[GWP-ASan] Export GWP-ASan regions to libdebuggerd.
Exports GWP-ASan allocator information callbacks to libdebuggerd so that
tombstoned can get information from the GWP-ASan allocator in the case
of a crash.
Bug: 135634846
Test: atest bionic-unit-tests
Change-Id: Ie16426af55602fb2a76c4e69217773354c365843
diff --git a/libc/private/bionic_globals.h b/libc/private/bionic_globals.h
index 4cc9bbe..6e7eb76 100644
--- a/libc/private/bionic_globals.h
+++ b/libc/private/bionic_globals.h
@@ -65,6 +65,10 @@
__LIBC_HIDDEN__ extern WriteProtected<libc_globals> __libc_globals;
struct abort_msg_t;
+namespace gwp_asan {
+struct AllocatorState;
+struct AllocationMetadata;
+}; // namespace gwp_asan
// Globals shared between the dynamic linker and libc.so.
struct libc_shared_globals {
@@ -96,6 +100,9 @@
// Values passed from the linker to libc.so.
const char* init_progname = nullptr;
char** init_environ = nullptr;
+
+ const gwp_asan::AllocatorState *gwp_asan_state = nullptr;
+ const gwp_asan::AllocationMetadata *gwp_asan_metadata = nullptr;
};
__LIBC_HIDDEN__ libc_shared_globals* __libc_shared_globals();