commit e96246a5b2506f33628d5ec78b9374397de44c73
author Mitch Phillips <31459023+hctim@users.noreply.github.com> Wed Aug 11 09:21:28 2021 -0700
committer Copybara-Service <copybara-worker@google.com> Wed Aug 11 11:51:17 2021 -0700
tree 505614292f729b1a9170bc0cf5361528cb7533bc
parent 93f2396fec26d8da9a3d976074bd10ee6b528d51

[scudo] Add GWP-ASan state/metadata pointer proxies.

Provide accessor proxies for the gwp-asan regions that are useful in
symbolizing dumps offline. Should be useful for Fuchsia to be able to
locate these internal pointers to stash the data in a minidump.

Reviewed By: cryptoad

Differential Revision: https://reviews.llvm.org/D107909

GitOrigin-RevId: 32adf108c8edd989caf9392131a5ebaf9de762f2

combined.h

diff --git a/combined.h b/combined.h
index fd5360c..922c2e5 100644
--- a/combined.h
+++ b/combined.h
@@ -205,6 +205,16 @@
 #endif // GWP_ASAN_HOOKS
   }
 
+#ifdef GWP_ASAN_HOOKS
+  const gwp_asan::AllocationMetadata *getGwpAsanAllocationMetadata() {
+    return GuardedAlloc.getMetadataRegion();
+  }
+
+  const gwp_asan::AllocatorState *getGwpAsanAllocatorState() {
+    return GuardedAlloc.getAllocatorState();
+  }
+#endif // GWP_ASAN_HOOKS
+
   ALWAYS_INLINE void initThreadMaybe(bool MinimalInit = false) {
     TSDRegistry.initThreadMaybe(this, MinimalInit);
   }