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| author | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2019-03-04 22:58:11 +0000 |
|---|---|---|
| committer | Evgeniy Stepanov <eugeni.stepanov@gmail.com> | 2019-03-04 22:58:11 +0000 |
| commit | 8cee2e8539ae8dea441470401378979965a652b2 (patch) | |
| tree | 528de51b6f066954e8466a2cd0ce5ad3513b502d /compiler-rt/lib/sanitizer_common | |
| parent | 090683b85e4a2085738091ab5d4d3e6cbae04c9d (diff) | |
| download | bcm5719-llvm-8cee2e8539ae8dea441470401378979965a652b2.tar.gz bcm5719-llvm-8cee2e8539ae8dea441470401378979965a652b2.zip | |
[sanitizer] Intercept bzero.
Summary:
Intercept bzero and enable existing __bzero interceptor in Linux.
bzero is deprecated but still used occasionally.
Reviewers: vitalybuka
Subscribers: srhines, kubamracek, #sanitizers, llvm-commits
Tags: #sanitizers, #llvm
Differential Revision: https://reviews.llvm.org/D58850
llvm-svn: 355347
Diffstat (limited to 'compiler-rt/lib/sanitizer_common')
| -rw-r--r-- | compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc | 12 | ||||
| -rw-r--r-- | compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h | 3 |
2 files changed, 13 insertions, 2 deletions
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc b/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc index abe487e830c..4ea274f7840 100644 --- a/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc +++ b/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc @@ -5529,12 +5529,21 @@ INTERCEPTOR(void *, __bzero, void *block, uptr size) { void *ctx; COMMON_INTERCEPTOR_MEMSET_IMPL(ctx, block, 0, size); } - #define INIT___BZERO COMMON_INTERCEPT_FUNCTION(__bzero); #else #define INIT___BZERO #endif // SANITIZER_INTERCEPT___BZERO +#if SANITIZER_INTERCEPT_BZERO +INTERCEPTOR(void *, bzero, void *block, uptr size) { + void *ctx; + COMMON_INTERCEPTOR_MEMSET_IMPL(ctx, block, 0, size); +} +#define INIT_BZERO COMMON_INTERCEPT_FUNCTION(bzero); +#else +#define INIT_BZERO +#endif // SANITIZER_INTERCEPT_BZERO + #if SANITIZER_INTERCEPT_FTIME INTERCEPTOR(int, ftime, __sanitizer_timeb *tp) { void *ctx; @@ -9693,6 +9702,7 @@ static void InitializeCommonInterceptors() { INIT_CAPGET; INIT_AEABI_MEM; INIT___BZERO; + INIT_BZERO; INIT_FTIME; INIT_XDR; INIT_TSEARCH; diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h b/compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h index 906740c8bfc..a4116f8a0aa 100644 --- a/compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h +++ b/compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h @@ -411,7 +411,8 @@ #else #define SANITIZER_INTERCEPT_AEABI_MEM 0 #endif -#define SANITIZER_INTERCEPT___BZERO SI_MAC +#define SANITIZER_INTERCEPT___BZERO SI_MAC || SI_LINUX_NOT_ANDROID +#define SANITIZER_INTERCEPT_BZERO SI_LINUX_NOT_ANDROID #define SANITIZER_INTERCEPT_FTIME \ (!SI_FREEBSD && !SI_NETBSD && !SI_OPENBSD && SI_POSIX) #define SANITIZER_INTERCEPT_XDR SI_LINUX_NOT_ANDROID || SI_SOLARIS |
