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// Copyright 2014 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #if V8_TARGET_ARCH_PPC #include "src/debug/debug.h" #include "src/codegen/macro-assembler.h" #include "src/debug/liveedit.h" #include "src/execution/frames-inl.h" namespace v8 { namespace internal { #define __ ACCESS_MASM(masm) void DebugCodegen::GenerateHandleDebuggerStatement(MacroAssembler* masm) { { FrameScope scope(masm, StackFrame::INTERNAL); __ CallRuntime(Runtime::kHandleDebuggerStatement, 0); } __ MaybeDropFrames(); // Return to caller. __ Ret(); } void DebugCodegen::GenerateFrameDropperTrampoline(MacroAssembler* masm) { // Frame is being dropped: // - Drop to the target frame specified by r4. // - Look up current function on the frame. // - Leave the frame. // - Restart the frame by calling the function. __ mr(fp, r4); __ LoadP(r4, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); __ LeaveFrame(StackFrame::INTERNAL); __ LoadP(r3, FieldMemOperand(r4, JSFunction::kSharedFunctionInfoOffset)); __ lhz(r3, FieldMemOperand(r3, SharedFunctionInfo::kFormalParameterCountOffset)); __ mr(r5, r3); ParameterCount dummy1(r5); ParameterCount dummy2(r3); __ InvokeFunction(r4, dummy1, dummy2, JUMP_FUNCTION); } const bool LiveEdit::kFrameDropperSupported = true; #undef __ } // namespace internal } // namespace v8 #endif // V8_TARGET_ARCH_PPC