Mercurial > hg > xemacs-beta
annotate src/alloc.c @ 5130:4f4672e2aa34 ben-lisp-object
merge
| author | Ben Wing <ben@xemacs.org> |
|---|---|
| date | Sun, 07 Mar 2010 06:20:19 -0600 |
| parents | a9c41067dd88 |
| children | f965e31a35f0 |
| rev | line source |
|---|---|
| 428 | 1 /* Storage allocation and gc for XEmacs Lisp interpreter. |
| 2 Copyright (C) 1985-1998 Free Software Foundation, Inc. | |
| 3 Copyright (C) 1995 Sun Microsystems, Inc. | |
|
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4 Copyright (C) 1995, 1996, 2001, 2002, 2003, 2004, 2005, 2010 Ben Wing. |
| 428 | 5 |
| 6 This file is part of XEmacs. | |
| 7 | |
| 8 XEmacs is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 10 Free Software Foundation; either version 2, or (at your option) any | |
| 11 later version. | |
| 12 | |
| 13 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 19 along with XEmacs; see the file COPYING. If not, write to | |
| 20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 21 Boston, MA 02111-1307, USA. */ | |
| 22 | |
| 23 /* Synched up with: FSF 19.28, Mule 2.0. Substantially different from | |
| 24 FSF. */ | |
| 25 | |
| 26 /* Authorship: | |
| 27 | |
| 28 FSF: Original version; a long time ago. | |
| 29 Mly: Significantly rewritten to use new 3-bit tags and | |
| 30 nicely abstracted object definitions, for 19.8. | |
| 31 JWZ: Improved code to keep track of purespace usage and | |
| 32 issue nice purespace and GC stats. | |
| 33 Ben Wing: Cleaned up frob-block lrecord code, added error-checking | |
| 34 and various changes for Mule, for 19.12. | |
| 35 Added bit vectors for 19.13. | |
| 36 Added lcrecord lists for 19.14. | |
| 37 slb: Lots of work on the purification and dump time code. | |
| 38 Synched Doug Lea malloc support from Emacs 20.2. | |
| 442 | 39 og: Killed the purespace. Portable dumper (moved to dumper.c) |
| 428 | 40 */ |
| 41 | |
| 42 #include <config.h> | |
| 43 #include "lisp.h" | |
| 44 | |
| 45 #include "backtrace.h" | |
| 46 #include "buffer.h" | |
| 47 #include "bytecode.h" | |
| 48 #include "chartab.h" | |
| 49 #include "device.h" | |
| 50 #include "elhash.h" | |
| 51 #include "events.h" | |
| 872 | 52 #include "extents-impl.h" |
| 1204 | 53 #include "file-coding.h" |
| 872 | 54 #include "frame-impl.h" |
| 3092 | 55 #include "gc.h" |
| 428 | 56 #include "glyphs.h" |
| 57 #include "opaque.h" | |
| 1204 | 58 #include "lstream.h" |
| 872 | 59 #include "process.h" |
| 1292 | 60 #include "profile.h" |
| 428 | 61 #include "redisplay.h" |
| 62 #include "specifier.h" | |
| 63 #include "sysfile.h" | |
| 442 | 64 #include "sysdep.h" |
| 428 | 65 #include "window.h" |
| 3092 | 66 #ifdef NEW_GC |
| 67 #include "vdb.h" | |
| 68 #endif /* NEW_GC */ | |
| 428 | 69 #include "console-stream.h" |
| 70 | |
| 71 #ifdef DOUG_LEA_MALLOC | |
| 72 #include <malloc.h> | |
| 73 #endif | |
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74 #ifdef USE_VALGRIND |
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75 #include <valgrind/memcheck.h> |
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76 #endif |
| 428 | 77 |
| 78 EXFUN (Fgarbage_collect, 0); | |
| 79 | |
| 80 #if 0 /* this is _way_ too slow to be part of the standard debug options */ | |
| 81 #if defined(DEBUG_XEMACS) && defined(MULE) | |
| 82 #define VERIFY_STRING_CHARS_INTEGRITY | |
| 83 #endif | |
| 84 #endif | |
| 85 | |
| 86 /* Define this to use malloc/free with no freelist for all datatypes, | |
| 87 the hope being that some debugging tools may help detect | |
| 88 freed memory references */ | |
| 89 #ifdef USE_DEBUG_MALLOC /* Taking the above comment at face value -slb */ | |
| 90 #include <dmalloc.h> | |
| 91 #define ALLOC_NO_POOLS | |
| 92 #endif | |
| 93 | |
| 94 #ifdef DEBUG_XEMACS | |
| 458 | 95 static Fixnum debug_allocation; |
| 96 static Fixnum debug_allocation_backtrace_length; | |
| 428 | 97 #endif |
| 98 | |
| 851 | 99 int need_to_check_c_alloca; |
| 887 | 100 int need_to_signal_post_gc; |
| 851 | 101 int funcall_allocation_flag; |
| 102 Bytecount __temp_alloca_size__; | |
| 103 Bytecount funcall_alloca_count; | |
| 814 | 104 |
| 105 /* Determine now whether we need to garbage collect or not, to make | |
| 106 Ffuncall() faster */ | |
| 107 #define INCREMENT_CONS_COUNTER_1(size) \ | |
| 108 do \ | |
| 109 { \ | |
| 110 consing_since_gc += (size); \ | |
| 1292 | 111 total_consing += (size); \ |
| 112 if (profiling_active) \ | |
| 113 profile_record_consing (size); \ | |
| 814 | 114 recompute_need_to_garbage_collect (); \ |
| 115 } while (0) | |
| 428 | 116 |
| 117 #define debug_allocation_backtrace() \ | |
| 118 do { \ | |
| 119 if (debug_allocation_backtrace_length > 0) \ | |
| 120 debug_short_backtrace (debug_allocation_backtrace_length); \ | |
| 121 } while (0) | |
| 122 | |
| 123 #ifdef DEBUG_XEMACS | |
| 801 | 124 #define INCREMENT_CONS_COUNTER(foosize, type) \ |
| 125 do { \ | |
| 126 if (debug_allocation) \ | |
| 127 { \ | |
| 128 stderr_out ("allocating %s (size %ld)\n", type, \ | |
| 129 (long) foosize); \ | |
| 130 debug_allocation_backtrace (); \ | |
| 131 } \ | |
| 132 INCREMENT_CONS_COUNTER_1 (foosize); \ | |
| 428 | 133 } while (0) |
| 134 #define NOSEEUM_INCREMENT_CONS_COUNTER(foosize, type) \ | |
| 135 do { \ | |
| 136 if (debug_allocation > 1) \ | |
| 137 { \ | |
| 801 | 138 stderr_out ("allocating noseeum %s (size %ld)\n", type, \ |
| 139 (long) foosize); \ | |
| 428 | 140 debug_allocation_backtrace (); \ |
| 141 } \ | |
| 142 INCREMENT_CONS_COUNTER_1 (foosize); \ | |
| 143 } while (0) | |
| 144 #else | |
| 145 #define INCREMENT_CONS_COUNTER(size, type) INCREMENT_CONS_COUNTER_1 (size) | |
| 146 #define NOSEEUM_INCREMENT_CONS_COUNTER(size, type) \ | |
| 147 INCREMENT_CONS_COUNTER_1 (size) | |
| 148 #endif | |
| 149 | |
| 3092 | 150 #ifdef NEW_GC |
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151 /* [[ The call to recompute_need_to_garbage_collect is moved to |
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152 free_normal_lisp_object, since DECREMENT_CONS_COUNTER is extensively called |
| 3092 | 153 during sweep and recomputing need_to_garbage_collect all the time |
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154 is not needed. ]] -- not accurate! */ |
| 3092 | 155 #define DECREMENT_CONS_COUNTER(size) do { \ |
| 156 consing_since_gc -= (size); \ | |
| 157 total_consing -= (size); \ | |
| 158 if (profiling_active) \ | |
| 159 profile_record_unconsing (size); \ | |
| 160 if (consing_since_gc < 0) \ | |
| 161 consing_since_gc = 0; \ | |
| 162 } while (0) | |
| 163 #else /* not NEW_GC */ | |
| 428 | 164 #define DECREMENT_CONS_COUNTER(size) do { \ |
| 165 consing_since_gc -= (size); \ | |
| 1292 | 166 total_consing -= (size); \ |
| 167 if (profiling_active) \ | |
| 168 profile_record_unconsing (size); \ | |
| 428 | 169 if (consing_since_gc < 0) \ |
| 170 consing_since_gc = 0; \ | |
| 814 | 171 recompute_need_to_garbage_collect (); \ |
| 428 | 172 } while (0) |
| 3092 | 173 #endif /*not NEW_GC */ |
| 428 | 174 |
| 175 /* This is just for use by the printer, to allow things to print uniquely */ | |
| 3063 | 176 int lrecord_uid_counter; |
| 428 | 177 |
| 178 /* Non-zero means we're in the process of doing the dump */ | |
| 179 int purify_flag; | |
| 180 | |
| 1204 | 181 /* Non-zero means we're pdumping out or in */ |
| 182 #ifdef PDUMP | |
| 183 int in_pdump; | |
| 184 #endif | |
| 185 | |
| 800 | 186 #ifdef ERROR_CHECK_TYPES |
| 428 | 187 |
| 793 | 188 Error_Behavior ERROR_ME, ERROR_ME_NOT, ERROR_ME_WARN, ERROR_ME_DEBUG_WARN; |
| 428 | 189 |
| 190 #endif | |
| 191 | |
| 801 | 192 /* Very cheesy ways of figuring out how much memory is being used for |
| 193 data. #### Need better (system-dependent) ways. */ | |
| 194 void *minimum_address_seen; | |
| 195 void *maximum_address_seen; | |
| 196 | |
| 3263 | 197 #ifndef NEW_GC |
| 428 | 198 int |
| 199 c_readonly (Lisp_Object obj) | |
| 200 { | |
| 201 return POINTER_TYPE_P (XTYPE (obj)) && C_READONLY (obj); | |
| 202 } | |
| 3263 | 203 #endif /* not NEW_GC */ |
| 428 | 204 |
| 205 int | |
| 206 lisp_readonly (Lisp_Object obj) | |
| 207 { | |
| 208 return POINTER_TYPE_P (XTYPE (obj)) && LISP_READONLY (obj); | |
| 209 } | |
| 210 | |
| 211 | |
| 212 /* Maximum amount of C stack to save when a GC happens. */ | |
| 213 | |
| 214 #ifndef MAX_SAVE_STACK | |
| 215 #define MAX_SAVE_STACK 0 /* 16000 */ | |
| 216 #endif | |
| 217 | |
| 218 /* Non-zero means ignore malloc warnings. Set during initialization. */ | |
| 219 int ignore_malloc_warnings; | |
| 220 | |
| 221 | |
| 3263 | 222 #ifndef NEW_GC |
| 3092 | 223 void *breathing_space; |
| 428 | 224 |
| 225 void | |
| 226 release_breathing_space (void) | |
| 227 { | |
| 228 if (breathing_space) | |
| 229 { | |
| 230 void *tmp = breathing_space; | |
| 231 breathing_space = 0; | |
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232 xfree (tmp); |
| 428 | 233 } |
| 234 } | |
| 3263 | 235 #endif /* not NEW_GC */ |
| 428 | 236 |
| 801 | 237 static void |
| 238 set_alloc_mins_and_maxes (void *val, Bytecount size) | |
| 239 { | |
| 240 if (!val) | |
| 241 return; | |
| 242 if ((char *) val + size > (char *) maximum_address_seen) | |
| 243 maximum_address_seen = (char *) val + size; | |
| 244 if (!minimum_address_seen) | |
| 245 minimum_address_seen = | |
| 246 #if SIZEOF_VOID_P == 8 | |
| 247 (void *) 0xFFFFFFFFFFFFFFFF; | |
| 248 #else | |
| 249 (void *) 0xFFFFFFFF; | |
| 250 #endif | |
| 251 if ((char *) val < (char *) minimum_address_seen) | |
| 252 minimum_address_seen = (char *) val; | |
| 253 } | |
| 254 | |
| 1315 | 255 #ifdef ERROR_CHECK_MALLOC |
| 3176 | 256 static int in_malloc; |
| 1333 | 257 extern int regex_malloc_disallowed; |
| 2367 | 258 |
| 259 #define MALLOC_BEGIN() \ | |
| 260 do \ | |
| 261 { \ | |
| 3176 | 262 assert (!in_malloc); \ |
| 2367 | 263 assert (!regex_malloc_disallowed); \ |
| 264 in_malloc = 1; \ | |
| 265 } \ | |
| 266 while (0) | |
| 267 | |
| 3263 | 268 #ifdef NEW_GC |
| 2720 | 269 #define FREE_OR_REALLOC_BEGIN(block) \ |
| 270 do \ | |
| 271 { \ | |
| 272 /* Unbelievably, calling free() on 0xDEADBEEF doesn't cause an \ | |
| 273 error until much later on for many system mallocs, such as \ | |
| 274 the one that comes with Solaris 2.3. FMH!! */ \ | |
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275 assert (block != (void *) DEADBEEF_CONSTANT); \ |
| 2720 | 276 MALLOC_BEGIN (); \ |
| 277 } \ | |
| 278 while (0) | |
| 3263 | 279 #else /* not NEW_GC */ |
| 2367 | 280 #define FREE_OR_REALLOC_BEGIN(block) \ |
| 281 do \ | |
| 282 { \ | |
| 283 /* Unbelievably, calling free() on 0xDEADBEEF doesn't cause an \ | |
| 284 error until much later on for many system mallocs, such as \ | |
| 285 the one that comes with Solaris 2.3. FMH!! */ \ | |
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286 assert (block != (void *) DEADBEEF_CONSTANT); \ |
| 2367 | 287 /* You cannot free something within dumped space, because there is \ |
| 288 no longer any sort of malloc structure associated with the block. \ | |
| 289 If you are tripping this, you may need to conditionalize on \ | |
| 290 DUMPEDP. */ \ | |
| 291 assert (!DUMPEDP (block)); \ | |
| 292 MALLOC_BEGIN (); \ | |
| 293 } \ | |
| 294 while (0) | |
| 3263 | 295 #endif /* not NEW_GC */ |
| 2367 | 296 |
| 297 #define MALLOC_END() \ | |
| 298 do \ | |
| 299 { \ | |
| 300 in_malloc = 0; \ | |
| 301 } \ | |
| 302 while (0) | |
| 303 | |
| 304 #else /* ERROR_CHECK_MALLOC */ | |
| 305 | |
| 2658 | 306 #define MALLOC_BEGIN() |
| 2367 | 307 #define FREE_OR_REALLOC_BEGIN(block) |
| 308 #define MALLOC_END() | |
| 309 | |
| 310 #endif /* ERROR_CHECK_MALLOC */ | |
| 311 | |
| 312 static void | |
| 313 malloc_after (void *val, Bytecount size) | |
| 314 { | |
| 315 if (!val && size != 0) | |
| 316 memory_full (); | |
| 317 set_alloc_mins_and_maxes (val, size); | |
| 318 } | |
| 319 | |
| 3305 | 320 /* malloc calls this if it finds we are near exhausting storage */ |
| 321 void | |
| 322 malloc_warning (const char *str) | |
| 323 { | |
| 324 if (ignore_malloc_warnings) | |
| 325 return; | |
| 326 | |
| 327 /* Remove the malloc lock here, because warn_when_safe may allocate | |
| 328 again. It is safe to remove the malloc lock here, because malloc | |
| 329 is already finished (malloc_warning is called via | |
| 330 after_morecore_hook -> check_memory_limits -> save_warn_fun -> | |
| 331 malloc_warning). */ | |
| 332 MALLOC_END (); | |
| 333 | |
| 334 warn_when_safe | |
| 335 (Qmemory, Qemergency, | |
| 336 "%s\n" | |
| 337 "Killing some buffers may delay running out of memory.\n" | |
| 338 "However, certainly by the time you receive the 95%% warning,\n" | |
| 339 "you should clean up, kill this Emacs, and start a new one.", | |
| 340 str); | |
| 341 } | |
| 342 | |
| 343 /* Called if malloc returns zero */ | |
| 344 DOESNT_RETURN | |
| 345 memory_full (void) | |
| 346 { | |
| 347 /* Force a GC next time eval is called. | |
| 348 It's better to loop garbage-collecting (we might reclaim enough | |
| 349 to win) than to loop beeping and barfing "Memory exhausted" | |
| 350 */ | |
| 351 consing_since_gc = gc_cons_threshold + 1; | |
| 352 recompute_need_to_garbage_collect (); | |
| 353 #ifdef NEW_GC | |
| 354 /* Put mc-alloc into memory shortage mode. This may keep XEmacs | |
| 355 alive until the garbage collector can free enough memory to get | |
| 356 us out of the memory exhaustion. If already in memory shortage | |
| 357 mode, we are in a loop and hopelessly lost. */ | |
| 358 if (memory_shortage) | |
| 359 { | |
| 360 fprintf (stderr, "Memory full, cannot recover.\n"); | |
| 361 ABORT (); | |
| 362 } | |
| 363 fprintf (stderr, | |
| 364 "Memory full, try to recover.\n" | |
| 365 "You should clean up, kill this Emacs, and start a new one.\n"); | |
| 366 memory_shortage++; | |
| 367 #else /* not NEW_GC */ | |
| 368 release_breathing_space (); | |
| 369 #endif /* not NEW_GC */ | |
| 370 | |
| 371 /* Flush some histories which might conceivably contain garbalogical | |
| 372 inhibitors. */ | |
| 373 if (!NILP (Fboundp (Qvalues))) | |
| 374 Fset (Qvalues, Qnil); | |
| 375 Vcommand_history = Qnil; | |
| 376 | |
| 377 out_of_memory ("Memory exhausted", Qunbound); | |
| 378 } | |
| 379 | |
| 2367 | 380 /* like malloc, calloc, realloc, free but: |
| 381 | |
| 382 -- check for no memory left | |
| 383 -- set internal mins and maxes | |
| 384 -- with error-checking on, check for reentrancy, invalid freeing, etc. | |
| 385 */ | |
| 1292 | 386 |
| 428 | 387 #undef xmalloc |
| 388 void * | |
| 665 | 389 xmalloc (Bytecount size) |
| 428 | 390 { |
| 1292 | 391 void *val; |
| 2367 | 392 MALLOC_BEGIN (); |
| 1292 | 393 val = malloc (size); |
| 2367 | 394 MALLOC_END (); |
| 395 malloc_after (val, size); | |
| 428 | 396 return val; |
| 397 } | |
| 398 | |
| 399 #undef xcalloc | |
| 400 static void * | |
| 665 | 401 xcalloc (Elemcount nelem, Bytecount elsize) |
| 428 | 402 { |
| 1292 | 403 void *val; |
| 2367 | 404 MALLOC_BEGIN (); |
| 1292 | 405 val= calloc (nelem, elsize); |
| 2367 | 406 MALLOC_END (); |
| 407 malloc_after (val, nelem * elsize); | |
| 428 | 408 return val; |
| 409 } | |
| 410 | |
| 411 void * | |
| 665 | 412 xmalloc_and_zero (Bytecount size) |
| 428 | 413 { |
| 414 return xcalloc (size, sizeof (char)); | |
| 415 } | |
| 416 | |
| 417 #undef xrealloc | |
| 418 void * | |
| 665 | 419 xrealloc (void *block, Bytecount size) |
| 428 | 420 { |
| 2367 | 421 FREE_OR_REALLOC_BEGIN (block); |
| 551 | 422 block = realloc (block, size); |
| 2367 | 423 MALLOC_END (); |
| 424 malloc_after (block, size); | |
| 551 | 425 return block; |
| 428 | 426 } |
| 427 | |
| 428 void | |
| 429 xfree_1 (void *block) | |
| 430 { | |
| 431 #ifdef ERROR_CHECK_MALLOC | |
| 432 assert (block); | |
| 433 #endif /* ERROR_CHECK_MALLOC */ | |
| 2367 | 434 FREE_OR_REALLOC_BEGIN (block); |
| 428 | 435 free (block); |
| 2367 | 436 MALLOC_END (); |
| 428 | 437 } |
| 438 | |
| 439 #ifdef ERROR_CHECK_GC | |
| 440 | |
| 3263 | 441 #ifndef NEW_GC |
| 428 | 442 static void |
| 665 | 443 deadbeef_memory (void *ptr, Bytecount size) |
| 428 | 444 { |
| 826 | 445 UINT_32_BIT *ptr4 = (UINT_32_BIT *) ptr; |
| 665 | 446 Bytecount beefs = size >> 2; |
| 428 | 447 |
| 448 /* In practice, size will always be a multiple of four. */ | |
| 449 while (beefs--) | |
| 1204 | 450 (*ptr4++) = 0xDEADBEEF; /* -559038737 base 10 */ |
| 428 | 451 } |
| 3263 | 452 #endif /* not NEW_GC */ |
| 428 | 453 |
| 454 #else /* !ERROR_CHECK_GC */ | |
| 455 | |
| 456 | |
| 457 #define deadbeef_memory(ptr, size) | |
| 458 | |
| 459 #endif /* !ERROR_CHECK_GC */ | |
| 460 | |
| 461 #undef xstrdup | |
| 462 char * | |
| 442 | 463 xstrdup (const char *str) |
| 428 | 464 { |
| 465 int len = strlen (str) + 1; /* for stupid terminating 0 */ | |
| 466 void *val = xmalloc (len); | |
| 771 | 467 |
| 428 | 468 if (val == 0) return 0; |
| 469 return (char *) memcpy (val, str, len); | |
| 470 } | |
| 471 | |
| 472 #ifdef NEED_STRDUP | |
| 473 char * | |
| 442 | 474 strdup (const char *s) |
| 428 | 475 { |
| 476 return xstrdup (s); | |
| 477 } | |
| 478 #endif /* NEED_STRDUP */ | |
| 479 | |
| 480 | |
| 3263 | 481 #ifndef NEW_GC |
| 428 | 482 static void * |
| 665 | 483 allocate_lisp_storage (Bytecount size) |
| 428 | 484 { |
| 793 | 485 void *val = xmalloc (size); |
| 486 /* We don't increment the cons counter anymore. Calling functions do | |
| 487 that now because we have two different kinds of cons counters -- one | |
| 488 for normal objects, and one for no-see-um conses (and possibly others | |
| 489 similar) where the conses are used totally internally, never escape, | |
| 490 and are created and then freed and shouldn't logically increment the | |
| 491 cons counting. #### (Or perhaps, we should decrement it when an object | |
| 492 get freed?) */ | |
| 493 | |
| 494 /* But we do now (as of 3-27-02) go and zero out the memory. This is a | |
| 495 good thing, as it will guarantee we won't get any intermittent bugs | |
| 1204 | 496 coming from an uninitiated field. The speed loss is unnoticeable, |
| 497 esp. as the objects are not large -- large stuff like buffer text and | |
| 498 redisplay structures are allocated separately. */ | |
| 793 | 499 memset (val, 0, size); |
| 851 | 500 |
| 501 if (need_to_check_c_alloca) | |
| 502 xemacs_c_alloca (0); | |
| 503 | |
| 793 | 504 return val; |
| 428 | 505 } |
| 3263 | 506 #endif /* not NEW_GC */ |
| 507 | |
| 508 #if defined (NEW_GC) && defined (ALLOC_TYPE_STATS) | |
| 2720 | 509 static struct |
| 510 { | |
| 511 int instances_in_use; | |
| 512 int bytes_in_use; | |
| 513 int bytes_in_use_including_overhead; | |
| 3461 | 514 } lrecord_stats [countof (lrecord_implementations_table)]; |
| 2720 | 515 |
| 516 void | |
| 517 init_lrecord_stats () | |
| 518 { | |
| 519 xzero (lrecord_stats); | |
| 520 } | |
| 521 | |
| 522 void | |
| 523 inc_lrecord_stats (Bytecount size, const struct lrecord_header *h) | |
| 524 { | |
| 525 int type_index = h->type; | |
| 526 if (!size) | |
| 527 size = detagged_lisp_object_size (h); | |
| 528 | |
| 529 lrecord_stats[type_index].instances_in_use++; | |
| 530 lrecord_stats[type_index].bytes_in_use += size; | |
| 531 lrecord_stats[type_index].bytes_in_use_including_overhead | |
| 532 #ifdef MEMORY_USAGE_STATS | |
| 533 += mc_alloced_storage_size (size, 0); | |
| 534 #else /* not MEMORY_USAGE_STATS */ | |
| 535 += size; | |
| 536 #endif /* not MEMORY_USAGE_STATS */ | |
| 537 } | |
| 538 | |
| 539 void | |
| 540 dec_lrecord_stats (Bytecount size_including_overhead, | |
| 541 const struct lrecord_header *h) | |
| 542 { | |
| 543 int type_index = h->type; | |
| 2775 | 544 int size = detagged_lisp_object_size (h); |
| 2720 | 545 |
| 546 lrecord_stats[type_index].instances_in_use--; | |
| 2775 | 547 lrecord_stats[type_index].bytes_in_use -= size; |
| 2720 | 548 lrecord_stats[type_index].bytes_in_use_including_overhead |
| 549 -= size_including_overhead; | |
| 550 | |
| 2775 | 551 DECREMENT_CONS_COUNTER (size); |
| 2720 | 552 } |
| 3092 | 553 |
| 554 int | |
| 555 lrecord_stats_heap_size (void) | |
| 556 { | |
| 557 int i; | |
| 558 int size = 0; | |
| 3461 | 559 for (i = 0; i < countof (lrecord_implementations_table); i++) |
| 3092 | 560 size += lrecord_stats[i].bytes_in_use; |
| 561 return size; | |
| 562 } | |
| 3263 | 563 #endif /* NEW_GC && ALLOC_TYPE_STATS */ |
| 564 | |
|
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565 #define assert_proper_sizing(size) \ |
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566 type_checking_assert \ |
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567 (implementation->static_size == 0 ? \ |
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568 implementation->size_in_bytes_method != NULL : \ |
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569 implementation->size_in_bytes_method == NULL && \ |
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570 implementation->static_size == size) |
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571 |
| 3263 | 572 #ifndef NEW_GC |
| 442 | 573 /* lcrecords are chained together through their "next" field. |
| 574 After doing the mark phase, GC will walk this linked list | |
| 575 and free any lcrecord which hasn't been marked. */ | |
| 3024 | 576 static struct old_lcrecord_header *all_lcrecords; |
| 3263 | 577 #endif /* not NEW_GC */ |
| 578 | |
| 579 #ifdef NEW_GC | |
| 2720 | 580 /* The basic lrecord allocation functions. See lrecord.h for details. */ |
|
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581 static Lisp_Object |
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582 alloc_sized_lrecord_1 (Bytecount size, |
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583 const struct lrecord_implementation *implementation, |
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584 int noseeum) |
| 2720 | 585 { |
| 586 struct lrecord_header *lheader; | |
| 587 | |
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588 assert_proper_sizing (size); |
| 2720 | 589 |
| 590 lheader = (struct lrecord_header *) mc_alloc (size); | |
| 591 gc_checking_assert (LRECORD_FREE_P (lheader)); | |
| 592 set_lheader_implementation (lheader, implementation); | |
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593 lheader->uid = lrecord_uid_counter++; |
| 2994 | 594 #ifdef ALLOC_TYPE_STATS |
| 2720 | 595 inc_lrecord_stats (size, lheader); |
| 2994 | 596 #endif /* ALLOC_TYPE_STATS */ |
| 3263 | 597 if (implementation->finalizer) |
| 598 add_finalizable_obj (wrap_pointer_1 (lheader)); | |
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599 if (noseeum) |
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600 NOSEEUM_INCREMENT_CONS_COUNTER (size, implementation->name); |
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601 else |
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602 INCREMENT_CONS_COUNTER (size, implementation->name); |
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603 return wrap_pointer_1 (lheader); |
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604 } |
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605 |
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606 Lisp_Object |
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607 alloc_sized_lrecord (Bytecount size, |
| 3092 | 608 const struct lrecord_implementation *implementation) |
| 609 { | |
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610 return alloc_sized_lrecord_1 (size, implementation, 0); |
| 2720 | 611 } |
| 612 | |
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613 Lisp_Object |
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614 noseeum_alloc_sized_lrecord (Bytecount size, |
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615 const struct lrecord_implementation * |
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616 implementation) |
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617 { |
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618 return alloc_sized_lrecord_1 (size, implementation, 1); |
| 2720 | 619 } |
| 620 | |
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621 Lisp_Object |
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622 alloc_lrecord (const struct lrecord_implementation *implementation) |
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623 { |
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624 type_checking_assert (implementation->static_size > 0); |
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625 return alloc_sized_lrecord (implementation->static_size, implementation); |
| 2720 | 626 } |
| 627 | |
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628 Lisp_Object |
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629 noseeum_alloc_lrecord (const struct lrecord_implementation *implementation) |
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630 { |
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631 type_checking_assert (implementation->static_size > 0); |
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632 return noseeum_alloc_sized_lrecord (implementation->static_size, implementation); |
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633 } |
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634 |
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635 Lisp_Object |
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636 alloc_sized_lrecord_array (Bytecount size, int elemcount, |
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637 const struct lrecord_implementation *implementation) |
| 3092 | 638 { |
| 639 struct lrecord_header *lheader; | |
| 640 Rawbyte *start, *stop; | |
| 641 | |
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642 assert_proper_sizing (size); |
| 3092 | 643 |
| 644 lheader = (struct lrecord_header *) mc_alloc_array (size, elemcount); | |
| 645 gc_checking_assert (LRECORD_FREE_P (lheader)); | |
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646 |
| 3092 | 647 for (start = (Rawbyte *) lheader, |
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648 /* #### FIXME: why is this -1 present? */ |
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649 stop = ((Rawbyte *) lheader) + (size * elemcount -1); |
| 3092 | 650 start < stop; start += size) |
| 651 { | |
| 652 struct lrecord_header *lh = (struct lrecord_header *) start; | |
| 653 set_lheader_implementation (lh, implementation); | |
| 654 lh->uid = lrecord_uid_counter++; | |
| 655 #ifdef ALLOC_TYPE_STATS | |
| 656 inc_lrecord_stats (size, lh); | |
| 657 #endif /* not ALLOC_TYPE_STATS */ | |
| 3263 | 658 if (implementation->finalizer) |
| 659 add_finalizable_obj (wrap_pointer_1 (lh)); | |
| 3092 | 660 } |
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661 |
| 3092 | 662 INCREMENT_CONS_COUNTER (size * elemcount, implementation->name); |
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663 return wrap_pointer_1 (lheader); |
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664 } |
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665 |
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666 Lisp_Object |
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667 alloc_lrecord_array (int elemcount, |
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668 const struct lrecord_implementation *implementation) |
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669 { |
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670 type_checking_assert (implementation->static_size > 0); |
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671 return alloc_sized_lrecord_array (implementation->static_size, elemcount, |
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672 implementation); |
| 3092 | 673 } |
| 674 | |
| 3263 | 675 #else /* not NEW_GC */ |
| 428 | 676 |
| 1204 | 677 /* The most basic of the lcrecord allocation functions. Not usually called |
| 678 directly. Allocates an lrecord not managed by any lcrecord-list, of a | |
| 679 specified size. See lrecord.h. */ | |
| 680 | |
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681 Lisp_Object |
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682 old_alloc_sized_lcrecord (Bytecount size, |
| 3024 | 683 const struct lrecord_implementation *implementation) |
| 684 { | |
| 685 struct old_lcrecord_header *lcheader; | |
| 428 | 686 |
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687 assert_proper_sizing (size); |
| 442 | 688 type_checking_assert |
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689 (!implementation->frob_block_p |
| 442 | 690 && |
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691 !(implementation->hash == NULL && implementation->equal != NULL)); |
| 428 | 692 |
| 3024 | 693 lcheader = (struct old_lcrecord_header *) allocate_lisp_storage (size); |
| 442 | 694 set_lheader_implementation (&lcheader->lheader, implementation); |
| 428 | 695 lcheader->next = all_lcrecords; |
| 696 #if 1 /* mly prefers to see small ID numbers */ | |
| 697 lcheader->uid = lrecord_uid_counter++; | |
| 698 #else /* jwz prefers to see real addrs */ | |
| 699 lcheader->uid = (int) &lcheader; | |
| 700 #endif | |
| 701 lcheader->free = 0; | |
| 702 all_lcrecords = lcheader; | |
| 703 INCREMENT_CONS_COUNTER (size, implementation->name); | |
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704 return wrap_pointer_1 (lcheader); |
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705 } |
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706 |
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707 Lisp_Object |
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708 old_alloc_lcrecord (const struct lrecord_implementation *implementation) |
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709 { |
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710 type_checking_assert (implementation->static_size > 0); |
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711 return old_alloc_sized_lcrecord (implementation->static_size, |
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712 implementation); |
| 428 | 713 } |
| 714 | |
| 715 #if 0 /* Presently unused */ | |
| 716 /* Very, very poor man's EGC? | |
| 717 * This may be slow and thrash pages all over the place. | |
| 718 * Only call it if you really feel you must (and if the | |
| 719 * lrecord was fairly recently allocated). | |
