commit 0c7abda482f53db3d153c073d1c7a145f84e0626
author Ian Rogers <irogers@google.com> Wed Sep 19 13:33:42 2012 -0700
committer Android (Google) Code Review <android-gerrit@google.com> Thu Sep 20 15:26:35 2012 -0700
tree 837b89c75f0047cbcd16c9121739069a36b4f22a
parent ba0b9c55adce3f533845ab1b25c552589e5b4118

NativePcOffsetToReferenceMap

Rather than translate a native PC to a Dex PC and then to the reference
bitmap, just go straight from the native PC to the reference bitmap.
Encode the native PC offsets using a hash rather than linearly
searching.

Change-Id: Iee1073d93c941c0a31f639e5f23cea9e9f747bee

test/StackWalk/stack_walk_jni.cc

diff --git a/test/StackWalk/stack_walk_jni.cc b/test/StackWalk/stack_walk_jni.cc
index 5fdb92f..3c37a98 100644
--- a/test/StackWalk/stack_walk_jni.cc
+++ b/test/StackWalk/stack_walk_jni.cc
@@ -18,11 +18,11 @@
 
 #include "UniquePtr.h"
 #include "class_linker.h"
+#include "gc_map.h"
 #include "object.h"
 #include "object_utils.h"
 #include "jni.h"
 #include "scoped_thread_state_change.h"
-#include "verifier/gc_map.h"
 
 namespace art {
 
@@ -58,8 +58,8 @@
     }
     const uint8_t* reg_bitmap = NULL;
     if (!IsShadowFrame()) {
-      verifier::DexPcToReferenceMap map(m->GetGcMap(), m->GetGcMapLength());
-      reg_bitmap = map.FindBitMap(GetDexPc());
+      NativePcOffsetToReferenceMap map(m->GetNativeGcMap());
+      reg_bitmap = map.FindBitMap(GetNativePcOffset());
     }
     MethodHelper mh(m);
     StringPiece m_name(mh.GetName());