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Commit 54188964 authored by jarin's avatar jarin Committed by Commit bot
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Make the frame inspector use TranslatedState rather than the full deoptimizer. 

This is mostly preparation for allowing the function closure to be materialized.

As a drive-by fix, I have added ignition source position support to the frame inspector (this fixed some ignition test failures).

Review URL: https://codereview.chromium.org/1698743002

Cr-Commit-Position: refs/heads/master@{#33975}
parent 359ba8e0
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Showing with 165 additions and 434 deletions
src/arm/deoptimizer-arm.cc
View file @ 54188964
...@@ -85,27 +85,6 @@ void Deoptimizer::PatchCodeForDeoptimization(Isolate* isolate, Code* code) { ...@@ -85,27 +85,6 @@ void Deoptimizer::PatchCodeForDeoptimization(Isolate* isolate, Code* code) {
} }
void Deoptimizer::FillInputFrame(Address tos, JavaScriptFrame* frame) {
// Set the register values. The values are not important as there are no
// callee saved registers in JavaScript frames, so all registers are
// spilled. Registers fp and sp are set to the correct values though.
for (int i = 0; i < Register::kNumRegisters; i++) {
input_->SetRegister(i, i * 4);
}
input_->SetRegister(sp.code(), reinterpret_cast<intptr_t>(frame->sp()));
input_->SetRegister(fp.code(), reinterpret_cast<intptr_t>(frame->fp()));
for (int i = 0; i < DoubleRegister::kMaxNumRegisters; i++) {
input_->SetDoubleRegister(i, 0.0);
}
// Fill the frame content from the actual data on the frame.
for (unsigned i = 0; i < input_->GetFrameSize(); i += kPointerSize) {
input_->SetFrameSlot(i, Memory::uint32_at(tos + i));
}
}
void Deoptimizer::SetPlatformCompiledStubRegisters( void Deoptimizer::SetPlatformCompiledStubRegisters(
FrameDescription* output_frame, CodeStubDescriptor* descriptor) { FrameDescription* output_frame, CodeStubDescriptor* descriptor) {
ApiFunction function(descriptor->deoptimization_handler()); ApiFunction function(descriptor->deoptimization_handler());
......
src/arm64/deoptimizer-arm64.cc
View file @ 54188964
...@@ -65,28 +65,6 @@ void Deoptimizer::PatchCodeForDeoptimization(Isolate* isolate, Code* code) { ...@@ -65,28 +65,6 @@ void Deoptimizer::PatchCodeForDeoptimization(Isolate* isolate, Code* code) {
} }
void Deoptimizer::FillInputFrame(Address tos, JavaScriptFrame* frame) {
// Set the register values. The values are not important as there are no
// callee saved registers in JavaScript frames, so all registers are
// spilled. Registers fp and sp are set to the correct values though.
for (int i = 0; i < Register::NumRegisters(); i++) {
input_->SetRegister(i, 0);
}
// TODO(all): Do we also need to set a value to csp?
input_->SetRegister(jssp.code(), reinterpret_cast<intptr_t>(frame->sp()));
input_->SetRegister(fp.code(), reinterpret_cast<intptr_t>(frame->fp()));
for (int i = 0; i < DoubleRegister::kMaxNumRegisters; i++) {
input_->SetDoubleRegister(i, 0.0);
}
// Fill the frame content from the actual data on the frame.
for (unsigned i = 0; i < input_->GetFrameSize(); i += kPointerSize) {
input_->SetFrameSlot(i, Memory::uint64_at(tos + i));
}
}
bool Deoptimizer::HasAlignmentPadding(SharedFunctionInfo* shared) { bool Deoptimizer::HasAlignmentPadding(SharedFunctionInfo* shared) {
// There is no dynamic alignment padding on ARM64 in the input frame. // There is no dynamic alignment padding on ARM64 in the input frame.
return false; return false;
......
src/deoptimizer.cc
View file @ 54188964
...@@ -134,70 +134,26 @@ DeoptimizedFrameInfo* Deoptimizer::DebuggerInspectableFrame( ...@@ -134,70 +134,26 @@ DeoptimizedFrameInfo* Deoptimizer::DebuggerInspectableFrame(
Isolate* isolate) { Isolate* isolate) {
CHECK(frame->is_optimized()); CHECK(frame->is_optimized());
// Get the function and code from the frame. TranslatedState translated_values(frame);
JSFunction* function = frame->function(); translated_values.Prepare(false, frame->fp());
Code* code = frame->LookupCode();
TranslatedState::iterator frame_it = translated_values.end();
// Locate the deoptimization point in the code. As we are at a call the int counter = jsframe_index;
// return address must be at a place in the code with deoptimization support. for (auto it = translated_values.begin(); it != translated_values.end();
SafepointEntry safepoint_entry = code->GetSafepointEntry(frame->pc()); it++) {
int deoptimization_index = safepoint_entry.deoptimization_index(); if (it->kind() == TranslatedFrame::kFunction ||
CHECK_NE(deoptimization_index, Safepoint::kNoDeoptimizationIndex); it->kind() == TranslatedFrame::kInterpretedFunction) {
if (counter == 0) {
// Always use the actual stack slots when calculating the fp to sp frame_it = it;
// delta adding two for the function and context. break;
unsigned stack_slots = code->stack_slots(); }
unsigned arguments_stack_height = counter--;
Deoptimizer::ComputeOutgoingArgumentSize(code, deoptimization_index); }
unsigned fp_to_sp_delta = (stack_slots * kPointerSize) + }
StandardFrameConstants::kFixedFrameSizeFromFp + CHECK(frame_it != translated_values.end());
arguments_stack_height;
Deoptimizer* deoptimizer = new Deoptimizer(isolate,
function,
Deoptimizer::DEBUGGER,
deoptimization_index,
frame->pc(),
fp_to_sp_delta,
code);
Address tos = frame->fp() - fp_to_sp_delta;
deoptimizer->FillInputFrame(tos, frame);
// Calculate the output frames.
Deoptimizer::ComputeOutputFrames(deoptimizer);
// Create the GC safe output frame information and register it for GC
// handling.