| 720 * Otherwise, just let the GC do its job -- that's what it's there for | |
| 721 */ | |
| 722 void | |
| 3024 | 723 very_old_free_lcrecord (struct old_lcrecord_header *lcrecord) |
| 428 | 724 { |
| 725 if (all_lcrecords == lcrecord) | |
| 726 { | |
| 727 all_lcrecords = lcrecord->next; | |
| 728 } | |
| 729 else | |
| 730 { | |
| 3024 | 731 struct old_lcrecord_header *header = all_lcrecords; |
| 428 | 732 for (;;) |
| 733 { | |
| 3024 | 734 struct old_lcrecord_header *next = header->next; |
| 428 | 735 if (next == lcrecord) |
| 736 { | |
| 737 header->next = lrecord->next; | |
| 738 break; | |
| 739 } | |
| 740 else if (next == 0) | |
| 2500 | 741 ABORT (); |
| 428 | 742 else |
| 743 header = next; | |
| 744 } | |
| 745 } | |
| 746 if (lrecord->implementation->finalizer) | |
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747 lrecord->implementation->finalizer (wrap_pointer_1 (lrecord)); |
| 428 | 748 xfree (lrecord); |
| 749 return; | |
| 750 } | |
| 751 #endif /* Unused */ | |
| 3263 | 752 #endif /* not NEW_GC */ |
| 428 | 753 |
| 754 | |
| 755 static void | |
| 756 disksave_object_finalization_1 (void) | |
| 757 { | |
| 3263 | 758 #ifdef NEW_GC |
| 2720 | 759 mc_finalize_for_disksave (); |
| 3263 | 760 #else /* not NEW_GC */ |
| 3024 | 761 struct old_lcrecord_header *header; |
| 428 | 762 |
| 763 for (header = all_lcrecords; header; header = header->next) | |
| 764 { | |
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765 struct lrecord_header *objh = &header->lheader; |
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766 const struct lrecord_implementation *imp = LHEADER_IMPLEMENTATION (objh); |
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767 #if 0 /* possibly useful for debugging */ |
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768 if (!RECORD_DUMPABLE (objh) && !header->free) |
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769 { |
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770 stderr_out ("Disksaving a non-dumpable object: "); |
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771 debug_print (wrap_pointer_1 (header)); |
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772 } |
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773 #endif |
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774 if (imp->disksaver && !header->free) |
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775 (imp->disksaver) (wrap_pointer_1 (header)); |
| 428 | 776 } |
| 3263 | 777 #endif /* not NEW_GC */ |
| 428 | 778 } |
| 779 | |
| 1204 | 780 /* Bitwise copy all parts of a Lisp object other than the header */ |
| 781 | |
| 782 void | |
| 783 copy_lisp_object (Lisp_Object dst, Lisp_Object src) | |
| 784 { | |
| 785 const struct lrecord_implementation *imp = | |
| 786 XRECORD_LHEADER_IMPLEMENTATION (src); | |
| 787 Bytecount size = lisp_object_size (src); | |
| 788 | |
| 789 assert (imp == XRECORD_LHEADER_IMPLEMENTATION (dst)); | |
| 790 assert (size == lisp_object_size (dst)); | |
| 791 | |
| 3263 | 792 #ifdef NEW_GC |
| 2720 | 793 memcpy ((char *) XRECORD_LHEADER (dst) + sizeof (struct lrecord_header), |
| 794 (char *) XRECORD_LHEADER (src) + sizeof (struct lrecord_header), | |
| 795 size - sizeof (struct lrecord_header)); | |
| 3263 | 796 #else /* not NEW_GC */ |
|
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797 if (imp->frob_block_p) |
| 1204 | 798 memcpy ((char *) XRECORD_LHEADER (dst) + sizeof (struct lrecord_header), |
| 799 (char *) XRECORD_LHEADER (src) + sizeof (struct lrecord_header), | |
| 800 size - sizeof (struct lrecord_header)); | |
| 801 else | |
| 3024 | 802 memcpy ((char *) XRECORD_LHEADER (dst) + |
| 803 sizeof (struct old_lcrecord_header), | |
| 804 (char *) XRECORD_LHEADER (src) + | |
| 805 sizeof (struct old_lcrecord_header), | |
| 806 size - sizeof (struct old_lcrecord_header)); | |
| 3263 | 807 #endif /* not NEW_GC */ |
| 1204 | 808 } |
| 809 | |
|
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810 /* Zero out all parts of a Lisp object other than the header, for a |
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811 variable-sized object. The size needs to be given explicitly because |
|
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812 at the time this is called, the contents of the object may not be |
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813 defined, or may not be set up in such a way that we can reliably |
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814 retrieve the size, since it may depend on settings inside of the object. */ |
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815 |
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816 void |
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817 zero_sized_lisp_object (Lisp_Object obj, Bytecount size) |
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818 { |
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819 #ifndef NEW_GC |
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820 const struct lrecord_implementation *imp = |
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821 XRECORD_LHEADER_IMPLEMENTATION (obj); |
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822 #endif /* not NEW_GC */ |
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823 |
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824 #ifdef NEW_GC |
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825 memset ((char *) XRECORD_LHEADER (obj) + sizeof (struct lrecord_header), 0, |
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826 size - sizeof (struct lrecord_header)); |
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827 #else /* not NEW_GC */ |
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828 if (imp->frob_block_p) |
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829 memset ((char *) XRECORD_LHEADER (obj) + sizeof (struct lrecord_header), 0, |
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830 size - sizeof (struct lrecord_header)); |
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831 else |
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832 memset ((char *) XRECORD_LHEADER (obj) + |
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833 sizeof (struct old_lcrecord_header), 0, |
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834 size - sizeof (struct old_lcrecord_header)); |
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835 #endif /* not NEW_GC */ |
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836 } |
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837 |
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838 /* Zero out all parts of a Lisp object other than the header, for an object |
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839 that isn't variable-size. Objects that are variable-size need to use |
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840 zero_sized_lisp_object(). |
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841 */ |
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842 |
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843 void |
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844 zero_nonsized_lisp_object (Lisp_Object obj) |
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845 { |
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846 const struct lrecord_implementation *imp = |
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847 XRECORD_LHEADER_IMPLEMENTATION (obj); |
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848 assert (!imp->size_in_bytes_method); |
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849 |
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850 zero_sized_lisp_object (obj, lisp_object_size (obj)); |
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851 } |
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852 |
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853 #ifdef MEMORY_USAGE_STATS |
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854 |
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855 Bytecount |
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856 lisp_object_storage_size (Lisp_Object obj, struct overhead_stats *ovstats) |
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857 { |
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858 #ifndef NEW_GC |
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859 const struct lrecord_implementation *imp = |
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860 XRECORD_LHEADER_IMPLEMENTATION (obj); |
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861 #endif /* not NEW_GC */ |
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862 Bytecount size = lisp_object_size (obj); |
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863 |
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864 #ifdef NEW_GC |
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865 return mc_alloced_storage_size (size, ovstats); |
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866 #else |
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867 if (imp->frob_block_p) |
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868 { |
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869 Bytecount overhead = fixed_type_block_overhead (size); |
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870 if (ovstats) |
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871 { |
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872 ovstats->was_requested += size; |
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873 ovstats->malloc_overhead += overhead; |
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874 } |
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875 return size + overhead; |
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876 } |
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877 else |
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878 return malloced_storage_size (XPNTR (obj), size, ovstats); |
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879 #endif |
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880 } |
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881 |
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882 #endif /* MEMORY_USAGE_STATS */ |
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883 |
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884 void |
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885 free_normal_lisp_object (Lisp_Object obj) |
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886 { |
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887 #ifndef NEW_GC |
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888 const struct lrecord_implementation *imp = |
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889 XRECORD_LHEADER_IMPLEMENTATION (obj); |
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890 #endif /* not NEW_GC */ |
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891 |
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892 #ifdef NEW_GC |
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893 /* Manual frees are not allowed with asynchronous finalization */ |
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894 return; |
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895 #else |
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896 assert (!imp->frob_block_p); |
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897 assert (!imp->size_in_bytes_method); |
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898 old_free_lcrecord (obj); |
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899 #endif |
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900 } |
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901 |
| 428 | 902 |
| 903 /************************************************************************/ | |
| 904 /* Debugger support */ | |
| 905 /************************************************************************/ | |
| 906 /* Give gdb/dbx enough information to decode Lisp Objects. We make | |
| 907 sure certain symbols are always defined, so gdb doesn't complain | |
| 438 | 908 about expressions in src/.gdbinit. See src/.gdbinit or src/.dbxrc |
| 909 to see how this is used. */ | |
| 428 | 910 |
| 458 | 911 EMACS_UINT dbg_valmask = ((1UL << VALBITS) - 1) << GCBITS; |
| 912 EMACS_UINT dbg_typemask = (1UL << GCTYPEBITS) - 1; | |
| 428 | 913 |
| 914 #ifdef USE_UNION_TYPE | |
| 458 | 915 unsigned char dbg_USE_UNION_TYPE = 1; |
| 428 | 916 #else |
| 458 | 917 unsigned char dbg_USE_UNION_TYPE = 0; |
| 428 | 918 #endif |
| 919 | |
| 458 | 920 unsigned char dbg_valbits = VALBITS; |
| 921 unsigned char dbg_gctypebits = GCTYPEBITS; | |
| 922 | |
| 923 /* On some systems, the above definitions will be optimized away by | |
| 924 the compiler or linker unless they are referenced in some function. */ | |
| 925 long dbg_inhibit_dbg_symbol_deletion (void); | |
| 926 long | |
| 927 dbg_inhibit_dbg_symbol_deletion (void) | |
| 928 { | |
| 929 return | |
| 930 (dbg_valmask + | |
| 931 dbg_typemask + | |
| 932 dbg_USE_UNION_TYPE + | |
| 933 dbg_valbits + | |
| 934 dbg_gctypebits); | |
| 935 } | |
| 428 | 936 |
| 937 /* Macros turned into functions for ease of debugging. | |
| 938 Debuggers don't know about macros! */ | |
| 939 int dbg_eq (Lisp_Object obj1, Lisp_Object obj2); | |
| 940 int | |
| 941 dbg_eq (Lisp_Object obj1, Lisp_Object obj2) | |
| 942 { | |
| 943 return EQ (obj1, obj2); | |
| 944 } | |
| 945 | |
| 946 | |
| 3263 | 947 #ifdef NEW_GC |
| 3017 | 948 #define DECLARE_FIXED_TYPE_ALLOC(type, structture) struct __foo__ |
| 949 #else | |
| 428 | 950 /************************************************************************/ |
| 951 /* Fixed-size type macros */ | |
| 952 /************************************************************************/ | |
| 953 | |
| 954 /* For fixed-size types that are commonly used, we malloc() large blocks | |
| 955 of memory at a time and subdivide them into chunks of the correct | |
| 956 size for an object of that type. This is more efficient than | |
| 957 malloc()ing each object separately because we save on malloc() time | |
| 958 and overhead due to the fewer number of malloc()ed blocks, and | |
| 959 also because we don't need any extra pointers within each object | |
| 960 to keep them threaded together for GC purposes. For less common | |
| 961 (and frequently large-size) types, we use lcrecords, which are | |
| 962 malloc()ed individually and chained together through a pointer | |
| 963 in the lcrecord header. lcrecords do not need to be fixed-size | |
| 964 (i.e. two objects of the same type need not have the same size; | |
| 965 however, the size of a particular object cannot vary dynamically). | |
| 966 It is also much easier to create a new lcrecord type because no | |
| 967 additional code needs to be added to alloc.c. Finally, lcrecords | |
| 968 may be more efficient when there are only a small number of them. | |
| 969 | |
| 970 The types that are stored in these large blocks (or "frob blocks") | |
| 1983 | 971 are cons, all number types except fixnum, compiled-function, symbol, |
| 972 marker, extent, event, and string. | |
| 428 | 973 |
| 974 Note that strings are special in that they are actually stored in | |
| 975 two parts: a structure containing information about the string, and | |
| 976 the actual data associated with the string. The former structure | |
| 977 (a struct Lisp_String) is a fixed-size structure and is managed the | |
| 978 same way as all the other such types. This structure contains a | |
| 979 pointer to the actual string data, which is stored in structures of | |
| 980 type struct string_chars_block. Each string_chars_block consists | |
| 981 of a pointer to a struct Lisp_String, followed by the data for that | |
| 440 | 982 string, followed by another pointer to a Lisp_String, followed by |
| 983 the data for that string, etc. At GC time, the data in these | |
| 984 blocks is compacted by searching sequentially through all the | |
| 428 | 985 blocks and compressing out any holes created by unmarked strings. |
| 986 Strings that are more than a certain size (bigger than the size of | |
| 987 a string_chars_block, although something like half as big might | |
| 988 make more sense) are malloc()ed separately and not stored in | |
| 989 string_chars_blocks. Furthermore, no one string stretches across | |
| 990 two string_chars_blocks. | |
| 991 | |
| 1204 | 992 Vectors are each malloc()ed separately as lcrecords. |
| 428 | 993 |
| 994 In the following discussion, we use conses, but it applies equally | |
| 995 well to the other fixed-size types. | |
| 996 | |
| 997 We store cons cells inside of cons_blocks, allocating a new | |
| 998 cons_block with malloc() whenever necessary. Cons cells reclaimed | |
| 999 by GC are put on a free list to be reallocated before allocating | |
| 1000 any new cons cells from the latest cons_block. Each cons_block is | |
| 1001 just under 2^n - MALLOC_OVERHEAD bytes long, since malloc (at least | |
| 1002 the versions in malloc.c and gmalloc.c) really allocates in units | |
| 1003 of powers of two and uses 4 bytes for its own overhead. | |
| 1004 | |
| 1005 What GC actually does is to search through all the cons_blocks, | |
| 1006 from the most recently allocated to the oldest, and put all | |
| 1007 cons cells that are not marked (whether or not they're already | |
| 1008 free) on a cons_free_list. The cons_free_list is a stack, and | |
| 1009 so the cons cells in the oldest-allocated cons_block end up | |
| 1010 at the head of the stack and are the first to be reallocated. | |
| 1011 If any cons_block is entirely free, it is freed with free() | |
| 1012 and its cons cells removed from the cons_free_list. Because | |
| 1013 the cons_free_list ends up basically in memory order, we have | |
| 1014 a high locality of reference (assuming a reasonable turnover | |
| 1015 of allocating and freeing) and have a reasonable probability | |
| 1016 of entirely freeing up cons_blocks that have been more recently | |
| 1017 allocated. This stage is called the "sweep stage" of GC, and | |
| 1018 is executed after the "mark stage", which involves starting | |
| 1019 from all places that are known to point to in-use Lisp objects | |
| 1020 (e.g. the obarray, where are all symbols are stored; the | |
| 1021 current catches and condition-cases; the backtrace list of | |
| 1022 currently executing functions; the gcpro list; etc.) and | |
| 1023 recursively marking all objects that are accessible. | |
| 1024 | |
| 454 | 1025 At the beginning of the sweep stage, the conses in the cons blocks |
| 1026 are in one of three states: in use and marked, in use but not | |
| 1027 marked, and not in use (already freed). Any conses that are marked | |
| 1028 have been marked in the mark stage just executed, because as part | |
| 1029 of the sweep stage we unmark any marked objects. The way we tell | |
| 1030 whether or not a cons cell is in use is through the LRECORD_FREE_P | |
| 1031 macro. This uses a special lrecord type `lrecord_type_free', | |
| 1032 which is never associated with any valid object. | |
| 1033 | |
| 1034 Conses on the free_cons_list are threaded through a pointer stored | |
| 1035 in the conses themselves. Because the cons is still in a | |
| 1036 cons_block and needs to remain marked as not in use for the next | |
| 1037 time that GC happens, we need room to store both the "free" | |
| 1038 indicator and the chaining pointer. So this pointer is stored | |
| 1039 after the lrecord header (actually where C places a pointer after | |
| 1040 the lrecord header; they are not necessarily contiguous). This | |
| 1041 implies that all fixed-size types must be big enough to contain at | |
| 1042 least one pointer. This is true for all current fixed-size types, | |
| 1043 with the possible exception of Lisp_Floats, for which we define the | |
| 1044 meat of the struct using a union of a pointer and a double to | |
| 1045 ensure adequate space for the free list chain pointer. | |
| 428 | 1046 |
| 1047 Some types of objects need additional "finalization" done | |
| 1048 when an object is converted from in use to not in use; | |
| 1049 this is the purpose of the ADDITIONAL_FREE_type macro. | |
| 1050 For example, markers need to be removed from the chain | |
| 1051 of markers that is kept in each buffer. This is because | |
| 1052 markers in a buffer automatically disappear if the marker | |
| 1053 is no longer referenced anywhere (the same does not | |
| 1054 apply to extents, however). | |
| 1055 | |
| 1056 WARNING: Things are in an extremely bizarre state when | |
| 1057 the ADDITIONAL_FREE_type macros are called, so beware! | |
| 1058 | |
| 454 | 1059 When ERROR_CHECK_GC is defined, we do things differently so as to |
| 1060 maximize our chances of catching places where there is insufficient | |
| 1061 GCPROing. The thing we want to avoid is having an object that | |
| 1062 we're using but didn't GCPRO get freed by GC and then reallocated | |
| 1063 while we're in the process of using it -- this will result in | |
| 1064 something seemingly unrelated getting trashed, and is extremely | |
| 1065 difficult to track down. If the object gets freed but not | |
| 1066 reallocated, we can usually catch this because we set most of the | |
| 1067 bytes of a freed object to 0xDEADBEEF. (The lisp object type is set | |
| 1068 to the invalid type `lrecord_type_free', however, and a pointer | |
| 1069 used to chain freed objects together is stored after the lrecord | |
| 1070 header; we play some tricks with this pointer to make it more | |
| 428 | 1071 bogus, so crashes are more likely to occur right away.) |
| 1072 | |
| 1073 We want freed objects to stay free as long as possible, | |
| 1074 so instead of doing what we do above, we maintain the | |
| 1075 free objects in a first-in first-out queue. We also | |
| 1076 don't recompute the free list each GC, unlike above; | |
| 1077 this ensures that the queue ordering is preserved. | |
| 1078 [This means that we are likely to have worse locality | |
| 1079 of reference, and that we can never free a frob block | |
| 1080 once it's allocated. (Even if we know that all cells | |
| 1081 in it are free, there's no easy way to remove all those | |
| 1082 cells from the free list because the objects on the | |
| 1083 free list are unlikely to be in memory order.)] | |
| 1084 Furthermore, we never take objects off the free list | |
| 1085 unless there's a large number (usually 1000, but | |
| 1086 varies depending on type) of them already on the list. | |
| 1087 This way, we ensure that an object that gets freed will | |
| 1088 remain free for the next 1000 (or whatever) times that | |
| 440 | 1089 an object of that type is allocated. */ |
| 428 | 1090 |
| 1091 #if !defined(HAVE_MMAP) || defined(DOUG_LEA_MALLOC) | |
| 1092 /* If we released our reserve (due to running out of memory), | |
| 1093 and we have a fair amount free once again, | |
| 1094 try to set aside another reserve in case we run out once more. | |
| 1095 | |
| 1096 This is called when a relocatable block is freed in ralloc.c. */ | |
| 1097 void refill_memory_reserve (void); | |
| 1098 void | |
| 442 | 1099 refill_memory_reserve (void) |
| 428 | 1100 { |
| 1101 if (breathing_space == 0) | |
| 1102 breathing_space = (char *) malloc (4096 - MALLOC_OVERHEAD); | |
| 1103 } | |
| 1104 #endif | |
| 1105 | |
| 1106 #ifdef ALLOC_NO_POOLS | |
| 1107 # define TYPE_ALLOC_SIZE(type, structtype) 1 | |
| 1108 #else | |
| 1109 # define TYPE_ALLOC_SIZE(type, structtype) \ | |
| 1110 ((2048 - MALLOC_OVERHEAD - sizeof (struct type##_block *)) \ | |
| 1111 / sizeof (structtype)) | |
| 1112 #endif /* ALLOC_NO_POOLS */ | |
| 1113 | |
| 1114 #define DECLARE_FIXED_TYPE_ALLOC(type, structtype) \ | |
| 1115 \ | |
| 1116 struct type##_block \ | |
| 1117 { \ | |
| 1118 struct type##_block *prev; \ | |
| 1119 structtype block[TYPE_ALLOC_SIZE (type, structtype)]; \ | |
| 1120 }; \ | |
| 1121 \ | |
| 1122 static struct type##_block *current_##type##_block; \ | |
| 1123 static int current_##type##_block_index; \ | |
| 1124 \ | |
| 454 | 1125 static Lisp_Free *type##_free_list; \ |
| 1126 static Lisp_Free *type##_free_list_tail; \ | |
| 428 | 1127 \ |
| 1128 static void \ | |
| 1129 init_##type##_alloc (void) \ | |
| 1130 { \ | |
| 1131 current_##type##_block = 0; \ | |
| 1132 current_##type##_block_index = \ | |
| 1133 countof (current_##type##_block->block); \ | |
| 1134 type##_free_list = 0; \ | |
| 1135 type##_free_list_tail = 0; \ | |
| 1136 } \ | |
| 1137 \ | |
| 1138 static int gc_count_num_##type##_in_use; \ | |
| 1139 static int gc_count_num_##type##_freelist | |
| 1140 | |
| 1141 #define ALLOCATE_FIXED_TYPE_FROM_BLOCK(type, result) do { \ | |
| 1142 if (current_##type##_block_index \ | |
| 1143 == countof (current_##type##_block->block)) \ | |
| 1144 { \ | |
| 1145 struct type##_block *AFTFB_new = (struct type##_block *) \ | |
| 1146 allocate_lisp_storage (sizeof (struct type##_block)); \ | |
| 1147 AFTFB_new->prev = current_##type##_block; \ | |
| 1148 current_##type##_block = AFTFB_new; \ | |
| 1149 current_##type##_block_index = 0; \ | |
| 1150 } \ | |
| 1151 (result) = \ | |
| 1152 &(current_##type##_block->block[current_##type##_block_index++]); \ | |
| 1153 } while (0) | |
| 1154 | |
| 1155 /* Allocate an instance of a type that is stored in blocks. | |
| 1156 TYPE is the "name" of the type, STRUCTTYPE is the corresponding | |
| 1157 structure type. */ | |
| 1158 | |
| 1159 #ifdef ERROR_CHECK_GC | |
| 1160 | |
| 1161 /* Note: if you get crashes in this function, suspect incorrect calls | |
| 1162 to free_cons() and friends. This happened once because the cons | |
| 1163 cell was not GC-protected and was getting collected before | |
| 1164 free_cons() was called. */ | |
| 1165 | |
| 454 | 1166 #define ALLOCATE_FIXED_TYPE_1(type, structtype, result) do { \ |
| 1167 if (gc_count_num_##type##_freelist > \ | |
| 1168 MINIMUM_ALLOWED_FIXED_TYPE_CELLS_##type) \ | |
| 1169 { \ | |
| 1170 result = (structtype *) type##_free_list; \ | |
| 1204 | 1171 assert (LRECORD_FREE_P (result)); \ |
| 1172 /* Before actually using the chain pointer, we complement \ | |
| 1173 all its bits; see PUT_FIXED_TYPE_ON_FREE_LIST(). */ \ | |
| 454 | 1174 type##_free_list = (Lisp_Free *) \ |
| 1175 (~ (EMACS_UINT) (type##_free_list->chain)); \ | |
| 1176 gc_count_num_##type##_freelist--; \ | |
| 1177 } \ | |
| 1178 else \ | |
| 1179 ALLOCATE_FIXED_TYPE_FROM_BLOCK (type, result); \ | |
| 1180 MARK_LRECORD_AS_NOT_FREE (result); \ | |
| 428 | 1181 } while (0) |
| 1182 | |
| 1183 #else /* !ERROR_CHECK_GC */ | |
| 1184 | |
| 454 | 1185 #define ALLOCATE_FIXED_TYPE_1(type, structtype, result) do { \ |
| 428 | 1186 if (type##_free_list) \ |
| 1187 { \ | |
| 454 | 1188 result = (structtype *) type##_free_list; \ |
| 1189 type##_free_list = type##_free_list->chain; \ | |
| 428 | 1190 } \ |
| 1191 else \ | |
| 1192 ALLOCATE_FIXED_TYPE_FROM_BLOCK (type, result); \ | |
| 454 | 1193 MARK_LRECORD_AS_NOT_FREE (result); \ |
| 428 | 1194 } while (0) |
| 1195 | |
| 1196 #endif /* !ERROR_CHECK_GC */ | |
| 1197 | |
| 454 | 1198 |
| 428 | 1199 #define ALLOCATE_FIXED_TYPE(type, structtype, result) \ |
| 1200 do \ | |
| 1201 { \ | |
| 1202 ALLOCATE_FIXED_TYPE_1 (type, structtype, result); \ | |
| 1203 INCREMENT_CONS_COUNTER (sizeof (structtype), #type); \ | |
| 1204 } while (0) | |
| 1205 | |
| 1206 #define NOSEEUM_ALLOCATE_FIXED_TYPE(type, structtype, result) \ | |
| 1207 do \ | |
| 1208 { \ | |
| 1209 ALLOCATE_FIXED_TYPE_1 (type, structtype, result); \ | |
| 1210 NOSEEUM_INCREMENT_CONS_COUNTER (sizeof (structtype), #type); \ | |
| 1211 } while (0) | |
| 1212 | |
| 454 | 1213 /* Lisp_Free is the type to represent a free list member inside a frob |
| 1214 block of any lisp object type. */ | |
| 1215 typedef struct Lisp_Free | |
| 1216 { | |
| 1217 struct lrecord_header lheader; | |
| 1218 struct Lisp_Free *chain; | |
| 1219 } Lisp_Free; | |
| 1220 | |
| 1221 #define LRECORD_FREE_P(ptr) \ | |
| 771 | 1222 (((struct lrecord_header *) ptr)->type == lrecord_type_free) |
| 454 | 1223 |
| 1224 #define MARK_LRECORD_AS_FREE(ptr) \ | |
| 771 | 1225 ((void) (((struct lrecord_header *) ptr)->type = lrecord_type_free)) |
| 454 | 1226 |
| 1227 #ifdef ERROR_CHECK_GC | |
| 1228 #define MARK_LRECORD_AS_NOT_FREE(ptr) \ | |
| 771 | 1229 ((void) (((struct lrecord_header *) ptr)->type = lrecord_type_undefined)) |
| 428 | 1230 #else |
| 454 | 1231 #define MARK_LRECORD_AS_NOT_FREE(ptr) DO_NOTHING |
| 428 | 1232 #endif |
| 1233 | |
| 1234 #ifdef ERROR_CHECK_GC | |
| 1235 | |
| 454 | 1236 #define PUT_FIXED_TYPE_ON_FREE_LIST(type, structtype, ptr) do { \ |
| 1237 if (type##_free_list_tail) \ | |
| 1238 { \ | |
| 1239 /* When we store the chain pointer, we complement all \ | |
| 1240 its bits; this should significantly increase its \ | |
| 1241 bogosity in case someone tries to use the value, and \ | |
| 1242 should make us crash faster if someone overwrites the \ | |
| 1243 pointer because when it gets un-complemented in \ | |
| 1244 ALLOCATED_FIXED_TYPE(), the resulting pointer will be \ | |
| 1245 extremely bogus. */ \ | |
| 1246 type##_free_list_tail->chain = \ | |
| 1247 (Lisp_Free *) ~ (EMACS_UINT) (ptr); \ | |
| 1248 } \ | |
| 1249 else \ | |
| 1250 type##_free_list = (Lisp_Free *) (ptr); \ | |
| 1251 type##_free_list_tail = (Lisp_Free *) (ptr); \ | |
| 1252 } while (0) | |
| 428 | 1253 |
| 1254 #else /* !ERROR_CHECK_GC */ | |
| 1255 | |
| 454 | 1256 #define PUT_FIXED_TYPE_ON_FREE_LIST(type, structtype, ptr) do { \ |
| 1257 ((Lisp_Free *) (ptr))->chain = type##_free_list; \ | |
| 1258 type##_free_list = (Lisp_Free *) (ptr); \ | |
| 1259 } while (0) \ | |
| 428 | 1260 |
| 1261 #endif /* !ERROR_CHECK_GC */ | |
| 1262 | |
| 1263 /* TYPE and STRUCTTYPE are the same as in ALLOCATE_FIXED_TYPE(). */ | |
| 1264 | |
| 1265 #define FREE_FIXED_TYPE(type, structtype, ptr) do { \ | |
| 1266 structtype *FFT_ptr = (ptr); \ | |
| 1204 | 1267 gc_checking_assert (!LRECORD_FREE_P (FFT_ptr)); \ |
| 2367 | 1268 gc_checking_assert (!DUMPEDP (FFT_ptr)); \ |
| 428 | 1269 ADDITIONAL_FREE_##type (FFT_ptr); \ |
| 1270 deadbeef_memory (FFT_ptr, sizeof (structtype)); \ | |
