diff options
Diffstat (limited to 'V8Binding/v8/src/x64/debug-x64.cc')
| -rw-r--r-- | V8Binding/v8/src/x64/debug-x64.cc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/V8Binding/v8/src/x64/debug-x64.cc b/V8Binding/v8/src/x64/debug-x64.cc index 3b10132..e94e781 100644 --- a/V8Binding/v8/src/x64/debug-x64.cc +++ b/V8Binding/v8/src/x64/debug-x64.cc @@ -38,8 +38,10 @@ namespace internal { #ifdef ENABLE_DEBUGGER_SUPPORT bool Debug::IsDebugBreakAtReturn(v8::internal::RelocInfo* rinfo) { - UNIMPLEMENTED(); - return false; + ASSERT(RelocInfo::IsJSReturn(rinfo->rmode())); + // 11th byte of patch is 0x49, 11th byte of JS return is 0xCC (int3). + ASSERT(*(rinfo->pc() + 10) == 0x49 || *(rinfo->pc() + 10) == 0xCC); + return (*(rinfo->pc() + 10) == 0x49); } void Debug::GenerateCallICDebugBreak(MacroAssembler* masm) { |