| Index: src/assembler-ia32-inl.h
|
| diff --git a/src/assembler-ia32-inl.h b/src/assembler-ia32-inl.h
|
| deleted file mode 100644
|
| index c5213a7dcec8bf186a50ab95ed4952d3ac8e347f..0000000000000000000000000000000000000000
|
| --- a/src/assembler-ia32-inl.h
|
| +++ /dev/null
|
| @@ -1,302 +0,0 @@
|
| -// Copyright (c) 1994-2006 Sun Microsystems Inc.
|
| -// All Rights Reserved.
|
| -//
|
| -// Redistribution and use in source and binary forms, with or without
|
| -// modification, are permitted provided that the following conditions are
|
| -// met:
|
| -//
|
| -// - Redistributions of source code must retain the above copyright notice,
|
| -// this list of conditions and the following disclaimer.
|
| -//
|
| -// - Redistribution in binary form must reproduce the above copyright
|
| -// notice, this list of conditions and the following disclaimer in the
|
| -// documentation and/or other materials provided with the distribution.
|
| -//
|
| -// - Neither the name of Sun Microsystems or the names of contributors may
|
| -// be used to endorse or promote products derived from this software without
|
| -// specific prior written permission.
|
| -//
|
| -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
|
| -// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
|
| -// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
| -// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
| -// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
| -// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
| -// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
| -// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
| -// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
| -// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
| -// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
| -
|
| -// The original source code covered by the above license above has been
|
| -// modified significantly by Google Inc.
|
| -// Copyright 2006-2008 the V8 project authors. All rights reserved.
|
| -
|
| -// A light-weight IA32 Assembler.
|
| -
|
| -#ifndef V8_ASSEMBLER_IA32_INL_H_
|
| -#define V8_ASSEMBLER_IA32_INL_H_
|
| -
|
| -#include "cpu.h"
|
| -
|
| -namespace v8 { namespace internal {
|
| -
|
| -Condition NegateCondition(Condition cc) {
|
| - return static_cast<Condition>(cc ^ 1);
|
| -}
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| -
|
| -
|
| -// The modes possibly affected by apply must be in kApplyMask.
|
| -void RelocInfo::apply(int delta) {
|
| - if (rmode_ == RUNTIME_ENTRY || IsCodeTarget(rmode_)) {
|
| - int32_t* p = reinterpret_cast<int32_t*>(pc_);
|
| - *p -= delta; // relocate entry
|
| - } else if (rmode_ == JS_RETURN && IsCallInstruction()) {
|
| - // Special handling of js_return when a break point is set (call
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| - // instruction has been inserted).
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| - int32_t* p = reinterpret_cast<int32_t*>(pc_ + 1);
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| - *p -= delta; // relocate entry
|
| - } else if (IsInternalReference(rmode_)) {
|
| - // absolute code pointer inside code object moves with the code object.
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| - int32_t* p = reinterpret_cast<int32_t*>(pc_);
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| - *p += delta; // relocate entry
|
| - }
|
| -}
|
| -
|
| -
|
| -Address RelocInfo::target_address() {
|
| - ASSERT(IsCodeTarget(rmode_) || rmode_ == RUNTIME_ENTRY);
