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| author | Fangrui Song <i@maskray.me> | 2022-01-28 09:15:39 -0800 |
|---|---|---|
| committer | Fangrui Song <i@maskray.me> | 2022-01-28 09:15:39 -0800 |
| commit | c80d34985993a2e4f6a8ad6cc92b0bc6bde16797 (patch) | |
| tree | 06a75e1aabfe6d924c6804e91a2ac9546352db70 | |
| parent | 5d089d9a832c24c008ba0ecc0e28e82a7ad42297 (diff) | |
| download | llvm-c80d34985993a2e4f6a8ad6cc92b0bc6bde16797.zip llvm-c80d34985993a2e4f6a8ad6cc92b0bc6bde16797.tar.gz llvm-c80d34985993a2e4f6a8ad6cc92b0bc6bde16797.tar.bz2 | |
[msan][tsan] Refine __fxstat{,at}{,64} condition
In glibc before 2.33, include/sys/stat.h defines fstat/fstat64 to
`__fxstat/__fxstat64` and provides `__fxstat/__fxstat64` in libc_nonshared.a.
The symbols are glibc specific and not needed on other systems.
Reviewed By: vitalybuka, #sanitizers
Differential Revision: https://reviews.llvm.org/D118423
| -rw-r--r-- | compiler-rt/lib/msan/msan_interceptors.cpp | 8 | ||||
| -rw-r--r-- | compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp | 6 |
2 files changed, 7 insertions, 7 deletions
diff --git a/compiler-rt/lib/msan/msan_interceptors.cpp b/compiler-rt/lib/msan/msan_interceptors.cpp index d1b8589..5317af6 100644 --- a/compiler-rt/lib/msan/msan_interceptors.cpp +++ b/compiler-rt/lib/msan/msan_interceptors.cpp @@ -666,7 +666,7 @@ INTERCEPTOR(int, fstat, int fd, void *buf) { #define MSAN_MAYBE_INTERCEPT_FSTAT #endif -#if !SANITIZER_FREEBSD && !SANITIZER_NETBSD +#if SANITIZER_GLIBC INTERCEPTOR(int, __fxstat, int magic, int fd, void *buf) { ENSURE_MSAN_INITED(); int res = REAL(__fxstat)(magic, fd, buf); @@ -679,7 +679,7 @@ INTERCEPTOR(int, __fxstat, int magic, int fd, void *buf) { #define MSAN_MAYBE_INTERCEPT___FXSTAT #endif -#if !SANITIZER_FREEBSD && !SANITIZER_NETBSD +#if SANITIZER_GLIBC INTERCEPTOR(int, __fxstat64, int magic, int fd, void *buf) { ENSURE_MSAN_INITED(); int res = REAL(__fxstat64)(magic, fd, buf); @@ -704,7 +704,7 @@ INTERCEPTOR(int, fstatat, int fd, char *pathname, void *buf, int flags) { # define MSAN_MAYBE_INTERCEPT_FSTATAT #endif -#if !SANITIZER_FREEBSD && !SANITIZER_NETBSD +#if SANITIZER_GLIBC INTERCEPTOR(int, __fxstatat, int magic, int fd, char *pathname, void *buf, int flags) { ENSURE_MSAN_INITED(); @@ -717,7 +717,7 @@ INTERCEPTOR(int, __fxstatat, int magic, int fd, char *pathname, void *buf, # define MSAN_MAYBE_INTERCEPT___FXSTATAT #endif -#if !SANITIZER_FREEBSD && !SANITIZER_NETBSD +#if SANITIZER_GLIBC INTERCEPTOR(int, __fxstatat64, int magic, int fd, char *pathname, void *buf, int flags) { ENSURE_MSAN_INITED(); diff --git a/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp b/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp index 056bd15..733ae5e 100644 --- a/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp +++ b/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp @@ -1536,7 +1536,7 @@ TSAN_INTERCEPTOR(int, pthread_once, void *o, void (*f)()) { return 0; } -#if SANITIZER_LINUX && !SANITIZER_ANDROID +#if SANITIZER_GLIBC TSAN_INTERCEPTOR(int, __fxstat, int version, int fd, void *buf) { SCOPED_TSAN_INTERCEPTOR(__fxstat, version, fd, buf); if (fd > 0) @@ -1562,7 +1562,7 @@ TSAN_INTERCEPTOR(int, fstat, int fd, void *buf) { #endif } -#if SANITIZER_LINUX && !SANITIZER_ANDROID +#if SANITIZER_GLIBC TSAN_INTERCEPTOR(int, __fxstat64, int version, int fd, void *buf) { SCOPED_TSAN_INTERCEPTOR(__fxstat64, version, fd, buf); if (fd > 0) @@ -1574,7 +1574,7 @@ TSAN_INTERCEPTOR(int, __fxstat64, int version, int fd, void *buf) { #define TSAN_MAYBE_INTERCEPT___FXSTAT64 #endif -#if SANITIZER_LINUX && !SANITIZER_ANDROID +#if SANITIZER_GLIBC TSAN_INTERCEPTOR(int, fstat64, int fd, void *buf) { SCOPED_TSAN_INTERCEPTOR(__fxstat64, 0, fd, buf); if (fd > 0) |