CHECK_LT(jsframe_index, deoptimizer->jsframe_count());
// Convert JS frame index into frame index.
int frame_index = deoptimizer->ConvertJSFrameIndexToFrameIndex(jsframe_index);
bool has_arguments_adaptor =
frame_index > 0 &&
deoptimizer->output_[frame_index - 1]->GetFrameType() ==
StackFrame::ARGUMENTS_ADAPTOR;
int construct_offset = has_arguments_adaptor ? 2 : 1;
bool has_construct_stub =
frame_index >= construct_offset &&
deoptimizer->output_[frame_index - construct_offset]->GetFrameType() ==
StackFrame::CONSTRUCT;
DeoptimizedFrameInfo* info = new DeoptimizedFrameInfo(deoptimizer,
frame_index,
has_arguments_adaptor,
has_construct_stub);
// Done with the GC-unsafe frame descriptions. This re-enables allocation.
deoptimizer->DeleteFrameDescriptions();
// Allocate a heap number for the doubles belonging to this frame.
deoptimizer->MaterializeHeapNumbersForDebuggerInspectableFrame(
frame_index, info->parameters_count(), info->expression_count(), info);
// Finished using the deoptimizer instance. DeoptimizedFrameInfo* info =
delete deoptimizer; new DeoptimizedFrameInfo(&translated_values, frame_it, isolate);
return info; return info;
} }
...@@ -563,7 +519,11 @@ Deoptimizer::Deoptimizer(Isolate* isolate, JSFunction* function, ...@@ -563,7 +519,11 @@ Deoptimizer::Deoptimizer(Isolate* isolate, JSFunction* function,
PROFILE(isolate_, CodeDeoptEvent(compiled_code_, from_, fp_to_sp_delta_)); PROFILE(isolate_, CodeDeoptEvent(compiled_code_, from_, fp_to_sp_delta_));
} }
unsigned size = ComputeInputFrameSize(); unsigned size = ComputeInputFrameSize();
input_ = new(size) FrameDescription(size, function); int parameter_count =
function == nullptr
? 0
: (function->shared()->internal_formal_parameter_count() + 1);
input_ = new (size) FrameDescription(size, parameter_count);
input_->SetFrameType(frame_type); input_->SetFrameType(frame_type);
} }
...@@ -876,7 +836,7 @@ void Deoptimizer::DoComputeJSFrame(int frame_index, bool goto_catch_handler) { ...@@ -876,7 +836,7 @@ void Deoptimizer::DoComputeJSFrame(int frame_index, bool goto_catch_handler) {
height = catch_handler_data_; height = catch_handler_data_;
// We also make space for the exception itself. // We also make space for the exception itself.
height_in_bytes = (height + 1) * kPointerSize; height_in_bytes = (height + 1) * kPointerSize;
DCHECK(is_topmost); CHECK(is_topmost);
} }
JSFunction* function = JSFunction::cast(value_iterator->GetRawValue()); JSFunction* function = JSFunction::cast(value_iterator->GetRawValue());
...@@ -899,8 +859,9 @@ void Deoptimizer::DoComputeJSFrame(int frame_index, bool goto_catch_handler) { ...@@ -899,8 +859,9 @@ void Deoptimizer::DoComputeJSFrame(int frame_index, bool goto_catch_handler) {
unsigned output_frame_size = height_in_bytes + fixed_frame_size; unsigned output_frame_size = height_in_bytes + fixed_frame_size;
// Allocate and store the output frame description. // Allocate and store the output frame description.
FrameDescription* output_frame = int parameter_count = shared->internal_formal_parameter_count() + 1;
new(output_frame_size) FrameDescription(output_frame_size, function); FrameDescription* output_frame = new (output_frame_size)
FrameDescription(output_frame_size, parameter_count);
output_frame->SetFrameType(StackFrame::JAVA_SCRIPT); output_frame->SetFrameType(StackFrame::JAVA_SCRIPT);
CHECK(frame_index >= 0 && frame_index < output_count_); CHECK(frame_index >= 0 && frame_index < output_count_);
...@@ -931,7 +892,6 @@ void Deoptimizer::DoComputeJSFrame(int frame_index, bool goto_catch_handler) { ...@@ -931,7 +892,6 @@ void Deoptimizer::DoComputeJSFrame(int frame_index, bool goto_catch_handler) {
output_frame->SetTop(top_address); output_frame->SetTop(top_address);
// Compute the incoming parameter translation. // Compute the incoming parameter translation.
int parameter_count = shared->internal_formal_parameter_count() + 1;
unsigned output_offset = output_frame_size; unsigned output_offset = output_frame_size;
unsigned input_offset = input_frame_size; unsigned input_offset = input_frame_size;
for (int i = 0; i < parameter_count; ++i) { for (int i = 0; i < parameter_count; ++i) {
...@@ -1147,8 +1107,9 @@ void Deoptimizer::DoComputeInterpretedFrame(int frame_index, ...@@ -1147,8 +1107,9 @@ void Deoptimizer::DoComputeInterpretedFrame(int frame_index,
unsigned output_frame_size = height_in_bytes + fixed_frame_size; unsigned output_frame_size = height_in_bytes + fixed_frame_size;
// Allocate and store the output frame description. // Allocate and store the output frame description.
FrameDescription* output_frame = int parameter_count = shared->internal_formal_parameter_count() + 1;
new (output_frame_size) FrameDescription(output_frame_size, function); FrameDescription* output_frame = new (output_frame_size)
FrameDescription(output_frame_size, parameter_count);
output_frame->SetFrameType(StackFrame::INTERPRETED); output_frame->SetFrameType(StackFrame::INTERPRETED);
bool is_bottommost = (0 == frame_index); bool is_bottommost = (0 == frame_index);
...@@ -1175,7 +1136,6 @@ void Deoptimizer::DoComputeInterpretedFrame(int frame_index, ...@@ -1175,7 +1136,6 @@ void Deoptimizer::DoComputeInterpretedFrame(int frame_index,
output_frame->SetTop(top_address); output_frame->SetTop(top_address);
// Compute the incoming parameter translation. // Compute the incoming parameter translation.
int parameter_count = shared->internal_formal_parameter_count() + 1;
unsigned output_offset = output_frame_size; unsigned output_offset = output_frame_size;
unsigned input_offset = input_frame_size; unsigned input_offset = input_frame_size;
for (int i = 0; i < parameter_count; ++i) { for (int i = 0; i < parameter_count; ++i) {
...@@ -1383,8 +1343,9 @@ void Deoptimizer::DoComputeArgumentsAdaptorFrame(int frame_index) { ...@@ -1383,8 +1343,9 @@ void Deoptimizer::DoComputeArgumentsAdaptorFrame(int frame_index) {
unsigned output_frame_size = height_in_bytes + fixed_frame_size; unsigned output_frame_size = height_in_bytes + fixed_frame_size;
// Allocate and store the output frame description. // Allocate and store the output frame description.
FrameDescription* output_frame = int parameter_count = height;
new(output_frame_size) FrameDescription(output_frame_size, function); FrameDescription* output_frame = new (output_frame_size)
FrameDescription(output_frame_size, parameter_count);
output_frame->SetFrameType(StackFrame::ARGUMENTS_ADAPTOR); output_frame->SetFrameType(StackFrame::ARGUMENTS_ADAPTOR);
// Arguments adaptor can not be topmost or bottommost. // Arguments adaptor can not be topmost or bottommost.
