Mercurial > hg > CbC > CbC_gcc
annotate gcc/tsystem.h @ 55:77e2b8dfacca gcc-4.4.5
update it from 4.4.3 to 4.5.0
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 12 Feb 2010 23:39:51 +0900 |
| parents | a06113de4d67 |
| children | 04ced10e8804 |
| rev | line source |
|---|---|
| 0 | 1 /* Get common system includes and various definitions and declarations |
| 2 based on target macros. | |
| 3 Copyright (C) 2000, 2001, 2004, 2005, 2009 Free Software Foundation, Inc. | |
| 4 | |
| 5 This file is part of GCC. | |
| 6 | |
| 7 GCC is free software; you can redistribute it and/or modify it under | |
| 8 the terms of the GNU General Public License as published by the Free | |
| 9 Software Foundation; either version 3, or (at your option) any later | |
| 10 version. | |
| 11 | |
| 12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 13 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 Under Section 7 of GPL version 3, you are granted additional | |
| 18 permissions described in the GCC Runtime Library Exception, version | |
| 19 3.1, as published by the Free Software Foundation. | |
| 20 | |
| 21 You should have received a copy of the GNU General Public License and | |
| 22 a copy of the GCC Runtime Library Exception along with this program; | |
| 23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 24 <http://www.gnu.org/licenses/>. */ | |
| 25 | |
| 26 #ifndef GCC_TSYSTEM_H | |
| 27 #define GCC_TSYSTEM_H | |
| 28 | |
| 29 /* System headers (e.g. stdio.h, stdlib.h, unistd.h) sometimes | |
| 30 indirectly include getopt.h. Our -I flags will cause gcc's gnu | |
| 31 getopt.h to be included, not the platform's copy. In the default | |
| 32 case, gnu getopt.h will provide us with a no-argument prototype | |
| 33 which will generate -Wstrict-prototypes warnings. None of the | |
| 34 target files actually use getopt, so it is safe to tell gnu | |
| 35 getopt.h we never need this prototype. */ | |
| 36 #ifndef HAVE_DECL_GETOPT | |
| 37 #define HAVE_DECL_GETOPT 1 | |
| 38 #endif | |
| 39 | |
| 40 /* We want everything from the glibc headers. */ | |
| 41 #define _GNU_SOURCE 1 | |
| 42 | |
| 43 /* GCC supplies these headers. */ | |
| 44 #include <stddef.h> | |
| 45 #include <float.h> | |
| 46 | |
| 47 #ifdef inhibit_libc | |
| 48 | |
| 49 #ifndef malloc | |
| 50 extern void *malloc (size_t); | |
| 51 #endif | |
| 52 | |
| 53 #ifndef free | |
| 54 extern void free (void *); | |
| 55 #endif | |
| 56 | |
| 57 #ifndef atexit | |
| 58 extern int atexit (void (*)(void)); | |
| 59 #endif | |
| 60 | |
| 61 #ifndef abort | |
| 62 extern void abort (void) __attribute__ ((__noreturn__)); | |
| 63 #endif | |
| 64 | |
| 65 #ifndef strlen | |
| 66 extern size_t strlen (const char *); | |
| 67 #endif | |
| 68 | |
| 69 #ifndef memcpy | |
| 70 extern void *memcpy (void *, const void *, size_t); | |
| 71 #endif | |
| 72 | |
| 73 #ifndef memset | |
| 74 extern void *memset (void *, int, size_t); | |
| 75 #endif | |
| 76 | |
| 77 #else /* ! inhibit_libc */ | |
| 78 /* We disable this when inhibit_libc, so that gcc can still be built without | |
| 79 needing header files first. */ | |
| 80 /* ??? This is not a good solution, since prototypes may be required in | |
| 81 some cases for correct code. */ | |
| 82 | |
| 83 /* GCC supplies this header. */ | |
| 84 #include <stdarg.h> | |
| 85 | |
| 86 /* All systems have this header. */ | |
| 87 #include <stdio.h> | |
| 88 | |
| 89 /* All systems have this header. */ | |
| 90 #include <sys/types.h> | |
| 91 | |
| 92 /* All systems have this header. */ | |
| 93 #include <errno.h> | |
| 94 | |
| 95 #ifndef errno | |
| 96 extern int errno; | |
| 97 #endif | |
| 98 | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
99 /* If these system headers do not exist, fixincludes must create them. */ |
| 0 | 100 #include <string.h> |
| 101 #include <stdlib.h> | |
| 102 #include <unistd.h> | |
| 103 | |
| 104 /* GCC supplies this header. */ | |
| 105 #include <limits.h> | |
| 106 | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
107 /* If these system headers do not exist, fixincludes must create them. */ |
| 0 | 108 #include <time.h> |
| 109 | |
| 110 #endif /* inhibit_libc */ | |
| 111 | |
| 112 /* Define a generic NULL if one hasn't already been defined. */ | |
| 113 #ifndef NULL | |
| 114 #define NULL 0 | |
| 115 #endif | |
| 116 | |
| 117 /* GCC always provides __builtin_alloca(x). */ | |
| 118 #undef alloca | |
| 119 #define alloca(x) __builtin_alloca(x) | |
| 120 | |
| 121 #ifdef ENABLE_RUNTIME_CHECKING | |
| 122 #define gcc_assert(EXPR) ((void)(!(EXPR) ? abort (), 0 : 0)) | |
| 123 #else | |
| 124 /* Include EXPR, so that unused variable warnings do not occur. */ | |
| 125 #define gcc_assert(EXPR) ((void)(0 && (EXPR))) | |
| 126 #endif | |
| 127 /* Use gcc_unreachable() to mark unreachable locations (like an | |
| 128 unreachable default case of a switch. Do not use gcc_assert(0). */ | |
| 129 #define gcc_unreachable() (abort ()) | |
| 130 | |
| 131 /* Filename handling macros. */ | |
| 132 #include "filenames.h" | |
| 133 | |
| 134 #endif /* ! GCC_TSYSTEM_H */ |