| 1271 PUT_FIXED_TYPE_ON_FREE_LIST (type, structtype, FFT_ptr); \ | |
| 454 | 1272 MARK_LRECORD_AS_FREE (FFT_ptr); \ |
| 428 | 1273 } while (0) |
|
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1274 #endif /* NEW_GC */ |
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1275 |
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1276 #ifdef NEW_GC |
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1277 #define FREE_FIXED_TYPE_WHEN_NOT_IN_GC(lo, type, structtype, ptr) \ |
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1278 free_normal_lisp_object (lo) |
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1279 #else /* not NEW_GC */ |
| 428 | 1280 /* Like FREE_FIXED_TYPE() but used when we are explicitly |
| 1281 freeing a structure through free_cons(), free_marker(), etc. | |
| 1282 rather than through the normal process of sweeping. | |
| 1283 We attempt to undo the changes made to the allocation counters | |
| 1284 as a result of this structure being allocated. This is not | |
| 1285 completely necessary but helps keep things saner: e.g. this way, | |
| 1286 repeatedly allocating and freeing a cons will not result in | |
| 1287 the consing-since-gc counter advancing, which would cause a GC | |
| 1204 | 1288 and somewhat defeat the purpose of explicitly freeing. |
| 1289 | |
| 1290 We also disable this mechanism entirely when ALLOC_NO_POOLS is | |
| 1291 set, which is used for Purify and the like. */ | |
| 1292 | |
| 1293 #ifndef ALLOC_NO_POOLS | |
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1294 #define FREE_FIXED_TYPE_WHEN_NOT_IN_GC(lo, type, structtype, ptr) \ |
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1295 do { FREE_FIXED_TYPE (type, structtype, ptr); \ |
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1296 DECREMENT_CONS_COUNTER (sizeof (structtype)); \ |
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1297 gc_count_num_##type##_freelist++; \ |
| 428 | 1298 } while (0) |
| 1204 | 1299 #else |
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1300 #define FREE_FIXED_TYPE_WHEN_NOT_IN_GC(lo, type, structtype, ptr) |
| 1204 | 1301 #endif |
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1302 #endif /* (not) NEW_GC */ |
| 3263 | 1303 |
| 1304 #ifdef NEW_GC | |
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1305 #define ALLOC_FROB_BLOCK_LISP_OBJECT(type, lisp_type, var, lrec_ptr)\ |
| 3017 | 1306 do { \ |
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1307 (var) = (lisp_type *) XPNTR (ALLOC_NORMAL_LISP_OBJECT (type)); \ |
| 3017 | 1308 } while (0) |
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1309 #define NOSEEUM_ALLOC_FROB_BLOCK_LISP_OBJECT(type, lisp_type, var, \ |
| 3017 | 1310 lrec_ptr) \ |
| 1311 do { \ | |
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1312 (var) = (lisp_type *) XPNTR (noseeum_alloc_lrecord (lrec_ptr)); \ |
| 3017 | 1313 } while (0) |
| 3263 | 1314 #else /* not NEW_GC */ |
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1315 #define ALLOC_FROB_BLOCK_LISP_OBJECT(type, lisp_type, var, lrec_ptr) \ |
| 3017 | 1316 do \ |
| 1317 { \ | |
| 1318 ALLOCATE_FIXED_TYPE (type, lisp_type, var); \ | |
| 1319 set_lheader_implementation (&(var)->lheader, lrec_ptr); \ | |
| 1320 } while (0) | |
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1321 #define NOSEEUM_ALLOC_FROB_BLOCK_LISP_OBJECT(type, lisp_type, var, \ |
| 3017 | 1322 lrec_ptr) \ |
| 1323 do \ | |
| 1324 { \ | |
| 1325 NOSEEUM_ALLOCATE_FIXED_TYPE (type, lisp_type, var); \ | |
| 1326 set_lheader_implementation (&(var)->lheader, lrec_ptr); \ | |
| 1327 } while (0) | |
| 3263 | 1328 #endif /* not NEW_GC */ |
| 3017 | 1329 |
| 428 | 1330 |
| 1331 | |
| 1332 /************************************************************************/ | |
| 1333 /* Cons allocation */ | |
| 1334 /************************************************************************/ | |
| 1335 | |
| 440 | 1336 DECLARE_FIXED_TYPE_ALLOC (cons, Lisp_Cons); |
| 428 | 1337 /* conses are used and freed so often that we set this really high */ |
| 1338 /* #define MINIMUM_ALLOWED_FIXED_TYPE_CELLS_cons 20000 */ | |
| 1339 #define MINIMUM_ALLOWED_FIXED_TYPE_CELLS_cons 2000 | |
| 1340 | |
| 1341 static Lisp_Object | |
| 1342 mark_cons (Lisp_Object obj) | |
| 1343 { | |
| 1344 if (NILP (XCDR (obj))) | |
| 1345 return XCAR (obj); | |
| 1346 | |
| 1347 mark_object (XCAR (obj)); | |
| 1348 return XCDR (obj); | |
| 1349 } | |
| 1350 | |
| 1351 static int | |
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1352 cons_equal (Lisp_Object ob1, Lisp_Object ob2, int depth, int foldcase) |
| 428 | 1353 { |
| 442 | 1354 depth++; |
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1355 while (internal_equal_0 (XCAR (ob1), XCAR (ob2), depth, foldcase)) |
| 428 | 1356 { |
| 1357 ob1 = XCDR (ob1); | |
| 1358 ob2 = XCDR (ob2); | |
| 1359 if (! CONSP (ob1) || ! CONSP (ob2)) | |
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1360 return internal_equal_0 (ob1, ob2, depth, foldcase); |
| 428 | 1361 } |
| 1362 return 0; | |
| 1363 } | |
| 1364 | |
| 1204 | 1365 static const struct memory_description cons_description[] = { |
| 853 | 1366 { XD_LISP_OBJECT, offsetof (Lisp_Cons, car_) }, |
| 1367 { XD_LISP_OBJECT, offsetof (Lisp_Cons, cdr_) }, | |
| 428 | 1368 { XD_END } |
| 1369 }; | |
| 1370 | |
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1371 DEFINE_DUMPABLE_FROB_BLOCK_LISP_OBJECT ("cons", cons, |
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1372 mark_cons, print_cons, 0, cons_equal, |
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1373 /* |
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1374 * No `hash' method needed. |
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1375 * internal_hash knows how to |
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1376 * handle conses. |
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1377 */ |
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1378 0, cons_description, Lisp_Cons); |
| 428 | 1379 |
| 1380 DEFUN ("cons", Fcons, 2, 2, 0, /* | |
| 3355 | 1381 Create a new cons cell, give it CAR and CDR as components, and return it. |
| 1382 | |
| 1383 A cons cell is a Lisp object (an area in memory) made up of two pointers | |
| 1384 called the CAR and the CDR. Each of these pointers can point to any other | |
| 1385 Lisp object. The common Lisp data type, the list, is a specially-structured | |
| 1386 series of cons cells. | |
| 1387 | |
| 1388 The pointers are accessed from Lisp with `car' and `cdr', and mutated with | |
| 1389 `setcar' and `setcdr' respectively. For historical reasons, the aliases | |
| 1390 `rplaca' and `rplacd' (for `setcar' and `setcdr') are supported. | |
| 428 | 1391 */ |
| 1392 (car, cdr)) | |
| 1393 { | |
| 1394 /* This cannot GC. */ | |
| 1395 Lisp_Object val; | |
| 440 | 1396 Lisp_Cons *c; |
| 1397 | |
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1398 ALLOC_FROB_BLOCK_LISP_OBJECT (cons, Lisp_Cons, c, &lrecord_cons); |
| 793 | 1399 val = wrap_cons (c); |
| 853 | 1400 XSETCAR (val, car); |
| 1401 XSETCDR (val, cdr); | |
| 428 | 1402 return val; |
| 1403 } | |
| 1404 | |
| 1405 /* This is identical to Fcons() but it used for conses that we're | |
| 1406 going to free later, and is useful when trying to track down | |
| 1407 "real" consing. */ | |
| 1408 Lisp_Object | |
| 1409 noseeum_cons (Lisp_Object car, Lisp_Object cdr) | |
| 1410 { | |
| 1411 Lisp_Object val; | |
| 440 | 1412 Lisp_Cons *c; |
| 1413 | |
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1414 NOSEEUM_ALLOC_FROB_BLOCK_LISP_OBJECT (cons, Lisp_Cons, c, &lrecord_cons); |
| 793 | 1415 val = wrap_cons (c); |
| 428 | 1416 XCAR (val) = car; |
| 1417 XCDR (val) = cdr; | |
| 1418 return val; | |
| 1419 } | |
| 1420 | |
| 1421 DEFUN ("list", Flist, 0, MANY, 0, /* | |
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1422 Return a newly created list with specified ARGS as elements. |
| 428 | 1423 Any number of arguments, even zero arguments, are allowed. |
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1424 |
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1425 arguments: (&rest ARGS) |
| 428 | 1426 */ |
| 1427 (int nargs, Lisp_Object *args)) | |
| 1428 { | |
| 1429 Lisp_Object val = Qnil; | |
| 1430 Lisp_Object *argp = args + nargs; | |
| 1431 | |
| 1432 while (argp > args) | |
| 1433 val = Fcons (*--argp, val); | |
| 1434 return val; | |
| 1435 } | |
| 1436 | |
| 1437 Lisp_Object | |
| 1438 list1 (Lisp_Object obj0) | |
| 1439 { | |
| 1440 /* This cannot GC. */ | |
| 1441 return Fcons (obj0, Qnil); | |
| 1442 } | |
| 1443 | |
| 1444 Lisp_Object | |
| 1445 list2 (Lisp_Object obj0, Lisp_Object obj1) | |
| 1446 { | |
| 1447 /* This cannot GC. */ | |
| 1448 return Fcons (obj0, Fcons (obj1, Qnil)); | |
| 1449 } | |
| 1450 | |
| 1451 Lisp_Object | |
| 1452 list3 (Lisp_Object obj0, Lisp_Object obj1, Lisp_Object obj2) | |
| 1453 { | |
| 1454 /* This cannot GC. */ | |
| 1455 return Fcons (obj0, Fcons (obj1, Fcons (obj2, Qnil))); | |
| 1456 } | |
| 1457 | |
| 1458 Lisp_Object | |
| 1459 cons3 (Lisp_Object obj0, Lisp_Object obj1, Lisp_Object obj2) | |
| 1460 { | |
| 1461 /* This cannot GC. */ | |
| 1462 return Fcons (obj0, Fcons (obj1, obj2)); | |
| 1463 } | |
| 1464 | |
| 1465 Lisp_Object | |
| 1466 acons (Lisp_Object key, Lisp_Object value, Lisp_Object alist) | |
| 1467 { | |
| 1468 return Fcons (Fcons (key, value), alist); | |
| 1469 } | |
| 1470 | |
| 1471 Lisp_Object | |
| 1472 list4 (Lisp_Object obj0, Lisp_Object obj1, Lisp_Object obj2, Lisp_Object obj3) | |
| 1473 { | |
| 1474 /* This cannot GC. */ | |
| 1475 return Fcons (obj0, Fcons (obj1, Fcons (obj2, Fcons (obj3, Qnil)))); | |
| 1476 } | |
| 1477 | |
| 1478 Lisp_Object | |
| 1479 list5 (Lisp_Object obj0, Lisp_Object obj1, Lisp_Object obj2, Lisp_Object obj3, | |
| 1480 Lisp_Object obj4) | |
| 1481 { | |
| 1482 /* This cannot GC. */ | |
| 1483 return Fcons (obj0, Fcons (obj1, Fcons (obj2, Fcons (obj3, Fcons (obj4, Qnil))))); | |
| 1484 } | |
| 1485 | |
| 1486 Lisp_Object | |
| 1487 list6 (Lisp_Object obj0, Lisp_Object obj1, Lisp_Object obj2, Lisp_Object obj3, | |
| 1488 Lisp_Object obj4, Lisp_Object obj5) | |
| 1489 { | |
| 1490 /* This cannot GC. */ | |
| 1491 return Fcons (obj0, Fcons (obj1, Fcons (obj2, Fcons (obj3, Fcons (obj4, Fcons (obj5, Qnil)))))); | |
| 1492 } | |
| 1493 | |
| 1494 DEFUN ("make-list", Fmake_list, 2, 2, 0, /* | |
| 444 | 1495 Return a new list of length LENGTH, with each element being OBJECT. |
| 428 | 1496 */ |
| 444 | 1497 (length, object)) |
| 428 | 1498 { |
| 1499 CHECK_NATNUM (length); | |
| 1500 | |
| 1501 { | |
| 1502 Lisp_Object val = Qnil; | |
| 647 | 1503 EMACS_INT size = XINT (length); |
| 428 | 1504 |
| 1505 while (size--) | |
| 444 | 1506 val = Fcons (object, val); |
| 428 | 1507 return val; |
| 1508 } | |
| 1509 } | |
| 1510 | |
| 1511 | |
| 1512 /************************************************************************/ | |
| 1513 /* Float allocation */ | |
| 1514 /************************************************************************/ | |
| 1515 | |
| 1983 | 1516 /*** With enhanced number support, these are short floats */ |
| 1517 | |
| 440 | 1518 DECLARE_FIXED_TYPE_ALLOC (float, Lisp_Float); |
| 428 | 1519 #define MINIMUM_ALLOWED_FIXED_TYPE_CELLS_float 1000 |
| 1520 | |
| 1521 Lisp_Object | |
| 1522 make_float (double float_value) | |
| 1523 { | |
| 440 | 1524 Lisp_Float *f; |
| 1525 | |
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1526 ALLOC_FROB_BLOCK_LISP_OBJECT (float, Lisp_Float, f, &lrecord_float); |
| 440 | 1527 |
| 1528 /* Avoid dump-time `uninitialized memory read' purify warnings. */ | |
| 1529 if (sizeof (struct lrecord_header) + sizeof (double) != sizeof (*f)) | |
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1530 zero_nonsized_lisp_object (wrap_float (f)); |
| 3017 | 1531 |
| 428 | 1532 float_data (f) = float_value; |
| 793 | 1533 return wrap_float (f); |
| 428 | 1534 } |
| 1535 | |
| 1536 | |
| 1537 /************************************************************************/ | |
| 1983 | 1538 /* Enhanced number allocation */ |
| 1539 /************************************************************************/ | |
| 1540 | |
| 1541 /*** Bignum ***/ | |
| 1542 #ifdef HAVE_BIGNUM | |
| 1543 DECLARE_FIXED_TYPE_ALLOC (bignum, Lisp_Bignum); | |
| 1544 #define MINIMUM_ALLOWED_FIXED_TYPE_CELLS_bignum 250 | |
| 1545 | |
| 1546 /* WARNING: This function returns a bignum even if its argument fits into a | |
| 1547 fixnum. See Fcanonicalize_number(). */ | |
| 1548 Lisp_Object | |
| 1549 make_bignum (long bignum_value) | |
| 1550 { | |
| 1551 Lisp_Bignum *b; | |
| 1552 | |
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1553 ALLOC_FROB_BLOCK_LISP_OBJECT (bignum, Lisp_Bignum, b, &lrecord_bignum); |
| 1983 | 1554 bignum_init (bignum_data (b)); |
| 1555 bignum_set_long (bignum_data (b), bignum_value); | |
| 1556 return wrap_bignum (b); | |
| 1557 } | |
| 1558 | |
| 1559 /* WARNING: This function returns a bignum even if its argument fits into a | |
| 1560 fixnum. See Fcanonicalize_number(). */ | |
| 1561 Lisp_Object | |
| 1562 make_bignum_bg (bignum bg) | |
| 1563 { | |
| 1564 Lisp_Bignum *b; | |
| 1565 | |
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1566 ALLOC_FROB_BLOCK_LISP_OBJECT (bignum, Lisp_Bignum, b, &lrecord_bignum); |
| 1983 | 1567 bignum_init (bignum_data (b)); |
| 1568 bignum_set (bignum_data (b), bg); | |
| 1569 return wrap_bignum (b); | |
| 1570 } | |
| 1571 #endif /* HAVE_BIGNUM */ | |
| 1572 | |
| 1573 /*** Ratio ***/ | |
| 1574 #ifdef HAVE_RATIO | |
| 1575 DECLARE_FIXED_TYPE_ALLOC (ratio, Lisp_Ratio); | |
| 1576 #define MINIMUM_ALLOWED_FIXED_TYPE_CELLS_ratio 250 | |
| 1577 | |
| 1578 Lisp_Object | |
| 1579 make_ratio (long numerator, unsigned long denominator) | |
| 1580 { | |
| 1581 Lisp_Ratio *r; | |
| 1582 | |
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1583 ALLOC_FROB_BLOCK_LISP_OBJECT (ratio, Lisp_Ratio, r, &lrecord_ratio); |
| 1983 | 1584 ratio_init (ratio_data (r)); |
| 1585 ratio_set_long_ulong (ratio_data (r), numerator, denominator); | |
| 1586 ratio_canonicalize (ratio_data (r)); | |
| 1587 return wrap_ratio (r); | |
| 1588 } | |
| 1589 | |
| 1590 Lisp_Object | |
| 1591 make_ratio_bg (bignum numerator, bignum denominator) | |
| 1592 { | |
| 1593 Lisp_Ratio *r; | |
| 1594 | |
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1595 ALLOC_FROB_BLOCK_LISP_OBJECT (ratio, Lisp_Ratio, r, &lrecord_ratio); |
| 1983 | 1596 ratio_init (ratio_data (r)); |
| 1597 ratio_set_bignum_bignum (ratio_data (r), numerator, denominator); | |
| 1598 ratio_canonicalize (ratio_data (r)); | |
| 1599 return wrap_ratio (r); | |
| 1600 } | |
| 1601 | |
| 1602 Lisp_Object | |
| 1603 make_ratio_rt (ratio rat) | |
| 1604 { | |
| 1605 Lisp_Ratio *r; | |
| 1606 | |
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1607 ALLOC_FROB_BLOCK_LISP_OBJECT (ratio, Lisp_Ratio, r, &lrecord_ratio); |
| 1983 | 1608 ratio_init (ratio_data (r)); |
| 1609 ratio_set (ratio_data (r), rat); | |
| 1610 return wrap_ratio (r); | |
| 1611 } | |
| 1612 #endif /* HAVE_RATIO */ | |
| 1613 | |
| 1614 /*** Bigfloat ***/ | |
| 1615 #ifdef HAVE_BIGFLOAT | |
| 1616 DECLARE_FIXED_TYPE_ALLOC (bigfloat, Lisp_Bigfloat); | |
| 1617 #define MINIMUM_ALLOWED_FIXED_TYPE_CELLS_bigfloat 250 | |
| 1618 | |
| 1619 /* This function creates a bigfloat with the default precision if the | |
| 1620 PRECISION argument is zero. */ | |
| 1621 Lisp_Object | |
| 1622 make_bigfloat (double float_value, unsigned long precision) | |
| 1623 { | |
| 1624 Lisp_Bigfloat *f; | |
| 1625 | |
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1626 ALLOC_FROB_BLOCK_LISP_OBJECT (bigfloat, Lisp_Bigfloat, f, &lrecord_bigfloat); |
| 1983 | 1627 if (precision == 0UL) |
| 1628 bigfloat_init (bigfloat_data (f)); | |
| 1629 else | |
| 1630 bigfloat_init_prec (bigfloat_data (f), precision); | |
| 1631 bigfloat_set_double (bigfloat_data (f), float_value); | |
| 1632 return wrap_bigfloat (f); | |
| 1633 } | |
| 1634 | |
| 1635 /* This function creates a bigfloat with the precision of its argument */ | |
| 1636 Lisp_Object | |
| 1637 make_bigfloat_bf (bigfloat float_value) | |
| 1638 { | |
| 1639 Lisp_Bigfloat *f; | |
| 1640 | |
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1641 ALLOC_FROB_BLOCK_LISP_OBJECT (bigfloat, Lisp_Bigfloat, f, &lrecord_bigfloat); |
| 1983 | 1642 bigfloat_init_prec (bigfloat_data (f), bigfloat_get_prec (float_value)); |
| 1643 bigfloat_set (bigfloat_data (f), float_value); | |
| 1644 return wrap_bigfloat (f); | |
| 1645 } | |
| 1646 #endif /* HAVE_BIGFLOAT */ | |
| 1647 | |
| 1648 /************************************************************************/ | |
| 428 | 1649 /* Vector allocation */ |
| 1650 /************************************************************************/ | |
| 1651 | |
| 1652 static Lisp_Object | |
| 1653 mark_vector (Lisp_Object obj) | |
| 1654 { | |
| 1655 Lisp_Vector *ptr = XVECTOR (obj); | |
| 1656 int len = vector_length (ptr); | |
| 1657 int i; | |
| 1658 | |
| 1659 for (i = 0; i < len - 1; i++) | |
| 1660 mark_object (ptr->contents[i]); | |
| 1661 return (len > 0) ? ptr->contents[len - 1] : Qnil; | |
| 1662 } | |
| 1663 | |
| 665 | 1664 static Bytecount |
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1665 size_vector (Lisp_Object obj) |
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1666 { |
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1667 |
| 456 | 1668 return FLEXIBLE_ARRAY_STRUCT_SIZEOF (Lisp_Vector, Lisp_Object, contents, |
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1669 XVECTOR (obj)->size); |
| 428 | 1670 } |
| 1671 | |
| 1672 static int | |
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1673 vector_equal (Lisp_Object obj1, Lisp_Object obj2, int depth, int foldcase) |
| 428 | 1674 { |
| 1675 int len = XVECTOR_LENGTH (obj1); | |
| 1676 if (len != XVECTOR_LENGTH (obj2)) | |
| 1677 return 0; | |
| 1678 | |
| 1679 { | |
| 1680 Lisp_Object *ptr1 = XVECTOR_DATA (obj1); | |
| 1681 Lisp_Object *ptr2 = XVECTOR_DATA (obj2); | |
| 1682 while (len--) | |
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1683 if (!internal_equal_0 (*ptr1++, *ptr2++, depth + 1, foldcase)) |
| 428 | 1684 return 0; |
| 1685 } | |
| 1686 return 1; | |
| 1687 } | |
| 1688 | |
| 665 | 1689 static Hashcode |
| 442 | 1690 vector_hash (Lisp_Object obj, int depth) |
| 1691 { | |
| 1692 return HASH2 (XVECTOR_LENGTH (obj), | |
| 1693 internal_array_hash (XVECTOR_DATA (obj), | |
| 1694 XVECTOR_LENGTH (obj), | |
| 1695 depth + 1)); | |
| 1696 } | |
| 1697 | |
| 1204 | 1698 static const struct memory_description vector_description[] = { |
| 440 | 1699 { XD_LONG, offsetof (Lisp_Vector, size) }, |
| 1700 { XD_LISP_OBJECT_ARRAY, offsetof (Lisp_Vector, contents), XD_INDIRECT(0, 0) }, | |
| 428 | 1701 { XD_END } |
| 1702 }; | |
| 1703 | |
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1704 DEFINE_DUMPABLE_SIZABLE_LISP_OBJECT ("vector", vector, |
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1705 mark_vector, print_vector, 0, |
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1706 vector_equal, |
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1707 vector_hash, |
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1708 vector_description, |
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1709 size_vector, Lisp_Vector); |
| 428 | 1710 /* #### should allocate `small' vectors from a frob-block */ |
| 1711 static Lisp_Vector * | |
| 665 | 1712 make_vector_internal (Elemcount sizei) |
| 428 | 1713 { |
| 1204 | 1714 /* no `next' field; we use lcrecords */ |
| 665 | 1715 Bytecount sizem = FLEXIBLE_ARRAY_STRUCT_SIZEOF (Lisp_Vector, Lisp_Object, |
| 1204 | 1716 contents, sizei); |
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1717 Lisp_Object obj = ALLOC_SIZED_LISP_OBJECT (sizem, vector); |
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1718 Lisp_Vector *p = XVECTOR (obj); |
| 428 | 1719 |
| 1720 p->size = sizei; | |
| 1721 return p; | |
| 1722 } | |
| 1723 | |
| 1724 Lisp_Object | |
| 665 | 1725 make_vector (Elemcount length, Lisp_Object object) |
| 428 | 1726 { |
| 1727 Lisp_Vector *vecp = make_vector_internal (length); | |
| 1728 Lisp_Object *p = vector_data (vecp); | |
| 1729 | |
| 1730 while (length--) | |
| 444 | 1731 *p++ = object; |
| 428 | 1732 |
| 793 | 1733 return wrap_vector (vecp); |
| 428 | 1734 } |
| 1735 | |
| 1736 DEFUN ("make-vector", Fmake_vector, 2, 2, 0, /* | |
| 444 | 1737 Return a new vector of length LENGTH, with each element being OBJECT. |
| 428 | 1738 See also the function `vector'. |
| 1739 */ | |
| 444 | 1740 (length, object)) |
| 428 | 1741 { |
| 1742 CONCHECK_NATNUM (length); | |
| 444 | 1743 return make_vector (XINT (length), object); |
| 428 | 1744 } |
| 1745 | |
| 1746 DEFUN ("vector", Fvector, 0, MANY, 0, /* | |
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1747 Return a newly created vector with specified ARGS as elements. |
| 428 | 1748 Any number of arguments, even zero arguments, are allowed. |
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1749 |
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1750 arguments: (&rest ARGS) |
| 428 | 1751 */ |
| 1752 (int nargs, Lisp_Object *args)) | |
| 1753 { | |
| 1754 Lisp_Vector *vecp = make_vector_internal (nargs); | |
| 1755 Lisp_Object *p = vector_data (vecp); | |
| 1756 | |
| 1757 while (nargs--) | |
| 1758 *p++ = *args++; | |
| 1759 | |
| 793 | 1760 return wrap_vector (vecp); |
| 428 | 1761 } |
| 1762 | |
| 1763 Lisp_Object | |
| 1764 vector1 (Lisp_Object obj0) | |
| 1765 { | |
| 1766 return Fvector (1, &obj0); | |
| 1767 } | |
| 1768 | |
| 1769 Lisp_Object | |
| 1770 vector2 (Lisp_Object obj0, Lisp_Object obj1) | |
| 1771 { | |
| 1772 Lisp_Object args[2]; | |
| 1773 args[0] = obj0; | |
| 1774 args[1] = obj1; | |
| 1775 return Fvector (2, args); | |
| 1776 } | |
| 1777 | |
| 1778 Lisp_Object | |
| 1779 vector3 (Lisp_Object obj0, Lisp_Object obj1, Lisp_Object obj2) | |
| 1780 { | |
| 1781 Lisp_Object args[3]; | |
| 1782 args[0] = obj0; | |
| 1783 args[1] = obj1; | |
| 1784 args[2] = obj2; | |
| 1785 return Fvector (3, args); | |
| 1786 } | |
| 1787 | |
| 1788 #if 0 /* currently unused */ | |
| 1789 | |
| 1790 Lisp_Object | |
| 1791 vector4 (Lisp_Object obj0, Lisp_Object obj1, Lisp_Object obj2, | |
| 1792 Lisp_Object obj3) | |
| 1793 { | |
| 1794 Lisp_Object args[4]; | |
| 1795 args[0] = obj0; | |
| 1796 args[1] = obj1; | |
| 1797 args[2] = obj2; | |
| 1798 args[3] = obj3; | |
| 1799 return Fvector (4, args); | |
| 1800 } | |
| 1801 | |
| 1802 Lisp_Object | |
| 1803 vector5 (Lisp_Object obj0, Lisp_Object obj1, Lisp_Object obj2, | |
| 1804 Lisp_Object obj3, Lisp_Object obj4) | |
| 1805 { | |
| 1806 Lisp_Object args[5]; | |
| 1807 args[0] = obj0; | |
| 1808 args[1] = obj1; | |
| 1809 args[2] = obj2; | |
| 1810 args[3] = obj3; | |
| 1811 args[4] = obj4; | |
| 1812 return Fvector (5, args); | |
| 1813 } | |
| 1814 | |
| 1815 Lisp_Object | |
| 1816 vector6 (Lisp_Object obj0, Lisp_Object obj1, Lisp_Object obj2, | |
| 1817 Lisp_Object obj3, Lisp_Object obj4, Lisp_Object obj5) | |
| 1818 { | |
| 1819 Lisp_Object args[6]; | |
| 1820 args[0] = obj0; | |
| 1821 args[1] = obj1; | |
| 1822 args[2] = obj2; | |
| 1823 args[3] = obj3; | |
| 1824 args[4] = obj4; | |
| 1825 args[5] = obj5; | |
| 1826 return Fvector (6, args); | |
| 1827 } | |
| 1828 | |
| 1829 Lisp_Object | |
| 1830 vector7 (Lisp_Object obj0, Lisp_Object obj1, Lisp_Object obj2, | |
| 1831 Lisp_Object obj3, Lisp_Object obj4, Lisp_Object obj5, | |
| 1832 Lisp_Object obj6) | |
| 1833 { | |
| 1834 Lisp_Object args[7]; | |
| 1835 args[0] = obj0; | |
| 1836 args[1] = obj1; | |
| 1837 args[2] = obj2; | |
| 1838 args[3] = obj3; | |
| 1839 args[4] = obj4; | |
| 1840 args[5] = obj5; | |
| 1841 args[6] = obj6; | |
| 1842 return Fvector (7, args); | |
| 1843 } | |
| 1844 | |
| 1845 Lisp_Object | |
| 1846 vector8 (Lisp_Object obj0, Lisp_Object obj1, Lisp_Object obj2, | |
| 1847 Lisp_Object obj3, Lisp_Object obj4, Lisp_Object obj5, | |
| 1848 Lisp_Object obj6, Lisp_Object obj7) | |
| 1849 { | |
| 1850 Lisp_Object args[8]; | |
| 1851 args[0] = obj0; | |
| 1852 args[1] = obj1; | |
| 1853 args[2] = obj2; | |
| 1854 args[3] = obj3; | |
| 1855 args[4] = obj4; | |
| 1856 args[5] = obj5; | |
| 1857 args[6] = obj6; | |
| 1858 args[7] = obj7; | |
| 1859 return Fvector (8, args); | |
| 1860 } | |
| 1861 #endif /* unused */ | |
| 1862 | |
| 1863 /************************************************************************/ | |
| 1864 /* Bit Vector allocation */ | |
| 1865 /************************************************************************/ | |
| 1866 | |
| 1867 /* #### should allocate `small' bit vectors from a frob-block */ | |
| 440 | 1868 static Lisp_Bit_Vector * |
| 665 | 1869 make_bit_vector_internal (Elemcount sizei) |
| 428 | 1870 { |
| 1204 | 1871 /* no `next' field; we use lcrecords */ |
| 665 | 1872 Elemcount num_longs = BIT_VECTOR_LONG_STORAGE (sizei); |
| 1873 Bytecount sizem = FLEXIBLE_ARRAY_STRUCT_SIZEOF (Lisp_Bit_Vector, | |
| 1204 | 1874 unsigned long, |
| 1875 bits, num_longs); | |
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1876 Lisp_Object obj = ALLOC_SIZED_LISP_OBJECT (sizem, bit_vector); |
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1877 Lisp_Bit_Vector *p = XBIT_VECTOR (obj); |
| 428 | 1878 |
| 1879 bit_vector_length (p) = sizei; | |
| 1880 return p; | |
| 1881 } | |
| 1882 | |
| 1883 Lisp_Object | |
| 665 | 1884 make_bit_vector (Elemcount length, Lisp_Object bit) |
| 428 | 1885 { |
| 440 | 1886 Lisp_Bit_Vector *p = make_bit_vector_internal (length); |
| 665 | 1887 Elemcount num_longs = BIT_VECTOR_LONG_STORAGE (length); |
| 428 | 1888 |
| 444 | 1889 CHECK_BIT (bit); |
| 1890 | |
| 1891 if (ZEROP (bit)) | |
| 428 | 1892 memset (p->bits, 0, num_longs * sizeof (long)); |
| 1893 else | |
| 1894 { | |
| 665 | 1895 Elemcount bits_in_last = length & (LONGBITS_POWER_OF_2 - 1); |
| 428 | 1896 memset (p->bits, ~0, num_longs * sizeof (long)); |
| 1897 /* But we have to make sure that the unused bits in the | |
| 1898 last long are 0, so that equal/hash is easy. */ | |
| 1899 if (bits_in_last) | |
| 1900 p->bits[num_longs - 1] &= (1 << bits_in_last) - 1; | |
| 1901 } | |
| 1902 | |
| 793 | 1903 return wrap_bit_vector (p); |
| 428 | 1904 } |
| 1905 | |
| 1906 Lisp_Object | |
| 665 | 1907 make_bit_vector_from_byte_vector (unsigned char *bytevec, Elemcount length) |
| 428 | 1908 { |
| 665 | 1909 Elemcount i; |
| 428 | 1910 Lisp_Bit_Vector *p = make_bit_vector_internal (length); |
| 1911 | |
| 1912 for (i = 0; i < length; i++) | |
| 1913 set_bit_vector_bit (p, i, bytevec[i]); | |
| 1914 | |
| 793 | 1915 return wrap_bit_vector (p); |
| 428 | 1916 } |
| 1917 | |
| 1918 DEFUN ("make-bit-vector", Fmake_bit_vector, 2, 2, 0, /* | |
| 444 | 1919 Return a new bit vector of length LENGTH. with each bit set to BIT. |
| 1920 BIT must be one of the integers 0 or 1. See also the function `bit-vector'. | |
| 428 | 1921 */ |
| 444 | 1922 (length, bit)) |
| 428 | 1923 { |
| 1924 CONCHECK_NATNUM (length); | |
| 1925 | |
| 444 | 1926 return make_bit_vector (XINT (length), bit); |
| 428 | 1927 } |
| 1928 | |
| 1929 DEFUN ("bit-vector", Fbit_vector, 0, MANY, 0, /* | |
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1930 Return a newly created bit vector with specified ARGS as elements. |
| 428 | 1931 Any number of arguments, even zero arguments, are allowed. |
| 444 | 1932 Each argument must be one of the integers 0 or 1. |
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1933 |
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1934 arguments: (&rest ARGS) |
| 428 | 1935 */ |
| 1936 (int nargs, Lisp_Object *args)) | |
| 1937 { | |
| 1938 int i; | |
| 1939 Lisp_Bit_Vector *p = make_bit_vector_internal (nargs); | |
| 1940 | |
| 1941 for (i = 0; i < nargs; i++) | |
| 1942 { | |
| 1943 CHECK_BIT (args[i]); | |
| 1944 set_bit_vector_bit (p, i, !ZEROP (args[i])); | |
| 1945 } | |
| 1946 | |
| 793 | 1947 return wrap_bit_vector (p); |
| 428 | 1948 } |
| 1949 | |
| 1950 | |
| 1951 /************************************************************************/ | |
| 1952 /* Compiled-function allocation */ | |
| 1953 /************************************************************************/ | |
| 1954 | |
| 1955 DECLARE_FIXED_TYPE_ALLOC (compiled_function, Lisp_Compiled_Function); | |
| 1956 #define MINIMUM_ALLOWED_FIXED_TYPE_CELLS_compiled_function 1000 | |
| 1957 | |
| 1958 static Lisp_Object | |
| 1959 make_compiled_function (void) | |
| 1960 { | |
| 1961 Lisp_Compiled_Function *f; | |
| 1962 | |
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1963 ALLOC_FROB_BLOCK_LISP_OBJECT (compiled_function, Lisp_Compiled_Function, |
| 3017 | 1964 f, &lrecord_compiled_function); |
| 428 | 1965 |
| 1966 f->stack_depth = 0; | |
| 1967 f->specpdl_depth = 0; | |
| 1968 f->flags.documentationp = 0; | |
| 1969 f->flags.interactivep = 0; | |
| 1970 f->flags.domainp = 0; /* I18N3 */ | |
| 1971 f->instructions = Qzero; | |
| 1972 f->constants = Qzero; | |
| 1973 f->arglist = Qnil; | |
| 3092 | 1974 #ifdef NEW_GC |
| 1975 f->arguments = Qnil; | |
| 1976 #else /* not NEW_GC */ | |
| 1739 | 1977 f->args = NULL; |
| 3092 | 1978 #endif /* not NEW_GC */ |
| 1739 | 1979 f->max_args = f->min_args = f->args_in_array = 0; |
| 428 | 1980 f->doc_and_interactive = Qnil; |
| 1981 #ifdef COMPILED_FUNCTION_ANNOTATION_HACK | |
| 1982 f->annotated = Qnil; | |
| 1983 #endif | |
| 793 | 1984 return wrap_compiled_function (f); |
| 428 | 1985 } |
| 1986 | |
| 1987 DEFUN ("make-byte-code", Fmake_byte_code, 4, MANY, 0, /* | |
| 1988 Return a new compiled-function object. | |
| 1989 Note that, unlike all other emacs-lisp functions, calling this with five | |
| 1990 arguments is NOT the same as calling it with six arguments, the last of | |
| 1991 which is nil. If the INTERACTIVE arg is specified as nil, then that means | |
| 1992 that this function was defined with `(interactive)'. If the arg is not | |
| 1993 specified, then that means the function is not interactive. | |
| 1994 This is terrible behavior which is retained for compatibility with old | |
| 1995 `.elc' files which expect these semantics. | |
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1996 |