...@@ -1399,7 +1360,6 @@ void Deoptimizer::DoComputeArgumentsAdaptorFrame(int frame_index) { ...@@ -1399,7 +1360,6 @@ void Deoptimizer::DoComputeArgumentsAdaptorFrame(int frame_index) {
output_frame->SetTop(top_address); output_frame->SetTop(top_address);
// Compute the incoming parameter translation. // Compute the incoming parameter translation.
int parameter_count = height;
unsigned output_offset = output_frame_size; unsigned output_offset = output_frame_size;
for (int i = 0; i < parameter_count; ++i) { for (int i = 0; i < parameter_count; ++i) {
output_offset -= kPointerSize; output_offset -= kPointerSize;
...@@ -1479,7 +1439,7 @@ void Deoptimizer::DoComputeConstructStubFrame(int frame_index) { ...@@ -1479,7 +1439,7 @@ void Deoptimizer::DoComputeConstructStubFrame(int frame_index) {
Code* construct_stub = builtins->builtin(Builtins::kJSConstructStubGeneric); Code* construct_stub = builtins->builtin(Builtins::kJSConstructStubGeneric);
unsigned height = translated_frame->height(); unsigned height = translated_frame->height();
unsigned height_in_bytes = height * kPointerSize; unsigned height_in_bytes = height * kPointerSize;
JSFunction* function = JSFunction::cast(value_iterator->GetRawValue()); // Skip function.
value_iterator++; value_iterator++;
input_index++; input_index++;
if (trace_scope_ != NULL) { if (trace_scope_ != NULL) {
...@@ -1492,7 +1452,7 @@ void Deoptimizer::DoComputeConstructStubFrame(int frame_index) { ...@@ -1492,7 +1452,7 @@ void Deoptimizer::DoComputeConstructStubFrame(int frame_index) {
// Allocate and store the output frame description. // Allocate and store the output frame description.
FrameDescription* output_frame = FrameDescription* output_frame =
new(output_frame_size) FrameDescription(output_frame_size, function); new (output_frame_size) FrameDescription(output_frame_size);
output_frame->SetFrameType(StackFrame::CONSTRUCT); output_frame->SetFrameType(StackFrame::CONSTRUCT);
// Construct stub can not be topmost or bottommost. // Construct stub can not be topmost or bottommost.
...@@ -1605,7 +1565,7 @@ void Deoptimizer::DoComputeAccessorStubFrame(int frame_index, ...@@ -1605,7 +1565,7 @@ void Deoptimizer::DoComputeAccessorStubFrame(int frame_index,
TranslatedFrame::iterator value_iterator = translated_frame->begin(); TranslatedFrame::iterator value_iterator = translated_frame->begin();
int input_index = 0; int input_index = 0;
JSFunction* accessor = JSFunction::cast(value_iterator->GetRawValue()); // Skip accessor.
value_iterator++; value_iterator++;
input_index++; input_index++;
// The receiver (and the implicit return value, if any) are expected in // The receiver (and the implicit return value, if any) are expected in
...@@ -1632,7 +1592,7 @@ void Deoptimizer::DoComputeAccessorStubFrame(int frame_index, ...@@ -1632,7 +1592,7 @@ void Deoptimizer::DoComputeAccessorStubFrame(int frame_index,
// Allocate and store the output frame description. // Allocate and store the output frame description.
FrameDescription* output_frame = FrameDescription* output_frame =
new(output_frame_size) FrameDescription(output_frame_size, accessor); new (output_frame_size) FrameDescription(output_frame_size);
output_frame->SetFrameType(StackFrame::INTERNAL); output_frame->SetFrameType(StackFrame::INTERNAL);
// A frame for an accessor stub can not be the topmost or bottommost one. // A frame for an accessor stub can not be the topmost or bottommost one.
...@@ -1791,7 +1751,7 @@ void Deoptimizer::DoComputeCompiledStubFrame(int frame_index) { ...@@ -1791,7 +1751,7 @@ void Deoptimizer::DoComputeCompiledStubFrame(int frame_index) {
// The stub failure trampoline is a single frame. // The stub failure trampoline is a single frame.
FrameDescription* output_frame = FrameDescription* output_frame =
new(output_frame_size) FrameDescription(output_frame_size, NULL); new (output_frame_size) FrameDescription(output_frame_size);
output_frame->SetFrameType(StackFrame::STUB_FAILURE_TRAMPOLINE); output_frame->SetFrameType(StackFrame::STUB_FAILURE_TRAMPOLINE);
CHECK_EQ(frame_index, 0); CHECK_EQ(frame_index, 0);
output_[frame_index] = output_frame; output_[frame_index] = output_frame;
...@@ -1992,55 +1952,6 @@ void Deoptimizer::MaterializeHeapObjects(JavaScriptFrameIterator* it) { ...@@ -1992,55 +1952,6 @@ void Deoptimizer::MaterializeHeapObjects(JavaScriptFrameIterator* it) {
} }
void Deoptimizer::MaterializeHeapNumbersForDebuggerInspectableFrame(
int frame_index, int parameter_count, int expression_count,
DeoptimizedFrameInfo* info) {
CHECK_EQ(DEBUGGER, bailout_type_);
translated_state_.Prepare(false, nullptr);
TranslatedFrame* frame = &(translated_state_.frames()[frame_index]);
CHECK(frame->kind() == TranslatedFrame::kFunction);
int frame_arg_count = frame->shared_info()->internal_formal_parameter_count();
// The height is #expressions + 1 for context.
