author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 01:32:07 +0300 | |
changeset 2 | 303757a437d3 |
parent 0 | 4f2f89ce4247 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (C) 2008 Apple Inc. All rights reserved. |
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* |
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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 |
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* are met: |
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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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* 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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*/ |
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|
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#ifndef MacroAssemblerX86_h |
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#define MacroAssemblerX86_h |
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|
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#if ENABLE(ASSEMBLER) && CPU(X86) |
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|
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#include "MacroAssemblerX86Common.h" |
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namespace JSC { |
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|
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class MacroAssemblerX86 : public MacroAssemblerX86Common { |
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public: |
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MacroAssemblerX86() |
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: m_isSSE2Present(isSSE2Present()) |
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{ |
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} |
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|
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static const Scale ScalePtr = TimesFour; |
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|
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using MacroAssemblerX86Common::add32; |
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using MacroAssemblerX86Common::and32; |
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using MacroAssemblerX86Common::sub32; |
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using MacroAssemblerX86Common::or32; |
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using MacroAssemblerX86Common::load32; |
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using MacroAssemblerX86Common::store32; |
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using MacroAssemblerX86Common::branch32; |
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using MacroAssemblerX86Common::call; |
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using MacroAssemblerX86Common::loadDouble; |
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using MacroAssemblerX86Common::convertInt32ToDouble; |
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|
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void add32(Imm32 imm, RegisterID src, RegisterID dest) |
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{ |
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m_assembler.leal_mr(imm.m_value, src, dest); |
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} |
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void add32(Imm32 imm, AbsoluteAddress address) |
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{ |
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m_assembler.addl_im(imm.m_value, address.m_ptr); |
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} |
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|
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void addWithCarry32(Imm32 imm, AbsoluteAddress address) |
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{ |
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m_assembler.adcl_im(imm.m_value, address.m_ptr); |
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} |
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|
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void and32(Imm32 imm, AbsoluteAddress address) |
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{ |
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m_assembler.andl_im(imm.m_value, address.m_ptr); |
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} |
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|
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void or32(Imm32 imm, AbsoluteAddress address) |
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{ |
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m_assembler.orl_im(imm.m_value, address.m_ptr); |
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} |
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void sub32(Imm32 imm, AbsoluteAddress address) |
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{ |
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m_assembler.subl_im(imm.m_value, address.m_ptr); |
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} |
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|
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void load32(void* address, RegisterID dest) |
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{ |
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m_assembler.movl_mr(address, dest); |
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} |
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|
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void loadDouble(const void* address, FPRegisterID dest) |
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{ |
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ASSERT(isSSE2Present()); |
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m_assembler.movsd_mr(address, dest); |
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} |
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void convertInt32ToDouble(AbsoluteAddress src, FPRegisterID dest) |
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{ |
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m_assembler.cvtsi2sd_mr(src.m_ptr, dest); |
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} |
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void store32(Imm32 imm, void* address) |
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102 |
{ |
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m_assembler.movl_i32m(imm.m_value, address); |
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104 |
} |
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105 |
|
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void store32(RegisterID src, void* address) |
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107 |
{ |
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m_assembler.movl_rm(src, address); |
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109 |
} |
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110 |
|
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Jump branch32(Condition cond, AbsoluteAddress left, RegisterID right) |
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112 |
{ |
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m_assembler.cmpl_rm(right, left.m_ptr); |
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return Jump(m_assembler.jCC(x86Condition(cond))); |
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115 |
} |
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116 |
|
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Jump branch32(Condition cond, AbsoluteAddress left, Imm32 right) |
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118 |
{ |
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m_assembler.cmpl_im(right.m_value, left.m_ptr); |
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return Jump(m_assembler.jCC(x86Condition(cond))); |
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} |
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122 |
|
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Call call() |
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124 |
{ |
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return Call(m_assembler.call(), Call::Linkable); |
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} |
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127 |
|
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Call tailRecursiveCall() |
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129 |
{ |
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return Call::fromTailJump(jump()); |
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} |
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132 |
|
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Call makeTailRecursiveCall(Jump oldJump) |
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134 |
{ |
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return Call::fromTailJump(oldJump); |
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} |
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137 |
|
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138 |
|
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DataLabelPtr moveWithPatch(ImmPtr initialValue, RegisterID dest) |
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140 |
{ |
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m_assembler.movl_i32r(initialValue.asIntptr(), dest); |
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return DataLabelPtr(this); |
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} |
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144 |
|
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Jump branchPtrWithPatch(Condition cond, RegisterID left, DataLabelPtr& dataLabel, ImmPtr initialRightValue = ImmPtr(0)) |
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146 |
{ |
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m_assembler.cmpl_ir_force32(initialRightValue.asIntptr(), left); |
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dataLabel = DataLabelPtr(this); |
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return Jump(m_assembler.jCC(x86Condition(cond))); |
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} |
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151 |
|
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Jump branchPtrWithPatch(Condition cond, Address left, DataLabelPtr& dataLabel, ImmPtr initialRightValue = ImmPtr(0)) |
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153 |
{ |
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m_assembler.cmpl_im_force32(initialRightValue.asIntptr(), left.offset, left.base); |
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dataLabel = DataLabelPtr(this); |
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return Jump(m_assembler.jCC(x86Condition(cond))); |
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} |
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|
158 |
|
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DataLabelPtr storePtrWithPatch(ImmPtr initialValue, ImplicitAddress address) |
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160 |
{ |
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m_assembler.movl_i32m(initialValue.asIntptr(), address.offset, address.base); |
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return DataLabelPtr(this); |
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} |
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164 |
|
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Label loadPtrWithPatchToLEA(Address address, RegisterID dest) |
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166 |
{ |
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Label label(this); |
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load32(address, dest); |
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return label; |
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} |
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|
171 |
|
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bool supportsFloatingPoint() const { return m_isSSE2Present; } |
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// See comment on MacroAssemblerARMv7::supportsFloatingPointTruncate() |
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bool supportsFloatingPointTruncate() const { return m_isSSE2Present; } |
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bool supportsFloatingPointSqrt() const { return m_isSSE2Present; } |
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176 |
|
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private: |
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const bool m_isSSE2Present; |
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179 |
|
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friend class LinkBuffer; |
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friend class RepatchBuffer; |
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182 |
|
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static void linkCall(void* code, Call call, FunctionPtr function) |
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184 |
{ |
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X86Assembler::linkCall(code, call.m_jmp, function.value()); |
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} |
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187 |
|
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static void repatchCall(CodeLocationCall call, CodeLocationLabel destination) |
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189 |
{ |
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X86Assembler::relinkCall(call.dataLocation(), destination.executableAddress()); |
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} |
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|
192 |
|
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static void repatchCall(CodeLocationCall call, FunctionPtr destination) |
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194 |
{ |
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X86Assembler::relinkCall(call.dataLocation(), destination.executableAddress()); |
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} |
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}; |
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198 |
|
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} // namespace JSC |
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200 |
|
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#endif // ENABLE(ASSEMBLER) |
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202 |
|
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#endif // MacroAssemblerX86_h |