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// Copyright 2012 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef V8_MACRO_ASSEMBLER_H_
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#define V8_MACRO_ASSEMBLER_H_
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// Helper types to make boolean flag easier to read at call-site.
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// Invalid depth in prototype chain.
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const int kInvalidProtoDepth = -1;
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#if V8_TARGET_ARCH_IA32
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#include "assembler.h"
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#include "ia32/assembler-ia32.h"
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#include "ia32/assembler-ia32-inl.h"
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#include "code.h" // must be after assembler_*.h
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#include "ia32/macro-assembler-ia32.h"
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#elif V8_TARGET_ARCH_X64
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#include "assembler.h"
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#include "x64/assembler-x64.h"
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#include "x64/assembler-x64-inl.h"
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#include "code.h" // must be after assembler_*.h
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#include "x64/macro-assembler-x64.h"
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#elif V8_TARGET_ARCH_ARM
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#include "arm/constants-arm.h"
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#include "assembler.h"
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#include "arm/assembler-arm.h"
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#include "arm/assembler-arm-inl.h"
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#include "code.h" // must be after assembler_*.h
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#include "arm/macro-assembler-arm.h"
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#elif V8_TARGET_ARCH_MIPS
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#include "mips/constants-mips.h"
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#include "assembler.h"
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#include "mips/assembler-mips.h"
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#include "mips/assembler-mips-inl.h"
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#include "code.h" // must be after assembler_*.h
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#include "mips/macro-assembler-mips.h"
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#error Unsupported target architecture.
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explicit FrameScope(MacroAssembler* masm, StackFrame::Type type)
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: masm_(masm), type_(type), old_has_frame_(masm->has_frame()) {
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masm->set_has_frame(true);
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if (type != StackFrame::MANUAL && type_ != StackFrame::NONE) {
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masm->EnterFrame(type);
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if (type_ != StackFrame::MANUAL && type_ != StackFrame::NONE) {
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masm_->LeaveFrame(type_);
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masm_->set_has_frame(old_has_frame_);
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// Normally we generate the leave-frame code when this object goes
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// out of scope. Sometimes we may need to generate the code somewhere else
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// in addition. Calling this will achieve that, but the object stays in
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// scope, the MacroAssembler is still marked as being in a frame scope, and
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// the code will be generated again when it goes out of scope.
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void GenerateLeaveFrame() {
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masm_->LeaveFrame(type_);
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MacroAssembler* masm_;
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StackFrame::Type type_;
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class AllowExternalCallThatCantCauseGC: public FrameScope {
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explicit AllowExternalCallThatCantCauseGC(MacroAssembler* masm)
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: FrameScope(masm, StackFrame::NONE) { }
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class NoCurrentFrameScope {
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explicit NoCurrentFrameScope(MacroAssembler* masm)
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: masm_(masm), saved_(masm->has_frame()) {
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masm->set_has_frame(false);
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~NoCurrentFrameScope() {
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masm_->set_has_frame(saved_);
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MacroAssembler* masm_;
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// Support for "structured" code comments.
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Comment(MacroAssembler* masm, const char* msg);
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MacroAssembler* masm_;
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Comment(MacroAssembler*, const char*) {}
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} } // namespace v8::internal
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#endif // V8_MACRO_ASSEMBLER_H_