CHECK_EQ(expression_count + 1, frame->height());
TranslatedFrame* argument_frame = frame;
if (frame_index > 0) {
TranslatedFrame* previous_frame =
&(translated_state_.frames()[frame_index - 1]);
if (previous_frame->kind() == TranslatedFrame::kArgumentsAdaptor) {
argument_frame = previous_frame;
CHECK_EQ(parameter_count, argument_frame->height() - 1);
} else {
CHECK_EQ(frame_arg_count, parameter_count);
}
} else {
CHECK_EQ(frame_arg_count, parameter_count);
}
TranslatedFrame::iterator arg_iter = argument_frame->begin();
arg_iter++; // Skip the function.
arg_iter++; // Skip the receiver.
for (int i = 0; i < parameter_count; i++, arg_iter++) {
if (!arg_iter->IsMaterializedObject()) {
info->SetParameter(i, arg_iter->GetValue());
}
}
TranslatedFrame::iterator iter = frame->begin();
// Skip the function, receiver, context and arguments.
for (int i = 0; i < frame_arg_count + 3; i++, iter++) {
}
for (int i = 0; i < expression_count; i++, iter++) {
if (!iter->IsMaterializedObject()) {
info->SetExpression(i, iter->GetValue());
}
}
}
void Deoptimizer::WriteTranslatedValueToOutput( void Deoptimizer::WriteTranslatedValueToOutput(
TranslatedFrame::iterator* iterator, int* input_index, int frame_index, TranslatedFrame::iterator* iterator, int* input_index, int frame_index,
unsigned output_offset, const char* debug_hint_string, unsigned output_offset, const char* debug_hint_string,
...@@ -2193,11 +2104,9 @@ void Deoptimizer::EnsureCodeForDeoptimizationEntry(Isolate* isolate, ...@@ -2193,11 +2104,9 @@ void Deoptimizer::EnsureCodeForDeoptimizationEntry(Isolate* isolate,
data->deopt_entry_code_entries_[type] = entry_count; data->deopt_entry_code_entries_[type] = entry_count;
} }
FrameDescription::FrameDescription(uint32_t frame_size, int parameter_count)
FrameDescription::FrameDescription(uint32_t frame_size,
JSFunction* function)
: frame_size_(frame_size), : frame_size_(frame_size),
function_(function), parameter_count_(parameter_count),
top_(kZapUint32), top_(kZapUint32),
pc_(kZapUint32), pc_(kZapUint32),
fp_(kZapUint32), fp_(kZapUint32),
...@@ -2221,10 +2130,10 @@ FrameDescription::FrameDescription(uint32_t frame_size, ...@@ -2221,10 +2130,10 @@ FrameDescription::FrameDescription(uint32_t frame_size,
int FrameDescription::ComputeFixedSize() { int FrameDescription::ComputeFixedSize() {
if (type_ == StackFrame::INTERPRETED) { if (type_ == StackFrame::INTERPRETED) {
return InterpreterFrameConstants::kFixedFrameSize + return InterpreterFrameConstants::kFixedFrameSize +
(ComputeParametersCount() + 1) * kPointerSize; parameter_count() * kPointerSize;
} else { } else {
return StandardFrameConstants::kFixedFrameSize + return StandardFrameConstants::kFixedFrameSize +
(ComputeParametersCount() + 1) * kPointerSize; parameter_count() * kPointerSize;
} }
} }
...@@ -2237,54 +2146,13 @@ unsigned FrameDescription::GetOffsetFromSlotIndex(int slot_index) { ...@@ -2237,54 +2146,13 @@ unsigned FrameDescription::GetOffsetFromSlotIndex(int slot_index) {
return base - ((slot_index + 1) * kPointerSize); return base - ((slot_index + 1) * kPointerSize);
} else { } else {
// Incoming parameter. // Incoming parameter.
int arg_size = (ComputeParametersCount() + 1) * kPointerSize; int arg_size = parameter_count() * kPointerSize;
unsigned base = GetFrameSize() - arg_size; unsigned base = GetFrameSize() - arg_size;
return base - ((slot_index + 1) * kPointerSize); return base - ((slot_index + 1) * kPointerSize);
} }
} }
int FrameDescription::ComputeParametersCount() {
switch (type_) {
case StackFrame::JAVA_SCRIPT:
return function_->shared()->internal_formal_parameter_count();
case StackFrame::ARGUMENTS_ADAPTOR: {
// Last slot contains number of incomming arguments as a smi.
// Can't use GetExpression(0) because it would cause infinite recursion.
return reinterpret_cast<Smi*>(*GetFrameSlotPointer(0))->value();
}
case StackFrame::STUB:
return -1; // Minus receiver.
default:
FATAL("Unexpected stack frame type");
return 0;
}
}
Object* FrameDescription::GetParameter(int index) {
CHECK_GE(index, 0);
CHECK_LT(index, ComputeParametersCount());
// The slot indexes for incoming arguments are negative.
unsigned offset = GetOffsetFromSlotIndex(index - ComputeParametersCount());
return reinterpret_cast<Object*>(*GetFrameSlotPointer(offset));
}
unsigned FrameDescription::GetExpressionCount() {
CHECK_EQ(StackFrame::JAVA_SCRIPT, type_);
unsigned size = GetFrameSize() - ComputeFixedSize();
return size / kPointerSize;
}
Object* FrameDescription::GetExpression(int index) {
DCHECK_EQ(StackFrame::JAVA_SCRIPT, type_);
unsigned offset = GetOffsetFromSlotIndex(index);
return reinterpret_cast<Object*>(*GetFrameSlotPointer(offset));
}
void TranslationBuffer::Add(int32_t value, Zone* zone) { void TranslationBuffer::Add(int32_t value, Zone* zone) {
// This wouldn't handle kMinInt correctly if it ever encountered it. // This wouldn't handle kMinInt correctly if it ever encountered it.
DCHECK(value != kMinInt); DCHECK(value != kMinInt);
...@@ -2606,50 +2474,109 @@ Handle<FixedArray> MaterializedObjectStore::EnsureStackEntries(int length) { ...@@ -2606,50 +2474,109 @@ Handle<FixedArray> MaterializedObjectStore::EnsureStackEntries(int length) {
return new_array; return new_array;
} }
namespace {
DeoptimizedFrameInfo::DeoptimizedFrameInfo(Deoptimizer* deoptimizer, Handle<Object> GetValueForDebugger(TranslatedFrame::iterator it,
int frame_index, Isolate* isolate) {
bool has_arguments_adaptor, if (it->GetRawValue() == isolate->heap()->arguments_marker()) {
bool has_construct_stub) { if (!it->IsMaterializableByDebugger()) {
FrameDescription* output_frame = deoptimizer->output_[frame_index]; return isolate->factory()->undefined_value();
function_ =
Handle<JSFunction>(output_frame->GetFunction(), deoptimizer->isolate());
context_ =
Handle<Object>(reinterpret_cast<Object*>(output_frame->GetContext()),
deoptimizer->isolate());
has_construct_stub_ = has_construct_stub;
expression_stack_.resize(
static_cast<size_t>(output_frame->GetExpressionCount()));
// Get the source position using the unoptimized code.
