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| author | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2014-03-28 11:21:45 +0000 |
|---|---|---|
| committer | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2014-03-28 11:21:45 +0000 |
| commit | 8e032e5d21f3116a6adbcaa7a828903b02392ad6 (patch) | |
| tree | 1132236150cdd4df6d63d5840199daad9fadec8b /lib | |
| parent | 518dbfde26c2eb8435e385b6b688c7019d92d64f (diff) | |
[sanitizer] Intercept rand_r.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@205001 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/sanitizer_common/sanitizer_common_interceptors.inc | 13 | ||||
| -rw-r--r-- | lib/sanitizer_common/sanitizer_platform_interceptors.h | 1 |
2 files changed, 14 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_common_interceptors.inc b/lib/sanitizer_common/sanitizer_common_interceptors.inc index dd60db295..215740935 100644 --- a/lib/sanitizer_common/sanitizer_common_interceptors.inc +++ b/lib/sanitizer_common/sanitizer_common_interceptors.inc @@ -3232,6 +3232,18 @@ INTERCEPTOR(int, lrand48_r, void *buffer, long *result) { #define INIT_DRAND48_R #endif +#if SANITIZER_INTERCEPT_RAND_R +INTERCEPTOR(int, rand_r, unsigned *seedp) { + void *ctx; + COMMON_INTERCEPTOR_ENTER(ctx, rand_r, seedp); + COMMON_INTERCEPTOR_READ_RANGE(ctx, seedp, sizeof(*seedp)); + return REAL(rand_r)(seedp); +} +#define INIT_RAND_R COMMON_INTERCEPT_FUNCTION(rand_r); +#else +#define INIT_RAND_R +#endif + #if SANITIZER_INTERCEPT_GETLINE INTERCEPTOR(SSIZE_T, getline, char **lineptr, SIZE_T *n, void *stream) { void *ctx; @@ -3704,6 +3716,7 @@ INTERCEPTOR(int, ftime, __sanitizer_timeb *tp) { INIT_LGAMMA; \ INIT_LGAMMA_R; \ INIT_DRAND48_R; \ + INIT_RAND_R; \ INIT_GETLINE; \ INIT_ICONV; \ INIT_TIMES; \ diff --git a/lib/sanitizer_common/sanitizer_platform_interceptors.h b/lib/sanitizer_common/sanitizer_platform_interceptors.h index 055a13f31..dc559398c 100644 --- a/lib/sanitizer_common/sanitizer_platform_interceptors.h +++ b/lib/sanitizer_common/sanitizer_platform_interceptors.h @@ -169,6 +169,7 @@ #define SANITIZER_INTERCEPT_LGAMMA SI_NOT_WINDOWS #define SANITIZER_INTERCEPT_LGAMMA_R SI_LINUX #define SANITIZER_INTERCEPT_DRAND48_R SI_LINUX_NOT_ANDROID +#define SANITIZER_INTERCEPT_RAND_R SI_MAC || SI_LINUX_NOT_ANDROID #define SANITIZER_INTERCEPT_ICONV SI_LINUX_NOT_ANDROID #define SANITIZER_INTERCEPT_TIMES SI_NOT_WINDOWS |