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Side by Side Diff: src/mips64/deoptimizer-mips64.cc

Issue 1698743002: Make the frame inspector use TranslatedState rather than the full deoptimizer. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Address review comments, changed some DCHECKs to CHECKs Created 4 years, 10 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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/codegen.h" 5 #include "src/codegen.h"
6 #include "src/deoptimizer.h" 6 #include "src/deoptimizer.h"
7 #include "src/full-codegen/full-codegen.h" 7 #include "src/full-codegen/full-codegen.h"
8 #include "src/register-configuration.h" 8 #include "src/register-configuration.h"
9 #include "src/safepoint-table.h" 9 #include "src/safepoint-table.h"
10 10
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73 call_address >= prev_call_address + patch_size()); 73 call_address >= prev_call_address + patch_size());
74 DCHECK(call_address + patch_size() <= code->instruction_end()); 74 DCHECK(call_address + patch_size() <= code->instruction_end());
75 75
76 #ifdef DEBUG 76 #ifdef DEBUG
77 prev_call_address = call_address; 77 prev_call_address = call_address;
78 #endif 78 #endif
79 } 79 }
80 } 80 }
81 81
82 82
83 void Deoptimizer::FillInputFrame(Address tos, JavaScriptFrame* frame) {
84 // Set the register values. The values are not important as there are no
85 // callee saved registers in JavaScript frames, so all registers are
86 // spilled. Registers fp and sp are set to the correct values though.
87
88 for (int i = 0; i < Register::kNumRegisters; i++) {
89 input_->SetRegister(i, i * 4);
90 }
91 input_->SetRegister(sp.code(), reinterpret_cast<intptr_t>(frame->sp()));
92 input_->SetRegister(fp.code(), reinterpret_cast<intptr_t>(frame->fp()));
93 for (int i = 0; i < DoubleRegister::kMaxNumRegisters; i++) {
94 input_->SetDoubleRegister(i, 0.0);
95 }
96
97 // Fill the frame content from the actual data on the frame.
98 for (unsigned i = 0; i < input_->GetFrameSize(); i += kPointerSize) {
99 input_->SetFrameSlot(i, Memory::uint64_at(tos + i));
100 }
101 }
102
103
104 void Deoptimizer::SetPlatformCompiledStubRegisters( 83 void Deoptimizer::SetPlatformCompiledStubRegisters(
105 FrameDescription* output_frame, CodeStubDescriptor* descriptor) { 84 FrameDescription* output_frame, CodeStubDescriptor* descriptor) {
106 ApiFunction function(descriptor->deoptimization_handler()); 85 ApiFunction function(descriptor->deoptimization_handler());
107 ExternalReference xref(&function, ExternalReference::BUILTIN_CALL, isolate_); 86 ExternalReference xref(&function, ExternalReference::BUILTIN_CALL, isolate_);
108 intptr_t handler = reinterpret_cast<intptr_t>(xref.address()); 87 intptr_t handler = reinterpret_cast<intptr_t>(xref.address());
109 int params = descriptor->GetHandlerParameterCount(); 88 int params = descriptor->GetHandlerParameterCount();
110 output_frame->SetRegister(a0.code(), params); 89 output_frame->SetRegister(a0.code(), params);
111 output_frame->SetRegister(a1.code(), handler); 90 output_frame->SetRegister(a1.code(), handler);
112 } 91 }
113 92
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402 // No embedded constant pool support. 381 // No embedded constant pool support.
403 UNREACHABLE(); 382 UNREACHABLE();
404 } 383 }
405 384
406 385
407 #undef __ 386 #undef __
408 387
409 388
410 } // namespace internal 389 } // namespace internal
411 } // namespace v8 390 } // namespace v8
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