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1997 arguments: (ARGLIST INSTRUCTIONS CONSTANTS STACK-DEPTH &optional DOC-STRING INTERACTIVE) |
| 428 | 1998 */ |
| 1999 (int nargs, Lisp_Object *args)) | |
| 2000 { | |
| 2001 /* In a non-insane world this function would have this arglist... | |
| 2002 (arglist instructions constants stack_depth &optional doc_string interactive) | |
| 2003 */ | |
| 2004 Lisp_Object fun = make_compiled_function (); | |
| 2005 Lisp_Compiled_Function *f = XCOMPILED_FUNCTION (fun); | |
| 2006 | |
| 2007 Lisp_Object arglist = args[0]; | |
| 2008 Lisp_Object instructions = args[1]; | |
| 2009 Lisp_Object constants = args[2]; | |
| 2010 Lisp_Object stack_depth = args[3]; | |
| 2011 Lisp_Object doc_string = (nargs > 4) ? args[4] : Qnil; | |
| 2012 Lisp_Object interactive = (nargs > 5) ? args[5] : Qunbound; | |
| 2013 | |
| 2014 if (nargs < 4 || nargs > 6) | |
| 2015 return Fsignal (Qwrong_number_of_arguments, | |
| 2016 list2 (intern ("make-byte-code"), make_int (nargs))); | |
| 2017 | |
| 2018 /* Check for valid formal parameter list now, to allow us to use | |
| 2019 SPECBIND_FAST_UNSAFE() later in funcall_compiled_function(). */ | |
| 2020 { | |
| 814 | 2021 EXTERNAL_LIST_LOOP_2 (symbol, arglist) |
| 428 | 2022 { |
| 2023 CHECK_SYMBOL (symbol); | |
| 2024 if (EQ (symbol, Qt) || | |
| 2025 EQ (symbol, Qnil) || | |
| 2026 SYMBOL_IS_KEYWORD (symbol)) | |
| 563 | 2027 invalid_constant_2 |
| 428 | 2028 ("Invalid constant symbol in formal parameter list", |
| 2029 symbol, arglist); | |
| 2030 } | |
| 2031 } | |
| 2032 f->arglist = arglist; | |
| 2033 | |
| 2034 /* `instructions' is a string or a cons (string . int) for a | |
| 2035 lazy-loaded function. */ | |
| 2036 if (CONSP (instructions)) | |
| 2037 { | |
| 2038 CHECK_STRING (XCAR (instructions)); | |
| 2039 CHECK_INT (XCDR (instructions)); | |
| 2040 } | |
| 2041 else | |
| 2042 { | |
| 2043 CHECK_STRING (instructions); | |
| 2044 } | |
| 2045 f->instructions = instructions; | |
| 2046 | |
| 2047 if (!NILP (constants)) | |
| 2048 CHECK_VECTOR (constants); | |
| 2049 f->constants = constants; | |
| 2050 | |
| 2051 CHECK_NATNUM (stack_depth); | |
| 442 | 2052 f->stack_depth = (unsigned short) XINT (stack_depth); |
| 428 | 2053 |
| 2054 #ifdef COMPILED_FUNCTION_ANNOTATION_HACK | |
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2055 f->annotated = Vload_file_name_internal; |
| 428 | 2056 #endif /* COMPILED_FUNCTION_ANNOTATION_HACK */ |
| 2057 | |
| 2058 /* doc_string may be nil, string, int, or a cons (string . int). | |
| 2059 interactive may be list or string (or unbound). */ | |
| 2060 f->doc_and_interactive = Qunbound; | |
| 2061 #ifdef I18N3 | |
| 2062 if ((f->flags.domainp = !NILP (Vfile_domain)) != 0) | |
| 2063 f->doc_and_interactive = Vfile_domain; | |
| 2064 #endif | |
| 2065 if ((f->flags.interactivep = !UNBOUNDP (interactive)) != 0) | |
| 2066 { | |
| 2067 f->doc_and_interactive | |
| 2068 = (UNBOUNDP (f->doc_and_interactive) ? interactive : | |
| 2069 Fcons (interactive, f->doc_and_interactive)); | |
| 2070 } | |
| 2071 if ((f->flags.documentationp = !NILP (doc_string)) != 0) | |
| 2072 { | |
| 2073 f->doc_and_interactive | |
| 2074 = (UNBOUNDP (f->doc_and_interactive) ? doc_string : | |
| 2075 Fcons (doc_string, f->doc_and_interactive)); | |
| 2076 } | |
| 2077 if (UNBOUNDP (f->doc_and_interactive)) | |
| 2078 f->doc_and_interactive = Qnil; | |
| 2079 | |
| 2080 return fun; | |
| 2081 } | |
| 2082 | |
| 2083 | |
| 2084 /************************************************************************/ | |
| 2085 /* Symbol allocation */ | |
| 2086 /************************************************************************/ | |
| 2087 | |
| 440 | 2088 DECLARE_FIXED_TYPE_ALLOC (symbol, Lisp_Symbol); |
| 428 | 2089 #define MINIMUM_ALLOWED_FIXED_TYPE_CELLS_symbol 1000 |
| 2090 | |
| 2091 DEFUN ("make-symbol", Fmake_symbol, 1, 1, 0, /* | |
| 2092 Return a newly allocated uninterned symbol whose name is NAME. | |
| 2093 Its value and function definition are void, and its property list is nil. | |
| 2094 */ | |
| 2095 (name)) | |
| 2096 { | |
| 440 | 2097 Lisp_Symbol *p; |
| 428 | 2098 |
| 2099 CHECK_STRING (name); | |
| 2100 | |
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2101 ALLOC_FROB_BLOCK_LISP_OBJECT (symbol, Lisp_Symbol, p, &lrecord_symbol); |
| 793 | 2102 p->name = name; |
| 428 | 2103 p->plist = Qnil; |
| 2104 p->value = Qunbound; | |
| 2105 p->function = Qunbound; | |
| 2106 symbol_next (p) = 0; | |
| 793 | 2107 return wrap_symbol (p); |
| 428 | 2108 } |
| 2109 | |
| 2110 | |
| 2111 /************************************************************************/ | |
| 2112 /* Extent allocation */ | |
| 2113 /************************************************************************/ | |
| 2114 | |
| 2115 DECLARE_FIXED_TYPE_ALLOC (extent, struct extent); | |
| 2116 #define MINIMUM_ALLOWED_FIXED_TYPE_CELLS_extent 1000 | |
| 2117 | |
| 2118 struct extent * | |
| 2119 allocate_extent (void) | |
| 2120 { | |
| 2121 struct extent *e; | |
| 2122 | |
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2123 ALLOC_FROB_BLOCK_LISP_OBJECT (extent, struct extent, e, &lrecord_extent); |
| 428 | 2124 extent_object (e) = Qnil; |
| 2125 set_extent_start (e, -1); | |
| 2126 set_extent_end (e, -1); | |
| 2127 e->plist = Qnil; | |
| 2128 | |
| 2129 xzero (e->flags); | |
| 2130 | |
| 2131 extent_face (e) = Qnil; | |
| 2132 e->flags.end_open = 1; /* default is for endpoints to behave like markers */ | |
| 2133 e->flags.detachable = 1; | |
| 2134 | |
| 2135 return e; | |
| 2136 } | |
| 2137 | |
| 2138 | |
| 2139 /************************************************************************/ | |
| 2140 /* Event allocation */ | |
| 2141 /************************************************************************/ | |
| 2142 | |
| 440 | 2143 DECLARE_FIXED_TYPE_ALLOC (event, Lisp_Event); |
| 428 | 2144 #define MINIMUM_ALLOWED_FIXED_TYPE_CELLS_event 1000 |
| 2145 | |
| 2146 Lisp_Object | |
| 2147 allocate_event (void) | |
| 2148 { | |
| 440 | 2149 Lisp_Event *e; |
| 2150 | |
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2151 ALLOC_FROB_BLOCK_LISP_OBJECT (event, Lisp_Event, e, &lrecord_event); |
| 428 | 2152 |
| 793 | 2153 return wrap_event (e); |
| 428 | 2154 } |
| 2155 | |
| 1204 | 2156 #ifdef EVENT_DATA_AS_OBJECTS |
| 934 | 2157 DECLARE_FIXED_TYPE_ALLOC (key_data, Lisp_Key_Data); |
| 2158 #define MINIMUM_ALLOWED_FIXED_TYPE_CELLS_key_data 1000 | |
| 2159 | |
| 2160 Lisp_Object | |
| 1204 | 2161 make_key_data (void) |
| 934 | 2162 { |
| 2163 Lisp_Key_Data *d; | |
| 2164 | |
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2165 ALLOC_FROB_BLOCK_LISP_OBJECT (key_data, Lisp_Key_Data, d, |
| 3017 | 2166 &lrecord_key_data); |
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2167 zero_nonsized_lisp_object (wrap_key_data (d)); |
| 1204 | 2168 d->keysym = Qnil; |
| 2169 | |
| 2170 return wrap_key_data (d); | |
| 934 | 2171 } |
| 2172 | |
| 2173 DECLARE_FIXED_TYPE_ALLOC (button_data, Lisp_Button_Data); | |
| 2174 #define MINIMUM_ALLOWED_FIXED_TYPE_CELLS_button_data 1000 | |
| 2175 | |
| 2176 Lisp_Object | |
| 1204 | 2177 make_button_data (void) |
| 934 | 2178 { |
| 2179 Lisp_Button_Data *d; | |
| 2180 | |
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2181 ALLOC_FROB_BLOCK_LISP_OBJECT (button_data, Lisp_Button_Data, d, &lrecord_button_data); |
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2182 zero_nonsized_lisp_object (wrap_button_data (d)); |
| 1204 | 2183 return wrap_button_data (d); |
| 934 | 2184 } |
| 2185 | |
| 2186 DECLARE_FIXED_TYPE_ALLOC (motion_data, Lisp_Motion_Data); | |
| 2187 #define MINIMUM_ALLOWED_FIXED_TYPE_CELLS_motion_data 1000 | |
| 2188 | |
| 2189 Lisp_Object | |
| 1204 | 2190 make_motion_data (void) |
| 934 | 2191 { |
| 2192 Lisp_Motion_Data *d; | |
| 2193 | |
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2194 ALLOC_FROB_BLOCK_LISP_OBJECT (motion_data, Lisp_Motion_Data, d, &lrecord_motion_data); |
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2195 zero_nonsized_lisp_object (wrap_motion_data (d)); |
| 934 | 2196 |
| 1204 | 2197 return wrap_motion_data (d); |
| 934 | 2198 } |
| 2199 | |
| 2200 DECLARE_FIXED_TYPE_ALLOC (process_data, Lisp_Process_Data); | |
| 2201 #define MINIMUM_ALLOWED_FIXED_TYPE_CELLS_process_data 1000 | |
| 2202 | |
| 2203 Lisp_Object | |
| 1204 | 2204 make_process_data (void) |
| 934 | 2205 { |
| 2206 Lisp_Process_Data *d; | |
| 2207 | |
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2208 ALLOC_FROB_BLOCK_LISP_OBJECT (process_data, Lisp_Process_Data, d, &lrecord_process_data); |
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2209 zero_nonsized_lisp_object (wrap_process_data (d)); |
| 1204 | 2210 d->process = Qnil; |
| 2211 | |
| 2212 return wrap_process_data (d); | |
| 934 | 2213 } |
| 2214 | |
| 2215 DECLARE_FIXED_TYPE_ALLOC (timeout_data, Lisp_Timeout_Data); | |
| 2216 #define MINIMUM_ALLOWED_FIXED_TYPE_CELLS_timeout_data 1000 | |
| 2217 | |
| 2218 Lisp_Object | |
| 1204 | 2219 make_timeout_data (void) |
| 934 | 2220 { |
| 2221 Lisp_Timeout_Data *d; | |
| 2222 | |
|
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2223 ALLOC_FROB_BLOCK_LISP_OBJECT (timeout_data, Lisp_Timeout_Data, d, &lrecord_timeout_data); |
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2224 zero_nonsized_lisp_object (wrap_timeout_data (d)); |
| 1204 | 2225 d->function = Qnil; |
| 2226 d->object = Qnil; | |
| 2227 | |
| 2228 return wrap_timeout_data (d); | |
| 934 | 2229 } |
| 2230 | |
| 2231 DECLARE_FIXED_TYPE_ALLOC (magic_data, Lisp_Magic_Data); | |
| 2232 #define MINIMUM_ALLOWED_FIXED_TYPE_CELLS_magic_data 1000 | |
| 2233 | |
| 2234 Lisp_Object | |
| 1204 | 2235 make_magic_data (void) |
| 934 | 2236 { |
| 2237 Lisp_Magic_Data *d; | |
| 2238 | |
|
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2239 ALLOC_FROB_BLOCK_LISP_OBJECT (magic_data, Lisp_Magic_Data, d, &lrecord_magic_data); |
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2240 zero_nonsized_lisp_object (wrap_magic_data (d)); |
| 934 | 2241 |
| 1204 | 2242 return wrap_magic_data (d); |
| 934 | 2243 } |
| 2244 | |
| 2245 DECLARE_FIXED_TYPE_ALLOC (magic_eval_data, Lisp_Magic_Eval_Data); | |
| 2246 #define MINIMUM_ALLOWED_FIXED_TYPE_CELLS_magic_eval_data 1000 | |
| 2247 | |
| 2248 Lisp_Object | |
| 1204 | 2249 make_magic_eval_data (void) |
| 934 | 2250 { |
| 2251 Lisp_Magic_Eval_Data *d; | |
| 2252 | |
|
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2253 ALLOC_FROB_BLOCK_LISP_OBJECT (magic_eval_data, Lisp_Magic_Eval_Data, d, &lrecord_magic_eval_data); |
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2254 zero_nonsized_lisp_object (wrap_magic_eval_data (d)); |
| 1204 | 2255 d->object = Qnil; |
| 2256 | |
| 2257 return wrap_magic_eval_data (d); | |
| 934 | 2258 } |
| 2259 | |
| 2260 DECLARE_FIXED_TYPE_ALLOC (eval_data, Lisp_Eval_Data); | |
| 2261 #define MINIMUM_ALLOWED_FIXED_TYPE_CELLS_eval_data 1000 | |
| 2262 | |
| 2263 Lisp_Object | |
| 1204 | 2264 make_eval_data (void) |
| 934 | 2265 { |
| 2266 Lisp_Eval_Data *d; | |
| 2267 | |
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2268 ALLOC_FROB_BLOCK_LISP_OBJECT (eval_data, Lisp_Eval_Data, d, &lrecord_eval_data); |
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2269 zero_nonsized_lisp_object (wrap_eval_data (d)); |
| 1204 | 2270 d->function = Qnil; |
| 2271 d->object = Qnil; | |
| 2272 | |
| 2273 return wrap_eval_data (d); | |
| 934 | 2274 } |
| 2275 | |
| 2276 DECLARE_FIXED_TYPE_ALLOC (misc_user_data, Lisp_Misc_User_Data); | |
| 2277 #define MINIMUM_ALLOWED_FIXED_TYPE_CELLS_misc_user_data 1000 | |
| 2278 | |
| 2279 Lisp_Object | |
| 1204 | 2280 make_misc_user_data (void) |
| 934 | 2281 { |
| 2282 Lisp_Misc_User_Data *d; | |
| 2283 | |
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2284 ALLOC_FROB_BLOCK_LISP_OBJECT (misc_user_data, Lisp_Misc_User_Data, d, &lrecord_misc_user_data); |
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2285 zero_nonsized_lisp_object (wrap_misc_user_data (d)); |
| 1204 | 2286 d->function = Qnil; |
| 2287 d->object = Qnil; | |
| 2288 | |
| 2289 return wrap_misc_user_data (d); | |
| 934 | 2290 } |
| 1204 | 2291 |
| 2292 #endif /* EVENT_DATA_AS_OBJECTS */ | |
| 428 | 2293 |
| 2294 /************************************************************************/ | |
| 2295 /* Marker allocation */ | |
| 2296 /************************************************************************/ | |
| 2297 | |
| 440 | 2298 DECLARE_FIXED_TYPE_ALLOC (marker, Lisp_Marker); |
| 428 | 2299 #define MINIMUM_ALLOWED_FIXED_TYPE_CELLS_marker 1000 |
| 2300 | |
| 2301 DEFUN ("make-marker", Fmake_marker, 0, 0, 0, /* | |
| 2302 Return a new marker which does not point at any place. | |
| 2303 */ | |
| 2304 ()) | |
| 2305 { | |
| 440 | 2306 Lisp_Marker *p; |
| 2307 | |
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2308 ALLOC_FROB_BLOCK_LISP_OBJECT (marker, Lisp_Marker, p, &lrecord_marker); |
| 428 | 2309 p->buffer = 0; |
| 665 | 2310 p->membpos = 0; |
| 428 | 2311 marker_next (p) = 0; |
| 2312 marker_prev (p) = 0; | |
| 2313 p->insertion_type = 0; | |
| 793 | 2314 return wrap_marker (p); |
| 428 | 2315 } |
| 2316 | |
| 2317 Lisp_Object | |
| 2318 noseeum_make_marker (void) | |
| 2319 { | |
| 440 | 2320 Lisp_Marker *p; |
| 2321 | |
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2322 NOSEEUM_ALLOC_FROB_BLOCK_LISP_OBJECT (marker, Lisp_Marker, p, |
| 3017 | 2323 &lrecord_marker); |
| 428 | 2324 p->buffer = 0; |
| 665 | 2325 p->membpos = 0; |
| 428 | 2326 marker_next (p) = 0; |
| 2327 marker_prev (p) = 0; | |
| 2328 p->insertion_type = 0; | |
| 793 | 2329 return wrap_marker (p); |
| 428 | 2330 } |
| 2331 | |
| 2332 | |
| 2333 /************************************************************************/ | |
| 2334 /* String allocation */ | |
| 2335 /************************************************************************/ | |
| 2336 | |
| 2337 /* The data for "short" strings generally resides inside of structs of type | |
| 2338 string_chars_block. The Lisp_String structure is allocated just like any | |
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2339 other frob-block lrecord, and these are freelisted when they get garbage |
| 1204 | 2340 collected. The data for short strings get compacted, but the data for |
| 2341 large strings do not. | |
| 428 | 2342 |
| 2343 Previously Lisp_String structures were relocated, but this caused a lot | |
| 2344 of bus-errors because the C code didn't include enough GCPRO's for | |
| 2345 strings (since EVERY REFERENCE to a short string needed to be GCPRO'd so | |
| 2346 that the reference would get relocated). | |
| 2347 | |
| 2348 This new method makes things somewhat bigger, but it is MUCH safer. */ | |
| 2349 | |
| 438 | 2350 DECLARE_FIXED_TYPE_ALLOC (string, Lisp_String); |
| 428 | 2351 /* strings are used and freed quite often */ |
| 2352 /* #define MINIMUM_ALLOWED_FIXED_TYPE_CELLS_string 10000 */ | |
| 2353 #define MINIMUM_ALLOWED_FIXED_TYPE_CELLS_string 1000 | |
| 2354 | |
| 2355 static Lisp_Object | |
| 2356 mark_string (Lisp_Object obj) | |
| 2357 { | |
| 793 | 2358 if (CONSP (XSTRING_PLIST (obj)) && EXTENT_INFOP (XCAR (XSTRING_PLIST (obj)))) |
| 2359 flush_cached_extent_info (XCAR (XSTRING_PLIST (obj))); | |
| 2360 return XSTRING_PLIST (obj); | |
| 428 | 2361 } |
| 2362 | |
| 2363 static int | |
|
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2364 string_equal (Lisp_Object obj1, Lisp_Object obj2, int UNUSED (depth), |
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2365 int foldcase) |
| 428 | 2366 { |
| 2367 Bytecount len; | |
|
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2368 if (foldcase) |
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2369 return !lisp_strcasecmp_i18n (obj1, obj2); |
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2370 else |
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2371 return (((len = XSTRING_LENGTH (obj1)) == XSTRING_LENGTH (obj2)) && |
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2372 !memcmp (XSTRING_DATA (obj1), XSTRING_DATA (obj2), len)); |
| 428 | 2373 } |
| 2374 | |
| 1204 | 2375 static const struct memory_description string_description[] = { |
| 3092 | 2376 #ifdef NEW_GC |
| 2377 { XD_LISP_OBJECT, offsetof (Lisp_String, data_object) }, | |
| 2378 #else /* not NEW_GC */ | |
| 793 | 2379 { XD_BYTECOUNT, offsetof (Lisp_String, size_) }, |
| 2380 { XD_OPAQUE_DATA_PTR, offsetof (Lisp_String, data_), XD_INDIRECT(0, 1) }, | |
| 3092 | 2381 #endif /* not NEW_GC */ |
| 440 | 2382 { XD_LISP_OBJECT, offsetof (Lisp_String, plist) }, |
| 428 | 2383 { XD_END } |
| 2384 }; | |
| 2385 | |
| 442 | 2386 /* We store the string's extent info as the first element of the string's |
| 2387 property list; and the string's MODIFF as the first or second element | |
| 2388 of the string's property list (depending on whether the extent info | |
| 2389 is present), but only if the string has been modified. This is ugly | |
| 2390 but it reduces the memory allocated for the string in the vast | |
| 2391 majority of cases, where the string is never modified and has no | |
| 2392 extent info. | |
| 2393 | |
| 2394 #### This means you can't use an int as a key in a string's plist. */ | |
| 2395 | |
| 2396 static Lisp_Object * | |
| 2397 string_plist_ptr (Lisp_Object string) | |
| 2398 { | |
| 793 | 2399 Lisp_Object *ptr = &XSTRING_PLIST (string); |
| 442 | 2400 |
| 2401 if (CONSP (*ptr) && EXTENT_INFOP (XCAR (*ptr))) | |
| 2402 ptr = &XCDR (*ptr); | |
| 2403 if (CONSP (*ptr) && INTP (XCAR (*ptr))) | |
| 2404 ptr = &XCDR (*ptr); | |
| 2405 return ptr; | |
| 2406 } | |
| 2407 | |
| 2408 static Lisp_Object | |
| 2409 string_getprop (Lisp_Object string, Lisp_Object property) | |
| 2410 { | |
| 2411 return external_plist_get (string_plist_ptr (string), property, 0, ERROR_ME); | |
| 2412 } | |
| 2413 | |
| 2414 static int | |
| 2415 string_putprop (Lisp_Object string, Lisp_Object property, Lisp_Object value) | |
| 2416 { | |
| 2417 external_plist_put (string_plist_ptr (string), property, value, 0, ERROR_ME); | |
| 2418 return 1; | |
| 2419 } | |
| 2420 | |
| 2421 static int | |
| 2422 string_remprop (Lisp_Object string, Lisp_Object property) | |
| 2423 { | |
| 2424 return external_remprop (string_plist_ptr (string), property, 0, ERROR_ME); | |
| 2425 } | |
| 2426 | |
| 2427 static Lisp_Object | |
| 2428 string_plist (Lisp_Object string) | |
| 2429 { | |
| 2430 return *string_plist_ptr (string); | |
| 2431 } | |
| 2432 | |
| 3263 | 2433 #ifndef NEW_GC |
| 442 | 2434 /* No `finalize', or `hash' methods. |
| 2435 internal_hash() already knows how to hash strings and finalization | |
| 2436 is done with the ADDITIONAL_FREE_string macro, which is the | |
| 2437 standard way to do finalization when using | |
| 2438 SWEEP_FIXED_TYPE_BLOCK(). */ | |
| 2720 | 2439 |
|
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|
2440 DEFINE_DUMPABLE_FROB_BLOCK_GENERAL_LISP_OBJECT ("string", string, |
| 934 | 2441 mark_string, print_string, |
| 2442 0, string_equal, 0, | |
| 2443 string_description, | |
| 2444 string_getprop, | |
| 2445 string_putprop, | |
| 2446 string_remprop, | |
| 2447 string_plist, | |
|
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|
2448 0 /* no disksaver */, |
| 934 | 2449 Lisp_String); |
| 3263 | 2450 #endif /* not NEW_GC */ |
| 2720 | 2451 |
| 3092 | 2452 #ifdef NEW_GC |
| 2453 #define STRING_FULLSIZE(size) \ | |
| 2454 ALIGN_SIZE (FLEXIBLE_ARRAY_STRUCT_SIZEOF (Lisp_String_Direct_Data, Lisp_Object, data, (size) + 1), sizeof (Lisp_Object *)); | |
| 2455 #else /* not NEW_GC */ | |
| 428 | 2456 /* String blocks contain this many useful bytes. */ |
| 2457 #define STRING_CHARS_BLOCK_SIZE \ | |
| 814 | 2458 ((Bytecount) (8192 - MALLOC_OVERHEAD - \ |
| 2459 ((2 * sizeof (struct string_chars_block *)) \ | |
| 2460 + sizeof (EMACS_INT)))) | |
| 428 | 2461 /* Block header for small strings. */ |
| 2462 struct string_chars_block | |
| 2463 { | |
| 2464 EMACS_INT pos; | |
| 2465 struct string_chars_block *next; | |
| 2466 struct string_chars_block *prev; | |
| 2467 /* Contents of string_chars_block->string_chars are interleaved | |
| 2468 string_chars structures (see below) and the actual string data */ | |
| 2469 unsigned char string_chars[STRING_CHARS_BLOCK_SIZE]; | |
| 2470 }; | |
| 2471 | |
| 2472 static struct string_chars_block *first_string_chars_block; | |
| 2473 static struct string_chars_block *current_string_chars_block; | |
| 2474 | |
| 2475 /* If SIZE is the length of a string, this returns how many bytes | |
| 2476 * the string occupies in string_chars_block->string_chars | |
| 2477 * (including alignment padding). | |
| 2478 */ | |
| 438 | 2479 #define STRING_FULLSIZE(size) \ |
| 826 | 2480 ALIGN_FOR_TYPE (((size) + 1 + sizeof (Lisp_String *)), Lisp_String *) |
| 428 | 2481 |
| 2482 #define BIG_STRING_FULLSIZE_P(fullsize) ((fullsize) >= STRING_CHARS_BLOCK_SIZE) | |
| 2483 #define BIG_STRING_SIZE_P(size) (BIG_STRING_FULLSIZE_P (STRING_FULLSIZE(size))) | |
| 2484 | |
| 454 | 2485 #define STRING_CHARS_FREE_P(ptr) ((ptr)->string == NULL) |
| 2486 #define MARK_STRING_CHARS_AS_FREE(ptr) ((void) ((ptr)->string = NULL)) | |
| 3092 | 2487 #endif /* not NEW_GC */ |
| 454 | 2488 |
| 3263 | 2489 #ifdef NEW_GC |
|
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|
2490 DEFINE_DUMPABLE_GENERAL_LISP_OBJECT ("string", string, |
|
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|
2491 mark_string, print_string, |
|
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2492 0, |
|
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|
2493 string_equal, 0, |
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|
2494 string_description, |
|
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|
2495 string_getprop, |
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|
2496 string_putprop, |
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2497 string_remprop, |
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2498 string_plist, |
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2499 0 /* no disksaver */, |
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|
2500 Lisp_String); |
| 3092 | 2501 |
| 2502 | |
| 2503 static const struct memory_description string_direct_data_description[] = { | |
| 3514 | 2504 { XD_BYTECOUNT, offsetof (Lisp_String_Direct_Data, size) }, |
| 3092 | 2505 { XD_END } |
| 2506 }; | |
| 2507 | |
| 2508 static Bytecount | |
|
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2509 size_string_direct_data (Lisp_Object obj) |
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2510 { |
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2511 return STRING_FULLSIZE (XSTRING_DIRECT_DATA (obj)->size); |
| 3092 | 2512 } |
| 2513 | |
| 2514 | |
|
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2515 DEFINE_DUMPABLE_SIZABLE_INTERNAL_LISP_OBJECT ("string-direct-data", |
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2516 string_direct_data, |
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2517 0, |
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2518 string_direct_data_description, |
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2519 size_string_direct_data, |
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2520 Lisp_String_Direct_Data); |
| 3092 | 2521 |
| 2522 | |
| 2523 static const struct memory_description string_indirect_data_description[] = { | |
| 2524 { XD_BYTECOUNT, offsetof (Lisp_String_Indirect_Data, size) }, | |
| 2525 { XD_OPAQUE_DATA_PTR, offsetof (Lisp_String_Indirect_Data, data), | |
| 2526 XD_INDIRECT(0, 1) }, | |
| 2527 { XD_END } | |
| 2528 }; | |
| 2529 | |
|
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2530 DEFINE_DUMPABLE_INTERNAL_LISP_OBJECT ("string-indirect-data", |
|
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2531 string_indirect_data, |
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2532 0, |
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2533 string_indirect_data_description, |
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|
2534 Lisp_String_Indirect_Data); |
| 3092 | 2535 #endif /* NEW_GC */ |
| 2720 | 2536 |
| 3092 | 2537 #ifndef NEW_GC |
| 428 | 2538 struct string_chars |
| 2539 { | |
| 438 | 2540 Lisp_String *string; |
| 428 | 2541 unsigned char chars[1]; |
| 2542 }; | |
| 2543 | |
| 2544 struct unused_string_chars | |
| 2545 { | |
| 438 | 2546 Lisp_String *string; |
| 428 | 2547 EMACS_INT fullsize; |
| 2548 }; | |
| 2549 | |
| 2550 static void | |
| 2551 init_string_chars_alloc (void) | |
| 2552 { | |
| 2553 first_string_chars_block = xnew (struct string_chars_block); | |
| 2554 first_string_chars_block->prev = 0; | |
| 2555 first_string_chars_block->next = 0; | |
| 2556 first_string_chars_block->pos = 0; | |
| 2557 current_string_chars_block = first_string_chars_block; | |
| 2558 } | |
| 2559 | |
| 1550 | 2560 static Ibyte * |
| 2561 allocate_big_string_chars (Bytecount length) | |
| 2562 { | |
| 2563 Ibyte *p = xnew_array (Ibyte, length); | |
| 2564 INCREMENT_CONS_COUNTER (length, "string chars"); | |
| 2565 return p; | |
| 2566 } | |
| 2567 | |
| 428 | 2568 static struct string_chars * |
| 793 | 2569 allocate_string_chars_struct (Lisp_Object string_it_goes_with, |
| 814 | 2570 Bytecount fullsize) |
| 428 | 2571 { |
| 2572 struct string_chars *s_chars; | |
| 2573 | |
| 438 | 2574 if (fullsize <= |
| 2575 (countof (current_string_chars_block->string_chars) | |
| 2576 - current_string_chars_block->pos)) | |
| 428 | 2577 { |
| 2578 /* This string can fit in the current string chars block */ | |
| 2579 s_chars = (struct string_chars *) | |
| 2580 (current_string_chars_block->string_chars | |
| 2581 + current_string_chars_block->pos); | |
| 2582 current_string_chars_block->pos += fullsize; | |
| 2583 } | |
| 2584 else | |
| 2585 { | |
| 2586 /* Make a new current string chars block */ | |
| 2587 struct string_chars_block *new_scb = xnew (struct string_chars_block); | |
| 2588 | |
| 2589 current_string_chars_block->next = new_scb; | |
| 2590 new_scb->prev = current_string_chars_block; | |
| 2591 new_scb->next = 0; | |
| 2592 current_string_chars_block = new_scb; | |
| 2593 new_scb->pos = fullsize; | |
| 2594 s_chars = (struct string_chars *) | |
| 2595 current_string_chars_block->string_chars; | |
| 2596 } | |
| 2597 | |
| 793 | 2598 s_chars->string = XSTRING (string_it_goes_with); |
| 428 | 2599 |
| 2600 INCREMENT_CONS_COUNTER (fullsize, "string chars"); | |
| 2601 | |
| 2602 return s_chars; | |
| 2603 } | |
| 3092 | 2604 #endif /* not NEW_GC */ |
| 428 | 2605 |
| 771 | 2606 #ifdef SLEDGEHAMMER_CHECK_ASCII_BEGIN |
| 2607 void | |
| 2608 sledgehammer_check_ascii_begin (Lisp_Object str) | |
| 2609 { | |
| 2610 Bytecount i; | |
| 2611 | |
| 2612 for (i = 0; i < XSTRING_LENGTH (str); i++) | |
| 2613 { | |
| 826 | 2614 if (!byte_ascii_p (string_byte (str, i))) |
| 771 | 2615 break; |
| 2616 } | |
| 2617 | |
| 2618 assert (i == (Bytecount) XSTRING_ASCII_BEGIN (str) || | |
| 2619 (i > MAX_STRING_ASCII_BEGIN && | |
| 2620 (Bytecount) XSTRING_ASCII_BEGIN (str) == | |
| 2621 (Bytecount) MAX_STRING_ASCII_BEGIN)); | |
| 2622 } | |
| 2623 #endif | |
| 2624 | |
| 2625 /* You do NOT want to be calling this! (And if you do, you must call | |
| 851 | 2626 XSET_STRING_ASCII_BEGIN() after modifying the string.) Use ALLOCA () |
| 771 | 2627 instead and then call make_string() like the rest of the world. */ |
| 2628 | |
| 428 | 2629 Lisp_Object |
| 2630 make_uninit_string (Bytecount length) | |
| 2631 { | |
| 438 | 2632 Lisp_String *s; |
| 814 | 2633 Bytecount fullsize = STRING_FULLSIZE (length); |
| 428 | 2634 |
| 438 | 2635 assert (length >= 0 && fullsize > 0); |
| 428 | 2636 |
| 3263 | 2637 #ifdef NEW_GC |
|
5127
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Ben Wing <ben@xemacs.org>
parents:
5126
diff
changeset
|
2638 s = XSTRING (ALLOC_NORMAL_LISP_OBJECT (string)); |
| 3263 | 2639 #else /* not NEW_GC */ |
| 428 | 2640 /* Allocate the string header */ |
| 438 | 2641 ALLOCATE_FIXED_TYPE (string, Lisp_String, s); |
| 793 | 2642 xzero (*s); |
| 771 | 2643 set_lheader_implementation (&s->u.lheader, &lrecord_string); |
| 3263 | 2644 #endif /* not NEW_GC */ |
| 2720 | 2645 |
| 3063 | 2646 /* The above allocations set the UID field, which overlaps with the |
| 2647 ascii-length field, to some non-zero value. We need to zero it. */ | |
| 2648 XSET_STRING_ASCII_BEGIN (wrap_string (s), 0); | |
| 2649 | |
| 3092 | 2650 #ifdef NEW_GC |
| 3304 | 2651 set_lispstringp_direct (s); |
| 3092 | 2652 STRING_DATA_OBJECT (s) = |
|
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Ben Wing <ben@xemacs.org>
diff
changeset
|
2653 alloc_sized_lrecord (fullsize, &lrecord_string_direct_data); |
| 3092 | 2654 #else /* not NEW_GC */ |
| 826 | 2655 set_lispstringp_data (s, BIG_STRING_FULLSIZE_P (fullsize) |
| 2720 | 2656 ? allocate_big_string_chars (length + 1) |
| 2657 : allocate_string_chars_struct (wrap_string (s), | |
| 2658 fullsize)->chars); | |
| 3092 | 2659 #endif /* not NEW_GC */ |
| 438 | 2660 |
| 826 | 2661 set_lispstringp_length (s, length); |
| 428 | 2662 s->plist = Qnil; |
| 793 | 2663 set_string_byte (wrap_string (s), length, 0); |
| 2664 | |
| 2665 return wrap_string (s); | |
| 428 | 2666 } |
| 2667 | |
| 2668 #ifdef VERIFY_STRING_CHARS_INTEGRITY | |
| 2669 static void verify_string_chars_integrity (void); | |
| 2670 #endif | |
| 2671 | |
| 2672 /* Resize the string S so that DELTA bytes can be inserted starting | |
| 2673 at POS. If DELTA < 0, it means deletion starting at POS. If | |
| 2674 POS < 0, resize the string but don't copy any characters. Use | |
| 2675 this if you're planning on completely overwriting the string. | |
| 2676 */ | |
| 2677 | |
| 2678 void | |
| 793 | 2679 resize_string (Lisp_Object s, Bytecount pos, Bytecount delta) |
| 428 | 2680 { |
| 3092 | 2681 #ifdef NEW_GC |
| 2682 Bytecount newfullsize, len; | |
| 2683 #else /* not NEW_GC */ | |
| 438 | 2684 Bytecount oldfullsize, newfullsize; |
| 3092 | 2685 #endif /* not NEW_GC */ |
| 428 | 2686 #ifdef VERIFY_STRING_CHARS_INTEGRITY |
| 2687 verify_string_chars_integrity (); | |
| 2688 #endif | |
| 800 | 2689 #ifdef ERROR_CHECK_TEXT |
| 428 | 2690 if (pos >= 0) |
| 2691 { | |
| 793 | 2692 assert (pos <= XSTRING_LENGTH (s)); |
| 428 | 2693 if (delta < 0) |
