Imported Upstream version 1.6.0+dfsg1

[rustc.git] / src / compiler-rt / lib / asan / asan_stack.cc

diff --git a/src/compiler-rt/lib/asan/asan_stack.cc b/src/compiler-rt/lib/asan/asan_stack.cc
index 8188f3b5b6e91697ea933e1b7a1d73040dbe4781..cf7a587fa65aeb02b6797e4ed66d50b342295929 100644 (file)
--- a/src/compiler-rt/lib/asan/asan_stack.cc
+++ b/src/compiler-rt/lib/asan/asan_stack.cc
@@ -13,6 +13,21 @@
 //===----------------------------------------------------------------------===//
 #include "asan_internal.h"
 #include "asan_stack.h"
+#include "sanitizer_common/sanitizer_atomic.h"
+
+namespace __asan {
+
+static atomic_uint32_t malloc_context_size;
+
+void SetMallocContextSize(u32 size) {
+  atomic_store(&malloc_context_size, size, memory_order_release);
+}
+
+u32 GetMallocContextSize() {
+  return atomic_load(&malloc_context_size, memory_order_acquire);
+}
+
+}  // namespace __asan
 
 // ------------------ Interface -------------- {{{1