|
| - return Assembler::target_address_at(pc_);
|
| -}
|
| -
|
| -
|
| -Address RelocInfo::target_address_address() {
|
| - ASSERT(IsCodeTarget(rmode_) || rmode_ == RUNTIME_ENTRY);
|
| - return reinterpret_cast<Address>(pc_);
|
| -}
|
| -
|
| -
|
| -void RelocInfo::set_target_address(Address target) {
|
| - ASSERT(IsCodeTarget(rmode_) || rmode_ == RUNTIME_ENTRY);
|
| - Assembler::set_target_address_at(pc_, target);
|
| -}
|
| -
|
| -
|
| -Object* RelocInfo::target_object() {
|
| - ASSERT(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT);
|
| - return *reinterpret_cast<Object**>(pc_);
|
| -}
|
| -
|
| -
|
| -Object** RelocInfo::target_object_address() {
|
| - ASSERT(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT);
|
| - return reinterpret_cast<Object**>(pc_);
|
| -}
|
| -
|
| -
|
| -void RelocInfo::set_target_object(Object* target) {
|
| - ASSERT(IsCodeTarget(rmode_) || rmode_ == EMBEDDED_OBJECT);
|
| - *reinterpret_cast<Object**>(pc_) = target;
|
| -}
|
| -
|
| -
|
| -Address* RelocInfo::target_reference_address() {
|
| - ASSERT(rmode_ == RelocInfo::EXTERNAL_REFERENCE);
|
| - return reinterpret_cast<Address*>(pc_);
|
| -}
|
| -
|
| -
|
| -Address RelocInfo::call_address() {
|
| - ASSERT(IsCallInstruction());
|
| - return Assembler::target_address_at(pc_ + 1);
|
| -}
|
| -
|
| -
|
| -void RelocInfo::set_call_address(Address target) {
|
| - ASSERT(IsCallInstruction());
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| - Assembler::set_target_address_at(pc_ + 1, target);
|
| -}
|
| -
|
| -
|
| -Object* RelocInfo::call_object() {
|
| - ASSERT(IsCallInstruction());
|
| - return *call_object_address();
|
| -}
|
| -
|
| -
|
| -Object** RelocInfo::call_object_address() {
|
| - ASSERT(IsCallInstruction());
|
| - return reinterpret_cast<Object**>(pc_ + 1);
|
| -}
|
| -
|
| -
|
| -void RelocInfo::set_call_object(Object* target) {
|
| - ASSERT(IsCallInstruction());
|
| - *call_object_address() = target;
|
| -}
|
| -
|
| -
|
| -bool RelocInfo::IsCallInstruction() {
|
| - return *pc_ == 0xE8;
|
| -}
|
| -
|
| -
|
| -Immediate::Immediate(int x) {
|
| - x_ = x;
|
| - rmode_ = RelocInfo::NONE;
|
| -}
|
| -
|
| -
|
| -Immediate::Immediate(const ExternalReference& ext) {
|
| - x_ = reinterpret_cast<int32_t>(ext.address());
|
| - rmode_ = RelocInfo::EXTERNAL_REFERENCE;
|
| -}
|
| -
|
| -Immediate::Immediate(const char* s) {
|
| - x_ = reinterpret_cast<int32_t>(s);
|
| - rmode_ = RelocInfo::EMBEDDED_STRING;
|
| -}
|
| -
|
| -
|
| -Immediate::Immediate(Label *internal_offset) {
|
| - x_ = reinterpret_cast<int32_t>(internal_offset);
|
| - rmode_ = RelocInfo::INTERNAL_REFERENCE;
|
| -}
|
| -
|
| -
|
| -Immediate::Immediate(Handle<Object> handle) {
|
| - // Verify all Objects referred by code are NOT in new space.
|
| - Object* obj = *handle;
|
| - ASSERT(!Heap::InNewSpace(obj));
|
| - if (obj->IsHeapObject()) {
|
| - x_ = reinterpret_cast<intptr_t>(handle.location());
|
| - rmode_ = RelocInfo::EMBEDDED_OBJECT;
|
| - } else {
|
| - // no relocation needed
|
| - x_ = reinterpret_cast<intptr_t>(obj);
|
| - rmode_ = RelocInfo::NONE;
|
| - }
|
| -}
|
| -
|
| -
|
| -Immediate::Immediate(Smi* value) {
|
| - x_ = reinterpret_cast<intptr_t>(value);
|
| - rmode_ = RelocInfo::NONE;
|
| -}
|
| -
|
| -
|
| -void Assembler::emit(uint32_t x) {
|
| - *reinterpret_cast<uint32_t*>(pc_) = x;
|
| - pc_ += sizeof(uint32_t);
|
| -}
|
| -
|
| -
|
| -void Assembler::emit(Handle<Object> handle) {
|
| - // Verify all Objects referred by code are NOT in new space.