| 793 | 2694 assert (pos + (-delta) <= XSTRING_LENGTH (s)); |
| 428 | 2695 } |
| 2696 else | |
| 2697 { | |
| 2698 if (delta < 0) | |
| 793 | 2699 assert ((-delta) <= XSTRING_LENGTH (s)); |
| 428 | 2700 } |
| 800 | 2701 #endif /* ERROR_CHECK_TEXT */ |
| 428 | 2702 |
| 2703 if (delta == 0) | |
| 2704 /* simplest case: no size change. */ | |
| 2705 return; | |
| 438 | 2706 |
| 2707 if (pos >= 0 && delta < 0) | |
| 2708 /* If DELTA < 0, the functions below will delete the characters | |
| 2709 before POS. We want to delete characters *after* POS, however, | |
| 2710 so convert this to the appropriate form. */ | |
| 2711 pos += -delta; | |
| 2712 | |
| 3092 | 2713 #ifdef NEW_GC |
| 2714 newfullsize = STRING_FULLSIZE (XSTRING_LENGTH (s) + delta); | |
| 2715 | |
| 2716 len = XSTRING_LENGTH (s) + 1 - pos; | |
| 2717 | |
| 2718 if (delta < 0 && pos >= 0) | |
| 2719 memmove (XSTRING_DATA (s) + pos + delta, | |
| 2720 XSTRING_DATA (s) + pos, len); | |
| 2721 | |
| 2722 XSTRING_DATA_OBJECT (s) = | |
| 2723 wrap_string_direct_data (mc_realloc (XPNTR (XSTRING_DATA_OBJECT (s)), | |
| 2724 newfullsize)); | |
| 2725 if (delta > 0 && pos >= 0) | |
| 2726 memmove (XSTRING_DATA (s) + pos + delta, XSTRING_DATA (s) + pos, | |
| 2727 len); | |
| 2728 | |
| 3263 | 2729 #else /* not NEW_GC */ |
| 793 | 2730 oldfullsize = STRING_FULLSIZE (XSTRING_LENGTH (s)); |
| 2731 newfullsize = STRING_FULLSIZE (XSTRING_LENGTH (s) + delta); | |
| 438 | 2732 |
| 2733 if (BIG_STRING_FULLSIZE_P (oldfullsize)) | |
| 428 | 2734 { |
| 438 | 2735 if (BIG_STRING_FULLSIZE_P (newfullsize)) |
| 428 | 2736 { |
| 440 | 2737 /* Both strings are big. We can just realloc(). |
| 2738 But careful! If the string is shrinking, we have to | |
| 2739 memmove() _before_ realloc(), and if growing, we have to | |
| 2740 memmove() _after_ realloc() - otherwise the access is | |
| 2741 illegal, and we might crash. */ | |
| 793 | 2742 Bytecount len = XSTRING_LENGTH (s) + 1 - pos; |
| 440 | 2743 |
| 2744 if (delta < 0 && pos >= 0) | |
| 793 | 2745 memmove (XSTRING_DATA (s) + pos + delta, |
| 2746 XSTRING_DATA (s) + pos, len); | |
| 2747 XSET_STRING_DATA | |
| 867 | 2748 (s, (Ibyte *) xrealloc (XSTRING_DATA (s), |
| 793 | 2749 XSTRING_LENGTH (s) + delta + 1)); |
| 440 | 2750 if (delta > 0 && pos >= 0) |
| 793 | 2751 memmove (XSTRING_DATA (s) + pos + delta, XSTRING_DATA (s) + pos, |
| 2752 len); | |
| 1550 | 2753 /* Bump the cons counter. |
| 2754 Conservative; Martin let the increment be delta. */ | |
| 2755 INCREMENT_CONS_COUNTER (newfullsize, "string chars"); | |
| 428 | 2756 } |
| 438 | 2757 else /* String has been demoted from BIG_STRING. */ |
| 428 | 2758 { |
| 867 | 2759 Ibyte *new_data = |
| 438 | 2760 allocate_string_chars_struct (s, newfullsize)->chars; |
| 867 | 2761 Ibyte *old_data = XSTRING_DATA (s); |
| 438 | 2762 |
| 2763 if (pos >= 0) | |
| 2764 { | |
| 2765 memcpy (new_data, old_data, pos); | |
| 2766 memcpy (new_data + pos + delta, old_data + pos, | |
| 793 | 2767 XSTRING_LENGTH (s) + 1 - pos); |
| 438 | 2768 } |
| 793 | 2769 XSET_STRING_DATA (s, new_data); |
|
4976
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Ben Wing <ben@xemacs.org>
parents:
4969
diff
changeset
|
2770 xfree (old_data); |
| 438 | 2771 } |
| 2772 } | |
| 2773 else /* old string is small */ | |
| 2774 { | |
| 2775 if (oldfullsize == newfullsize) | |
| 2776 { | |
| 2777 /* special case; size change but the necessary | |
| 2778 allocation size won't change (up or down; code | |
| 2779 somewhere depends on there not being any unused | |
| 2780 allocation space, modulo any alignment | |
| 2781 constraints). */ | |
| 428 | 2782 if (pos >= 0) |
| 2783 { | |
| 867 | 2784 Ibyte *addroff = pos + XSTRING_DATA (s); |
| 428 | 2785 |
| 2786 memmove (addroff + delta, addroff, | |
| 2787 /* +1 due to zero-termination. */ | |
| 793 | 2788 XSTRING_LENGTH (s) + 1 - pos); |
| 428 | 2789 } |
| 2790 } | |
| 2791 else | |
| 2792 { | |
| 867 | 2793 Ibyte *old_data = XSTRING_DATA (s); |
| 2794 Ibyte *new_data = | |
| 438 | 2795 BIG_STRING_FULLSIZE_P (newfullsize) |
| 1550 | 2796 ? allocate_big_string_chars (XSTRING_LENGTH (s) + delta + 1) |
| 438 | 2797 : allocate_string_chars_struct (s, newfullsize)->chars; |
| 2798 | |
| 428 | 2799 if (pos >= 0) |
| 2800 { | |
| 438 | 2801 memcpy (new_data, old_data, pos); |
| 2802 memcpy (new_data + pos + delta, old_data + pos, | |
| 793 | 2803 XSTRING_LENGTH (s) + 1 - pos); |
| 428 | 2804 } |
| 793 | 2805 XSET_STRING_DATA (s, new_data); |
| 438 | 2806 |
|
4776
73e8632018ad
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Aidan Kehoe <kehoea@parhasard.net>
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4735
diff
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|
2807 if (!DUMPEDP (old_data)) /* Can't free dumped data. */ |
|
73e8632018ad
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Aidan Kehoe <kehoea@parhasard.net>
parents:
4735
diff
changeset
|
2808 { |
|
73e8632018ad
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parents:
4735
diff
changeset
|
2809 /* We need to mark this chunk of the string_chars_block |
|
73e8632018ad
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Aidan Kehoe <kehoea@parhasard.net>
parents:
4735
diff
changeset
|
2810 as unused so that compact_string_chars() doesn't |
|
73e8632018ad
Don't attempt to free dumped data, alloc.c:resize_string()
Aidan Kehoe <kehoea@parhasard.net>
parents:
4735
diff
changeset
|
2811 freak. */ |
|
73e8632018ad
Don't attempt to free dumped data, alloc.c:resize_string()
Aidan Kehoe <kehoea@parhasard.net>
parents:
4735
diff
changeset
|
2812 struct string_chars *old_s_chars = (struct string_chars *) |
|
73e8632018ad
Don't attempt to free dumped data, alloc.c:resize_string()
Aidan Kehoe <kehoea@parhasard.net>
parents:
4735
diff
changeset
|
2813 ((char *) old_data - offsetof (struct string_chars, chars)); |
|
73e8632018ad
Don't attempt to free dumped data, alloc.c:resize_string()
Aidan Kehoe <kehoea@parhasard.net>
parents:
4735
diff
changeset
|
2814 /* Sanity check to make sure we aren't hosed by strange |
|
73e8632018ad
Don't attempt to free dumped data, alloc.c:resize_string()
Aidan Kehoe <kehoea@parhasard.net>
parents:
4735
diff
changeset
|
2815 alignment/padding. */ |
|
73e8632018ad
Don't attempt to free dumped data, alloc.c:resize_string()
Aidan Kehoe <kehoea@parhasard.net>
parents:
4735
diff
changeset
|
2816 assert (old_s_chars->string == XSTRING (s)); |
|
73e8632018ad
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Aidan Kehoe <kehoea@parhasard.net>
parents:
4735
diff
changeset
|
2817 MARK_STRING_CHARS_AS_FREE (old_s_chars); |
|
73e8632018ad
Don't attempt to free dumped data, alloc.c:resize_string()
Aidan Kehoe <kehoea@parhasard.net>
parents:
4735
diff
changeset
|
2818 ((struct unused_string_chars *) old_s_chars)->fullsize = |
|
73e8632018ad
Don't attempt to free dumped data, alloc.c:resize_string()
Aidan Kehoe <kehoea@parhasard.net>
parents:
4735
diff
changeset
|
2819 oldfullsize; |
|
73e8632018ad
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Aidan Kehoe <kehoea@parhasard.net>
parents:
4735
diff
changeset
|
2820 } |
| 428 | 2821 } |
| 438 | 2822 } |
| 3092 | 2823 #endif /* not NEW_GC */ |
| 438 | 2824 |
| 793 | 2825 XSET_STRING_LENGTH (s, XSTRING_LENGTH (s) + delta); |
| 438 | 2826 /* If pos < 0, the string won't be zero-terminated. |
| 2827 Terminate now just to make sure. */ | |
| 793 | 2828 XSTRING_DATA (s)[XSTRING_LENGTH (s)] = '\0'; |
| 438 | 2829 |
| 2830 if (pos >= 0) | |
| 793 | 2831 /* We also have to adjust all of the extent indices after the |
| 2832 place we did the change. We say "pos - 1" because | |
| 2833 adjust_extents() is exclusive of the starting position | |
| 2834 passed to it. */ | |
| 2835 adjust_extents (s, pos - 1, XSTRING_LENGTH (s), delta); | |
| 428 | 2836 |
| 2837 #ifdef VERIFY_STRING_CHARS_INTEGRITY | |
| 2838 verify_string_chars_integrity (); | |
| 2839 #endif | |
| 2840 } | |
| 2841 | |
| 2842 #ifdef MULE | |
| 2843 | |
| 771 | 2844 /* WARNING: If you modify an existing string, you must call |
| 2845 CHECK_LISP_WRITEABLE() before and bump_string_modiff() afterwards. */ | |
| 428 | 2846 void |
| 867 | 2847 set_string_char (Lisp_Object s, Charcount i, Ichar c) |
| 428 | 2848 { |
| 867 | 2849 Ibyte newstr[MAX_ICHAR_LEN]; |
| 771 | 2850 Bytecount bytoff = string_index_char_to_byte (s, i); |
| 867 | 2851 Bytecount oldlen = itext_ichar_len (XSTRING_DATA (s) + bytoff); |
| 2852 Bytecount newlen = set_itext_ichar (newstr, c); | |
| 428 | 2853 |
| 793 | 2854 sledgehammer_check_ascii_begin (s); |
| 428 | 2855 if (oldlen != newlen) |
| 2856 resize_string (s, bytoff, newlen - oldlen); | |
| 793 | 2857 /* Remember, XSTRING_DATA (s) might have changed so we can't cache it. */ |
| 2858 memcpy (XSTRING_DATA (s) + bytoff, newstr, newlen); | |
| 771 | 2859 if (oldlen != newlen) |
| 2860 { | |
| 793 | 2861 if (newlen > 1 && i <= (Charcount) XSTRING_ASCII_BEGIN (s)) |
| 771 | 2862 /* Everything starting with the new char is no longer part of |
| 2863 ascii_begin */ | |
| 793 | 2864 XSET_STRING_ASCII_BEGIN (s, i); |
| 2865 else if (newlen == 1 && i == (Charcount) XSTRING_ASCII_BEGIN (s)) | |
| 771 | 2866 /* We've extended ascii_begin, and we have to figure out how much by */ |
| 2867 { | |
| 2868 Bytecount j; | |
| 814 | 2869 for (j = (Bytecount) i + 1; j < XSTRING_LENGTH (s); j++) |
| 771 | 2870 { |
| 826 | 2871 if (!byte_ascii_p (XSTRING_DATA (s)[j])) |
| 771 | 2872 break; |
| 2873 } | |
| 814 | 2874 XSET_STRING_ASCII_BEGIN (s, min (j, (Bytecount) MAX_STRING_ASCII_BEGIN)); |
| 771 | 2875 } |
| 2876 } | |
| 793 | 2877 sledgehammer_check_ascii_begin (s); |
| 428 | 2878 } |
| 2879 | |
| 2880 #endif /* MULE */ | |
| 2881 | |
| 2882 DEFUN ("make-string", Fmake_string, 2, 2, 0, /* | |
| 444 | 2883 Return a new string consisting of LENGTH copies of CHARACTER. |
| 2884 LENGTH must be a non-negative integer. | |
| 428 | 2885 */ |
| 444 | 2886 (length, character)) |
| 428 | 2887 { |
| 2888 CHECK_NATNUM (length); | |
| 444 | 2889 CHECK_CHAR_COERCE_INT (character); |
| 428 | 2890 { |
| 867 | 2891 Ibyte init_str[MAX_ICHAR_LEN]; |
| 2892 int len = set_itext_ichar (init_str, XCHAR (character)); | |
| 428 | 2893 Lisp_Object val = make_uninit_string (len * XINT (length)); |
| 2894 | |
| 2895 if (len == 1) | |
| 771 | 2896 { |
| 2897 /* Optimize the single-byte case */ | |
| 2898 memset (XSTRING_DATA (val), XCHAR (character), XSTRING_LENGTH (val)); | |
| 793 | 2899 XSET_STRING_ASCII_BEGIN (val, min (MAX_STRING_ASCII_BEGIN, |
| 2900 len * XINT (length))); | |
| 771 | 2901 } |
| 428 | 2902 else |
| 2903 { | |
| 647 | 2904 EMACS_INT i; |
| 867 | 2905 Ibyte *ptr = XSTRING_DATA (val); |
| 428 | 2906 |
| 2907 for (i = XINT (length); i; i--) | |
| 2908 { | |
| 867 | 2909 Ibyte *init_ptr = init_str; |
| 428 | 2910 switch (len) |
| 2911 { | |
| 2912 case 4: *ptr++ = *init_ptr++; | |
| 2913 case 3: *ptr++ = *init_ptr++; | |
| 2914 case 2: *ptr++ = *init_ptr++; | |
| 2915 case 1: *ptr++ = *init_ptr++; | |
| 2916 } | |
| 2917 } | |
| 2918 } | |
| 771 | 2919 sledgehammer_check_ascii_begin (val); |
| 428 | 2920 return val; |
| 2921 } | |
| 2922 } | |
| 2923 | |
| 2924 DEFUN ("string", Fstring, 0, MANY, 0, /* | |
| 2925 Concatenate all the argument characters and make the result a string. | |
|
4693
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
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3514
diff
changeset
|
2926 |
|
80cd90837ac5
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Aidan Kehoe <kehoea@parhasard.net>
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3514
diff
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|
2927 arguments: (&rest ARGS) |
| 428 | 2928 */ |
| 2929 (int nargs, Lisp_Object *args)) | |
| 2930 { | |
| 2367 | 2931 Ibyte *storage = alloca_ibytes (nargs * MAX_ICHAR_LEN); |
| 867 | 2932 Ibyte *p = storage; |
| 428 | 2933 |
| 2934 for (; nargs; nargs--, args++) | |
| 2935 { | |
| 2936 Lisp_Object lisp_char = *args; | |
| 2937 CHECK_CHAR_COERCE_INT (lisp_char); | |
| 867 | 2938 p += set_itext_ichar (p, XCHAR (lisp_char)); |
| 428 | 2939 } |
| 2940 return make_string (storage, p - storage); | |
| 2941 } | |
| 2942 | |
| 771 | 2943 /* Initialize the ascii_begin member of a string to the correct value. */ |
| 2944 | |
| 2945 void | |
| 2946 init_string_ascii_begin (Lisp_Object string) | |
| 2947 { | |
| 2948 #ifdef MULE | |
| 2949 int i; | |
| 2950 Bytecount length = XSTRING_LENGTH (string); | |
| 867 | 2951 Ibyte *contents = XSTRING_DATA (string); |
| 771 | 2952 |
| 2953 for (i = 0; i < length; i++) | |
| 2954 { | |
| 826 | 2955 if (!byte_ascii_p (contents[i])) |
| 771 | 2956 break; |
| 2957 } | |
| 793 | 2958 XSET_STRING_ASCII_BEGIN (string, min (i, MAX_STRING_ASCII_BEGIN)); |
| 771 | 2959 #else |
| 793 | 2960 XSET_STRING_ASCII_BEGIN (string, min (XSTRING_LENGTH (string), |
| 2961 MAX_STRING_ASCII_BEGIN)); | |
| 771 | 2962 #endif |
| 2963 sledgehammer_check_ascii_begin (string); | |
| 2964 } | |
| 428 | 2965 |
| 2966 /* Take some raw memory, which MUST already be in internal format, | |
| 2967 and package it up into a Lisp string. */ | |
| 2968 Lisp_Object | |
| 867 | 2969 make_string (const Ibyte *contents, Bytecount length) |
| 428 | 2970 { |
| 2971 Lisp_Object val; | |
| 2972 | |
| 2973 /* Make sure we find out about bad make_string's when they happen */ | |
| 800 | 2974 #if defined (ERROR_CHECK_TEXT) && defined (MULE) |
| 428 | 2975 bytecount_to_charcount (contents, length); /* Just for the assertions */ |
| 2976 #endif | |
| 2977 | |
| 2978 val = make_uninit_string (length); | |
| 2979 memcpy (XSTRING_DATA (val), contents, length); | |
| 771 | 2980 init_string_ascii_begin (val); |
| 2981 sledgehammer_check_ascii_begin (val); | |
| 428 | 2982 return val; |
| 2983 } | |
| 2984 | |
| 2985 /* Take some raw memory, encoded in some external data format, | |
| 2986 and convert it into a Lisp string. */ | |
| 2987 Lisp_Object | |
|
4953
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
4952
diff
changeset
|
2988 make_extstring (const Extbyte *contents, EMACS_INT length, |
| 440 | 2989 Lisp_Object coding_system) |
| 428 | 2990 { |
| 440 | 2991 Lisp_Object string; |
| 2992 TO_INTERNAL_FORMAT (DATA, (contents, length), | |
| 2993 LISP_STRING, string, | |
| 2994 coding_system); | |
| 2995 return string; | |
| 428 | 2996 } |
| 2997 | |
| 2998 Lisp_Object | |
|
4953
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
4952
diff
changeset
|
2999 build_istring (const Ibyte *str) |
| 771 | 3000 { |
| 3001 /* Some strlen's crash and burn if passed null. */ | |
| 814 | 3002 return make_string (str, (str ? qxestrlen (str) : (Bytecount) 0)); |
| 771 | 3003 } |
| 3004 | |
| 3005 Lisp_Object | |
|
4953
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
4952
diff
changeset
|
3006 build_cistring (const CIbyte *str) |
|
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
4952
diff
changeset
|
3007 { |
|
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
4952
diff
changeset
|
3008 return build_istring ((const Ibyte *) str); |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3009 } |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3010 |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3011 Lisp_Object |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3012 build_ascstring (const Ascbyte *str) |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3013 { |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3014 ASSERT_ASCTEXT_ASCII (str); |
|
4953
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
4952
diff
changeset
|
3015 return build_istring ((const Ibyte *) str); |
| 428 | 3016 } |
| 3017 | |
| 3018 Lisp_Object | |
|
4953
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
4952
diff
changeset
|
3019 build_extstring (const Extbyte *str, Lisp_Object coding_system) |
| 428 | 3020 { |
| 3021 /* Some strlen's crash and burn if passed null. */ | |
|
4953
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
4952
diff
changeset
|
3022 return make_extstring ((const Extbyte *) str, |
| 2367 | 3023 (str ? dfc_external_data_len (str, coding_system) : |
| 3024 0), | |
| 440 | 3025 coding_system); |
| 428 | 3026 } |
| 3027 | |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3028 /* Build a string whose content is a translatable message, and translate |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3029 the message according to the current language environment. */ |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3030 |
| 428 | 3031 Lisp_Object |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3032 build_msg_istring (const Ibyte *str) |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3033 { |
|
4953
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
4952
diff
changeset
|
3034 return build_istring (IGETTEXT (str)); |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3035 } |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3036 |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3037 /* Build a string whose content is a translatable message, and translate |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3038 the message according to the current language environment. */ |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3039 |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3040 Lisp_Object |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3041 build_msg_cistring (const CIbyte *str) |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3042 { |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3043 return build_msg_istring ((const Ibyte *) str); |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3044 } |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3045 |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3046 /* Build a string whose content is a translatable message, and translate |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3047 the message according to the current language environment. |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3048 String must be pure-ASCII, and when compiled with error-checking, |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3049 an abort will have if not pure-ASCII. */ |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3050 |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3051 Lisp_Object |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3052 build_msg_ascstring (const Ascbyte *str) |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3053 { |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3054 ASSERT_ASCTEXT_ASCII (str); |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3055 return build_msg_istring ((const Ibyte *) str); |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3056 } |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3057 |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3058 /* Build a string whose content is a translatable message, but don't |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3059 translate the message immediately. Perhaps do something else instead, |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3060 such as put a property on the string indicating that it needs to be |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3061 translated. |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3062 |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3063 This is useful for strings that are built at dump time or init time, |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3064 rather than on-the-fly when the current language environment is set |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3065 properly. */ |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3066 |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3067 Lisp_Object |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3068 build_defer_istring (const Ibyte *str) |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3069 { |
|
4953
304aebb79cd3
function renamings to track names of char typedefs
Ben Wing <ben@xemacs.org>
parents:
4952
diff
changeset
|
3070 Lisp_Object retval = build_istring ((Ibyte *) str); |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3071 /* Possibly do something to the return value */ |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3072 return retval; |
| 771 | 3073 } |
| 3074 | |
| 428 | 3075 Lisp_Object |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3076 build_defer_cistring (const CIbyte *str) |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3077 { |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3078 return build_defer_istring ((Ibyte *) str); |
| 771 | 3079 } |
| 3080 | |
| 3081 Lisp_Object | |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3082 build_defer_ascstring (const Ascbyte *str) |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3083 { |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3084 ASSERT_ASCTEXT_ASCII (str); |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3085 return build_defer_istring ((Ibyte *) str); |
| 428 | 3086 } |
| 3087 | |
| 3088 Lisp_Object | |
| 867 | 3089 make_string_nocopy (const Ibyte *contents, Bytecount length) |
| 428 | 3090 { |
| 438 | 3091 Lisp_String *s; |
| 428 | 3092 Lisp_Object val; |
| 3093 | |
| 3094 /* Make sure we find out about bad make_string_nocopy's when they happen */ | |
| 800 | 3095 #if defined (ERROR_CHECK_TEXT) && defined (MULE) |
| 428 | 3096 bytecount_to_charcount (contents, length); /* Just for the assertions */ |
| 3097 #endif | |
| 3098 | |
| 3263 | 3099 #ifdef NEW_GC |
|
5127
a9c41067dd88
more cleanups, terminology clarification, lots of doc work
Ben Wing <ben@xemacs.org>
parents:
5126
diff
changeset
|
3100 s = XSTRING (ALLOC_NORMAL_LISP_OBJECT (string)); |
| 2720 | 3101 mcpro (wrap_pointer_1 (s)); /* otherwise nocopy_strings get |
| 3102 collected and static data is tried to | |
| 3103 be freed. */ | |
| 3263 | 3104 #else /* not NEW_GC */ |
| 428 | 3105 /* Allocate the string header */ |
| 438 | 3106 ALLOCATE_FIXED_TYPE (string, Lisp_String, s); |
| 771 | 3107 set_lheader_implementation (&s->u.lheader, &lrecord_string); |
| 3108 SET_C_READONLY_RECORD_HEADER (&s->u.lheader); | |
| 3263 | 3109 #endif /* not NEW_GC */ |
| 3063 | 3110 /* Don't need to XSET_STRING_ASCII_BEGIN() here because it happens in |
| 3111 init_string_ascii_begin(). */ | |
| 428 | 3112 s->plist = Qnil; |
| 3092 | 3113 #ifdef NEW_GC |
| 3114 set_lispstringp_indirect (s); | |
|
5127
a9c41067dd88
more cleanups, terminology clarification, lots of doc work
Ben Wing <ben@xemacs.org>
parents:
5126
diff
changeset
|
3115 STRING_DATA_OBJECT (s) = ALLOC_NORMAL_LISP_OBJECT (string_indirect_data); |
| 3092 | 3116 XSTRING_INDIRECT_DATA_DATA (STRING_DATA_OBJECT (s)) = (Ibyte *) contents; |
| 3117 XSTRING_INDIRECT_DATA_SIZE (STRING_DATA_OBJECT (s)) = length; | |
| 3118 #else /* not NEW_GC */ | |
| 867 | 3119 set_lispstringp_data (s, (Ibyte *) contents); |
| 826 | 3120 set_lispstringp_length (s, length); |
| 3092 | 3121 #endif /* not NEW_GC */ |
| 793 | 3122 val = wrap_string (s); |
| 771 | 3123 init_string_ascii_begin (val); |
| 3124 sledgehammer_check_ascii_begin (val); | |
| 3125 | |
| 428 | 3126 return val; |
| 3127 } | |
| 3128 | |
| 3129 | |
| 3263 | 3130 #ifndef NEW_GC |
| 428 | 3131 /************************************************************************/ |
| 3132 /* lcrecord lists */ | |
| 3133 /************************************************************************/ | |
| 3134 | |
| 3135 /* Lcrecord lists are used to manage the allocation of particular | |
|
5127
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more cleanups, terminology clarification, lots of doc work
Ben Wing <ben@xemacs.org>
parents:
5126
diff
changeset
|
3136 sorts of lcrecords, to avoid calling ALLOC_NORMAL_LISP_OBJECT() (and thus |
| 428 | 3137 malloc() and garbage-collection junk) as much as possible. |
| 3138 It is similar to the Blocktype class. | |
| 3139 | |
| 1204 | 3140 See detailed comment in lcrecord.h. |
| 3141 */ | |
| 3142 | |
| 3143 const struct memory_description free_description[] = { | |
| 2551 | 3144 { XD_LISP_OBJECT, offsetof (struct free_lcrecord_header, chain), 0, { 0 }, |
| 1204 | 3145 XD_FLAG_FREE_LISP_OBJECT }, |
| 3146 { XD_END } | |
| 3147 }; | |
| 3148 | |
|
5118
e0db3c197671
merge up to latest default branch, doesn't compile yet
Ben Wing <ben@xemacs.org>
diff
changeset
|
3149 DEFINE_NODUMP_INTERNAL_LISP_OBJECT ("free", free, 0, free_description, |
|
e0db3c197671
merge up to latest default branch, doesn't compile yet
Ben Wing <ben@xemacs.org>
diff
changeset
|
3150 struct free_lcrecord_header); |
| 1204 | 3151 |
| 3152 const struct memory_description lcrecord_list_description[] = { | |
| 2551 | 3153 { XD_LISP_OBJECT, offsetof (struct lcrecord_list, free), 0, { 0 }, |
| 1204 | 3154 XD_FLAG_FREE_LISP_OBJECT }, |
| 3155 { XD_END } | |
| 3156 }; | |
| 428 | 3157 |
| 3158 static Lisp_Object | |
| 3159 mark_lcrecord_list (Lisp_Object obj) | |
| 3160 { | |
| 3161 struct lcrecord_list *list = XLCRECORD_LIST (obj); | |
| 3162 Lisp_Object chain = list->free; | |
| 3163 | |
| 3164 while (!NILP (chain)) | |
| 3165 { | |
| 3166 struct lrecord_header *lheader = XRECORD_LHEADER (chain); | |
| 3167 struct free_lcrecord_header *free_header = | |
| 3168 (struct free_lcrecord_header *) lheader; | |
| 3169 | |
| 442 | 3170 gc_checking_assert |
| 3171 (/* There should be no other pointers to the free list. */ | |
| 3172 ! MARKED_RECORD_HEADER_P (lheader) | |
| 3173 && | |
| 3174 /* Only lcrecords should be here. */ | |
|
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more cleanups, terminology clarification, lots of doc work
Ben Wing <ben@xemacs.org>
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5126
diff
changeset
|
3175 ! list->implementation->frob_block_p |
| 442 | 3176 && |
| 3177 /* Only free lcrecords should be here. */ | |
| 3178 free_header->lcheader.free | |
| 3179 && | |
| 3180 /* The type of the lcrecord must be right. */ | |
| 1204 | 3181 lheader->type == lrecord_type_free |
| 442 | 3182 && |
| 3183 /* So must the size. */ | |
| 1204 | 3184 (list->implementation->static_size == 0 || |
| 3185 list->implementation->static_size == list->size) | |
| 442 | 3186 ); |
| 428 | 3187 |
| 3188 MARK_RECORD_HEADER (lheader); | |
| 3189 chain = free_header->chain; | |
| 3190 } | |
| 3191 | |
| 3192 return Qnil; | |
| 3193 } | |
| 3194 | |
|
5118
e0db3c197671
merge up to latest default branch, doesn't compile yet
Ben Wing <ben@xemacs.org>
diff
changeset
|
3195 DEFINE_NODUMP_INTERNAL_LISP_OBJECT ("lcrecord-list", lcrecord_list, |
|
e0db3c197671
merge up to latest default branch, doesn't compile yet
Ben Wing <ben@xemacs.org>
diff
changeset
|
3196 mark_lcrecord_list, |
|
e0db3c197671
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Ben Wing <ben@xemacs.org>
diff
changeset
|
3197 lcrecord_list_description, |
|
e0db3c197671
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diff
changeset
|
3198 struct lcrecord_list); |
| 934 | 3199 |
| 428 | 3200 Lisp_Object |
| 665 | 3201 make_lcrecord_list (Elemcount size, |
| 442 | 3202 const struct lrecord_implementation *implementation) |
| 428 | 3203 { |
|
5124
623d57b7fbe8
separate regular and disksave finalization, print method fixes.
Ben Wing <ben@xemacs.org>
parents:
5120
diff
changeset
|
3204 /* Don't use alloc_automanaged_lcrecord() avoid infinite recursion |
|
623d57b7fbe8
separate regular and disksave finalization, print method fixes.
Ben Wing <ben@xemacs.org>
parents:
5120
diff
changeset
|
3205 allocating this. */ |
| 1204 | 3206 struct lcrecord_list *p = (struct lcrecord_list *) |
|
5124
623d57b7fbe8
separate regular and disksave finalization, print method fixes.
Ben Wing <ben@xemacs.org>
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5120
diff
changeset
|
3207 old_alloc_lcrecord (&lrecord_lcrecord_list); |
| 428 | 3208 |
| 3209 p->implementation = implementation; | |
| 3210 p->size = size; | |
| 3211 p->free = Qnil; | |
| 793 | 3212 return wrap_lcrecord_list (p); |
| 428 | 3213 } |
| 3214 | |
| 3215 Lisp_Object | |
| 1204 | 3216 alloc_managed_lcrecord (Lisp_Object lcrecord_list) |
| 428 | 3217 { |
| 3218 struct lcrecord_list *list = XLCRECORD_LIST (lcrecord_list); | |
| 3219 if (!NILP (list->free)) | |
| 3220 { | |
| 3221 Lisp_Object val = list->free; | |
| 3222 struct free_lcrecord_header *free_header = | |
| 3223 (struct free_lcrecord_header *) XPNTR (val); | |
| 1204 | 3224 struct lrecord_header *lheader = &free_header->lcheader.lheader; |
| 428 | 3225 |
| 3226 #ifdef ERROR_CHECK_GC | |
| 1204 | 3227 /* Major overkill here. */ |
| 428 | 3228 /* There should be no other pointers to the free list. */ |
| 442 | 3229 assert (! MARKED_RECORD_HEADER_P (lheader)); |
| 428 | 3230 /* Only free lcrecords should be here. */ |
| 3231 assert (free_header->lcheader.free); | |
| 1204 | 3232 assert (lheader->type == lrecord_type_free); |
| 3233 /* Only lcrecords should be here. */ | |
|
5127
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more cleanups, terminology clarification, lots of doc work
Ben Wing <ben@xemacs.org>
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5126
diff
changeset
|
3234 assert (! (list->implementation->frob_block_p)); |
| 1204 | 3235 #if 0 /* Not used anymore, now that we set the type of the header to |
| 3236 lrecord_type_free. */ | |
| 428 | 3237 /* The type of the lcrecord must be right. */ |
| 442 | 3238 assert (LHEADER_IMPLEMENTATION (lheader) == list->implementation); |
| 1204 | 3239 #endif /* 0 */ |
| 428 | 3240 /* So must the size. */ |
| 1204 | 3241 assert (list->implementation->static_size == 0 || |
| 3242 list->implementation->static_size == list->size); | |
| 428 | 3243 #endif /* ERROR_CHECK_GC */ |
| 442 | 3244 |
| 428 | 3245 list->free = free_header->chain; |
| 3246 free_header->lcheader.free = 0; | |
| 1204 | 3247 /* Put back the correct type, as we set it to lrecord_type_free. */ |
| 3248 lheader->type = list->implementation->lrecord_type_index; | |
|
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more cleanups, terminology clarification, lots of doc work
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5126
diff
changeset
|
3249 zero_sized_lisp_object (val, list->size); |
| 428 | 3250 return val; |
| 3251 } | |
| 3252 else | |
|
5124
623d57b7fbe8
separate regular and disksave finalization, print method fixes.
