[PATCH] D144830: [asan darwin] Allow clients to implement `__sanitizer_report_error_summary`

Dave MacLachlan via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Feb 27 15:37:08 PST 2023


dmaclach updated this revision to Diff 500945.
dmaclach added a comment.
Herald added a subscriber: Sanitizers.

This diff should be buildable. Adding requested test shortly.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D144830/new/

https://reviews.llvm.org/D144830

Files:
  compiler-rt/lib/sanitizer_common/sanitizer_mac.cpp


Index: compiler-rt/lib/sanitizer_common/sanitizer_mac.cpp
===================================================================
--- compiler-rt/lib/sanitizer_common/sanitizer_mac.cpp
+++ compiler-rt/lib/sanitizer_common/sanitizer_mac.cpp
@@ -987,9 +987,11 @@
   // Verify that interceptors really work.  We'll use dlsym to locate
   // "puts", if interceptors are working, it should really point to
   // "wrap_puts" within our own dylib.
+  // "__sanitizer_print_stack_trace" is an exported function, but not
+  // overridable by the client.
   Dl_info info_puts, info_runtime;
   RAW_CHECK(dladdr(dlsym(RTLD_DEFAULT, "puts"), &info_puts));
-  RAW_CHECK(dladdr((void *)__sanitizer_report_error_summary, &info_runtime));
+  RAW_CHECK(dladdr((void *)__sanitizer_print_stack_trace, &info_runtime));
   if (internal_strcmp(info_puts.dli_fname, info_runtime.dli_fname) != 0) {
     Report(
         "ERROR: Interceptors are not working. This may be because %s is "
@@ -1039,7 +1041,7 @@
     return;
 
   Dl_info info;
-  RAW_CHECK(dladdr((void *)__sanitizer_report_error_summary, &info));
+  RAW_CHECK(dladdr((void *)__sanitizer_print_stack_trace, &info));
   const char *dylib_name = StripModuleName(info.dli_fname);
   bool lib_is_in_env = internal_strstr(dyld_insert_libraries, dylib_name);
   if (!lib_is_in_env)


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