annotate src/s/aix4.h @ 3063:d30cd499e445

[xemacs-hg @ 2005-11-13 10:48:01 by ben] further error-checking, etc. alloc.c, lrecord.h: Move around the handling of setting of lheader->uid so it's in set_lheader_implementation() -- that way, even non-MC-ALLOC builds get useful uid's in their bare lrecords. Redo related code for strings so the non-ascii count that is stored in the uid isn't hosed. events.c: Save and restore the uid around event zeroing/deadbeefing. lisp.h: Set the correct value of MAX_STRING_ASCII_BEGIN under MC_ALLOC. lisp.h: rearrange the basic code handling ints and chars. basic int stuff goes first, followed by basic char stuff, followed in turn by stuff that mixes ints and chars. this is required since some basic defn's have become inline functions. XCHAR and CHARP have additional error-checking in that they check to make sure that the value in question is not just a character but a valid character (i.e. its numeric value is valid). print.c: debug_p4 now has a useful UID in all cases and uses it; but it also prints the raw header address (previously, you just got one of them). text.h: some basic char defn's that belonged in lisp.h have been moved there. valid_ichar_p() is moved too since the inline functions need it.
author ben
date Sun, 13 Nov 2005 10:48:04 +0000
parents 943eaba38521
children
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1 #define AIX4
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2
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3 #include "aix3-2-5.h"
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4
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5 /* AIX 4 does not have HFT any more. */
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6 #undef AIXHFT
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7
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8 #ifndef NOT_C_CODE
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9 #define _XFUNCS_H_ 1
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10
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11 /* #### we don't use either any more. some AIX user should delete the include
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12 and see if anything breaks. --ben */
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13 /* AIX is happier when bzero and strcasecmp are declared */
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14 #include "strings.h"
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16 /* Forward declarations for xlc warning suppressions */
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17 struct ether_addr;
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18 struct sockaddr_dl;
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20 #ifdef __xlC__ /* "eXceLlent C compiler" ?! */
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21 #if __xlC__ >= 1200
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22 /* IBM's C compiler option `-O3' is too aggressive.
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23 We recommend instead the combination `-O3 -qstrict', which seems safe.
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25 cc -O3 miscompiles at least two functions. From IBM's docs:
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27 IBM> -qstrict turns off the following optimizations:
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29 IBM> Performing code motion and scheduling on computations such as loads
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30 IBM> and floating-point computations that may trigger an exception.
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32 Nevertheless, we try to work with these compiler options. */
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33 #pragma option_override (bytecount_to_charcount, "opt(strict,yes)")
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34 #pragma option_override (Fexpand_file_name, "opt(strict,yes)")
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35 #endif /* recent IBM C compiler */
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36 #endif /* IBM's C compiler */
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38 #endif /* C code */
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40 /* getaddrinfo is broken in AIX 4.3 as per IY04165.
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41 At this time (2/21/2000), there's no PTF available.
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42 -- Mike Sperber <mike@xemacs.org> */
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43
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44 #undef HAVE_GETADDRINFO