[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
Change-Id: I4da14c8930a7b825cabf41da2fa221fa9fc3489d
diff --git a/standalone/combined.h b/standalone/combined.h
index fd5360c..922c2e5 100644
--- a/standalone/combined.h
+++ b/standalone/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);
}