Ben Wing <ben@xemacs.org>
parents:
5120
diff
changeset
|
3253 return wrap_pointer_1 (old_alloc_sized_lcrecord (list->size, |
| 3024 | 3254 list->implementation)); |
| 428 | 3255 } |
| 3256 | |
| 771 | 3257 /* "Free" a Lisp object LCRECORD by placing it on its associated free list |
| 1204 | 3258 LCRECORD_LIST; next time alloc_managed_lcrecord() is called with the |
| 771 | 3259 same LCRECORD_LIST as its parameter, it will return an object from the |
| 3260 free list, which may be this one. Be VERY VERY SURE there are no | |
| 3261 pointers to this object hanging around anywhere where they might be | |
| 3262 used! | |
| 3263 | |
| 3264 The first thing this does before making any global state change is to | |
| 3265 call the finalize method of the object, if it exists. */ | |
| 3266 | |
| 428 | 3267 void |
| 3268 free_managed_lcrecord (Lisp_Object lcrecord_list, Lisp_Object lcrecord) | |
| 3269 { | |
| 3270 struct lcrecord_list *list = XLCRECORD_LIST (lcrecord_list); | |
| 3271 struct free_lcrecord_header *free_header = | |
| 3272 (struct free_lcrecord_header *) XPNTR (lcrecord); | |
| 442 | 3273 struct lrecord_header *lheader = &free_header->lcheader.lheader; |
| 3274 const struct lrecord_implementation *implementation | |
| 428 | 3275 = LHEADER_IMPLEMENTATION (lheader); |
| 3276 | |
|
4880
ae81a2c00f4f
try harder to avoid crashing when debug-printing
Ben Wing <ben@xemacs.org>
parents:
4803
diff
changeset
|
3277 /* If we try to debug-print during GC, we'll likely get a crash on the |
|
ae81a2c00f4f
try harder to avoid crashing when debug-printing
Ben Wing <ben@xemacs.org>
parents:
4803
diff
changeset
|
3278 following assert (called from Lstream_delete(), from prin1_to_string()). |
|
ae81a2c00f4f
try harder to avoid crashing when debug-printing
Ben Wing <ben@xemacs.org>
parents:
4803
diff
changeset
|
3279 Instead, just don't do anything. Worst comes to worst, we have a |
|
ae81a2c00f4f
try harder to avoid crashing when debug-printing
Ben Wing <ben@xemacs.org>
parents:
4803
diff
changeset
|
3280 small memory leak -- and programs being debugged usually won't be |
|
ae81a2c00f4f
try harder to avoid crashing when debug-printing
Ben Wing <ben@xemacs.org>
parents:
4803
diff
changeset
|
3281 super long-lived afterwards, anyway. */ |
|
ae81a2c00f4f
try harder to avoid crashing when debug-printing
Ben Wing <ben@xemacs.org>
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diff
changeset
|
3282 if (gc_in_progress && in_debug_print) |
|
ae81a2c00f4f
try harder to avoid crashing when debug-printing
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parents:
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diff
changeset
|
3283 return; |
|
ae81a2c00f4f
try harder to avoid crashing when debug-printing
Ben Wing <ben@xemacs.org>
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4803
diff
changeset
|
3284 |
| 771 | 3285 /* Finalizer methods may try to free objects within them, which typically |
| 3286 won't be marked and thus are scheduled for demolition. Putting them | |
| 3287 on the free list would be very bad, as we'd have xfree()d memory in | |
| 3288 the list. Even if for some reason the objects are still live | |
| 3289 (generally a logic error!), we still will have problems putting such | |
| 3290 an object on the free list right now (e.g. we'd have to avoid calling | |
| 3291 the finalizer twice, etc.). So basically, those finalizers should not | |
| 3292 be freeing any objects if during GC. Abort now to catch those | |
| 3293 problems. */ | |
| 3294 gc_checking_assert (!gc_in_progress); | |
| 3295 | |
| 428 | 3296 /* Make sure the size is correct. This will catch, for example, |
| 3297 putting a window configuration on the wrong free list. */ | |
|
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changeset
|
3298 gc_checking_assert (lisp_object_size (lcrecord) == list->size); |
| 771 | 3299 /* Make sure the object isn't already freed. */ |
| 3300 gc_checking_assert (!free_header->lcheader.free); | |
| 2367 | 3301 /* Freeing stuff in dumped memory is bad. If you trip this, you |
| 3302 may need to check for this before freeing. */ | |
| 3303 gc_checking_assert (!OBJECT_DUMPED_P (lcrecord)); | |
| 771 | 3304 |
| 428 | 3305 if (implementation->finalizer) |
|
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Ben Wing <ben@xemacs.org>
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diff
changeset
|
3306 implementation->finalizer (lcrecord); |
| 1204 | 3307 /* Yes, there are two ways to indicate freeness -- the type is |
| 3308 lrecord_type_free or the ->free flag is set. We used to do only the | |
| 3309 latter; now we do the former as well for KKCC purposes. Probably | |
| 3310 safer in any case, as we will lose quicker this way than keeping | |
| 3311 around an lrecord of apparently correct type but bogus junk in it. */ | |
| 3312 MARK_LRECORD_AS_FREE (lheader); | |
| 428 | 3313 free_header->chain = list->free; |
| 3314 free_header->lcheader.free = 1; | |
| 3315 list->free = lcrecord; | |
| 3316 } | |
| 3317 | |
| 771 | 3318 static Lisp_Object all_lcrecord_lists[countof (lrecord_implementations_table)]; |
| 3319 | |
|
5117
3742ea8250b5
Checking in final CVS version of workspace 'ben-lisp-object'
Ben Wing <ben@xemacs.org>
parents:
3063
diff
changeset
|
3320 Lisp_Object |
|
3742ea8250b5
Checking in final CVS version of workspace 'ben-lisp-object'
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diff
changeset
|
3321 alloc_automanaged_sized_lcrecord (Bytecount size, |
|
3742ea8250b5
Checking in final CVS version of workspace 'ben-lisp-object'
Ben Wing <ben@xemacs.org>
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diff
changeset
|
3322 const struct lrecord_implementation *imp) |
| 771 | 3323 { |
| 3324 if (EQ (all_lcrecord_lists[imp->lrecord_type_index], Qzero)) | |
| 3325 all_lcrecord_lists[imp->lrecord_type_index] = | |
| 3326 make_lcrecord_list (size, imp); | |
| 3327 | |
|
5117
3742ea8250b5
Checking in final CVS version of workspace 'ben-lisp-object'
Ben Wing <ben@xemacs.org>
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changeset
|
3328 return alloc_managed_lcrecord (all_lcrecord_lists[imp->lrecord_type_index]); |
|
3742ea8250b5
Checking in final CVS version of workspace 'ben-lisp-object'
Ben Wing <ben@xemacs.org>
parents:
3063
diff
changeset
|
3329 } |
|
3742ea8250b5
Checking in final CVS version of workspace 'ben-lisp-object'
Ben Wing <ben@xemacs.org>
parents:
3063
diff
changeset
|
3330 |
|
3742ea8250b5
Checking in final CVS version of workspace 'ben-lisp-object'
Ben Wing <ben@xemacs.org>
parents:
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diff
changeset
|
3331 Lisp_Object |
|
3742ea8250b5
Checking in final CVS version of workspace 'ben-lisp-object'
Ben Wing <ben@xemacs.org>
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3063
diff
changeset
|
3332 alloc_automanaged_lcrecord (const struct lrecord_implementation *imp) |
|
3742ea8250b5
Checking in final CVS version of workspace 'ben-lisp-object'
Ben Wing <ben@xemacs.org>
parents:
3063
diff
changeset
|
3333 { |
|
3742ea8250b5
Checking in final CVS version of workspace 'ben-lisp-object'
Ben Wing <ben@xemacs.org>
parents:
3063
diff
changeset
|
3334 type_checking_assert (imp->static_size > 0); |
|
3742ea8250b5
Checking in final CVS version of workspace 'ben-lisp-object'
Ben Wing <ben@xemacs.org>
parents:
3063
diff
changeset
|
3335 return alloc_automanaged_sized_lcrecord (imp->static_size, imp); |
| 771 | 3336 } |
| 3337 | |
| 3338 void | |
| 3024 | 3339 old_free_lcrecord (Lisp_Object rec) |
| 771 | 3340 { |
| 3341 int type = XRECORD_LHEADER (rec)->type; | |
| 3342 | |
| 3343 assert (!EQ (all_lcrecord_lists[type], Qzero)); | |
| 3344 | |
| 3345 free_managed_lcrecord (all_lcrecord_lists[type], rec); | |
| 3346 } | |
| 3263 | 3347 #endif /* not NEW_GC */ |
| 428 | 3348 |
| 3349 | |
| 3350 DEFUN ("purecopy", Fpurecopy, 1, 1, 0, /* | |
| 3351 Kept for compatibility, returns its argument. | |
| 3352 Old: | |
| 3353 Make a copy of OBJECT in pure storage. | |
| 3354 Recursively copies contents of vectors and cons cells. | |
| 3355 Does not copy symbols. | |
| 3356 */ | |
| 444 | 3357 (object)) |
| 428 | 3358 { |
| 444 | 3359 return object; |
| 428 | 3360 } |
| 3361 | |
| 3362 | |
| 3363 /************************************************************************/ | |
| 3364 /* Garbage Collection */ | |
| 3365 /************************************************************************/ | |
| 3366 | |
| 442 | 3367 /* All the built-in lisp object types are enumerated in `enum lrecord_type'. |
| 3368 Additional ones may be defined by a module (none yet). We leave some | |
| 3369 room in `lrecord_implementations_table' for such new lisp object types. */ | |
| 647 | 3370 const struct lrecord_implementation *lrecord_implementations_table[(int)lrecord_type_last_built_in_type + MODULE_DEFINABLE_TYPE_COUNT]; |
| 3371 int lrecord_type_count = lrecord_type_last_built_in_type; | |
| 1676 | 3372 #ifndef USE_KKCC |
| 442 | 3373 /* Object marker functions are in the lrecord_implementation structure. |
| 3374 But copying them to a parallel array is much more cache-friendly. | |
| 3375 This hack speeds up (garbage-collect) by about 5%. */ | |
| 3376 Lisp_Object (*lrecord_markers[countof (lrecord_implementations_table)]) (Lisp_Object); | |
| 1676 | 3377 #endif /* not USE_KKCC */ |
| 428 | 3378 |
| 3379 struct gcpro *gcprolist; | |
| 3380 | |
| 771 | 3381 /* We want the staticpro list relocated, but not the pointers found |
| 3382 therein, because they refer to locations in the global data segment, not | |
| 3383 in the heap; we only dump heap objects. Hence we use a trivial | |
| 3384 description, as for pointerless objects. (Note that the data segment | |
| 3385 objects, which are global variables like Qfoo or Vbar, themselves are | |
| 3386 pointers to heap objects. Each needs to be described to pdump as a | |
| 3387 "root pointer"; this happens in the call to staticpro(). */ | |
| 1204 | 3388 static const struct memory_description staticpro_description_1[] = { |
| 452 | 3389 { XD_END } |
| 3390 }; | |
| 3391 | |
| 1204 | 3392 static const struct sized_memory_description staticpro_description = { |
| 452 | 3393 sizeof (Lisp_Object *), |
| 3394 staticpro_description_1 | |
| 3395 }; | |
| 3396 | |
| 1204 | 3397 static const struct memory_description staticpros_description_1[] = { |
| 452 | 3398 XD_DYNARR_DESC (Lisp_Object_ptr_dynarr, &staticpro_description), |
| 3399 { XD_END } | |
| 3400 }; | |
| 3401 | |
| 1204 | 3402 static const struct sized_memory_description staticpros_description = { |
| 452 | 3403 sizeof (Lisp_Object_ptr_dynarr), |
| 3404 staticpros_description_1 | |
| 3405 }; | |
| 3406 | |
| 771 | 3407 #ifdef DEBUG_XEMACS |
| 3408 | |
| 3409 /* Help debug crashes gc-marking a staticpro'ed object. */ | |
| 3410 | |
| 3411 Lisp_Object_ptr_dynarr *staticpros; | |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3412 const_Ascbyte_ptr_dynarr *staticpro_names; |
| 771 | 3413 |
| 3414 /* Mark the Lisp_Object at non-heap VARADDRESS as a root object for | |
| 3415 garbage collection, and for dumping. */ | |
| 3416 void | |
|
4952
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Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3417 staticpro_1 (Lisp_Object *varaddress, const Ascbyte *varname) |
| 771 | 3418 { |
| 3419 Dynarr_add (staticpros, varaddress); | |
| 3420 Dynarr_add (staticpro_names, varname); | |
| 1204 | 3421 dump_add_root_lisp_object (varaddress); |
| 771 | 3422 } |
| 3423 | |
|
5016
2ade80e8c640
enable more warnings and fix them
Ben Wing <ben@xemacs.org>
parents:
4976
diff
changeset
|
3424 const Ascbyte *staticpro_name (int count); |
|
2ade80e8c640
enable more warnings and fix them
Ben Wing <ben@xemacs.org>
parents:
4976
diff
changeset
|
3425 |
|
4934
714f7c9fabb1
make it easier to debug staticpro crashes.
Ben Wing <ben@xemacs.org>
parents:
4880
diff
changeset
|
3426 /* External debugging function: Return the name of the variable at offset |
|
714f7c9fabb1
make it easier to debug staticpro crashes.
Ben Wing <ben@xemacs.org>
parents:
4880
diff
changeset
|
3427 COUNT. */ |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3428 const Ascbyte * |
|
4934
714f7c9fabb1
make it easier to debug staticpro crashes.
Ben Wing <ben@xemacs.org>
parents:
4880
diff
changeset
|
3429 staticpro_name (int count) |
|
714f7c9fabb1
make it easier to debug staticpro crashes.
Ben Wing <ben@xemacs.org>
parents:
4880
diff
changeset
|
3430 { |
|
714f7c9fabb1
make it easier to debug staticpro crashes.
Ben Wing <ben@xemacs.org>
parents:
4880
diff
changeset
|
3431 return Dynarr_at (staticpro_names, count); |
|
714f7c9fabb1
make it easier to debug staticpro crashes.
Ben Wing <ben@xemacs.org>
parents:
4880
diff
changeset
|
3432 } |
| 771 | 3433 |
| 3434 Lisp_Object_ptr_dynarr *staticpros_nodump; | |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3435 const_Ascbyte_ptr_dynarr *staticpro_nodump_names; |
| 771 | 3436 |
| 3437 /* Mark the Lisp_Object at heap VARADDRESS as a root object for | |
| 3438 garbage collection, but not for dumping. (See below.) */ | |
| 3439 void | |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3440 staticpro_nodump_1 (Lisp_Object *varaddress, const Ascbyte *varname) |
| 771 | 3441 { |
| 3442 Dynarr_add (staticpros_nodump, varaddress); | |
| 3443 Dynarr_add (staticpro_nodump_names, varname); | |
| 3444 } | |
| 3445 | |
|
5016
2ade80e8c640
enable more warnings and fix them
Ben Wing <ben@xemacs.org>
parents:
4976
diff
changeset
|
3446 const Ascbyte *staticpro_nodump_name (int count); |
|
2ade80e8c640
enable more warnings and fix them
Ben Wing <ben@xemacs.org>
parents:
4976
diff
changeset
|
3447 |
|
4934
714f7c9fabb1
make it easier to debug staticpro crashes.
Ben Wing <ben@xemacs.org>
parents:
4880
diff
changeset
|
3448 /* External debugging function: Return the name of the variable at offset |
|
714f7c9fabb1
make it easier to debug staticpro crashes.
Ben Wing <ben@xemacs.org>
parents:
4880
diff
changeset
|
3449 COUNT. */ |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
3450 const Ascbyte * |
|
4934
714f7c9fabb1
make it easier to debug staticpro crashes.
Ben Wing <ben@xemacs.org>
parents:
4880
diff
changeset
|
3451 staticpro_nodump_name (int count) |
|
714f7c9fabb1
make it easier to debug staticpro crashes.
Ben Wing <ben@xemacs.org>
parents:
4880
diff
changeset
|
3452 { |
|
714f7c9fabb1
make it easier to debug staticpro crashes.
Ben Wing <ben@xemacs.org>
parents:
4880
diff
changeset
|
3453 return Dynarr_at (staticpro_nodump_names, count); |
|
714f7c9fabb1
make it easier to debug staticpro crashes.
Ben Wing <ben@xemacs.org>
parents:
4880
diff
changeset
|
3454 } |
|
714f7c9fabb1
make it easier to debug staticpro crashes.
Ben Wing <ben@xemacs.org>
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4880
diff
changeset
|
3455 |
| 996 | 3456 #ifdef HAVE_SHLIB |
| 3457 /* Stop treating the Lisp_Object at non-heap VARADDRESS as a root object | |
| 3458 for garbage collection, but not for dumping. */ | |
| 3459 void | |
|
4952
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Mule-izing, various fixes related to char * arguments
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|
3460 unstaticpro_nodump_1 (Lisp_Object *varaddress, const Ascbyte *varname) |
| 996 | 3461 { |
| 3462 Dynarr_delete_object (staticpros, varaddress); | |
| 3463 Dynarr_delete_object (staticpro_names, varname); | |
| 3464 } | |
| 3465 #endif | |
| 3466 | |
| 771 | 3467 #else /* not DEBUG_XEMACS */ |
| 3468 | |
| 452 | 3469 Lisp_Object_ptr_dynarr *staticpros; |
| 3470 | |
| 3471 /* Mark the Lisp_Object at non-heap VARADDRESS as a root object for | |
| 3472 garbage collection, and for dumping. */ | |
| 428 | 3473 void |
| 3474 staticpro (Lisp_Object *varaddress) | |
| 3475 { | |
| 452 | 3476 Dynarr_add (staticpros, varaddress); |
| 1204 | 3477 dump_add_root_lisp_object (varaddress); |
| 428 | 3478 } |
| 3479 | |
| 442 | 3480 |
| 452 | 3481 Lisp_Object_ptr_dynarr *staticpros_nodump; |
| 3482 | |
| 771 | 3483 /* Mark the Lisp_Object at heap VARADDRESS as a root object for garbage |
| 3484 collection, but not for dumping. This is used for objects where the | |
| 3485 only sure pointer is in the heap (rather than in the global data | |
| 3486 segment, as must be the case for pdump root pointers), but not inside of | |
| 3487 another Lisp object (where it will be marked as a result of that Lisp | |
| 3488 object's mark method). The call to staticpro_nodump() must occur *BOTH* | |
| 3489 at initialization time and at "reinitialization" time (startup, after | |
| 3490 pdump load.) (For example, this is the case with the predicate symbols | |
| 3491 for specifier and coding system types. The pointer to this symbol is | |
| 3492 inside of a methods structure, which is allocated on the heap. The | |
| 3493 methods structure will be written out to the pdump data file, and may be | |
| 3494 reloaded at a different address.) | |
| 3495 | |
| 3496 #### The necessity for reinitialization is a bug in pdump. Pdump should | |
| 3497 automatically regenerate the staticpro()s for these symbols when it | |
| 3498 loads the data in. */ | |
| 3499 | |
| 428 | 3500 void |
| 3501 staticpro_nodump (Lisp_Object *varaddress) | |
| 3502 { | |
| 452 | 3503 Dynarr_add (staticpros_nodump, varaddress); |
| 428 | 3504 } |
| 3505 | |
| 996 | 3506 #ifdef HAVE_SHLIB |
| 3507 /* Unmark the Lisp_Object at non-heap VARADDRESS as a root object for | |
| 3508 garbage collection, but not for dumping. */ | |
| 3509 void | |
| 3510 unstaticpro_nodump (Lisp_Object *varaddress) | |
| 3511 { | |
| 3512 Dynarr_delete_object (staticpros, varaddress); | |
| 3513 } | |
| 3514 #endif | |
| 3515 | |
| 771 | 3516 #endif /* not DEBUG_XEMACS */ |
| 3517 | |
| 2720 | 3518 |
| 3519 | |
| 3520 | |
| 3521 | |
| 3263 | 3522 #ifdef NEW_GC |
| 2720 | 3523 static const struct memory_description mcpro_description_1[] = { |
| 3524 { XD_END } | |
| 3525 }; | |
| 3526 | |
| 3527 static const struct sized_memory_description mcpro_description = { | |
| 3528 sizeof (Lisp_Object *), | |
| 3529 mcpro_description_1 | |
| 3530 }; | |
| 3531 | |
| 3532 static const struct memory_description mcpros_description_1[] = { | |
| 3533 XD_DYNARR_DESC (Lisp_Object_dynarr, &mcpro_description), | |
| 3534 { XD_END } | |
| 3535 }; | |
| 3536 | |
| 3537 static const struct sized_memory_description mcpros_description = { | |
| 3538 sizeof (Lisp_Object_dynarr), | |
| 3539 mcpros_description_1 | |
| 3540 }; | |
| 3541 | |
| 3542 #ifdef DEBUG_XEMACS | |
| 3543 | |
| 3544 /* Help debug crashes gc-marking a mcpro'ed object. */ | |
| 3545 | |
| 3546 Lisp_Object_dynarr *mcpros; | |
|
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4938
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changeset
|
3547 const_Ascbyte_ptr_dynarr *mcpro_names; |
| 2720 | 3548 |
| 3549 /* Mark the Lisp_Object at non-heap VARADDRESS as a root object for | |
| 3550 garbage collection, and for dumping. */ | |
| 3551 void | |
|
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|
3552 mcpro_1 (Lisp_Object varaddress, const Ascbyte *varname) |
| 2720 | 3553 { |
| 3554 Dynarr_add (mcpros, varaddress); | |
| 3555 Dynarr_add (mcpro_names, varname); | |
| 3556 } | |
| 3557 | |
| 5046 | 3558 const Ascbyte *mcpro_name (int count); |
| 3559 | |
|
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|
3560 /* External debugging function: Return the name of the variable at offset |
|
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|
3561 COUNT. */ |
|
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|
3562 const Ascbyte * |
|
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|
3563 mcpro_name (int count) |
|
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|
3564 { |
|
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|
3565 return Dynarr_at (mcpro_names, count); |
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|
3566 } |
|
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|
3567 |
| 2720 | 3568 #else /* not DEBUG_XEMACS */ |
| 3569 | |
| 3570 Lisp_Object_dynarr *mcpros; | |
| 3571 | |
| 3572 /* Mark the Lisp_Object at non-heap VARADDRESS as a root object for | |
| 3573 garbage collection, and for dumping. */ | |
| 3574 void | |
| 3575 mcpro (Lisp_Object varaddress) | |
| 3576 { | |
| 3577 Dynarr_add (mcpros, varaddress); | |
| 3578 } | |
| 3579 | |
| 3580 #endif /* not DEBUG_XEMACS */ | |
| 3263 | 3581 #endif /* NEW_GC */ |
| 3582 | |
| 3583 | |
| 3584 #ifndef NEW_GC | |
| 428 | 3585 static int gc_count_num_short_string_in_use; |
| 647 | 3586 static Bytecount gc_count_string_total_size; |
| 3587 static Bytecount gc_count_short_string_total_size; | |
| 428 | 3588 |
| 3589 /* static int gc_count_total_records_used, gc_count_records_total_size; */ | |
| 3590 | |
| 3591 | |
| 3592 /* stats on lcrecords in use - kinda kludgy */ | |
| 3593 | |
| 3594 static struct | |
| 3595 { | |
| 3596 int instances_in_use; | |
| 3597 int bytes_in_use; | |
| 3598 int instances_freed; | |
| 3599 int bytes_freed; | |
| 3600 int instances_on_free_list; | |
|
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|
3601 int bytes_on_free_list; |
|
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|
3602 } lrecord_stats [countof (lrecord_implementations_table)]; |
|
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|
3603 |
|
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|
3604 void |
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|
3605 tick_lrecord_stats (const struct lrecord_header *h, |
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|
3606 enum lrecord_alloc_status status) |
| 428 | 3607 { |
| 647 | 3608 int type_index = h->type; |
|
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|
3609 Bytecount sz = detagged_lisp_object_size (h); |
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|
3610 |
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|
3611 switch (status) |
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|
3612 { |
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|
3613 case ALLOC_IN_USE: |
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|
3614 lrecord_stats[type_index].instances_in_use++; |
|
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3615 lrecord_stats[type_index].bytes_in_use += sz; |
|
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|
3616 break; |
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3617 case ALLOC_FREE: |
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3618 lrecord_stats[type_index].instances_freed++; |
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3619 lrecord_stats[type_index].bytes_freed += sz; |
|
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|
3620 break; |
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|
3621 case ALLOC_ON_FREE_LIST: |
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3622 lrecord_stats[type_index].instances_on_free_list++; |
|
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|
3623 lrecord_stats[type_index].bytes_on_free_list += sz; |
|
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|
3624 break; |
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|
3625 default: |
|
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|
3626 ABORT (); |
|
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|
3627 } |
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3628 } |
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3629 |
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|
3630 inline static void |
|
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|
3631 tick_lcrecord_stats (const struct lrecord_header *h, int free_p) |
|
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|
3632 { |
| 3024 | 3633 if (((struct old_lcrecord_header *) h)->free) |
| 428 | 3634 { |
| 442 | 3635 gc_checking_assert (!free_p); |
|
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|
3636 tick_lrecord_stats (h, ALLOC_ON_FREE_LIST); |
| 428 | 3637 } |
| 3638 else | |
|
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|
3639 tick_lrecord_stats (h, free_p ? ALLOC_FREE : ALLOC_IN_USE); |
| 428 | 3640 } |
| 3263 | 3641 #endif /* not NEW_GC */ |
| 428 | 3642 |
| 3643 | |
| 3263 | 3644 #ifndef NEW_GC |
| 428 | 3645 /* Free all unmarked records */ |
| 3646 static void | |
| 3024 | 3647 sweep_lcrecords_1 (struct old_lcrecord_header **prev, int *used) |
| 3648 { | |
| 3649 struct old_lcrecord_header *header; | |
| 428 | 3650 int num_used = 0; |
| 3651 /* int total_size = 0; */ | |
| 3652 | |
| 3653 /* First go through and call all the finalize methods. | |
| 3654 Then go through and free the objects. There used to | |
| 3655 be only one loop here, with the call to the finalizer | |
| 3656 occurring directly before the xfree() below. That | |
| 3657 is marginally faster but much less safe -- if the | |
| 3658 finalize method for an object needs to reference any | |
| 3659 other objects contained within it (and many do), | |
| 3660 we could easily be screwed by having already freed that | |
| 3661 other object. */ | |
| 3662 | |
| 3663 for (header = *prev; header; header = header->next) | |
| 3664 { | |
| 3665 struct lrecord_header *h = &(header->lheader); | |
| 442 | 3666 |
| 3667 GC_CHECK_LHEADER_INVARIANTS (h); | |
| 3668 | |
| 3669 if (! MARKED_RECORD_HEADER_P (h) && ! header->free) | |
| 428 | 3670 { |
| 3671 if (LHEADER_IMPLEMENTATION (h)->finalizer) | |
|
5127
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|
3672 LHEADER_IMPLEMENTATION (h)->finalizer (wrap_pointer_1 (h)); |
| 428 | 3673 } |
| 3674 } | |
| 3675 | |
| 3676 for (header = *prev; header; ) | |
| 3677 { | |
| 3678 struct lrecord_header *h = &(header->lheader); | |
| 442 | 3679 if (MARKED_RECORD_HEADER_P (h)) |
| 428 | 3680 { |
| 442 | 3681 if (! C_READONLY_RECORD_HEADER_P (h)) |
| 428 | 3682 UNMARK_RECORD_HEADER (h); |
| 3683 num_used++; | |
| 3684 /* total_size += n->implementation->size_in_bytes (h);*/ | |
| 440 | 3685 /* #### May modify header->next on a C_READONLY lcrecord */ |
| 428 | 3686 prev = &(header->next); |
| 3687 header = *prev; | |
| 3688 tick_lcrecord_stats (h, 0); | |
| 3689 } | |
| 3690 else | |
| 3691 { | |
| 3024 | 3692 struct old_lcrecord_header *next = header->next; |
| 428 | 3693 *prev = next; |
| 3694 tick_lcrecord_stats (h, 1); | |
| 3695 /* used to call finalizer right here. */ | |
|
4976
16112448d484
Rename xfree(FOO, TYPE) -> xfree(FOO)
Ben Wing <ben@xemacs.org>
parents:
4969
diff
changeset
|
3696 xfree (header); |
| 428 | 3697 header = next; |
| 3698 } | |
| 3699 } | |
| 3700 *used = num_used; | |
| 3701 /* *total = total_size; */ | |
| 3702 } | |
| 3703 | |
| 3704 /* And the Lord said: Thou shalt use the `c-backslash-region' command | |
| 3705 to make macros prettier. */ | |
| 3706 | |
|
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|
3707 #define COUNT_FROB_BLOCK_USAGE(type) \ |
|
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|
3708 EMACS_INT s = 0; \ |
|
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3709 struct type##_block *x = current_##type##_block; \ |
|
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|
3710 while (x) { s += sizeof (*x) + MALLOC_OVERHEAD; x = x->prev; } \ |
|
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|
3711 DO_NOTHING |
|
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|
3712 |
|
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|
3713 #define COPY_INTO_LRECORD_STATS(type) \ |
|
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|
3714 do { \ |
|
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changeset
|
3715 COUNT_FROB_BLOCK_USAGE (type); \ |
|
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|
3716 lrecord_stats[lrecord_type_##type].bytes_in_use += s; \ |
|
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|
3717 lrecord_stats[lrecord_type_##type].instances_on_free_list += \ |
|
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|
3718 gc_count_num_##type##_freelist; \ |
|
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|
3719 lrecord_stats[lrecord_type_##type].instances_in_use += \ |
|
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|
3720 gc_count_num_##type##_in_use; \ |
|
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|
3721 } while (0) |
|
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|
3722 |
| 428 | 3723 #ifdef ERROR_CHECK_GC |
| 3724 | |
| 771 | 3725 #define SWEEP_FIXED_TYPE_BLOCK_1(typename, obj_type, lheader) \ |
| 428 | 3726 do { \ |
| 3727 struct typename##_block *SFTB_current; \ | |
| 3728 int SFTB_limit; \ | |
| 3729 int num_free = 0, num_used = 0; \ | |
| 3730 \ | |
| 444 | 3731 for (SFTB_current = current_##typename##_block, \ |
| 428 | 3732 SFTB_limit = current_##typename##_block_index; \ |
| 3733 SFTB_current; \ | |
| 3734 ) \ | |
| 3735 { \ | |
| 3736 int SFTB_iii; \ | |
| 3737 \ | |
| 3738 for (SFTB_iii = 0; SFTB_iii < SFTB_limit; SFTB_iii++) \ | |
| 3739 { \ | |
| 3740 obj_type *SFTB_victim = &(SFTB_current->block[SFTB_iii]); \ | |
| 3741 \ | |
| 454 | 3742 if (LRECORD_FREE_P (SFTB_victim)) \ |
| 428 | 3743 { \ |
| 3744 num_free++; \ | |
| 3745 } \ | |
| 3746 else if (C_READONLY_RECORD_HEADER_P (&SFTB_victim->lheader)) \ | |
| 3747 { \ | |
| 3748 num_used++; \ | |
| 3749 } \ | |
| 442 | 3750 else if (! MARKED_RECORD_HEADER_P (&SFTB_victim->lheader)) \ |
| 428 | 3751 { \ |
| 3752 num_free++; \ | |
| 3753 FREE_FIXED_TYPE (typename, obj_type, SFTB_victim); \ | |
| 3754 } \ | |
| 3755 else \ | |
| 3756 { \ | |
| 3757 num_used++; \ | |
| 3758 UNMARK_##typename (SFTB_victim); \ | |
| 3759 } \ | |
| 3760 } \ | |
| 3761 SFTB_current = SFTB_current->prev; \ | |
| 3762 SFTB_limit = countof (current_##typename##_block->block); \ | |
| 3763 } \ | |
| 3764 \ | |
| 3765 gc_count_num_##typename##_in_use = num_used; \ | |
| 3766 gc_count_num_##typename##_freelist = num_free; \ | |
|
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|
3767 COPY_INTO_LRECORD_STATS (typename); \ |
| 428 | 3768 } while (0) |
| 3769 | |
| 3770 #else /* !ERROR_CHECK_GC */ | |
| 3771 | |
|
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|
3772 #define SWEEP_FIXED_TYPE_BLOCK_1(typename, obj_type, lheader) \ |
|
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3773 do { \ |
|
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3774 struct typename##_block *SFTB_current; \ |
|
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3775 struct typename##_block **SFTB_prev; \ |
|
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|
3776 int SFTB_limit; \ |
|
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3777 int num_free = 0, num_used = 0; \ |
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3778 \ |
|
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|
3779 typename##_free_list = 0; \ |
|
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3780 \ |
|
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|
3781 for (SFTB_prev = ¤t_##typename##_block, \ |
|
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|
3782 SFTB_current = current_##typename##_block, \ |
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3783 SFTB_limit = current_##typename##_block_index; \ |
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|
3784 SFTB_current; \ |
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3785 ) \ |
|
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|
3786 { \ |
|
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|
3787 int SFTB_iii; \ |
|
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|
3788 int SFTB_empty = 1; \ |
|
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|
3789 Lisp_Free *SFTB_old_free_list = typename##_free_list; \ |
|
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3790 \ |
|
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|
3791 for (SFTB_iii = 0; SFTB_iii < SFTB_limit; SFTB_iii++) \ |
|
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|
3792 { \ |
|
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3793 obj_type *SFTB_victim = &(SFTB_current->block[SFTB_iii]); \ |
|
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3794 \ |
|
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3795 if (LRECORD_FREE_P (SFTB_victim)) \ |
|
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3796 { \ |
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3797 num_free++; \ |
| 771 | 3798 PUT_FIXED_TYPE_ON_FREE_LIST (typename, obj_type, SFTB_victim); \ |
|
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3799 } \ |
|
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3800 else if (C_READONLY_RECORD_HEADER_P (&SFTB_victim->lheader)) \ |
|
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3801 { \ |
|
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3802 SFTB_empty = 0; \ |
|
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3803 num_used++; \ |
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3804 } \ |
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3805 else if (! MARKED_RECORD_HEADER_P (&SFTB_victim->lheader)) \ |
|
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3806 { \ |
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3807 num_free++; \ |
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3808 FREE_FIXED_TYPE (typename, obj_type, SFTB_victim); \ |
|
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3809 } \ |
|
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3810 else \ |
|
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|
3811 { \ |
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3812 SFTB_empty = 0; \ |
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3813 num_used++; \ |
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3814 UNMARK_##typename (SFTB_victim); \ |
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3815 } \ |
|