Address pc = reinterpret_cast<Address>(output_frame->GetPc());
Code* code = Code::cast(deoptimizer->isolate()->FindCodeObject(pc));
int offset = static_cast<int>(pc - code->instruction_start());
source_position_ = code->SourcePosition(offset);
for (int i = 0; i < static_cast<int>(expression_count()); i++) {
Object* value = output_frame->GetExpression(i);
// Replace materialization markers with the undefined value.
if (value == deoptimizer->isolate()->heap()->arguments_marker()) {
value = deoptimizer->isolate()->heap()->undefined_value();
} }
SetExpression(i, Handle<Object>(value, deoptimizer->isolate()));
} }
return it->GetValue();
}
if (has_arguments_adaptor) { int ComputeSourcePosition(Handle<SharedFunctionInfo> shared,
output_frame = deoptimizer->output_[frame_index - 1]; BailoutId node_id) {
CHECK_EQ(output_frame->GetFrameType(), StackFrame::ARGUMENTS_ADAPTOR); if (shared->HasBytecodeArray()) {
BytecodeArray* bytecodes = shared->bytecode_array();
return bytecodes->SourcePosition(node_id.ToInt());
} else {
Code* non_optimized_code = shared->code();
FixedArray* raw_data = non_optimized_code->deoptimization_data();
DeoptimizationOutputData* data = DeoptimizationOutputData::cast(raw_data);
unsigned pc_and_state = Deoptimizer::GetOutputInfo(data, node_id, *shared);
unsigned pc_offset = FullCodeGenerator::PcField::decode(pc_and_state);
return non_optimized_code->SourcePosition(pc_offset);
} }
}
parameters_.resize( } // namespace
static_cast<size_t>(output_frame->ComputeParametersCount()));
for (int i = 0; i < output_frame->ComputeParametersCount(); i++) { DeoptimizedFrameInfo::DeoptimizedFrameInfo(TranslatedState* state,
Object* value = output_frame->GetParameter(i); TranslatedState::iterator frame_it,
// Replace materialization markers with the undefined value. Isolate* isolate) {
if (value == deoptimizer->isolate()->heap()->arguments_marker()) { // If the previous frame is an adaptor frame, we will take the parameters
value = deoptimizer->isolate()->heap()->undefined_value(); // from there.
} TranslatedState::iterator parameter_frame = frame_it;
SetParameter(i, Handle<Object>(value, deoptimizer->isolate())); if (parameter_frame != state->begin()) {
parameter_frame--;
}
int parameter_count;
if (parameter_frame->kind() == TranslatedFrame::kArgumentsAdaptor) {
parameter_count = parameter_frame->height() - 1; // Ignore the receiver.
} else {
parameter_frame = frame_it;
parameter_count =
frame_it->shared_info()->internal_formal_parameter_count();
} }
TranslatedFrame::iterator parameter_it = parameter_frame->begin();
parameter_it++; // Skip the function.
parameter_it++; // Skip the receiver.
// Figure out whether there is a construct stub frame on top of
// the parameter frame.
has_construct_stub_ =
parameter_frame != state->begin() &&
(parameter_frame - 1)->kind() == TranslatedFrame::kConstructStub;
source_position_ =
ComputeSourcePosition(frame_it->shared_info(), frame_it->node_id());
TranslatedFrame::iterator value_it = frame_it->begin();
// Get the function. Note that this might materialize the function.
// In case the debugger mutates this value, we should deoptimize
// the function and remember the value in the materialized value store.
function_ = Handle<JSFunction>::cast(value_it->GetValue());
parameters_.resize(static_cast<size_t>(parameter_count));
for (int i = 0; i < parameter_count; i++) {
Handle<Object> parameter = GetValueForDebugger(parameter_it, isolate);
SetParameter(i, parameter);
parameter_it++;
}
// Skip the function, the receiver and the arguments.
int skip_count =
frame_it->shared_info()->internal_formal_parameter_count() + 2;
TranslatedFrame::iterator stack_it = frame_it->begin();
for (int i = 0; i < skip_count; i++) {
stack_it++;
}
// Get the context.
context_ = GetValueForDebugger(stack_it, isolate);
stack_it++;
// Get the expression stack.
int stack_height = frame_it->height();
if (frame_it->kind() == TranslatedFrame::kFunction) {
// For full-code frames, we should not count the context.
// TODO(jarin): Clean up the indexing in translated frames.
stack_height--;
}
expression_stack_.resize(static_cast<size_t>(stack_height));
for (int i = 0; i < stack_height; i++) {
Handle<Object> expression = GetValueForDebugger(stack_it, isolate);
SetExpression(i, expression);
stack_it++;
}
// For interpreter frame, skip the accumulator.
if (parameter_frame->kind() == TranslatedFrame::kInterpretedFunction) {
stack_it++;
}
CHECK(stack_it == frame_it->end());
} }
...@@ -2929,6 +2856,10 @@ bool TranslatedValue::IsMaterializedObject() const { ...@@ -2929,6 +2856,10 @@ bool TranslatedValue::IsMaterializedObject() const {
} }
} }
bool TranslatedValue::IsMaterializableByDebugger() const {
// At the moment, we only allow materialization of doubles.
return (kind() == kDouble);
}
int TranslatedValue::GetChildrenCount() const { int TranslatedValue::GetChildrenCount() const {
if (kind() == kCapturedObject || kind() == kArgumentsObject) { if (kind() == kCapturedObject || kind() == kArgumentsObject) {
...@@ -3477,7 +3408,7 @@ void TranslatedState::Prepare(bool has_adapted_arguments, ...@@ -3477,7 +3408,7 @@ void TranslatedState::Prepare(bool has_adapted_arguments,
Handle<Object> TranslatedState::MaterializeAt(int frame_index, Handle<Object> TranslatedState::MaterializeAt(int frame_index,
int* value_index) { int* value_index) {
TranslatedFrame* frame = &(frames_[frame_index]); TranslatedFrame* frame = &(frames_[frame_index]);
DCHECK(static_cast<size_t>(*value_index) < frame->values_.size()); CHECK(static_cast<size_t>(*value_index) < frame->values_.size());
TranslatedValue* slot = &(frame->values_[*value_index]); TranslatedValue* slot = &(frame->values_[*value_index]);
(*value_index)++; (*value_index)++;
...@@ -3633,16 +3564,16 @@ Handle<Object> TranslatedState::MaterializeAt(int frame_index, ...@@ -3633,16 +3564,16 @@ Handle<Object> TranslatedState::MaterializeAt(int frame_index,
TranslatedState::ObjectPosition pos = object_positions_[object_index]; TranslatedState::ObjectPosition pos = object_positions_[object_index];
// Make sure the duplicate is refering to a previous object. // Make sure the duplicate is refering to a previous object.
DCHECK(pos.frame_index_ < frame_index || CHECK(pos.frame_index_ < frame_index ||
(pos.frame_index_ == frame_index && (pos.frame_index_ == frame_index &&
pos.value_index_ < *value_index - 1)); pos.value_index_ < *value_index - 1));
Handle<Object> object = Handle<Object> object =
frames_[pos.frame_index_].values_[pos.value_index_].GetValue(); frames_[pos.frame_index_].values_[pos.value_index_].GetValue();
// The object should have a (non-sentinel) value. // The object should have a (non-sentinel) value.
