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Unified Diff: dart/runtime/vm/code_patcher.cc

Issue 119673004: Version 1.1.0-dev.5.2 (Closed) Base URL: http://dart.googlecode.com/svn/trunk/
Patch Set: Created 6 years, 11 months ago
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Index: dart/runtime/vm/code_patcher.cc
===================================================================
--- dart/runtime/vm/code_patcher.cc (revision 31530)
+++ dart/runtime/vm/code_patcher.cc (working copy)
@@ -65,12 +65,23 @@
}
+bool CodePatcher::IsEntryPatched(const Code& code) {
+ const uword patch_addr = code.GetPcForDeoptId(Isolate::kNoDeoptId,
+ PcDescriptors::kEntryPatch);
+ if (patch_addr == 0) {
+ return false;
+ }
+ JumpPattern jmp_entry(patch_addr, code);
+ return jmp_entry.IsValid();
+}
+
+
bool CodePatcher::CodeIsPatchable(const Code& code) {
const uword patch_addr = code.GetPcForDeoptId(Isolate::kNoDeoptId,
PcDescriptors::kEntryPatch);
// kEntryPatch may not exist which means the function is not patchable.
if (patch_addr == 0) {
- return true;
+ return false;
}
JumpPattern jmp_entry(patch_addr, code);
if (code.Size() < (jmp_entry.pattern_length_in_bytes() * 2)) {
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