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|
3816 } \ |
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3817 if (!SFTB_empty) \ |
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3818 { \ |
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3819 SFTB_prev = &(SFTB_current->prev); \ |
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3820 SFTB_current = SFTB_current->prev; \ |
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3821 } \ |
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3822 else if (SFTB_current == current_##typename##_block \ |
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3823 && !SFTB_current->prev) \ |
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3824 { \ |
|
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3825 /* No real point in freeing sole allocation block */ \ |
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3826 break; \ |
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3827 } \ |
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3828 else \ |
|
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|
3829 { \ |
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3830 struct typename##_block *SFTB_victim_block = SFTB_current; \ |
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3831 if (SFTB_victim_block == current_##typename##_block) \ |
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3832 current_##typename##_block_index \ |
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3833 = countof (current_##typename##_block->block); \ |
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3834 SFTB_current = SFTB_current->prev; \ |
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3835 { \ |
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3836 *SFTB_prev = SFTB_current; \ |
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3837 xfree (SFTB_victim_block); \ |
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3838 /* Restore free list to what it was before victim was swept */ \ |
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3839 typename##_free_list = SFTB_old_free_list; \ |
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3840 num_free -= SFTB_limit; \ |
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3841 } \ |
|
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3842 } \ |
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3843 SFTB_limit = countof (current_##typename##_block->block); \ |
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3844 } \ |
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3845 \ |
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3846 gc_count_num_##typename##_in_use = num_used; \ |
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3847 gc_count_num_##typename##_freelist = num_free; \ |
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3848 COPY_INTO_LRECORD_STATS (typename); \ |
| 428 | 3849 } while (0) |
| 3850 | |
| 3851 #endif /* !ERROR_CHECK_GC */ | |
| 3852 | |
| 771 | 3853 #define SWEEP_FIXED_TYPE_BLOCK(typename, obj_type) \ |
| 3854 SWEEP_FIXED_TYPE_BLOCK_1 (typename, obj_type, lheader) | |
| 3855 | |
| 3263 | 3856 #endif /* not NEW_GC */ |
| 2720 | 3857 |
| 428 | 3858 |
| 3263 | 3859 #ifndef NEW_GC |
| 428 | 3860 static void |
| 3861 sweep_conses (void) | |
| 3862 { | |
| 3863 #define UNMARK_cons(ptr) UNMARK_RECORD_HEADER (&((ptr)->lheader)) | |
| 3864 #define ADDITIONAL_FREE_cons(ptr) | |
| 3865 | |
| 440 | 3866 SWEEP_FIXED_TYPE_BLOCK (cons, Lisp_Cons); |
| 428 | 3867 } |
| 3263 | 3868 #endif /* not NEW_GC */ |
| 428 | 3869 |
| 3870 /* Explicitly free a cons cell. */ | |
| 3871 void | |
| 853 | 3872 free_cons (Lisp_Object cons) |
| 428 | 3873 { |
| 3263 | 3874 #ifndef NEW_GC /* to avoid compiler warning */ |
| 853 | 3875 Lisp_Cons *ptr = XCONS (cons); |
| 3263 | 3876 #endif /* not NEW_GC */ |
| 853 | 3877 |
| 428 | 3878 #ifdef ERROR_CHECK_GC |
| 3263 | 3879 #ifdef NEW_GC |
| 2720 | 3880 Lisp_Cons *ptr = XCONS (cons); |
| 3263 | 3881 #endif /* NEW_GC */ |
| 428 | 3882 /* If the CAR is not an int, then it will be a pointer, which will |
| 3883 always be four-byte aligned. If this cons cell has already been | |
| 3884 placed on the free list, however, its car will probably contain | |
| 3885 a chain pointer to the next cons on the list, which has cleverly | |
| 3886 had all its 0's and 1's inverted. This allows for a quick | |
| 1204 | 3887 check to make sure we're not freeing something already freed. |
| 3888 | |
| 3889 NOTE: This check may not be necessary. Freeing an object sets its | |
| 3890 type to lrecord_type_free, which will trip up the XCONS() above -- as | |
| 3891 well as a check in FREE_FIXED_TYPE(). */ | |
| 853 | 3892 if (POINTER_TYPE_P (XTYPE (cons_car (ptr)))) |
| 3893 ASSERT_VALID_POINTER (XPNTR (cons_car (ptr))); | |
| 428 | 3894 #endif /* ERROR_CHECK_GC */ |
| 3895 | |
|
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3896 FREE_FIXED_TYPE_WHEN_NOT_IN_GC (cons, cons, Lisp_Cons, ptr); |
| 428 | 3897 } |
| 3898 | |
| 3899 /* explicitly free a list. You **must make sure** that you have | |
| 3900 created all the cons cells that make up this list and that there | |
| 3901 are no pointers to any of these cons cells anywhere else. If there | |
| 3902 are, you will lose. */ | |
| 3903 | |
| 3904 void | |
| 3905 free_list (Lisp_Object list) | |
| 3906 { | |
| 3907 Lisp_Object rest, next; | |
| 3908 | |
| 3909 for (rest = list; !NILP (rest); rest = next) | |
| 3910 { | |
| 3911 next = XCDR (rest); | |
| 853 | 3912 free_cons (rest); |
| 428 | 3913 } |
| 3914 } | |
| 3915 | |
| 3916 /* explicitly free an alist. You **must make sure** that you have | |
| 3917 created all the cons cells that make up this alist and that there | |
| 3918 are no pointers to any of these cons cells anywhere else. If there | |
| 3919 are, you will lose. */ | |
| 3920 | |
| 3921 void | |
| 3922 free_alist (Lisp_Object alist) | |
| 3923 { | |
| 3924 Lisp_Object rest, next; | |
| 3925 | |
| 3926 for (rest = alist; !NILP (rest); rest = next) | |
| 3927 { | |
| 3928 next = XCDR (rest); | |
| 853 | 3929 free_cons (XCAR (rest)); |
| 3930 free_cons (rest); | |
| 428 | 3931 } |
| 3932 } | |
| 3933 | |
| 3263 | 3934 #ifndef NEW_GC |
| 428 | 3935 static void |
| 3936 sweep_compiled_functions (void) | |
| 3937 { | |
| 3938 #define UNMARK_compiled_function(ptr) UNMARK_RECORD_HEADER (&((ptr)->lheader)) | |
| 945 | 3939 #define ADDITIONAL_FREE_compiled_function(ptr) \ |
|
4976
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3940 if (ptr->args_in_array) xfree (ptr->args) |
| 428 | 3941 |
| 3942 SWEEP_FIXED_TYPE_BLOCK (compiled_function, Lisp_Compiled_Function); | |
| 3943 } | |
| 3944 | |
| 3945 static void | |
| 3946 sweep_floats (void) | |
| 3947 { | |
| 3948 #define UNMARK_float(ptr) UNMARK_RECORD_HEADER (&((ptr)->lheader)) | |
| 3949 #define ADDITIONAL_FREE_float(ptr) | |
| 3950 | |
| 440 | 3951 SWEEP_FIXED_TYPE_BLOCK (float, Lisp_Float); |
| 428 | 3952 } |
| 3953 | |
| 1983 | 3954 #ifdef HAVE_BIGNUM |
| 3955 static void | |
| 3956 sweep_bignums (void) | |
| 3957 { | |
| 3958 #define UNMARK_bignum(ptr) UNMARK_RECORD_HEADER (&((ptr)->lheader)) | |
| 3959 #define ADDITIONAL_FREE_bignum(ptr) bignum_fini (ptr->data) | |
| 3960 | |
| 3961 SWEEP_FIXED_TYPE_BLOCK (bignum, Lisp_Bignum); | |
| 3962 } | |
| 3963 #endif /* HAVE_BIGNUM */ | |
| 3964 | |
| 3965 #ifdef HAVE_RATIO | |
| 3966 static void | |
| 3967 sweep_ratios (void) | |
| 3968 { | |
| 3969 #define UNMARK_ratio(ptr) UNMARK_RECORD_HEADER (&((ptr)->lheader)) | |
| 3970 #define ADDITIONAL_FREE_ratio(ptr) ratio_fini (ptr->data) | |
| 3971 | |
| 3972 SWEEP_FIXED_TYPE_BLOCK (ratio, Lisp_Ratio); | |
| 3973 } | |
| 3974 #endif /* HAVE_RATIO */ | |
| 3975 | |
| 3976 #ifdef HAVE_BIGFLOAT | |
| 3977 static void | |
| 3978 sweep_bigfloats (void) | |
| 3979 { | |
| 3980 #define UNMARK_bigfloat(ptr) UNMARK_RECORD_HEADER (&((ptr)->lheader)) | |
| 3981 #define ADDITIONAL_FREE_bigfloat(ptr) bigfloat_fini (ptr->bf) | |
| 3982 | |
| 3983 SWEEP_FIXED_TYPE_BLOCK (bigfloat, Lisp_Bigfloat); | |
| 3984 } | |
| 3985 #endif | |
| 3986 | |
| 428 | 3987 static void |
| 3988 sweep_symbols (void) | |
| 3989 { | |
| 3990 #define UNMARK_symbol(ptr) UNMARK_RECORD_HEADER (&((ptr)->lheader)) | |
| 3991 #define ADDITIONAL_FREE_symbol(ptr) | |
| 3992 | |
| 440 | 3993 SWEEP_FIXED_TYPE_BLOCK (symbol, Lisp_Symbol); |
| 428 | 3994 } |
| 3995 | |
| 3996 static void | |
| 3997 sweep_extents (void) | |
| 3998 { | |
| 3999 #define UNMARK_extent(ptr) UNMARK_RECORD_HEADER (&((ptr)->lheader)) | |
| 4000 #define ADDITIONAL_FREE_extent(ptr) | |
| 4001 | |
| 4002 SWEEP_FIXED_TYPE_BLOCK (extent, struct extent); | |
| 4003 } | |
| 4004 | |
| 4005 static void | |
| 4006 sweep_events (void) | |
| 4007 { | |
| 4008 #define UNMARK_event(ptr) UNMARK_RECORD_HEADER (&((ptr)->lheader)) | |
| 4009 #define ADDITIONAL_FREE_event(ptr) | |
| 4010 | |
| 440 | 4011 SWEEP_FIXED_TYPE_BLOCK (event, Lisp_Event); |
| 428 | 4012 } |
| 3263 | 4013 #endif /* not NEW_GC */ |
| 428 | 4014 |
| 1204 | 4015 #ifdef EVENT_DATA_AS_OBJECTS |
| 934 | 4016 |
| 3263 | 4017 #ifndef NEW_GC |
| 934 | 4018 static void |
| 4019 sweep_key_data (void) | |
| 4020 { | |
| 4021 #define UNMARK_key_data(ptr) UNMARK_RECORD_HEADER (&((ptr)->lheader)) | |
| 4022 #define ADDITIONAL_FREE_key_data(ptr) | |
| 4023 | |
| 4024 SWEEP_FIXED_TYPE_BLOCK (key_data, Lisp_Key_Data); | |
| 4025 } | |
| 3263 | 4026 #endif /* not NEW_GC */ |
| 934 | 4027 |
| 1204 | 4028 void |
| 4029 free_key_data (Lisp_Object ptr) | |
| 4030 { | |
|
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4031 FREE_FIXED_TYPE_WHEN_NOT_IN_GC (ptr, key_data, Lisp_Key_Data, |
|
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4032 XKEY_DATA (ptr)); |
| 2720 | 4033 } |
| 4034 | |
| 3263 | 4035 #ifndef NEW_GC |
| 934 | 4036 static void |
| 4037 sweep_button_data (void) | |
| 4038 { | |
| 4039 #define UNMARK_button_data(ptr) UNMARK_RECORD_HEADER (&((ptr)->lheader)) | |
| 4040 #define ADDITIONAL_FREE_button_data(ptr) | |
| 4041 | |
| 4042 SWEEP_FIXED_TYPE_BLOCK (button_data, Lisp_Button_Data); | |
| 4043 } | |
| 3263 | 4044 #endif /* not NEW_GC */ |
| 934 | 4045 |
| 1204 | 4046 void |
| 4047 free_button_data (Lisp_Object ptr) | |
| 4048 { | |
|
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4049 FREE_FIXED_TYPE_WHEN_NOT_IN_GC (ptr, button_data, Lisp_Button_Data, |
|
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4050 XBUTTON_DATA (ptr)); |
| 2720 | 4051 } |
| 4052 | |
| 3263 | 4053 #ifndef NEW_GC |
| 934 | 4054 static void |
| 4055 sweep_motion_data (void) | |
| 4056 { | |
| 4057 #define UNMARK_motion_data(ptr) UNMARK_RECORD_HEADER (&((ptr)->lheader)) | |
| 4058 #define ADDITIONAL_FREE_motion_data(ptr) | |
| 4059 | |
| 4060 SWEEP_FIXED_TYPE_BLOCK (motion_data, Lisp_Motion_Data); | |
| 4061 } | |
| 3263 | 4062 #endif /* not NEW_GC */ |
| 934 | 4063 |
| 1204 | 4064 void |
| 4065 free_motion_data (Lisp_Object ptr) | |
| 4066 { | |
|
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4067 FREE_FIXED_TYPE_WHEN_NOT_IN_GC (ptr, motion_data, Lisp_Motion_Data, |
|
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4068 XMOTION_DATA (ptr)); |
| 2720 | 4069 } |
| 4070 | |
| 3263 | 4071 #ifndef NEW_GC |
| 934 | 4072 static void |
| 4073 sweep_process_data (void) | |
| 4074 { | |
| 4075 #define UNMARK_process_data(ptr) UNMARK_RECORD_HEADER (&((ptr)->lheader)) | |
| 4076 #define ADDITIONAL_FREE_process_data(ptr) | |
| 4077 | |
| 4078 SWEEP_FIXED_TYPE_BLOCK (process_data, Lisp_Process_Data); | |
| 4079 } | |
| 3263 | 4080 #endif /* not NEW_GC */ |
| 934 | 4081 |
| 1204 | 4082 void |
| 4083 free_process_data (Lisp_Object ptr) | |
| 4084 { | |
|
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4085 FREE_FIXED_TYPE_WHEN_NOT_IN_GC (ptr, process_data, Lisp_Process_Data, |
|
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|
4086 XPROCESS_DATA (ptr)); |
| 2720 | 4087 } |
| 4088 | |
| 3263 | 4089 #ifndef NEW_GC |
| 934 | 4090 static void |
| 4091 sweep_timeout_data (void) | |
| 4092 { | |
| 4093 #define UNMARK_timeout_data(ptr) UNMARK_RECORD_HEADER (&((ptr)->lheader)) | |
| 4094 #define ADDITIONAL_FREE_timeout_data(ptr) | |
| 4095 | |
| 4096 SWEEP_FIXED_TYPE_BLOCK (timeout_data, Lisp_Timeout_Data); | |
| 4097 } | |
| 3263 | 4098 #endif /* not NEW_GC */ |
| 934 | 4099 |
| 1204 | 4100 void |
| 4101 free_timeout_data (Lisp_Object ptr) | |
| 4102 { | |
|
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4103 FREE_FIXED_TYPE_WHEN_NOT_IN_GC (ptr, timeout_data, Lisp_Timeout_Data, |
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4104 XTIMEOUT_DATA (ptr)); |
| 2720 | 4105 } |
| 4106 | |
| 3263 | 4107 #ifndef NEW_GC |
| 934 | 4108 static void |
| 4109 sweep_magic_data (void) | |
| 4110 { | |
| 4111 #define UNMARK_magic_data(ptr) UNMARK_RECORD_HEADER (&((ptr)->lheader)) | |
| 4112 #define ADDITIONAL_FREE_magic_data(ptr) | |
| 4113 | |
| 4114 SWEEP_FIXED_TYPE_BLOCK (magic_data, Lisp_Magic_Data); | |
| 4115 } | |
| 3263 | 4116 #endif /* not NEW_GC */ |
| 934 | 4117 |
| 1204 | 4118 void |
| 4119 free_magic_data (Lisp_Object ptr) | |
| 4120 { | |
|
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4121 FREE_FIXED_TYPE_WHEN_NOT_IN_GC (ptr, magic_data, Lisp_Magic_Data, |
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4122 XMAGIC_DATA (ptr)); |
| 2720 | 4123 } |
| 4124 | |
| 3263 | 4125 #ifndef NEW_GC |
| 934 | 4126 static void |
| 4127 sweep_magic_eval_data (void) | |
| 4128 { | |
| 4129 #define UNMARK_magic_eval_data(ptr) UNMARK_RECORD_HEADER (&((ptr)->lheader)) | |
| 4130 #define ADDITIONAL_FREE_magic_eval_data(ptr) | |
| 4131 | |
| 4132 SWEEP_FIXED_TYPE_BLOCK (magic_eval_data, Lisp_Magic_Eval_Data); | |
| 4133 } | |
| 3263 | 4134 #endif /* not NEW_GC */ |
| 934 | 4135 |
| 1204 | 4136 void |
| 4137 free_magic_eval_data (Lisp_Object ptr) | |
| 4138 { | |
|
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4139 FREE_FIXED_TYPE_WHEN_NOT_IN_GC (ptr, magic_eval_data, Lisp_Magic_Eval_Data, |
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|
4140 XMAGIC_EVAL_DATA (ptr)); |
| 2720 | 4141 } |
| 4142 | |
| 3263 | 4143 #ifndef NEW_GC |
| 934 | 4144 static void |
| 4145 sweep_eval_data (void) | |
| 4146 { | |
| 4147 #define UNMARK_eval_data(ptr) UNMARK_RECORD_HEADER (&((ptr)->lheader)) | |
| 4148 #define ADDITIONAL_FREE_eval_data(ptr) | |
| 4149 | |
| 4150 SWEEP_FIXED_TYPE_BLOCK (eval_data, Lisp_Eval_Data); | |
| 4151 } | |
| 3263 | 4152 #endif /* not NEW_GC */ |
| 934 | 4153 |
| 1204 | 4154 void |
| 4155 free_eval_data (Lisp_Object ptr) | |
| 4156 { | |
|
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4157 FREE_FIXED_TYPE_WHEN_NOT_IN_GC (ptr, eval_data, Lisp_Eval_Data, |
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4158 XEVAL_DATA (ptr)); |
| 2720 | 4159 } |
| 4160 | |
| 3263 | 4161 #ifndef NEW_GC |
| 934 | 4162 static void |
| 4163 sweep_misc_user_data (void) | |
| 4164 { | |
| 4165 #define UNMARK_misc_user_data(ptr) UNMARK_RECORD_HEADER (&((ptr)->lheader)) | |
| 4166 #define ADDITIONAL_FREE_misc_user_data(ptr) | |
| 4167 | |
| 4168 SWEEP_FIXED_TYPE_BLOCK (misc_user_data, Lisp_Misc_User_Data); | |
| 4169 } | |
| 3263 | 4170 #endif /* not NEW_GC */ |
| 934 | 4171 |
| 1204 | 4172 void |
| 4173 free_misc_user_data (Lisp_Object ptr) | |
| 4174 { | |
|
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4175 FREE_FIXED_TYPE_WHEN_NOT_IN_GC (ptr, misc_user_data, Lisp_Misc_User_Data, |
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|
4176 XMISC_USER_DATA (ptr)); |
| 1204 | 4177 } |
| 4178 | |
| 4179 #endif /* EVENT_DATA_AS_OBJECTS */ | |
| 934 | 4180 |
| 3263 | 4181 #ifndef NEW_GC |
| 428 | 4182 static void |
| 4183 sweep_markers (void) | |
| 4184 { | |
| 4185 #define UNMARK_marker(ptr) UNMARK_RECORD_HEADER (&((ptr)->lheader)) | |
| 4186 #define ADDITIONAL_FREE_marker(ptr) \ | |
| 4187 do { Lisp_Object tem; \ | |
| 793 | 4188 tem = wrap_marker (ptr); \ |
| 428 | 4189 unchain_marker (tem); \ |
| 4190 } while (0) | |
| 4191 | |
| 440 | 4192 SWEEP_FIXED_TYPE_BLOCK (marker, Lisp_Marker); |
| 428 | 4193 } |
| 3263 | 4194 #endif /* not NEW_GC */ |
| 428 | 4195 |
| 4196 /* Explicitly free a marker. */ | |
| 4197 void | |
| 1204 | 4198 free_marker (Lisp_Object ptr) |
| 428 | 4199 { |
|
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4200 FREE_FIXED_TYPE_WHEN_NOT_IN_GC (ptr, marker, Lisp_Marker, XMARKER (ptr)); |
| 428 | 4201 } |
| 4202 | |
| 4203 | |
| 4204 #if defined (MULE) && defined (VERIFY_STRING_CHARS_INTEGRITY) | |
| 4205 | |
| 4206 static void | |
| 4207 verify_string_chars_integrity (void) | |
| 4208 { | |
| 4209 struct string_chars_block *sb; | |
| 4210 | |
| 4211 /* Scan each existing string block sequentially, string by string. */ | |
| 4212 for (sb = first_string_chars_block; sb; sb = sb->next) | |
| 4213 { | |
| 4214 int pos = 0; | |
| 4215 /* POS is the index of the next string in the block. */ | |
| 4216 while (pos < sb->pos) | |
| 4217 { | |
| 4218 struct string_chars *s_chars = | |
| 4219 (struct string_chars *) &(sb->string_chars[pos]); | |
| 438 | 4220 Lisp_String *string; |
| 428 | 4221 int size; |
| 4222 int fullsize; | |
| 4223 | |
| 454 | 4224 /* If the string_chars struct is marked as free (i.e. the |
| 4225 STRING pointer is NULL) then this is an unused chunk of | |
| 4226 string storage. (See below.) */ | |
| 4227 | |
| 4228 if (STRING_CHARS_FREE_P (s_chars)) | |
| 428 | 4229 { |
| 4230 fullsize = ((struct unused_string_chars *) s_chars)->fullsize; | |
| 4231 pos += fullsize; | |
| 4232 continue; | |
| 4233 } | |
| 4234 | |
| 4235 string = s_chars->string; | |
| 4236 /* Must be 32-bit aligned. */ | |
| 4237 assert ((((int) string) & 3) == 0); | |
| 4238 | |
| 793 | 4239 size = string->size_; |
| 428 | 4240 fullsize = STRING_FULLSIZE (size); |
| 4241 | |
| 4242 assert (!BIG_STRING_FULLSIZE_P (fullsize)); | |
| 2720 | 4243 assert (XSTRING_DATA (string) == s_chars->chars); |
| 428 | 4244 pos += fullsize; |
| 4245 } | |
| 4246 assert (pos == sb->pos); | |
| 4247 } | |
| 4248 } | |
| 4249 | |
| 1204 | 4250 #endif /* defined (MULE) && defined (VERIFY_STRING_CHARS_INTEGRITY) */ |
| 428 | 4251 |
| 3092 | 4252 #ifndef NEW_GC |
| 428 | 4253 /* Compactify string chars, relocating the reference to each -- |
| 4254 free any empty string_chars_block we see. */ | |
|
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|
4255 static void |
| 428 | 4256 compact_string_chars (void) |
| 4257 { | |
| 4258 struct string_chars_block *to_sb = first_string_chars_block; | |
| 4259 int to_pos = 0; | |
| 4260 struct string_chars_block *from_sb; | |
| 4261 | |
| 4262 /* Scan each existing string block sequentially, string by string. */ | |
| 4263 for (from_sb = first_string_chars_block; from_sb; from_sb = from_sb->next) | |
| 4264 { | |
| 4265 int from_pos = 0; | |
| 4266 /* FROM_POS is the index of the next string in the block. */ | |
| 4267 while (from_pos < from_sb->pos) | |
| 4268 { | |
| 4269 struct string_chars *from_s_chars = | |
| 4270 (struct string_chars *) &(from_sb->string_chars[from_pos]); | |
| 4271 struct string_chars *to_s_chars; | |
| 438 | 4272 Lisp_String *string; |
| 428 | 4273 int size; |
| 4274 int fullsize; | |
| 4275 | |
| 454 | 4276 /* If the string_chars struct is marked as free (i.e. the |
| 4277 STRING pointer is NULL) then this is an unused chunk of | |
| 4278 string storage. This happens under Mule when a string's | |
| 4279 size changes in such a way that its fullsize changes. | |
| 4280 (Strings can change size because a different-length | |
| 4281 character can be substituted for another character.) | |
| 4282 In this case, after the bogus string pointer is the | |
| 4283 "fullsize" of this entry, i.e. how many bytes to skip. */ | |
| 4284 | |
| 4285 if (STRING_CHARS_FREE_P (from_s_chars)) | |
| 428 | 4286 { |
| 4287 fullsize = ((struct unused_string_chars *) from_s_chars)->fullsize; | |
| 4288 from_pos += fullsize; | |
| 4289 continue; | |
| 4290 } | |
| 4291 | |
| 4292 string = from_s_chars->string; | |
| 1204 | 4293 gc_checking_assert (!(LRECORD_FREE_P (string))); |
| 428 | 4294 |
| 793 | 4295 size = string->size_; |
| 428 | 4296 fullsize = STRING_FULLSIZE (size); |
| 4297 | |
| 442 | 4298 gc_checking_assert (! BIG_STRING_FULLSIZE_P (fullsize)); |
| 428 | 4299 |
| 4300 /* Just skip it if it isn't marked. */ | |
| 771 | 4301 if (! MARKED_RECORD_HEADER_P (&(string->u.lheader))) |
| 428 | 4302 { |
| 4303 from_pos += fullsize; | |
| 4304 continue; | |
| 4305 } | |
| 4306 | |
| 4307 /* If it won't fit in what's left of TO_SB, close TO_SB out | |
| 4308 and go on to the next string_chars_block. We know that TO_SB | |
| 4309 cannot advance past FROM_SB here since FROM_SB is large enough | |
| 4310 to currently contain this string. */ | |
| 4311 if ((to_pos + fullsize) > countof (to_sb->string_chars)) | |
| 4312 { | |
| 4313 to_sb->pos = to_pos; | |
| 4314 to_sb = to_sb->next; | |
| 4315 to_pos = 0; | |
| 4316 } | |
| 4317 | |
| 4318 /* Compute new address of this string | |
| 4319 and update TO_POS for the space being used. */ | |
| 4320 to_s_chars = (struct string_chars *) &(to_sb->string_chars[to_pos]); | |
| 4321 | |
| 4322 /* Copy the string_chars to the new place. */ | |
| 4323 if (from_s_chars != to_s_chars) | |
| 4324 memmove (to_s_chars, from_s_chars, fullsize); | |
| 4325 | |
| 4326 /* Relocate FROM_S_CHARS's reference */ | |
| 826 | 4327 set_lispstringp_data (string, &(to_s_chars->chars[0])); |
| 428 | 4328 |
| 4329 from_pos += fullsize; | |
| 4330 to_pos += fullsize; | |
| 4331 } | |
| 4332 } | |
| 4333 | |
| 4334 /* Set current to the last string chars block still used and | |
| 4335 free any that follow. */ | |
| 4336 { | |
| 4337 struct string_chars_block *victim; | |
| 4338 | |
| 4339 for (victim = to_sb->next; victim; ) | |
| 4340 { | |
| 4341 struct string_chars_block *next = victim->next; | |
|
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diff
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|
4342 xfree (victim); |
| 428 | 4343 victim = next; |
| 4344 } | |
| 4345 | |
| 4346 current_string_chars_block = to_sb; | |
| 4347 current_string_chars_block->pos = to_pos; | |
| 4348 current_string_chars_block->next = 0; | |
| 4349 } | |
| 4350 } | |
| 3092 | 4351 #endif /* not NEW_GC */ |
| 428 | 4352 |
| 3263 | 4353 #ifndef NEW_GC |
| 428 | 4354 #if 1 /* Hack to debug missing purecopy's */ |
| 4355 static int debug_string_purity; | |
| 4356 | |
| 4357 static void | |
| 793 | 4358 debug_string_purity_print (Lisp_Object p) |
| 428 | 4359 { |
| 4360 Charcount i; | |
| 826 | 4361 Charcount s = string_char_length (p); |
| 442 | 4362 stderr_out ("\""); |
| 428 | 4363 for (i = 0; i < s; i++) |
| 4364 { | |
| 867 | 4365 Ichar ch = string_ichar (p, i); |
| 428 | 4366 if (ch < 32 || ch >= 126) |
| 4367 stderr_out ("\\%03o", ch); | |
| 4368 else if (ch == '\\' || ch == '\"') | |
| 4369 stderr_out ("\\%c", ch); | |
| 4370 else | |
| 4371 stderr_out ("%c", ch); | |
| 4372 } | |
| 4373 stderr_out ("\"\n"); | |
| 4374 } | |
| 4375 #endif /* 1 */ | |
| 3263 | 4376 #endif /* not NEW_GC */ |
| 4377 | |
| 4378 #ifndef NEW_GC | |
| 428 | 4379 static void |
| 4380 sweep_strings (void) | |
| 4381 { | |
| 647 | 4382 int num_small_used = 0; |
| 4383 Bytecount num_small_bytes = 0, num_bytes = 0; | |
| 428 | 4384 int debug = debug_string_purity; |
| 4385 | |
| 793 | 4386 #define UNMARK_string(ptr) do { \ |
| 4387 Lisp_String *p = (ptr); \ | |
| 4388 Bytecount size = p->size_; \ | |
| 4389 UNMARK_RECORD_HEADER (&(p->u.lheader)); \ | |
| 4390 num_bytes += size; \ | |
| 4391 if (!BIG_STRING_SIZE_P (size)) \ | |
| 4392 { \ | |
| 4393 num_small_bytes += size; \ | |
| 4394 num_small_used++; \ | |
| 4395 } \ | |
| 4396 if (debug) \ | |
| 4397 debug_string_purity_print (wrap_string (p)); \ | |
| 438 | 4398 } while (0) |
| 4399 #define ADDITIONAL_FREE_string(ptr) do { \ | |
| 793 | 4400 Bytecount size = ptr->size_; \ |
| 438 | 4401 if (BIG_STRING_SIZE_P (size)) \ |
|
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diff
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|
4402 xfree (ptr->data_); \ |
| 438 | 4403 } while (0) |
| 4404 | |
| 771 | 4405 SWEEP_FIXED_TYPE_BLOCK_1 (string, Lisp_String, u.lheader); |
| 428 | 4406 |
| 4407 gc_count_num_short_string_in_use = num_small_used; | |
| 4408 gc_count_string_total_size = num_bytes; | |
| 4409 gc_count_short_string_total_size = num_small_bytes; | |
| 4410 } | |
| 3263 | 4411 #endif /* not NEW_GC */ |
| 428 | 4412 |
| 3092 | 4413 #ifndef NEW_GC |
| 4414 void | |
| 4415 gc_sweep_1 (void) | |
| 428 | 4416 { |
|
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|
4417 /* Reset all statistics to 0. They will be incremented when |
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|
4418 sweeping lcrecords, frob-block lrecords and dumped objects. */ |
|
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|
4419 xzero (lrecord_stats); |
|
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|
4420 |
| 428 | 4421 /* Free all unmarked records. Do this at the very beginning, |
| 4422 before anything else, so that the finalize methods can safely | |
| 4423 examine items in the objects. sweep_lcrecords_1() makes | |
| 4424 sure to call all the finalize methods *before* freeing anything, | |
| 4425 to complete the safety. */ | |
| 4426 { | |
| 4427 int ignored; | |
| 4428 sweep_lcrecords_1 (&all_lcrecords, &ignored); | |
| 4429 } | |
| 4430 | |
| 4431 compact_string_chars (); | |
| 4432 | |
| 4433 /* Finalize methods below (called through the ADDITIONAL_FREE_foo | |
| 4434 macros) must be *extremely* careful to make sure they're not | |
| 4435 referencing freed objects. The only two existing finalize | |
| 4436 methods (for strings and markers) pass muster -- the string | |
| 4437 finalizer doesn't look at anything but its own specially- | |
| 4438 created block, and the marker finalizer only looks at live | |
| 4439 buffers (which will never be freed) and at the markers before | |
| 4440 and after it in the chain (which, by induction, will never be | |
| 4441 freed because if so, they would have already removed themselves | |
| 4442 from the chain). */ | |
| 4443 | |
| 4444 /* Put all unmarked strings on free list, free'ing the string chars | |
| 4445 of large unmarked strings */ | |
| 4446 sweep_strings (); | |
| 4447 | |
| 4448 /* Put all unmarked conses on free list */ | |
| 4449 sweep_conses (); | |
| 4450 | |
| 4451 /* Free all unmarked compiled-function objects */ | |
| 4452 sweep_compiled_functions (); | |
| 4453 | |
| 4454 /* Put all unmarked floats on free list */ | |
| 4455 sweep_floats (); | |
| 4456 | |
| 1983 | 4457 #ifdef HAVE_BIGNUM |
| 4458 /* Put all unmarked bignums on free list */ | |
| 4459 sweep_bignums (); | |
| 4460 #endif | |
| 4461 | |
| 4462 #ifdef HAVE_RATIO | |
| 4463 /* Put all unmarked ratios on free list */ | |
| 4464 sweep_ratios (); | |
| 4465 #endif | |
| 4466 | |
| 4467 #ifdef HAVE_BIGFLOAT | |
| 4468 /* Put all unmarked bigfloats on free list */ | |
| 4469 sweep_bigfloats (); | |
| 4470 #endif | |
| 4471 | |
| 428 | 4472 /* Put all unmarked symbols on free list */ |
| 4473 sweep_symbols (); | |
| 4474 | |
| 4475 /* Put all unmarked extents on free list */ | |
| 4476 sweep_extents (); | |
| 4477 | |
| 4478 /* Put all unmarked markers on free list. | |
| 4479 Dechain each one first from the buffer into which it points. */ | |
| 4480 sweep_markers (); | |
| 4481 | |
| 4482 sweep_events (); | |
| 4483 | |
| 1204 | 4484 #ifdef EVENT_DATA_AS_OBJECTS |
| 934 | 4485 sweep_key_data (); |
| 4486 sweep_button_data (); | |
| 4487 sweep_motion_data (); | |
| 4488 sweep_process_data (); | |
| 4489 sweep_timeout_data (); | |
| 4490 sweep_magic_data (); | |
| 4491 sweep_magic_eval_data (); | |
| 4492 sweep_eval_data (); | |
| 4493 sweep_misc_user_data (); | |
| 1204 | 4494 #endif /* EVENT_DATA_AS_OBJECTS */ |
| 3263 | 4495 #endif /* not NEW_GC */ |
| 4496 | |
| 4497 #ifndef NEW_GC | |
| 428 | 4498 #ifdef PDUMP |
| 442 | 4499 pdump_objects_unmark (); |
| 428 | 4500 #endif |
| 4501 } | |
| 3092 | 4502 #endif /* not NEW_GC */ |
| 428 | 4503 |
| 4504 /* Clearing for disksave. */ | |
| 4505 | |
| 4506 void | |
| 4507 disksave_object_finalization (void) | |
| 4508 { | |
| 4509 /* It's important that certain information from the environment not get | |
| 4510 dumped with the executable (pathnames, environment variables, etc.). | |
| 4511 To make it easier to tell when this has happened with strings(1) we | |
| 4512 clear some known-to-be-garbage blocks of memory, so that leftover | |
| 4513 results of old evaluation don't look like potential problems. | |
| 4514 But first we set some notable variables to nil and do one more GC, | |
| 4515 to turn those strings into garbage. | |
| 440 | 4516 */ |
| 428 | 4517 |
| 4518 /* Yeah, this list is pretty ad-hoc... */ | |
| 4519 Vprocess_environment = Qnil; | |
| 771 | 4520 env_initted = 0; |
| 428 | 4521 Vexec_directory = Qnil; |
| 4522 Vdata_directory = Qnil; | |
| 4523 Vsite_directory = Qnil; | |
| 4524 Vdoc_directory = Qnil; | |
| 4525 Vexec_path = Qnil; | |
| 4526 Vload_path = Qnil; | |
| 4527 /* Vdump_load_path = Qnil; */ | |
| 4528 /* Release hash tables for locate_file */ | |
| 4529 Flocate_file_clear_hashing (Qt); | |
| 771 | 4530 uncache_home_directory (); |
| 776 | 4531 zero_out_command_line_status_vars (); |
| 872 | 4532 clear_default_devices (); |
| 428 | 4533 |
| 4534 #if defined(LOADHIST) && !(defined(LOADHIST_DUMPED) || \ | |
| 4535 defined(LOADHIST_BUILTIN)) | |
| 4536 Vload_history = Qnil; | |
| 4537 #endif | |
| 4538 Vshell_file_name = Qnil; | |
| 4539 | |
| 3092 | 4540 #ifdef NEW_GC |
| 4541 gc_full (); | |
| 4542 #else /* not NEW_GC */ | |
| 428 | 4543 garbage_collect_1 (); |
| 3092 | 4544 #endif /* not NEW_GC */ |
| 428 | 4545 |
| 4546 /* Run the disksave finalization methods of all live objects. */ | |
| 4547 disksave_object_finalization_1 (); | |
| 4548 | |
| 3092 | 4549 #ifndef NEW_GC |
| 428 | 4550 /* Zero out the uninitialized (really, unused) part of the containers |
| 4551 for the live strings. */ | |
| 4552 { | |
| 4553 struct string_chars_block *scb; | |
| 4554 for (scb = first_string_chars_block; scb; scb = scb->next) | |
| 4555 { | |
| 4556 int count = sizeof (scb->string_chars) - scb->pos; | |
| 4557 | |
| 4558 assert (count >= 0 && count < STRING_CHARS_BLOCK_SIZE); | |
| 440 | 4559 if (count != 0) |
| 4560 { | |
| 4561 /* from the block's fill ptr to the end */ | |
| 4562 memset ((scb->string_chars + scb->pos), 0, count); | |
| 4563 } | |
| 428 | 4564 } |
| 4565 } | |
| 3092 | 4566 #endif /* not NEW_GC */ |
| 428 | 4567 |
| 4568 /* There, that ought to be enough... */ | |
| 4569 | |
| 4570 } | |
| 4571 | |
| 2994 | 4572 #ifdef ALLOC_TYPE_STATS |
| 4573 | |
| 2720 | 4574 static Lisp_Object |
| 2994 | 4575 gc_plist_hack (const Ascbyte *name, EMACS_INT value, Lisp_Object tail) |
| 2720 | 4576 { |
| 4577 /* C doesn't have local functions (or closures, or GC, or readable syntax, | |
| 4578 or portable numeric datatypes, or bit-vectors, or characters, or | |
| 4579 arrays, or exceptions, or ...) */ | |
| 4580 return cons3 (intern (name), make_int (value), tail); | |
| 4581 } | |
| 2775 | 4582 |
|
5058
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4583 /* Pluralize a lowercase English word stored in BUF, assuming BUF has |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4584 enough space to hold the extra letters (at most 2). */ |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4585 static void |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4586 pluralize_word (Ascbyte *buf) |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4587 { |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4588 Bytecount len = strlen (buf); |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4589 int upper = 0; |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4590 Ascbyte d, e; |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4591 |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4592 if (len == 0 || len == 1) |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4593 goto pluralize_apostrophe_s; |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4594 e = buf[len - 1]; |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4595 d = buf[len - 2]; |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4596 upper = isupper (e); |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4597 e = tolower (e); |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4598 d = tolower (d); |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4599 if (e == 'y') |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4600 { |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4601 switch (d) |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4602 { |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4603 case 'a': |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4604 case 'e': |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4605 case 'i': |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4606 case 'o': |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4607 case 'u': |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4608 goto pluralize_s; |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4609 default: |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4610 buf[len - 1] = (upper ? 'I' : 'i'); |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4611 goto pluralize_es; |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4612 } |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4613 } |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4614 else if (e == 's' || e == 'x' || (e == 'h' && (d == 's' || d == 'c'))) |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4615 { |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4616 pluralize_es: |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4617 buf[len++] = (upper ? 'E' : 'e'); |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4618 } |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4619 pluralize_s: |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4620 buf[len++] = (upper ? 'S' : 's'); |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4621 buf[len] = '\0'; |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4622 return; |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4623 |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4624 pluralize_apostrophe_s: |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4625 buf[len++] = '\''; |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4626 goto pluralize_s; |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4627 } |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4628 |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4629 static void |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4630 pluralize_and_append (Ascbyte *buf, const Ascbyte *name, const Ascbyte *suffix) |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4631 { |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4632 strcpy (buf, name); |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4633 pluralize_word (buf); |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4634 strcat (buf, suffix); |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4635 } |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4636 |