DCHECK(!object.is_null() && CHECK(!object.is_null() &&
!object.is_identical_to(isolate_->factory()->arguments_marker())); !object.is_identical_to(isolate_->factory()->arguments_marker()));
slot->value_ = object; slot->value_ = object;
return object; return object;
...@@ -3746,7 +3677,7 @@ void TranslatedState::StoreMaterializedValuesAndDeopt() { ...@@ -3746,7 +3677,7 @@ void TranslatedState::StoreMaterializedValuesAndDeopt() {
new_store = true; new_store = true;
} }
DCHECK_EQ(length, previously_materialized_objects->length()); CHECK_EQ(length, previously_materialized_objects->length());
bool value_changed = false; bool value_changed = false;
for (int i = 0; i < length; i++) { for (int i = 0; i < length; i++) {
...@@ -3754,7 +3685,7 @@ void TranslatedState::StoreMaterializedValuesAndDeopt() { ...@@ -3754,7 +3685,7 @@ void TranslatedState::StoreMaterializedValuesAndDeopt() {
TranslatedValue* value_info = TranslatedValue* value_info =
&(frames_[pos.frame_index_].values_[pos.value_index_]); &(frames_[pos.frame_index_].values_[pos.value_index_]);
DCHECK(value_info->IsMaterializedObject()); CHECK(value_info->IsMaterializedObject());
Handle<Object> value(value_info->GetRawValue(), isolate_); Handle<Object> value(value_info->GetRawValue(), isolate_);
...@@ -3763,14 +3694,14 @@ void TranslatedState::StoreMaterializedValuesAndDeopt() { ...@@ -3763,14 +3694,14 @@ void TranslatedState::StoreMaterializedValuesAndDeopt() {
previously_materialized_objects->set(i, *value); previously_materialized_objects->set(i, *value);
value_changed = true; value_changed = true;
} else { } else {
DCHECK(previously_materialized_objects->get(i) == *value); CHECK(previously_materialized_objects->get(i) == *value);
} }
} }
} }
if (new_store && value_changed) { if (new_store && value_changed) {
materialized_store->Set(stack_frame_pointer_, materialized_store->Set(stack_frame_pointer_,
previously_materialized_objects); previously_materialized_objects);
DCHECK_EQ(TranslatedFrame::kFunction, frames_[0].kind()); CHECK_EQ(TranslatedFrame::kFunction, frames_[0].kind());
Object* const function = frames_[0].front().GetRawValue(); Object* const function = frames_[0].front().GetRawValue();
Deoptimizer::DeoptimizeFunction(JSFunction::cast(function)); Deoptimizer::DeoptimizeFunction(JSFunction::cast(function));
} }
...@@ -3789,7 +3720,7 @@ void TranslatedState::UpdateFromPreviouslyMaterializedObjects() { ...@@ -3789,7 +3720,7 @@ void TranslatedState::UpdateFromPreviouslyMaterializedObjects() {
Handle<Object> marker = isolate_->factory()->arguments_marker(); Handle<Object> marker = isolate_->factory()->arguments_marker();
int length = static_cast<int>(object_positions_.size()); int length = static_cast<int>(object_positions_.size());
DCHECK_EQ(length, previously_materialized_objects->length()); CHECK_EQ(length, previously_materialized_objects->length());
for (int i = 0; i < length; i++) { for (int i = 0; i < length; i++) {
// For a previously materialized objects, inject their value into the // For a previously materialized objects, inject their value into the
...@@ -3798,7 +3729,7 @@ void TranslatedState::UpdateFromPreviouslyMaterializedObjects() { ...@@ -3798,7 +3729,7 @@ void TranslatedState::UpdateFromPreviouslyMaterializedObjects() {
TranslatedState::ObjectPosition pos = object_positions_[i]; TranslatedState::ObjectPosition pos = object_positions_[i];
TranslatedValue* value_info = TranslatedValue* value_info =
&(frames_[pos.frame_index_].values_[pos.value_index_]); &(frames_[pos.frame_index_].values_[pos.value_index_]);
DCHECK(value_info->IsMaterializedObject()); CHECK(value_info->IsMaterializedObject());
value_info->value_ = value_info->value_ =
Handle<Object>(previously_materialized_objects->get(i), isolate_); Handle<Object>(previously_materialized_objects->get(i), isolate_);
......
src/deoptimizer.h
View file @ 54188964
...@@ -27,6 +27,7 @@ class TranslatedValue { ...@@ -27,6 +27,7 @@ class TranslatedValue {
Handle<Object> GetValue(); Handle<Object> GetValue();
bool IsMaterializedObject() const; bool IsMaterializedObject() const;
bool IsMaterializableByDebugger() const;
private: private:
friend class TranslatedState; friend class TranslatedState;
...@@ -508,10 +509,6 @@ class Deoptimizer : public Malloced { ...@@ -508,10 +509,6 @@ class Deoptimizer : public Malloced {
void MaterializeHeapObjects(JavaScriptFrameIterator* it); void MaterializeHeapObjects(JavaScriptFrameIterator* it);
void MaterializeHeapNumbersForDebuggerInspectableFrame(
int frame_index, int parameter_count, int expression_count,
DeoptimizedFrameInfo* info);
static void ComputeOutputFrames(Deoptimizer* deoptimizer); static void ComputeOutputFrames(Deoptimizer* deoptimizer);
...@@ -645,11 +642,6 @@ class Deoptimizer : public Malloced { ...@@ -645,11 +642,6 @@ class Deoptimizer : public Malloced {
// searching all code objects). // searching all code objects).
