annotate src/m/ibmrt-aix.h @ 4539:061e030e3270

Fix some bugs in load-history construction, built-in symbol file names. lib-src/ChangeLog addition: 2008-12-27 Aidan Kehoe <kehoea@parhasard.net> * make-docfile.c (main): Allow more than one -d argument, followed by a directory to change to. (put_filename): Don't strip directory information; with previous change, allows retrieval of Lisp function and variable origin files from #'built-in-symbol-file relative to lisp-directory. (scan_lisp_file): Don't add an extraneous newline after the file name, put_filename has added the newline already. lisp/ChangeLog addition: 2008-12-27 Aidan Kehoe <kehoea@parhasard.net> * loadup.el (load-history): Add the contents of current-load-list to load-history before clearing it. Move the variable declarations earlier in the file to a format understood by make-docfile.c. * custom.el (custom-declare-variable): Add the variable's symbol to the current file's load history entry correctly, don't use a cons. Eliminate a comment that we don't need to worry about, we don't need to check the `initialized' C variable in Lisp. * bytecomp.el (byte-compile-output-file-form): Merge Andreas Schwab's pre-GPLv3 GNU change of 19970831 here; treat #'custom-declare-variable correctly, generating the docstrings in a format understood by make-docfile.c. * loadhist.el (symbol-file): Correct behaviour for checking autoloaded macros and functions when supplied with a TYPE argument. Accept fully-qualified paths from #'built-in-symbol-file; if a path is not fully-qualified, return it relative to lisp-directory if the filename corresponds to a Lisp file, and relative to (concat source-directory "/src/") otherwise. * make-docfile.el (preloaded-file-list): Rationalise some let bindings a little. Use the "-d" argument to make-docfile.c to supply Lisp paths relative to lisp-directory, not absolutely. Add in loadup.el explicitly to the list of files to be processed by make-docfile.c--it doesn't make sense to add it to preloaded-file-list, since that is used for purposes of byte-compilation too. src/ChangeLog addition: 2008-12-27 Aidan Kehoe <kehoea@parhasard.net> * doc.c (Fbuilt_in_symbol_file): Return a subr's filename immediately if we've found it. Check for compiled function and compiled macro docstrings in DOC too, and return them if they exist. The branch of the if statement focused on functions may have executed, but we may still want to check variable bindings; an else clause isn't appropriate.
author Aidan Kehoe <kehoea@parhasard.net>
date Sat, 27 Dec 2008 14:05:50 +0000
parents ecf1ebac70d8
children
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1 /* RTPC AIX machine/system dependent defines
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2 Copyright (C) 1988 Free Software Foundation, Inc.
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3
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4 This file is part of GNU Emacs.
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5
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6 GNU Emacs is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 2, or (at your option)
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9 any later version.
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10
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11 GNU Emacs is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 /* Synched up with: FSF 19.31. */
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22
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23 /* The following line tells the configuration script what sort of
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24 operating system this machine is likely to run.
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25 USUAL-OPSYS="usg5-2-2" */
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26
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27 /* Now define a symbol for the cpu type, if your compiler
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28 does not define it automatically. */
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29
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30 #ifndef IBMAIX
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31 #define IBMAIX
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32 #endif
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33
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34 /* No load average information appears in the AIX kernel. VRM has this
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35 info, and if anyone desires they should fix fns.c to get it out of VRM */
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36
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37 /* Define addresses, macros, change some setup for dump */
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38
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39 #undef COFF
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40 #define NO_REMAP
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41
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42 #define TEXT_START 0x10000000
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43 #define DATA_START 0x20000000
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44
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45 #define N_BADMAG(x) BADMAG(x)
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46 #define N_TXTOFF(x) A_TEXTPOS(x)
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47 #define N_SYMOFF(x) A_SYMPOS(x)
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48 #define A_TEXT_OFFSET(HDR) sizeof(HDR)
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49 #define ADJUST_EXEC_HEADER \
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50 unexec_text_start += sizeof(hdr); \
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51 unexec_data_start = ohdr.a_dbase
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52 #undef ADDR_CORRECT
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53 #define ADDR_CORRECT(x) ((int)(x))
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54
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55 /* This is the offset of the executable's text, from the start of the file. */
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56
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57 #define A_TEXT_SEEK(HDR) (N_TXTOFF (hdr) + sizeof (hdr))
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58
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59 /* AIX has PTYs, so define here, along with macros needed to make them work. */
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60
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61 #define PTY_ITERATION for (i=0; i<256; i++)
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62 #define PTY_NAME_SPRINTF sprintf (ptyname, "/dev/ptc%d", i);
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63
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64 #define PTY_TTY_NAME_SPRINTF \
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65 { /* Check that server side not already open */ \
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66 if ((ioctl (*ptyv, PTYSTATUS, 0) & 0xFFFF) != 0) \
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67 { \
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68 close (*ptyv); \
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69 continue; \
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70 } \
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71 /* And finally to be sure we can open it later */ \
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72 sprintf (ptyname, "/dev/pts%d", i); \
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73 signal (SIGHUP,SIG_IGN); \
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74 } /* ignore hangup at process end */
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75
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76 /* TIOCNOTTY doesn't occur on AIX, but the rest
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77 of the conditionalized code in process.c does
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78 the right thing if we fake this out. */
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79 #define TIOCNOTTY IOCTYPE
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80
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81 /* #define SKTPAIR */ /* SKTPAIR works, but what is advantage over pipes? */
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82
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83 /* Specify the font for X to use. */
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84
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85 #define X_DEFAULT_FONT "Rom14.500"
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86
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87 /* Here override various assumptions in ymakefile */
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88
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89 /* On AIX 2.2.1, use these definitions instead
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90 #define C_SWITCH_MACHINE "-I/usr/include -Nn2000"
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91 #define LIBS_MACHINE "-lX -lrts"
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92 */
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93
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94 #define C_SWITCH_MACHINE "-I/usr/include -I/usr/include/bsd -Nn2000"
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95 #define LIBS_MACHINE "-lXMenu -lX -lsock -lbsd -lrts"
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96
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97 #define OBJECTS_MACHINE "hftctl.o"
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98 #define START_FILES "/lib/crt0.o"
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99 /* -lXMenu, -lX must precede -lsock, -lbsd */
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100 #define LD_SWITCH_MACHINE "-n -T0x10000000 -K -e start"
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101
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102 #if 0 /* I refuse to promulgate a recommendation that would make
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103 users unable to debug - RMS. */
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104 /* delete the following line to foil optimization, enable debugging */
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105 #define C_DEBUG_SWITCH "-O"
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106 #endif
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107
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108
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109 /* Setup to do some things BSD way - these won't work previous to AIX 2.1.2 */
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110
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111 #include </usr/include/bsd/BSDtoAIX.h>
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112
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113 /* AIX utimes allegedly causes SIGSEGV. */
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114 #undef HAVE_UTIMES /* override configuration decision */
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115
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116 /* rocky@watson.ibm.com says this is needed. */
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117 #define HAVE_FTIME