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Add more intercepts for strcpy, strncmp, strcmp, so as to reduce the

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noise level on Ubuntu 10.04 64-bit.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11261
This commit is contained in:
Julian Seward 2010-08-16 22:56:16 +00:00
parent 7e1e28040b
commit 480294a05f
1 changed files with 50 additions and 0 deletions
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50
exp-ptrcheck/h_intercepts.c
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@ -126,12 +126,61 @@ STRNLEN(VG_Z_LIBC_SONAME, strnlen)
STRLEN(VG_Z_LIBC_SONAME, strlen)
#if defined(VGO_linux)
STRLEN(VG_Z_LIBC_SONAME, __GI_strlen)
STRLEN(VG_Z_LD_LINUX_SO_2, strlen)
STRLEN(VG_Z_LD_LINUX_X86_64_SO_2, strlen)
STRLEN(VG_Z_LD_SO_1, strlen)
#endif
#define STRCPY(soname, fnname) \
char* VG_REPLACE_FUNCTION_ZU(soname, fnname) ( char* dst, const char* src ); \
char* VG_REPLACE_FUNCTION_ZU(soname, fnname) ( char* dst, const char* src ) \
{ \
Char* dst_orig = dst; \
\
while (*src) *dst++ = *src++; \
*dst = 0; \
\
return dst_orig; \
}
STRCPY(VG_Z_LIBC_SONAME, strcpy)
#if defined(VGO_linux)
STRCPY(VG_Z_LIBC_SONAME, __GI_strcpy)
#elif defined(VGO_darwin)
STRCPY(VG_Z_DYLD, strcpy)
#endif
#define STRNCMP(soname, fnname) \
int VG_REPLACE_FUNCTION_ZU(soname,fnname) \
( const char* s1, const char* s2, SizeT nmax ); \
int VG_REPLACE_FUNCTION_ZU(soname,fnname) \
( const char* s1, const char* s2, SizeT nmax ) \
{ \
SizeT n = 0; \
while (True) { \
if (n >= nmax) return 0; \
if (*s1 == 0 && *s2 == 0) return 0; \
if (*s1 == 0) return -1; \
if (*s2 == 0) return 1; \
\
if (*(unsigned char*)s1 < *(unsigned char*)s2) return -1; \
if (*(unsigned char*)s1 > *(unsigned char*)s2) return 1; \
\
s1++; s2++; n++; \
} \
}
STRNCMP(VG_Z_LIBC_SONAME, strncmp)
#if defined(VGO_linux)
STRNCMP(VG_Z_LIBC_SONAME, __GI_strncmp)
#elif defined(VGO_darwin)
STRNCMP(VG_Z_DYLD, strncmp)
#endif
#define STRCMP(soname, fnname) \
int VG_REPLACE_FUNCTION_ZU(soname,fnname) \
( const char* s1, const char* s2 ); \
@ -154,6 +203,7 @@ STRLEN(VG_Z_LD_SO_1, strlen)
STRCMP(VG_Z_LIBC_SONAME, strcmp)
#if defined(VGO_linux)
STRCMP(VG_Z_LIBC_SONAME, __GI_strcmp)
STRCMP(VG_Z_LD_LINUX_X86_64_SO_2, strcmp)
STRCMP(VG_Z_LD64_SO_1, strcmp)
#endif