Code* FindDeoptimizingCode(Address addr); Code* FindDeoptimizingCode(Address addr);
// Fill the input from from a JavaScript frame. This is used when
// the debugger needs to inspect an optimized frame. For normal
// deoptimizations the input frame is filled in generated code.
void FillInputFrame(Address tos, JavaScriptFrame* frame);
// Fill the given output frame's registers to contain the failure handler // Fill the given output frame's registers to contain the failure handler
// address and the number of parameters for a stub failure trampoline. // address and the number of parameters for a stub failure trampoline.
void SetPlatformCompiledStubRegisters(FrameDescription* output_frame, void SetPlatformCompiledStubRegisters(FrameDescription* output_frame,
...@@ -744,8 +736,7 @@ class RegisterValues { ...@@ -744,8 +736,7 @@ class RegisterValues {
class FrameDescription { class FrameDescription {
public: public:
FrameDescription(uint32_t frame_size, explicit FrameDescription(uint32_t frame_size, int parameter_count = 0);
JSFunction* function);
void* operator new(size_t size, uint32_t frame_size) { void* operator new(size_t size, uint32_t frame_size) {
// Subtracts kPointerSize, as the member frame_content_ already supplies // Subtracts kPointerSize, as the member frame_content_ already supplies
...@@ -766,8 +757,6 @@ class FrameDescription { ...@@ -766,8 +757,6 @@ class FrameDescription {
return static_cast<uint32_t>(frame_size_); return static_cast<uint32_t>(frame_size_);
} }
JSFunction* GetFunction() const { return function_; }
unsigned GetOffsetFromSlotIndex(int slot_index); unsigned GetOffsetFromSlotIndex(int slot_index);
intptr_t GetFrameSlot(unsigned offset) { intptr_t GetFrameSlot(unsigned offset) {
...@@ -775,8 +764,7 @@ class FrameDescription { ...@@ -775,8 +764,7 @@ class FrameDescription {
} }
Address GetFramePointerAddress() { Address GetFramePointerAddress() {
int fp_offset = GetFrameSize() - int fp_offset = GetFrameSize() - parameter_count() * kPointerSize -
(ComputeParametersCount() + 1) * kPointerSize -
StandardFrameConstants::kCallerSPOffset; StandardFrameConstants::kCallerSPOffset;
return reinterpret_cast<Address>(GetFrameSlotPointer(fp_offset)); return reinterpret_cast<Address>(GetFrameSlotPointer(fp_offset));
} }
...@@ -834,17 +822,8 @@ class FrameDescription { ...@@ -834,17 +822,8 @@ class FrameDescription {
StackFrame::Type GetFrameType() const { return type_; } StackFrame::Type GetFrameType() const { return type_; }
void SetFrameType(StackFrame::Type type) { type_ = type; } void SetFrameType(StackFrame::Type type) { type_ = type; }
// Get the incoming arguments count. // Argument count, including receiver.
int ComputeParametersCount(); int parameter_count() { return parameter_count_; }
// Get a parameter value for an unoptimized frame.
Object* GetParameter(int index);
// Get the expression stack height for a unoptimized frame.
unsigned GetExpressionCount();
// Get the expression stack value for an unoptimized frame.
Object* GetExpression(int index);
static int registers_offset() { static int registers_offset() {
return OFFSET_OF(FrameDescription, register_values_.registers_); return OFFSET_OF(FrameDescription, register_values_.registers_);
...@@ -877,7 +856,7 @@ class FrameDescription { ...@@ -877,7 +856,7 @@ class FrameDescription {
// keep the variable-size array frame_content_ of type intptr_t at // keep the variable-size array frame_content_ of type intptr_t at
// the end of the structure aligned. // the end of the structure aligned.
uintptr_t frame_size_; // Number of bytes. uintptr_t frame_size_; // Number of bytes.
JSFunction* function_; int parameter_count_;
RegisterValues register_values_; RegisterValues register_values_;
intptr_t top_; intptr_t top_;
intptr_t pc_; intptr_t pc_;
...@@ -1072,10 +1051,9 @@ class MaterializedObjectStore { ...@@ -1072,10 +1051,9 @@ class MaterializedObjectStore {
// formal parameter count. // formal parameter count.
class DeoptimizedFrameInfo : public Malloced { class DeoptimizedFrameInfo : public Malloced {
public: public:
DeoptimizedFrameInfo(Deoptimizer* deoptimizer, DeoptimizedFrameInfo(TranslatedState* state,
int frame_index, TranslatedState::iterator frame_it, Isolate* isolate);
bool has_arguments_adaptor,
bool has_construct_stub);
// Return the number of incoming arguments. // Return the number of incoming arguments.
int parameters_count() { return static_cast<int>(parameters_.size()); } int parameters_count() { return static_cast<int>(parameters_.size()); }
......
src/ia32/deoptimizer-ia32.cc
View file @ 54188964
...@@ -169,27 +169,6 @@ void Deoptimizer::PatchCodeForDeoptimization(Isolate* isolate, Code* code) { ...@@ -169,27 +169,6 @@ void Deoptimizer::PatchCodeForDeoptimization(Isolate* isolate, Code* code) {
} }
void Deoptimizer::FillInputFrame(Address tos, JavaScriptFrame* frame) {
// Set the register values. The values are not important as there are no
// callee saved registers in JavaScript frames, so all registers are
// spilled. Registers ebp and esp are set to the correct values though.
for (int i = 0; i < Register::kNumRegisters; i++) {
input_->SetRegister(i, i * 4);
}
input_->SetRegister(esp.code(), reinterpret_cast<intptr_t>(frame->sp()));
input_->SetRegister(ebp.code(), reinterpret_cast<intptr_t>(frame->fp()));
for (int i = 0; i < XMMRegister::kMaxNumRegisters; i++) {
input_->SetDoubleRegister(i, 0.0);
}
// Fill the frame content from the actual data on the frame.
for (unsigned i = 0; i < input_->GetFrameSize(); i += kPointerSize) {
input_->SetFrameSlot(i, Memory::uint32_at(tos + i));
}
}
void Deoptimizer::SetPlatformCompiledStubRegisters( void Deoptimizer::SetPlatformCompiledStubRegisters(
FrameDescription* output_frame, CodeStubDescriptor* descriptor) { FrameDescription* output_frame, CodeStubDescriptor* descriptor) {
intptr_t handler = intptr_t handler =
......
src/mips/deoptimizer-mips.cc
View file @ 54188964
...@@ -80,27 +80,6 @@ void Deoptimizer::PatchCodeForDeoptimization(Isolate* isolate, Code* code) { ...@@ -80,27 +80,6 @@ void Deoptimizer::PatchCodeForDeoptimization(Isolate* isolate, Code* code) {
} }
void Deoptimizer::FillInputFrame(Address tos, JavaScriptFrame* frame) {
// Set the register values. The values are not important as there are no
// callee saved registers in JavaScript frames, so all registers are
// spilled. Registers fp and sp are set to the correct values though.
for (int i = 0; i < Register::kNumRegisters; i++) {
input_->SetRegister(i, i * 4);
}
input_->SetRegister(sp.code(), reinterpret_cast<intptr_t>(frame->sp()));
input_->SetRegister(fp.code(), reinterpret_cast<intptr_t>(frame->fp()));
for (int i = 0; i < DoubleRegister::kMaxNumRegisters; i++) {
input_->SetDoubleRegister(i, 0.0);
}
// Fill the frame content from the actual data on the frame.
