From 50030ef998be09789da4a9a56738362852068f12 Mon Sep 17 00:00:00 2001
From: Mathieu Chartier <mathieuc@google.com>
Date: Fri, 8 May 2015 14:19:26 -0700
Subject: Check IsReferenceVReg during deopt

Required since the quick GC maps may not agree with the verifier
ones. Without this check we may copy stale object references into
the shadow frame.

(cherry picked from commit f00baf56ef647684888a407dbb6adadd704a2039)

Bug: 20736048
Change-Id: I7783c8a8ee45cf601b08b4c38f1dec7f7d11380c
---
 runtime/utils.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'runtime/utils.h')

diff --git a/runtime/utils.h b/runtime/utils.h
index eaafcf0a64..71ccf85277 100644
--- a/runtime/utils.h
+++ b/runtime/utils.h
@@ -604,6 +604,11 @@ std::unique_ptr<T> MakeUnique(Args&& ... args) {
   return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
 }
 
+inline bool TestBitmap(size_t idx, const uint8_t* bitmap) {
+  return ((bitmap[idx / kBitsPerByte] >> (idx % kBitsPerByte)) & 0x01) != 0;
+}
+
+
 }  // namespace art
 
 #endif  // ART_RUNTIME_UTILS_H_
-- 
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