diff options
Diffstat (limited to 'src/3rdparty/v8/src/x64/debug-x64.cc')
| -rw-r--r-- | src/3rdparty/v8/src/x64/debug-x64.cc | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/3rdparty/v8/src/x64/debug-x64.cc b/src/3rdparty/v8/src/x64/debug-x64.cc index eec83d9..1b29e58 100644 --- a/src/3rdparty/v8/src/x64/debug-x64.cc +++ b/src/3rdparty/v8/src/x64/debug-x64.cc @@ -1,4 +1,4 @@ -// Copyright 2011 the V8 project authors. All rights reserved. +// Copyright 2012 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: @@ -91,6 +91,8 @@ void BreakLocationIterator::ClearDebugBreakAtSlot() { rinfo()->PatchCode(original_rinfo()->pc(), Assembler::kDebugBreakSlotLength); } +const bool Debug::FramePaddingLayout::kIsSupported = true; + #define __ ACCESS_MASM(masm) @@ -103,6 +105,12 @@ static void Generate_DebugBreakCallHelper(MacroAssembler* masm, { FrameScope scope(masm, StackFrame::INTERNAL); + // Load padding words on stack. + for (int i = 0; i < Debug::FramePaddingLayout::kInitialSize; i++) { + __ Push(Smi::FromInt(Debug::FramePaddingLayout::kPaddingValue)); + } + __ Push(Smi::FromInt(Debug::FramePaddingLayout::kInitialSize)); + // Store the registers containing live values on the expression stack to // make sure that these are correctly updated during GC. Non object values // are stored as as two smis causing it to be untouched by GC. @@ -157,6 +165,11 @@ static void Generate_DebugBreakCallHelper(MacroAssembler* masm, } } + // Read current padding counter and skip corresponding number of words. + __ pop(kScratchRegister); + __ SmiToInteger32(kScratchRegister, kScratchRegister); + __ lea(rsp, Operand(rsp, kScratchRegister, times_pointer_size, 0)); + // Get rid of the internal frame. } |