| 2994 | 4637 static Lisp_Object |
| 4638 object_memory_usage_stats (int set_total_gc_usage) | |
| 2720 | 4639 { |
| 4640 Lisp_Object pl = Qnil; | |
| 4641 int i; | |
| 2994 | 4642 EMACS_INT tgu_val = 0; |
| 4643 | |
| 3263 | 4644 #ifdef NEW_GC |
| 2775 | 4645 |
| 3461 | 4646 for (i = 0; i < countof (lrecord_implementations_table); i++) |
| 2720 | 4647 { |
| 4648 if (lrecord_stats[i].instances_in_use != 0) | |
| 4649 { | |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
4650 Ascbyte buf[255]; |
|
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4938
diff
changeset
|
4651 const Ascbyte *name = lrecord_implementations_table[i]->name; |
| 2720 | 4652 |
| 4653 if (lrecord_stats[i].bytes_in_use_including_overhead != | |
| 4654 lrecord_stats[i].bytes_in_use) | |
| 4655 { | |
| 4656 sprintf (buf, "%s-storage-including-overhead", name); | |
| 4657 pl = gc_plist_hack (buf, | |
| 4658 lrecord_stats[i] | |
| 4659 .bytes_in_use_including_overhead, | |
| 4660 pl); | |
| 4661 } | |
| 4662 | |
| 4663 sprintf (buf, "%s-storage", name); | |
| 4664 pl = gc_plist_hack (buf, | |
| 4665 lrecord_stats[i].bytes_in_use, | |
| 4666 pl); | |
| 2994 | 4667 tgu_val += lrecord_stats[i].bytes_in_use_including_overhead; |
|
5058
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4668 |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4669 pluralize_and_append (buf, name, "-used"); |
| 2720 | 4670 pl = gc_plist_hack (buf, lrecord_stats[i].instances_in_use, pl); |
| 4671 } | |
| 4672 } | |
| 2994 | 4673 |
| 3263 | 4674 #else /* not NEW_GC */ |
| 428 | 4675 |
|
5059
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4676 #define HACK_O_MATIC(type, name, pl) \ |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4677 do { \ |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4678 COUNT_FROB_BLOCK_USAGE (type); \ |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4679 tgu_val += s; \ |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4680 (pl) = gc_plist_hack ((name), s, (pl)); \ |
| 428 | 4681 } while (0) |
| 4682 | |
|
5059
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4683 #define FROB(type) \ |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4684 do { \ |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4685 COUNT_FROB_BLOCK_USAGE (type); \ |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4686 tgu_val += s; \ |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4687 } while (0) |
|
5058
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4688 |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4689 FROB (extent); |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4690 FROB (event); |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4691 FROB (marker); |
|
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4692 FROB (float); |
| 1983 | 4693 #ifdef HAVE_BIGNUM |
|
5058
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4694 FROB (bignum); |
| 1983 | 4695 #endif /* HAVE_BIGNUM */ |
| 4696 #ifdef HAVE_RATIO | |
|
5058
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4697 FROB (ratio); |
| 1983 | 4698 #endif /* HAVE_RATIO */ |
| 4699 #ifdef HAVE_BIGFLOAT | |
|
5058
eb17f0c176ac
clean up a bit the object-memory-usage-stats after gc
Ben Wing <ben@xemacs.org>
parents:
5046
diff
changeset
|
4700 FROB (bigfloat); |
| 1983 | 4701 #endif /* HAVE_BIGFLOAT */ |
|
5059
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4702 FROB (compiled_function); |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4703 FROB (symbol); |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4704 FROB (cons); |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4705 |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4706 #undef FROB |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4707 |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4708 for (i = 0; i < lrecord_type_count; i++) |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4709 { |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4710 if (lrecord_stats[i].bytes_in_use != 0 |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4711 || lrecord_stats[i].bytes_freed != 0 |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4712 || lrecord_stats[i].instances_on_free_list != 0) |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4713 { |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4714 Ascbyte buf[255]; |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4715 const Ascbyte *name = lrecord_implementations_table[i]->name; |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4716 |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4717 sprintf (buf, "%s-storage", name); |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4718 pl = gc_plist_hack (buf, lrecord_stats[i].bytes_in_use, pl); |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4719 tgu_val += lrecord_stats[i].bytes_in_use; |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4720 pluralize_and_append (buf, name, "-freed"); |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4721 if (lrecord_stats[i].instances_freed != 0) |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4722 pl = gc_plist_hack (buf, lrecord_stats[i].instances_freed, pl); |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4723 pluralize_and_append (buf, name, "-on-free-list"); |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4724 if (lrecord_stats[i].instances_on_free_list != 0) |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4725 pl = gc_plist_hack (buf, lrecord_stats[i].instances_on_free_list, |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4726 pl); |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4727 pluralize_and_append (buf, name, "-used"); |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4728 pl = gc_plist_hack (buf, lrecord_stats[i].instances_in_use, pl); |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4729 } |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4730 } |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4731 |
| 428 | 4732 HACK_O_MATIC (string, "string-header-storage", pl); |
| 4733 pl = gc_plist_hack ("long-strings-total-length", | |
| 4734 gc_count_string_total_size | |
| 4735 - gc_count_short_string_total_size, pl); | |
| 4736 HACK_O_MATIC (string_chars, "short-string-storage", pl); | |
| 4737 pl = gc_plist_hack ("short-strings-total-length", | |
| 4738 gc_count_short_string_total_size, pl); | |
| 4739 pl = gc_plist_hack ("strings-free", gc_count_num_string_freelist, pl); | |
| 4740 pl = gc_plist_hack ("long-strings-used", | |
| 4741 gc_count_num_string_in_use | |
| 4742 - gc_count_num_short_string_in_use, pl); | |
| 4743 pl = gc_plist_hack ("short-strings-used", | |
| 4744 gc_count_num_short_string_in_use, pl); | |
| 4745 | |
| 2994 | 4746 #undef HACK_O_MATIC |
| 4747 | |
| 3263 | 4748 #endif /* NEW_GC */ |
| 2994 | 4749 |
| 4750 if (set_total_gc_usage) | |
| 4751 { | |
| 4752 total_gc_usage = tgu_val; | |
| 4753 total_gc_usage_set = 1; | |
| 4754 } | |
| 4755 | |
| 4756 return pl; | |
| 4757 } | |
| 4758 | |
| 4759 DEFUN("object-memory-usage-stats", Fobject_memory_usage_stats, 0, 0 ,"", /* | |
| 4760 Return statistics about memory usage of Lisp objects. | |
| 4761 */ | |
| 4762 ()) | |
| 4763 { | |
| 4764 return object_memory_usage_stats (0); | |
| 4765 } | |
| 4766 | |
| 4767 #endif /* ALLOC_TYPE_STATS */ | |
| 4768 | |
| 4769 /* Debugging aids. */ | |
| 4770 | |
| 4771 DEFUN ("garbage-collect", Fgarbage_collect, 0, 0, "", /* | |
| 4772 Reclaim storage for Lisp objects no longer needed. | |
| 4773 Return info on amount of space in use: | |
| 4774 ((USED-CONSES . FREE-CONSES) (USED-SYMS . FREE-SYMS) | |
| 4775 (USED-MARKERS . FREE-MARKERS) USED-STRING-CHARS USED-VECTOR-SLOTS | |
| 4776 PLIST) | |
| 4777 where `PLIST' is a list of alternating keyword/value pairs providing | |
| 4778 more detailed information. | |
| 4779 Garbage collection happens automatically if you cons more than | |
| 4780 `gc-cons-threshold' bytes of Lisp data since previous garbage collection. | |
| 4781 */ | |
| 4782 ()) | |
| 4783 { | |
| 4784 /* Record total usage for purposes of determining next GC */ | |
| 3092 | 4785 #ifdef NEW_GC |
| 4786 gc_full (); | |
| 4787 #else /* not NEW_GC */ | |
| 2994 | 4788 garbage_collect_1 (); |
| 3092 | 4789 #endif /* not NEW_GC */ |
| 2994 | 4790 |
| 4791 /* This will get set to 1, and total_gc_usage computed, as part of the | |
| 4792 call to object_memory_usage_stats() -- if ALLOC_TYPE_STATS is enabled. */ | |
| 4793 total_gc_usage_set = 0; | |
| 4794 #ifdef ALLOC_TYPE_STATS | |
| 428 | 4795 /* The things we do for backwards-compatibility */ |
| 3263 | 4796 #ifdef NEW_GC |
| 2994 | 4797 return |
| 4798 list6 | |
| 4799 (Fcons (make_int (lrecord_stats[lrecord_type_cons].instances_in_use), | |
| 4800 make_int (lrecord_stats[lrecord_type_cons] | |
| 4801 .bytes_in_use_including_overhead)), | |
| 4802 Fcons (make_int (lrecord_stats[lrecord_type_symbol].instances_in_use), | |
| 4803 make_int (lrecord_stats[lrecord_type_symbol] | |
| 4804 .bytes_in_use_including_overhead)), | |
| 4805 Fcons (make_int (lrecord_stats[lrecord_type_marker].instances_in_use), | |
| 4806 make_int (lrecord_stats[lrecord_type_marker] | |
| 4807 .bytes_in_use_including_overhead)), | |
| 4808 make_int (lrecord_stats[lrecord_type_string] | |
| 4809 .bytes_in_use_including_overhead), | |
| 4810 make_int (lrecord_stats[lrecord_type_vector] | |
| 4811 .bytes_in_use_including_overhead), | |
| 4812 object_memory_usage_stats (1)); | |
| 3263 | 4813 #else /* not NEW_GC */ |
| 428 | 4814 return |
| 4815 list6 (Fcons (make_int (gc_count_num_cons_in_use), | |
| 4816 make_int (gc_count_num_cons_freelist)), | |
| 4817 Fcons (make_int (gc_count_num_symbol_in_use), | |
| 4818 make_int (gc_count_num_symbol_freelist)), | |
| 4819 Fcons (make_int (gc_count_num_marker_in_use), | |
| 4820 make_int (gc_count_num_marker_freelist)), | |
| 4821 make_int (gc_count_string_total_size), | |
|
5059
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4822 make_int (lrecord_stats[lrecord_type_vector].bytes_in_use + |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4823 lrecord_stats[lrecord_type_vector].bytes_freed + |
|
c8f90d61dcf3
fix memory usage stats to include pdumped objects
Ben Wing <ben@xemacs.org>
parents:
5058
diff
changeset
|
4824 lrecord_stats[lrecord_type_vector].bytes_on_free_list), |
| 2994 | 4825 object_memory_usage_stats (1)); |
| 3263 | 4826 #endif /* not NEW_GC */ |
| 2994 | 4827 #else /* not ALLOC_TYPE_STATS */ |
| 4828 return Qnil; | |
| 4829 #endif /* ALLOC_TYPE_STATS */ | |
| 4830 } | |
| 428 | 4831 |
| 4832 DEFUN ("consing-since-gc", Fconsing_since_gc, 0, 0, "", /* | |
| 4833 Return the number of bytes consed since the last garbage collection. | |
| 4834 \"Consed\" is a misnomer in that this actually counts allocation | |
| 4835 of all different kinds of objects, not just conses. | |
| 4836 | |
| 4837 If this value exceeds `gc-cons-threshold', a garbage collection happens. | |
| 4838 */ | |
| 4839 ()) | |
| 4840 { | |
| 4841 return make_int (consing_since_gc); | |
| 4842 } | |
| 4843 | |
| 440 | 4844 #if 0 |
| 444 | 4845 DEFUN ("memory-limit", Fmemory_limit, 0, 0, 0, /* |
| 801 | 4846 Return the address of the last byte XEmacs has allocated, divided by 1024. |
| 4847 This may be helpful in debugging XEmacs's memory usage. | |
| 428 | 4848 The value is divided by 1024 to make sure it will fit in a lisp integer. |
| 4849 */ | |
| 4850 ()) | |
| 4851 { | |
| 4852 return make_int ((EMACS_INT) sbrk (0) / 1024); | |
| 4853 } | |
| 440 | 4854 #endif |
| 428 | 4855 |
| 2994 | 4856 DEFUN ("total-memory-usage", Ftotal_memory_usage, 0, 0, 0, /* |
| 801 | 4857 Return the total number of bytes used by the data segment in XEmacs. |
| 4858 This may be helpful in debugging XEmacs's memory usage. | |
| 2994 | 4859 NOTE: This may or may not be accurate! It is hard to determine this |
| 4860 value in a system-independent fashion. On Windows, for example, the | |
| 4861 returned number tends to be much greater than reality. | |
| 801 | 4862 */ |
| 4863 ()) | |
| 4864 { | |
| 4865 return make_int (total_data_usage ()); | |
| 4866 } | |
| 4867 | |
| 2994 | 4868 #ifdef ALLOC_TYPE_STATS |
| 4869 DEFUN ("object-memory-usage", Fobject_memory_usage, 0, 0, 0, /* | |
| 4870 Return total number of bytes used for object storage in XEmacs. | |
| 4871 This may be helpful in debugging XEmacs's memory usage. | |
| 4872 See also `consing-since-gc' and `object-memory-usage-stats'. | |
| 4873 */ | |
| 4874 ()) | |
| 4875 { | |
| 4876 return make_int (total_gc_usage + consing_since_gc); | |
| 4877 } | |
| 4878 #endif /* ALLOC_TYPE_STATS */ | |
| 4879 | |
|
4803
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
parents:
4776
diff
changeset
|
4880 #ifdef USE_VALGRIND |
|
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
parents:
4776
diff
changeset
|
4881 DEFUN ("valgrind-leak-check", Fvalgrind_leak_check, 0, 0, "", /* |
|
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
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4776
diff
changeset
|
4882 Ask valgrind to perform a memory leak check. |
|
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
parents:
4776
diff
changeset
|
4883 The results of the leak check are sent to stderr. |
|
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
parents:
4776
diff
changeset
|
4884 */ |
|
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
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diff
changeset
|
4885 ()) |
|
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
parents:
4776
diff
changeset
|
4886 { |
|
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
parents:
4776
diff
changeset
|
4887 VALGRIND_DO_LEAK_CHECK; |
|
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
parents:
4776
diff
changeset
|
4888 return Qnil; |
|
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
parents:
4776
diff
changeset
|
4889 } |
|
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
parents:
4776
diff
changeset
|
4890 |
|
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
parents:
4776
diff
changeset
|
4891 DEFUN ("valgrind-quick-leak-check", Fvalgrind_quick_leak_check, 0, 0, "", /* |
|
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
parents:
4776
diff
changeset
|
4892 Ask valgrind to perform a quick memory leak check. |
|
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
parents:
4776
diff
changeset
|
4893 This just prints a summary of leaked memory, rather than all the details. |
|
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
parents:
4776
diff
changeset
|
4894 The results of the leak check are sent to stderr. |
|
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
parents:
4776
diff
changeset
|
4895 */ |
|
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
parents:
4776
diff
changeset
|
4896 ()) |
|
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
parents:
4776
diff
changeset
|
4897 { |
|
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
parents:
4776
diff
changeset
|
4898 VALGRIND_DO_QUICK_LEAK_CHECK; |
|
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
parents:
4776
diff
changeset
|
4899 return Qnil; |
|
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
parents:
4776
diff
changeset
|
4900 } |
|
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
parents:
4776
diff
changeset
|
4901 #endif /* USE_VALGRIND */ |
|
5d120deb60ca
Enable rudimentary support for valgrind, including functions that tell valgrind
Jerry James <james@xemacs.org>
parents:
4776
diff
changeset
|
4902 |
| 851 | 4903 void |
| 4904 recompute_funcall_allocation_flag (void) | |
| 4905 { | |
| 887 | 4906 funcall_allocation_flag = |
| 4907 need_to_garbage_collect || | |
| 4908 need_to_check_c_alloca || | |
| 4909 need_to_signal_post_gc; | |
| 851 | 4910 } |
| 4911 | |
| 428 | 4912 |
| 4913 int | |
| 4914 object_dead_p (Lisp_Object obj) | |
| 4915 { | |
| 4916 return ((BUFFERP (obj) && !BUFFER_LIVE_P (XBUFFER (obj))) || | |
| 4917 (FRAMEP (obj) && !FRAME_LIVE_P (XFRAME (obj))) || | |
| 4918 (WINDOWP (obj) && !WINDOW_LIVE_P (XWINDOW (obj))) || | |
| 4919 (DEVICEP (obj) && !DEVICE_LIVE_P (XDEVICE (obj))) || | |
| 4920 (CONSOLEP (obj) && !CONSOLE_LIVE_P (XCONSOLE (obj))) || | |
| 4921 (EVENTP (obj) && !EVENT_LIVE_P (XEVENT (obj))) || | |
| 4922 (EXTENTP (obj) && !EXTENT_LIVE_P (XEXTENT (obj)))); | |
| 4923 } | |
| 4924 | |
| 4925 #ifdef MEMORY_USAGE_STATS | |
| 4926 | |
| 4927 /* Attempt to determine the actual amount of space that is used for | |
| 4928 the block allocated starting at PTR, supposedly of size "CLAIMED_SIZE". | |
| 4929 | |
| 4930 It seems that the following holds: | |
| 4931 | |
| 4932 1. When using the old allocator (malloc.c): | |
| 4933 | |
| 4934 -- blocks are always allocated in chunks of powers of two. For | |
| 4935 each block, there is an overhead of 8 bytes if rcheck is not | |
| 4936 defined, 20 bytes if it is defined. In other words, a | |
| 4937 one-byte allocation needs 8 bytes of overhead for a total of | |
| 4938 9 bytes, and needs to have 16 bytes of memory chunked out for | |
| 4939 it. | |
| 4940 | |
| 4941 2. When using the new allocator (gmalloc.c): | |
| 4942 | |
| 4943 -- blocks are always allocated in chunks of powers of two up | |
| 4944 to 4096 bytes. Larger blocks are allocated in chunks of | |
| 4945 an integral multiple of 4096 bytes. The minimum block | |
| 4946 size is 2*sizeof (void *), or 16 bytes if SUNOS_LOCALTIME_BUG | |
| 4947 is defined. There is no per-block overhead, but there | |
| 4948 is an overhead of 3*sizeof (size_t) for each 4096 bytes | |
| 4949 allocated. | |
| 4950 | |
| 4951 3. When using the system malloc, anything goes, but they are | |
| 4952 generally slower and more space-efficient than the GNU | |
| 4953 allocators. One possibly reasonable assumption to make | |
| 4954 for want of better data is that sizeof (void *), or maybe | |
| 4955 2 * sizeof (void *), is required as overhead and that | |
| 4956 blocks are allocated in the minimum required size except | |
| 4957 that some minimum block size is imposed (e.g. 16 bytes). */ | |
| 4958 | |
| 665 | 4959 Bytecount |
|
5127
a9c41067dd88
more cleanups, terminology clarification, lots of doc work
Ben Wing <ben@xemacs.org>
parents:
5126
diff
changeset
|
4960 malloced_storage_size (void * UNUSED (ptr), Bytecount claimed_size, |
| 428 | 4961 struct overhead_stats *stats) |
| 4962 { | |
| 665 | 4963 Bytecount orig_claimed_size = claimed_size; |
| 428 | 4964 |
|
4735
80d74fed5399
Remove "old" GNU malloc in src/malloc.c, and all references to it. Drop the
Jerry James <james@xemacs.org>
parents:
4693
diff
changeset
|
4965 #ifndef SYSTEM_MALLOC |
| 665 | 4966 if (claimed_size < (Bytecount) (2 * sizeof (void *))) |
| 428 | 4967 claimed_size = 2 * sizeof (void *); |
| 4968 # ifdef SUNOS_LOCALTIME_BUG | |
| 4969 if (claimed_size < 16) | |
| 4970 claimed_size = 16; | |
| 4971 # endif | |
| 4972 if (claimed_size < 4096) | |
| 4973 { | |
| 2260 | 4974 /* fxg: rename log->log2 to supress gcc3 shadow warning */ |
| 4975 int log2 = 1; | |
| 428 | 4976 |
| 4977 /* compute the log base two, more or less, then use it to compute | |
| 4978 the block size needed. */ | |
| 4979 claimed_size--; | |
| 4980 /* It's big, it's heavy, it's wood! */ | |
| 4981 while ((claimed_size /= 2) != 0) | |
| 2260 | 4982 ++log2; |
| 428 | 4983 claimed_size = 1; |
| 4984 /* It's better than bad, it's good! */ | |
| 2260 | 4985 while (log2 > 0) |
| 428 | 4986 { |
| 4987 claimed_size *= 2; | |
| 2260 | 4988 log2--; |
| 428 | 4989 } |
| 4990 /* We have to come up with some average about the amount of | |
| 4991 blocks used. */ | |
| 665 | 4992 if ((Bytecount) (rand () & 4095) < claimed_size) |
| 428 | 4993 claimed_size += 3 * sizeof (void *); |
| 4994 } | |
| 4995 else | |
| 4996 { | |
| 4997 claimed_size += 4095; | |
| 4998 claimed_size &= ~4095; | |
| 4999 claimed_size += (claimed_size / 4096) * 3 * sizeof (size_t); | |
| 5000 } | |
| 5001 | |
|
4735
80d74fed5399
Remove "old" GNU malloc in src/malloc.c, and all references to it. Drop the
Jerry James <james@xemacs.org>
parents:
4693
diff
changeset
|
5002 #else |
| 428 | 5003 |
| 5004 if (claimed_size < 16) | |
| 5005 claimed_size = 16; | |
| 5006 claimed_size += 2 * sizeof (void *); | |
| 5007 | |
|
4735
80d74fed5399
Remove "old" GNU malloc in src/malloc.c, and all references to it. Drop the
Jerry James <james@xemacs.org>
parents:
4693
diff
changeset
|
5008 #endif /* system allocator */ |
| 428 | 5009 |
| 5010 if (stats) | |
| 5011 { | |
| 5012 stats->was_requested += orig_claimed_size; | |
| 5013 stats->malloc_overhead += claimed_size - orig_claimed_size; | |
| 5014 } | |
| 5015 return claimed_size; | |
| 5016 } | |
| 5017 | |
| 3263 | 5018 #ifndef NEW_GC |
| 665 | 5019 Bytecount |
| 5020 fixed_type_block_overhead (Bytecount size) | |
| 428 | 5021 { |
| 665 | 5022 Bytecount per_block = TYPE_ALLOC_SIZE (cons, unsigned char); |
| 5023 Bytecount overhead = 0; | |
| 5024 Bytecount storage_size = malloced_storage_size (0, per_block, 0); | |
| 428 | 5025 while (size >= per_block) |
| 5026 { | |
| 5027 size -= per_block; | |
| 5028 overhead += sizeof (void *) + per_block - storage_size; | |
| 5029 } | |
| 5030 if (rand () % per_block < size) | |
| 5031 overhead += sizeof (void *) + per_block - storage_size; | |
| 5032 return overhead; | |
| 5033 } | |
| 3263 | 5034 #endif /* not NEW_GC */ |
| 428 | 5035 #endif /* MEMORY_USAGE_STATS */ |
| 5036 | |
| 5037 | |
| 5038 /* Initialization */ | |
| 771 | 5039 static void |
| 1204 | 5040 common_init_alloc_early (void) |
| 428 | 5041 { |
| 771 | 5042 #ifndef Qzero |
| 5043 Qzero = make_int (0); /* Only used if Lisp_Object is a union type */ | |
| 5044 #endif | |
| 5045 | |
| 5046 #ifndef Qnull_pointer | |
| 5047 /* C guarantees that Qnull_pointer will be initialized to all 0 bits, | |
| 5048 so the following is actually a no-op. */ | |
| 793 | 5049 Qnull_pointer = wrap_pointer_1 (0); |
| 771 | 5050 #endif |
| 5051 | |
| 3263 | 5052 #ifndef NEW_GC |
| 428 | 5053 breathing_space = 0; |
| 5054 all_lcrecords = 0; | |
| 3263 | 5055 #endif /* not NEW_GC */ |
| 428 | 5056 ignore_malloc_warnings = 1; |
| 5057 #ifdef DOUG_LEA_MALLOC | |
| 5058 mallopt (M_TRIM_THRESHOLD, 128*1024); /* trim threshold */ | |
| 5059 mallopt (M_MMAP_THRESHOLD, 64*1024); /* mmap threshold */ | |
| 5060 #if 0 /* Moved to emacs.c */ | |
| 5061 mallopt (M_MMAP_MAX, 64); /* max. number of mmap'ed areas */ | |
| 5062 #endif | |
| 5063 #endif | |
| 3092 | 5064 #ifndef NEW_GC |
| 2720 | 5065 init_string_chars_alloc (); |
| 428 | 5066 init_string_alloc (); |
| 5067 init_string_chars_alloc (); | |
| 5068 init_cons_alloc (); | |
| 5069 init_symbol_alloc (); | |
| 5070 init_compiled_function_alloc (); | |
| 5071 init_float_alloc (); | |
| 1983 | 5072 #ifdef HAVE_BIGNUM |
| 5073 init_bignum_alloc (); | |
| 5074 #endif | |
| 5075 #ifdef HAVE_RATIO | |
| 5076 init_ratio_alloc (); | |
| 5077 #endif | |
| 5078 #ifdef HAVE_BIGFLOAT | |
| 5079 init_bigfloat_alloc (); | |
| 5080 #endif | |
| 428 | 5081 init_marker_alloc (); |
| 5082 init_extent_alloc (); | |
| 5083 init_event_alloc (); | |
| 1204 | 5084 #ifdef EVENT_DATA_AS_OBJECTS |
| 934 | 5085 init_key_data_alloc (); |
| 5086 init_button_data_alloc (); | |
| 5087 init_motion_data_alloc (); | |
| 5088 init_process_data_alloc (); | |
| 5089 init_timeout_data_alloc (); | |
| 5090 init_magic_data_alloc (); | |
| 5091 init_magic_eval_data_alloc (); | |
| 5092 init_eval_data_alloc (); | |
| 5093 init_misc_user_data_alloc (); | |
| 1204 | 5094 #endif /* EVENT_DATA_AS_OBJECTS */ |
| 3263 | 5095 #endif /* not NEW_GC */ |
| 428 | 5096 |
| 5097 ignore_malloc_warnings = 0; | |
| 5098 | |
| 452 | 5099 if (staticpros_nodump) |
| 5100 Dynarr_free (staticpros_nodump); | |
| 5101 staticpros_nodump = Dynarr_new2 (Lisp_Object_ptr_dynarr, Lisp_Object *); | |
| 5102 Dynarr_resize (staticpros_nodump, 100); /* merely a small optimization */ | |
| 771 | 5103 #ifdef DEBUG_XEMACS |
| 5104 if (staticpro_nodump_names) | |
| 5105 Dynarr_free (staticpro_nodump_names); | |
|
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diff
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|
5106 staticpro_nodump_names = Dynarr_new2 (const_Ascbyte_ptr_dynarr, |
|
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changeset
|
5107 const Ascbyte *); |
| 771 | 5108 Dynarr_resize (staticpro_nodump_names, 100); /* ditto */ |
| 5109 #endif | |
| 428 | 5110 |
| 3263 | 5111 #ifdef NEW_GC |
| 2720 | 5112 mcpros = Dynarr_new2 (Lisp_Object_dynarr, Lisp_Object); |
| 5113 Dynarr_resize (mcpros, 1410); /* merely a small optimization */ | |
| 5114 dump_add_root_block_ptr (&mcpros, &mcpros_description); | |
| 5115 #ifdef DEBUG_XEMACS | |
|
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diff
changeset
|
5116 mcpro_names = Dynarr_new2 (const_Ascbyte_ptr_dynarr, const Ascbyte *); |
| 2720 | 5117 Dynarr_resize (mcpro_names, 1410); /* merely a small optimization */ |
|
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diff
changeset
|
5118 dump_add_root_block_ptr (&mcpro_names, |
| 4964 | 5119 &const_Ascbyte_ptr_dynarr_description); |
| 2720 | 5120 #endif |
| 3263 | 5121 #endif /* NEW_GC */ |
| 2720 | 5122 |
| 428 | 5123 consing_since_gc = 0; |
| 851 | 5124 need_to_check_c_alloca = 0; |
| 5125 funcall_allocation_flag = 0; | |
| 5126 funcall_alloca_count = 0; | |
| 814 | 5127 |
| 428 | 5128 lrecord_uid_counter = 259; |
| 3263 | 5129 #ifndef NEW_GC |
| 428 | 5130 debug_string_purity = 0; |
| 3263 | 5131 #endif /* not NEW_GC */ |
| 428 | 5132 |
| 800 | 5133 #ifdef ERROR_CHECK_TYPES |
| 428 | 5134 ERROR_ME.really_unlikely_name_to_have_accidentally_in_a_non_errb_structure = |
| 5135 666; | |
| 5136 ERROR_ME_NOT. | |
| 5137 really_unlikely_name_to_have_accidentally_in_a_non_errb_structure = 42; | |
| 5138 ERROR_ME_WARN. | |
| 5139 really_unlikely_name_to_have_accidentally_in_a_non_errb_structure = | |
| 5140 3333632; | |
| 793 | 5141 ERROR_ME_DEBUG_WARN. |
| 5142 really_unlikely_name_to_have_accidentally_in_a_non_errb_structure = | |
| 5143 8675309; | |
| 800 | 5144 #endif /* ERROR_CHECK_TYPES */ |
| 428 | 5145 } |
| 5146 | |
| 3263 | 5147 #ifndef NEW_GC |
| 771 | 5148 static void |
| 5149 init_lcrecord_lists (void) | |
| 5150 { | |
| 5151 int i; | |
| 5152 | |
| 5153 for (i = 0; i < countof (lrecord_implementations_table); i++) | |
| 5154 { | |
| 5155 all_lcrecord_lists[i] = Qzero; /* Qnil not yet set */ | |
| 5156 staticpro_nodump (&all_lcrecord_lists[i]); | |
| 5157 } | |
| 5158 } | |
| 3263 | 5159 #endif /* not NEW_GC */ |
| 771 | 5160 |
| 5161 void | |
| 1204 | 5162 init_alloc_early (void) |
| 771 | 5163 { |
| 1204 | 5164 #if defined (__cplusplus) && defined (ERROR_CHECK_GC) |
| 5165 static struct gcpro initial_gcpro; | |
| 5166 | |
| 5167 initial_gcpro.next = 0; | |
| 5168 initial_gcpro.var = &Qnil; | |
| 5169 initial_gcpro.nvars = 1; | |
| 5170 gcprolist = &initial_gcpro; | |
| 5171 #else | |
| 5172 gcprolist = 0; | |
| 5173 #endif /* defined (__cplusplus) && defined (ERROR_CHECK_GC) */ | |
| 5174 } | |
| 5175 | |
| 5176 void | |
| 5177 reinit_alloc_early (void) | |
| 5178 { | |
| 5179 common_init_alloc_early (); | |
| 3263 | 5180 #ifndef NEW_GC |
| 771 | 5181 init_lcrecord_lists (); |
| 3263 | 5182 #endif /* not NEW_GC */ |
| 771 | 5183 } |
| 5184 | |
| 428 | 5185 void |
| 5186 init_alloc_once_early (void) | |
| 5187 { | |
| 1204 | 5188 common_init_alloc_early (); |
| 428 | 5189 |
| 442 | 5190 { |
| 5191 int i; | |
| 5192 for (i = 0; i < countof (lrecord_implementations_table); i++) | |
| 5193 lrecord_implementations_table[i] = 0; | |
| 5194 } | |
| 5195 | |
|
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|
5196 INIT_LISP_OBJECT (cons); |
|
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|
5197 INIT_LISP_OBJECT (vector); |
|
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|
5198 INIT_LISP_OBJECT (string); |
| 3092 | 5199 #ifdef NEW_GC |
|
5118
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5200 INIT_LISP_OBJECT (string_indirect_data); |
|
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|
5201 INIT_LISP_OBJECT (string_direct_data); |
| 3092 | 5202 #endif /* NEW_GC */ |
| 3263 | 5203 #ifndef NEW_GC |
|
5117
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|
5204 INIT_LISP_OBJECT (lcrecord_list); |
|
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|
5205 INIT_LISP_OBJECT (free); |
| 3263 | 5206 #endif /* not NEW_GC */ |
| 428 | 5207 |
| 452 | 5208 staticpros = Dynarr_new2 (Lisp_Object_ptr_dynarr, Lisp_Object *); |
| 5209 Dynarr_resize (staticpros, 1410); /* merely a small optimization */ | |
| 2367 | 5210 dump_add_root_block_ptr (&staticpros, &staticpros_description); |
| 771 | 5211 #ifdef DEBUG_XEMACS |
|
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|
5212 staticpro_names = Dynarr_new2 (const_Ascbyte_ptr_dynarr, const Ascbyte *); |
| 771 | 5213 Dynarr_resize (staticpro_names, 1410); /* merely a small optimization */ |
|
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|
5214 dump_add_root_block_ptr (&staticpro_names, |
|
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diff
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|
5215 &const_Ascbyte_ptr_dynarr_description); |
| 771 | 5216 #endif |
| 5217 | |
| 3263 | 5218 #ifdef NEW_GC |
| 2720 | 5219 mcpros = Dynarr_new2 (Lisp_Object_dynarr, Lisp_Object); |
| 5220 Dynarr_resize (mcpros, 1410); /* merely a small optimization */ | |
| 5221 dump_add_root_block_ptr (&mcpros, &mcpros_description); | |
| 5222 #ifdef DEBUG_XEMACS | |
|
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|
5223 mcpro_names = Dynarr_new2 (const_Ascbyte_ptr_dynarr, const Ascbyte *); |
| 2720 | 5224 Dynarr_resize (mcpro_names, 1410); /* merely a small optimization */ |
|
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|
5225 dump_add_root_block_ptr (&mcpro_names, |
|
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|
5226 &const_Ascbyte_ptr_dynarr_description); |
| 2720 | 5227 #endif |
| 3263 | 5228 #else /* not NEW_GC */ |
| 771 | 5229 init_lcrecord_lists (); |
| 3263 | 5230 #endif /* not NEW_GC */ |
| 428 | 5231 } |
| 5232 | |
| 5233 void | |
| 5234 syms_of_alloc (void) | |
| 5235 { | |
| 442 | 5236 DEFSYMBOL (Qgarbage_collecting); |
| 428 | 5237 |
| 5238 DEFSUBR (Fcons); | |
| 5239 DEFSUBR (Flist); | |
| 5240 DEFSUBR (Fvector); | |
| 5241 DEFSUBR (Fbit_vector); | |
| 5242 DEFSUBR (Fmake_byte_code); | |
| 5243 DEFSUBR (Fmake_list); | |
| 5244 DEFSUBR (Fmake_vector); | |
| 5245 DEFSUBR (Fmake_bit_vector); | |
| 5246 DEFSUBR (Fmake_string); | |
| 5247 DEFSUBR (Fstring); | |
| 5248 DEFSUBR (Fmake_symbol); | |
| 5249 DEFSUBR (Fmake_marker); | |
| 5250 DEFSUBR (Fpurecopy); | |
| 2994 | 5251 #ifdef ALLOC_TYPE_STATS |
| 5252 DEFSUBR (Fobject_memory_usage_stats); | |
| 5253 DEFSUBR (Fobject_memory_usage); | |
| 5254 #endif /* ALLOC_TYPE_STATS */ | |
| 428 | 5255 DEFSUBR (Fgarbage_collect); |
| 440 | 5256 #if 0 |
| 428 | 5257 DEFSUBR (Fmemory_limit); |
| 440 | 5258 #endif |
| 2994 | 5259 DEFSUBR (Ftotal_memory_usage); |
| 428 | 5260 DEFSUBR (Fconsing_since_gc); |
|
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|
5261 #ifdef USE_VALGRIND |
|
5d120deb60ca
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|
5262 DEFSUBR (Fvalgrind_leak_check); |
|
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|
5263 DEFSUBR (Fvalgrind_quick_leak_check); |
|
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|
5264 #endif |
| 428 | 5265 } |
| 5266 | |
| 5267 void | |
| 5268 vars_of_alloc (void) | |
| 5269 { | |
| 5270 #ifdef DEBUG_XEMACS | |
| 5271 DEFVAR_INT ("debug-allocation", &debug_allocation /* | |
| 5272 If non-zero, print out information to stderr about all objects allocated. | |
| 5273 See also `debug-allocation-backtrace-length'. | |
| 5274 */ ); | |
| 5275 debug_allocation = 0; | |
| 5276 | |
| 5277 DEFVAR_INT ("debug-allocation-backtrace-length", | |
| 5278 &debug_allocation_backtrace_length /* | |
| 5279 Length (in stack frames) of short backtrace printed out by `debug-allocation'. | |
| 5280 */ ); | |
| 5281 debug_allocation_backtrace_length = 2; | |
| 5282 #endif | |
| 5283 | |
| 5284 DEFVAR_BOOL ("purify-flag", &purify_flag /* | |
| 5285 Non-nil means loading Lisp code in order to dump an executable. | |
| 5286 This means that certain objects should be allocated in readonly space. | |
| 5287 */ ); | |
| 5288 } |