[sanitizer] Move stat/__xstat to the common interceptors

Summary:
Adds stat/__xstat to the common interceptors.

Removes the now-duplicate stat/__xstat interceptor from msan/tsan/esan.
This adds stat/__xstat to asan, which previously did not intercept it.

Resubmit of http://reviews.llvm.org/D19875 with win build fixes.

Reviewers: aizatsky, eugenis

Subscribers: tberghammer, llvm-commits, danalbert, vitalybuka, bruening, srhines, kubabrecka, kcc

Differential Revision: http://reviews.llvm.org/D19890

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@268466 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 18 deletions

diff --git a/lib/esan/esan_interceptors.cpp b/lib/esan/esan_interceptors.cpp
index 479fde994..be40032f5 100644
--- a/lib/esan/esan_interceptors.cpp
+++ b/lib/esan/esan_interceptors.cpp
@@ -249,23 +249,6 @@ INTERCEPTOR(char *, strncpy, char *dst, char *src, uptr n) {
   return REAL(strncpy)(dst, src, n);
 }
 
-#if SANITIZER_FREEBSD || SANITIZER_MAC || SANITIZER_ANDROID
-INTERCEPTOR(int, stat, const char *path, void *buf) {
-  void *ctx;
-  COMMON_INTERCEPTOR_ENTER(ctx, stat, path, buf);
-  COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0);
-  return REAL(stat)(path, buf);
-#define ESAN_INTERCEPT_STAT INTERCEPT_FUNCTION(stat)
-#else
-INTERCEPTOR(int, __xstat, int version, const char *path, void *buf) {
-  void *ctx;
-  COMMON_INTERCEPTOR_ENTER(ctx, __xstat, version, path, buf);
-  COMMON_INTERCEPTOR_READ_STRING(ctx, path, 0);
-  return REAL(__xstat)(version, path, buf);
-}
-#define ESAN_INTERCEPT_STAT INTERCEPT_FUNCTION(__xstat)
-#endif
-
 #if SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_FREEBSD
 INTERCEPTOR(int, __xstat64, int version, const char *path, void *buf) {
   void *ctx;
@@ -413,7 +396,6 @@ void initializeInterceptors() {
   INTERCEPT_FUNCTION(strcpy); // NOLINT
   INTERCEPT_FUNCTION(strncpy);
 
-  ESAN_INTERCEPT_STAT;
   ESAN_MAYBE_INTERCEPT_STAT64;
   ESAN_MAYBE_INTERCEPT___XSTAT64;
   ESAN_INTERCEPT_LSTAT;