[compiler-rt] [compiler-rt][rtsan] stat api interception. (PR #128430)

[Chris Apple via llvm-commits]

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@@ -285,6 +285,45 @@ INTERCEPTOR(int, unlinkat, int fd, const char *pathname, int flag) {
   return REAL(unlinkat)(fd, pathname, flag);
 }
 
+INTERCEPTOR(int, stat, const char *pathname, struct stat *s) {
+  __rtsan_notify_intercepted_call("stat");
+  return REAL(stat)(pathname, s);
+}
+
+INTERCEPTOR(int, lstat, const char *pathname, struct stat *s) {
+  __rtsan_notify_intercepted_call("lstat");
+  return REAL(lstat)(pathname, s);
+}
+
+INTERCEPTOR(int, fstat, int fd, struct stat *s) {
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cjappl wrote:

another one you could consider in this PR is `fstatat`

https://github.com/llvm/llvm-project/pull/128430