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Side by Side Diff: src/x64/macro-assembler-x64.cc

Issue 10105026: Version 3.10.3 (Closed) Base URL: http://v8.googlecode.com/svn/trunk/
Patch Set: Created 8 years, 8 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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143 size += 3; // Need full four-byte displacement in lea. 143 size += 3; // Need full four-byte displacement in lea.
144 } 144 }
145 return size; 145 return size;
146 } 146 }
147 } 147 }
148 // Size of movq(destination, src); 148 // Size of movq(destination, src);
149 return 10; 149 return 10;
150 } 150 }
151 151
152 152
153 void MacroAssembler::PushAddress(ExternalReference source) {
154 int64_t address = reinterpret_cast<int64_t>(source.address());
155 if (is_int32(address) && !Serializer::enabled()) {
156 if (emit_debug_code()) {
157 movq(kScratchRegister, BitCast<int64_t>(kZapValue), RelocInfo::NONE);
158 }
159 push(Immediate(static_cast<int32_t>(address)));
160 return;
161 }
162 LoadAddress(kScratchRegister, source);
163 push(kScratchRegister);
164 }
165
166
153 void MacroAssembler::LoadRoot(Register destination, Heap::RootListIndex index) { 167 void MacroAssembler::LoadRoot(Register destination, Heap::RootListIndex index) {
154 ASSERT(root_array_available_); 168 ASSERT(root_array_available_);
155 movq(destination, Operand(kRootRegister, 169 movq(destination, Operand(kRootRegister,
156 (index << kPointerSizeLog2) - kRootRegisterBias)); 170 (index << kPointerSizeLog2) - kRootRegisterBias));
157 } 171 }
158 172
159 173
160 void MacroAssembler::LoadRootIndexed(Register destination, 174 void MacroAssembler::LoadRootIndexed(Register destination,
161 Register variable_offset, 175 Register variable_offset,
162 int fixed_offset) { 176 int fixed_offset) {
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650 664
651 static int Offset(ExternalReference ref0, ExternalReference ref1) { 665 static int Offset(ExternalReference ref0, ExternalReference ref1) {
652 int64_t offset = (ref0.address() - ref1.address()); 666 int64_t offset = (ref0.address() - ref1.address());
653 // Check that fits into int. 667 // Check that fits into int.
654 ASSERT(static_cast<int>(offset) == offset); 668 ASSERT(static_cast<int>(offset) == offset);
655 return static_cast<int>(offset); 669 return static_cast<int>(offset);
656 } 670 }
657 671
658 672
659 void MacroAssembler::PrepareCallApiFunction(int arg_stack_space) { 673 void MacroAssembler::PrepareCallApiFunction(int arg_stack_space) {
660 #ifdef _WIN64 674 #if defined(_WIN64) && !defined(__MINGW64__)
661 // We need to prepare a slot for result handle on stack and put 675 // We need to prepare a slot for result handle on stack and put
662 // a pointer to it into 1st arg register. 676 // a pointer to it into 1st arg register.
663 EnterApiExitFrame(arg_stack_space + 1); 677 EnterApiExitFrame(arg_stack_space + 1);
664 678
665 // rcx must be used to pass the pointer to the return value slot. 679 // rcx must be used to pass the pointer to the return value slot.
666 lea(rcx, StackSpaceOperand(arg_stack_space)); 680 lea(rcx, StackSpaceOperand(arg_stack_space));
667 #else 681 #else
668 EnterApiExitFrame(arg_stack_space); 682 EnterApiExitFrame(arg_stack_space);
669 #endif 683 #endif
670 } 684 }
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698 Register base_reg = r15; 712 Register base_reg = r15;
699 movq(base_reg, next_address); 713 movq(base_reg, next_address);
700 movq(prev_next_address_reg, Operand(base_reg, kNextOffset)); 714 movq(prev_next_address_reg, Operand(base_reg, kNextOffset));
701 movq(prev_limit_reg, Operand(base_reg, kLimitOffset)); 715 movq(prev_limit_reg, Operand(base_reg, kLimitOffset));
702 addl(Operand(base_reg, kLevelOffset), Immediate(1)); 716 addl(Operand(base_reg, kLevelOffset), Immediate(1));
703 // Call the api function! 717 // Call the api function!
704 movq(rax, reinterpret_cast<int64_t>(function_address), 718 movq(rax, reinterpret_cast<int64_t>(function_address),
705 RelocInfo::RUNTIME_ENTRY); 719 RelocInfo::RUNTIME_ENTRY);
706 call(rax); 720 call(rax);
707 721
708 #ifdef _WIN64 722 #if defined(_WIN64) && !defined(__MINGW64__)
709 // rax keeps a pointer to v8::Handle, unpack it. 723 // rax keeps a pointer to v8::Handle, unpack it.
710 movq(rax, Operand(rax, 0)); 724 movq(rax, Operand(rax, 0));
711 #endif 725 #endif
712 // Check if the result handle holds 0. 726 // Check if the result handle holds 0.
713 testq(rax, rax); 727 testq(rax, rax);
714 j(zero, &empty_result); 728 j(zero, &empty_result);
715 // It was non-zero. Dereference to get the result value. 729 // It was non-zero. Dereference to get the result value.
716 movq(rax, Operand(rax, 0)); 730 movq(rax, Operand(rax, 0));
717 bind(&prologue); 731 bind(&prologue);
718 732
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4422 bind(&check_prototype); 4436 bind(&check_prototype);
4423 movq(rcx, FieldOperand(rbx, Map::kPrototypeOffset)); 4437 movq(rcx, FieldOperand(rbx, Map::kPrototypeOffset));
4424 cmpq(rcx, null_value); 4438 cmpq(rcx, null_value);
4425 j(not_equal, &next); 4439 j(not_equal, &next);
4426 } 4440 }
4427 4441
4428 4442
4429 } } // namespace v8::internal 4443 } } // namespace v8::internal
4430 4444
4431 #endif // V8_TARGET_ARCH_X64 4445 #endif // V8_TARGET_ARCH_X64
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