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Unified Diff: runtime/vm/native_arguments.h

Issue 816123002: MemorySanitizer support. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 6 years ago
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Index: runtime/vm/native_arguments.h
===================================================================
--- runtime/vm/native_arguments.h (revision 42458)
+++ runtime/vm/native_arguments.h (working copy)
@@ -6,6 +6,7 @@
#define VM_NATIVE_ARGUMENTS_H_
#include "platform/assert.h"
+#include "platform/memory_sanitizer.h"
#include "vm/globals.h"
#include "vm/handles_impl.h"
#include "vm/simulator.h"
@@ -89,7 +90,10 @@
RawObject* ArgAt(int index) const {
ASSERT((index >= 0) && (index < ArgCount()));
- return (*argv_)[-index];
+ RawObject** arg_ptr = &((*argv_)[-index]);
+ // Tell MemorySanitizer the RawObject* was initialized (by generated code).
+ MSAN_UNPOISON(arg_ptr, kWordSize);
+ return *arg_ptr;
}
int NativeArgCount() const {
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