|
| - Object* obj = *handle;
|
| - ASSERT(!Heap::InNewSpace(obj));
|
| - if (obj->IsHeapObject()) {
|
| - emit(reinterpret_cast<intptr_t>(handle.location()),
|
| - RelocInfo::EMBEDDED_OBJECT);
|
| - } else {
|
| - // no relocation needed
|
| - emit(reinterpret_cast<intptr_t>(obj));
|
| - }
|
| -}
|
| -
|
| -
|
| -void Assembler::emit(uint32_t x, RelocInfo::Mode rmode) {
|
| - if (rmode != RelocInfo::NONE) RecordRelocInfo(rmode);
|
| - emit(x);
|
| -}
|
| -
|
| -
|
| -void Assembler::emit(const Immediate& x) {
|
| - if (x.rmode_ == RelocInfo::INTERNAL_REFERENCE) {
|
| - Label* label = reinterpret_cast<Label*>(x.x_);
|
| - emit_code_relative_offset(label);
|
| - return;
|
| - }
|
| - if (x.rmode_ != RelocInfo::NONE) RecordRelocInfo(x.rmode_);
|
| - emit(x.x_);
|
| -}
|
| -
|
| -
|
| -void Assembler::emit_code_relative_offset(Label* label) {
|
| - if (label->is_bound()) {
|
| - int32_t pos;
|
| - pos = label->pos() + Code::kHeaderSize - kHeapObjectTag;
|
| - emit(pos);
|
| - } else {
|
| - emit_disp(label, Displacement::CODE_RELATIVE);
|
| - }
|
| -}
|
| -
|
| -
|
| -void Assembler::emit_w(const Immediate& x) {
|
| - ASSERT(x.rmode_ == RelocInfo::NONE);
|
| - uint16_t value = static_cast<uint16_t>(x.x_);
|
| - reinterpret_cast<uint16_t*>(pc_)[0] = value;
|
| - pc_ += sizeof(uint16_t);
|
| -}
|
| -
|
| -
|
| -Address Assembler::target_address_at(Address pc) {
|
| - return pc + sizeof(int32_t) + *reinterpret_cast<int32_t*>(pc);
|
| -}
|
| -
|
| -
|
| -void Assembler::set_target_address_at(Address pc, Address target) {
|
| - int32_t* p = reinterpret_cast<int32_t*>(pc);
|
| - *p = target - (pc + sizeof(int32_t));
|
| - CPU::FlushICache(p, sizeof(int32_t));
|
| -}
|
| -
|
| -
|
| -Displacement Assembler::disp_at(Label* L) {
|
| - return Displacement(long_at(L->pos()));
|
| -}
|
| -
|
| -
|
| -void Assembler::disp_at_put(Label* L, Displacement disp) {
|
| - long_at_put(L->pos(), disp.data());
|
| -}
|
| -
|
| -
|
| -void Assembler::emit_disp(Label* L, Displacement::Type type) {
|
| - Displacement disp(L, type);
|
| - L->link_to(pc_offset());
|
| - emit(static_cast<int>(disp.data()));
|
| -}
|
| -
|
| -
|
| -void Operand::set_modrm(int mod, Register rm) {
|
| - ASSERT((mod & -4) == 0);
|
| - buf_[0] = mod << 6 | rm.code();
|
| - len_ = 1;
|
| -}
|
| -
|
| -
|
| -void Operand::set_dispr(int32_t disp, RelocInfo::Mode rmode) {
|
| - ASSERT(len_ == 1 || len_ == 2);
|
| - int32_t* p = reinterpret_cast<int32_t*>(&buf_[len_]);
|
| - *p = disp;
|
| - len_ += sizeof(int32_t);
|
| - rmode_ = rmode;
|
| -}
|
| -
|
| -Operand::Operand(Register reg) {
|
| - // reg
|
| - set_modrm(3, reg);
|
| -}
|
| -
|
| -
|
| -Operand::Operand(int32_t disp, RelocInfo::Mode rmode) {
|
| - // [disp/r]
|
| - set_modrm(0, ebp);
|
| - set_dispr(disp, rmode);
|
| -}
|
| -
|
| -} } // namespace v8::internal
|
| -
|
| -#endif // V8_ASSEMBLER_IA32_INL_H_
|
|
|