// Copyright 2015 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. #include "src/init/v8.h" #if V8_TARGET_ARCH_S390 #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 r3. // - Look up current function on the frame. // - Leave the frame. // - Restart the frame by calling the function. __ LoadRR(fp, r3); __ LoadP(r3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); __ LeaveFrame(StackFrame::INTERNAL); __ LoadP(r2, FieldMemOperand(r3, JSFunction::kSharedFunctionInfoOffset)); __ LoadLogicalHalfWordP( r2, FieldMemOperand(r2, SharedFunctionInfo::kFormalParameterCountOffset)); __ LoadRR(r4, r2); ParameterCount dummy1(r4); ParameterCount dummy2(r2); __ InvokeFunction(r3, dummy1, dummy2, JUMP_FUNCTION); } const bool LiveEdit::kFrameDropperSupported = true; #undef __ } // namespace internal } // namespace v8 #endif // V8_TARGET_ARCH_S390