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Issue 1131783003: Embedded constant pools. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Fix debug-mode Arm issue. Created 5 years, 6 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 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/x64/assembler-x64.h" 5 #include "src/x64/assembler-x64.h"
6 6
7 #include <cstring> 7 #include <cstring>
8 8
9 #if V8_TARGET_ARCH_X64 9 #if V8_TARGET_ARCH_X64
10 10
(...skipping 3865 matching lines...) Expand 10 before | Expand all | Expand 10 after
3876 emit(data); 3876 emit(data);
3877 } 3877 }
3878 3878
3879 3879
3880 void Assembler::dd(uint32_t data) { 3880 void Assembler::dd(uint32_t data) {
3881 EnsureSpace ensure_space(this); 3881 EnsureSpace ensure_space(this);
3882 emitl(data); 3882 emitl(data);
3883 } 3883 }
3884 3884
3885 3885
3886 void Assembler::dq(uint64_t data) {
3887 EnsureSpace ensure_space(this);
3888 emitq(data);
3889 }
3890
3891
3886 void Assembler::dq(Label* label) { 3892 void Assembler::dq(Label* label) {
3887 EnsureSpace ensure_space(this); 3893 EnsureSpace ensure_space(this);
3888 if (label->is_bound()) { 3894 if (label->is_bound()) {
3889 internal_reference_positions_.push_back(pc_offset()); 3895 internal_reference_positions_.push_back(pc_offset());
3890 emitp(buffer_ + label->pos(), RelocInfo::INTERNAL_REFERENCE); 3896 emitp(buffer_ + label->pos(), RelocInfo::INTERNAL_REFERENCE);
3891 } else { 3897 } else {
3892 RecordRelocInfo(RelocInfo::INTERNAL_REFERENCE); 3898 RecordRelocInfo(RelocInfo::INTERNAL_REFERENCE);
3893 emitl(0); // Zero for the first 32bit marks it as 64bit absolute address. 3899 emitl(0); // Zero for the first 32bit marks it as 64bit absolute address.
3894 if (label->is_linked()) { 3900 if (label->is_linked()) {
3895 emitl(label->pos()); 3901 emitl(label->pos());
(...skipping 18 matching lines...) Expand all
3914 return; 3920 return;
3915 } else if (rmode == RelocInfo::CODE_AGE_SEQUENCE) { 3921 } else if (rmode == RelocInfo::CODE_AGE_SEQUENCE) {
3916 // Don't record psuedo relocation info for code age sequence mode. 3922 // Don't record psuedo relocation info for code age sequence mode.
3917 return; 3923 return;
3918 } 3924 }
3919 RelocInfo rinfo(pc_, rmode, data, NULL); 3925 RelocInfo rinfo(pc_, rmode, data, NULL);
3920 reloc_info_writer.Write(&rinfo); 3926 reloc_info_writer.Write(&rinfo);
3921 } 3927 }
3922 3928
3923 3929
3924 Handle<ConstantPoolArray> Assembler::NewConstantPool(Isolate* isolate) {
3925 // No out-of-line constant pool support.
3926 DCHECK(!FLAG_enable_ool_constant_pool);
3927 return isolate->factory()->empty_constant_pool_array();
3928 }
3929
3930
3931 void Assembler::PopulateConstantPool(ConstantPoolArray* constant_pool) {
3932 // No out-of-line constant pool support.
3933 DCHECK(!FLAG_enable_ool_constant_pool);
3934 return;
3935 }
3936
3937
3938 const int RelocInfo::kApplyMask = RelocInfo::kCodeTargetMask | 3930 const int RelocInfo::kApplyMask = RelocInfo::kCodeTargetMask |
3939 1 << RelocInfo::RUNTIME_ENTRY | 3931 1 << RelocInfo::RUNTIME_ENTRY |
3940 1 << RelocInfo::INTERNAL_REFERENCE | 3932 1 << RelocInfo::INTERNAL_REFERENCE |
3941 1 << RelocInfo::CODE_AGE_SEQUENCE; 3933 1 << RelocInfo::CODE_AGE_SEQUENCE;
3942 3934
3943 3935
3944 bool RelocInfo::IsCodedSpecially() { 3936 bool RelocInfo::IsCodedSpecially() {
3945 // The deserializer needs to know whether a pointer is specially coded. Being 3937 // The deserializer needs to know whether a pointer is specially coded. Being
3946 // specially coded on x64 means that it is a relative 32 bit address, as used 3938 // specially coded on x64 means that it is a relative 32 bit address, as used
3947 // by branch instructions. 3939 // by branch instructions.
3948 return (1 << rmode_) & kApplyMask; 3940 return (1 << rmode_) & kApplyMask;
3949 } 3941 }
3950 3942
3951 3943
3952 bool RelocInfo::IsInConstantPool() { 3944 bool RelocInfo::IsInConstantPool() {
3953 return false; 3945 return false;
3954 } 3946 }
3955 3947
3956 3948
3957 } // namespace internal 3949 } // namespace internal
3958 } // namespace v8 3950 } // namespace v8
3959 3951
3960 #endif // V8_TARGET_ARCH_X64 3952 #endif // V8_TARGET_ARCH_X64
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