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| author |   Geoff Johnstone <geoff.johnstone@googlemail.com> | 2008-04-05 02:52:29 -0700 |
|---|---|---|
| committer |   Josh Triplett <josh@freedesktop.org> | 2008-04-05 02:52:29 -0700 |
| commit | 27be02d4055500ab7a3f8607f9daef044375b155 (patch) | |
| tree | 65a749bbccef0f6b172026226d9773cd089aebb2 /lib.c | |
| parent | Add support for GCC's -std=... and -ansi command line options. (diff) | |
| download | sparse-27be02d4055500ab7a3f8607f9daef044375b155.tar.gz sparse-27be02d4055500ab7a3f8607f9daef044375b155.tar.bz2 sparse-27be02d4055500ab7a3f8607f9daef044375b155.zip | |
Add builtin functions for use with __FORTIFY_SOURCE
__FORTIFY_SOURCE=2 converts memcpy() into __builtin___memcpy_chk() etc.
The patch adds some/all? of the relevant builtin prototypes.
Signed-off-by: Geoff Johnstone <geoff.johnstone@googlemail.com>
Diffstat (limited to 'lib.c')
| -rw-r--r-- | lib.c | 16 |
1 files changed, 16 insertions, 0 deletions
@@ -640,6 +640,22 @@ void declare_builtin_functions(void) add_pre_buffer("extern long __builtin_alpha_inslh(long, long);\n"); add_pre_buffer("extern long __builtin_alpha_cmpbge(long, long);\n"); add_pre_buffer("extern long __builtin_labs(long);\n"); + + /* And some __FORTIFY_SOURCE ones.. */ + add_pre_buffer ("extern __SIZE_TYPE__ __builtin_object_size(void *, int);\n"); + add_pre_buffer ("extern void * __builtin___memcpy_chk(void *, const void *, __SIZE_TYPE__, __SIZE_TYPE__);\n"); + add_pre_buffer ("extern void * __builtin___memmove_chk(void *, const void *, __SIZE_TYPE__, __SIZE_TYPE__);\n"); + add_pre_buffer ("extern void * __builtin___mempcpy_chk(void *, const void *, __SIZE_TYPE__, __SIZE_TYPE__);\n"); + add_pre_buffer ("extern void * __builtin___memset_chk(void *, int, __SIZE_TYPE__, __SIZE_TYPE__);\n"); + add_pre_buffer ("extern int __builtin___sprintf_chk(char *, int, __SIZE_TYPE__, const char *, ...);\n"); + add_pre_buffer ("extern int __builtin___snprintf_chk(char *, __SIZE_TYPE__, int , __SIZE_TYPE__, const char *, ...);\n"); + add_pre_buffer ("extern char * __builtin___stpcpy_chk(char *, const char *, __SIZE_TYPE__);\n"); + add_pre_buffer ("extern char * __builtin___strcat_chk(char *, const char *, __SIZE_TYPE__);\n"); + add_pre_buffer ("extern char * __builtin___strcpy_chk(char *, const char *, __SIZE_TYPE__);\n"); + add_pre_buffer ("extern char * __builtin___strncat_chk(char *, const char *, __SIZE_TYPE__, __SIZE_TYPE__);\n"); + add_pre_buffer ("extern char * __builtin___strncpy_chk(char *, const char *, __SIZE_TYPE__, __SIZE_TYPE__);\n"); + add_pre_buffer ("extern int __builtin___vsprintf_chk(char *, int, __SIZE_TYPE__, const char *, __builtin_va_list);\n"); + add_pre_buffer ("extern int __builtin___vsnprintf_chk(char *, __SIZE_TYPE__, int, __SIZE_TYPE__, const char *, __builtin_va_list ap);\n"); } void create_builtin_stream(void) |