for (unsigned i = 0; i < input_->GetFrameSize(); i += kPointerSize) {
input_->SetFrameSlot(i, Memory::uint32_at(tos + i));
}
}
void Deoptimizer::SetPlatformCompiledStubRegisters( void Deoptimizer::SetPlatformCompiledStubRegisters(
FrameDescription* output_frame, CodeStubDescriptor* descriptor) { FrameDescription* output_frame, CodeStubDescriptor* descriptor) {
ApiFunction function(descriptor->deoptimization_handler()); ApiFunction function(descriptor->deoptimization_handler());
......
src/mips64/deoptimizer-mips64.cc
View file @ 54188964
...@@ -80,27 +80,6 @@ void Deoptimizer::PatchCodeForDeoptimization(Isolate* isolate, Code* code) { ...@@ -80,27 +80,6 @@ void Deoptimizer::PatchCodeForDeoptimization(Isolate* isolate, Code* code) {
} }
void Deoptimizer::FillInputFrame(Address tos, JavaScriptFrame* frame) {
// Set the register values. The values are not important as there are no
// callee saved registers in JavaScript frames, so all registers are
// spilled. Registers fp and sp are set to the correct values though.
for (int i = 0; i < Register::kNumRegisters; i++) {
input_->SetRegister(i, i * 4);
}
input_->SetRegister(sp.code(), reinterpret_cast<intptr_t>(frame->sp()));
input_->SetRegister(fp.code(), reinterpret_cast<intptr_t>(frame->fp()));
for (int i = 0; i < DoubleRegister::kMaxNumRegisters; i++) {
input_->SetDoubleRegister(i, 0.0);
}
// Fill the frame content from the actual data on the frame.
for (unsigned i = 0; i < input_->GetFrameSize(); i += kPointerSize) {
input_->SetFrameSlot(i, Memory::uint64_at(tos + i));
}
}
void Deoptimizer::SetPlatformCompiledStubRegisters( void Deoptimizer::SetPlatformCompiledStubRegisters(
FrameDescription* output_frame, CodeStubDescriptor* descriptor) { FrameDescription* output_frame, CodeStubDescriptor* descriptor) {
ApiFunction function(descriptor->deoptimization_handler()); ApiFunction function(descriptor->deoptimization_handler());
......
src/ppc/deoptimizer-ppc.cc
View file @ 54188964
...@@ -88,31 +88,6 @@ void Deoptimizer::PatchCodeForDeoptimization(Isolate* isolate, Code* code) { ...@@ -88,31 +88,6 @@ void Deoptimizer::PatchCodeForDeoptimization(Isolate* isolate, Code* code) {
} }
void Deoptimizer::FillInputFrame(Address tos, JavaScriptFrame* frame) {
// Set the register values. The values are not important as there are no
// callee saved registers in JavaScript frames, so all registers are
// spilled. Registers fp and sp are set to the correct values though.
// We ensure the values are Smis to avoid confusing the garbage
// collector in the event that any values are retreived and stored
// elsewhere.
for (int i = 0; i < Register::kNumRegisters; i++) {
input_->SetRegister(i, reinterpret_cast<intptr_t>(Smi::FromInt(i)));
}
input_->SetRegister(sp.code(), reinterpret_cast<intptr_t>(frame->sp()));
input_->SetRegister(fp.code(), reinterpret_cast<intptr_t>(frame->fp()));
for (int i = 0; i < DoubleRegister::kNumRegisters; i++) {
input_->SetDoubleRegister(i, 0.0);
}
// Fill the frame content from the actual data on the frame.
for (unsigned i = 0; i < input_->GetFrameSize(); i += kPointerSize) {
input_->SetFrameSlot(
i, reinterpret_cast<intptr_t>(Memory::Address_at(tos + i)));
}
}
void Deoptimizer::SetPlatformCompiledStubRegisters( void Deoptimizer::SetPlatformCompiledStubRegisters(
FrameDescription* output_frame, CodeStubDescriptor* descriptor) { FrameDescription* output_frame, CodeStubDescriptor* descriptor) {
ApiFunction function(descriptor->deoptimization_handler()); ApiFunction function(descriptor->deoptimization_handler());
......
src/x64/deoptimizer-x64.cc
View file @ 54188964
...@@ -88,26 +88,6 @@ void Deoptimizer::PatchCodeForDeoptimization(Isolate* isolate, Code* code) { ...@@ -88,26 +88,6 @@ void Deoptimizer::PatchCodeForDeoptimization(Isolate* isolate, Code* code) {
} }
void Deoptimizer::FillInputFrame(Address tos, JavaScriptFrame* frame) {
// Set the register values. The values are not important as there are no
// callee saved registers in JavaScript frames, so all registers are
// spilled. Registers rbp and rsp are set to the correct values though.
for (int i = 0; i < Register::kNumRegisters; i++) {
input_->SetRegister(i, i * 4);
}
input_->SetRegister(rsp.code(), reinterpret_cast<intptr_t>(frame->sp()));
input_->SetRegister(rbp.code(), reinterpret_cast<intptr_t>(frame->fp()));
for (int i = 0; i < DoubleRegister::kMaxNumRegisters; i++) {
input_->SetDoubleRegister(i, 0.0);
}
// Fill the frame content from the actual data on the frame.
for (unsigned i = 0; i < input_->GetFrameSize(); i += kPointerSize) {
input_->SetFrameSlot(i, Memory::uintptr_at(tos + i));
}
}
void Deoptimizer::SetPlatformCompiledStubRegisters( void Deoptimizer::SetPlatformCompiledStubRegisters(
FrameDescription* output_frame, CodeStubDescriptor* descriptor) { FrameDescription* output_frame, CodeStubDescriptor* descriptor) {
intptr_t handler = intptr_t handler =
......
src/x87/deoptimizer-x87.cc
View file @ 54188964
...@@ -169,27 +169,6 @@ void Deoptimizer::PatchCodeForDeoptimization(Isolate* isolate, Code* code) { ...@@ -169,27 +169,6 @@ void Deoptimizer::PatchCodeForDeoptimization(Isolate* isolate, Code* code) {
} }
void Deoptimizer::FillInputFrame(Address tos, JavaScriptFrame* frame) {
// Set the register values. The values are not important as there are no
// callee saved registers in JavaScript frames, so all registers are
// spilled. Registers ebp and esp are set to the correct values though.
for (int i = 0; i < Register::kNumRegisters; i++) {
input_->SetRegister(i, i * 4);
}
input_->SetRegister(esp.code(), reinterpret_cast<intptr_t>(frame->sp()));
input_->SetRegister(ebp.code(), reinterpret_cast<intptr_t>(frame->fp()));
for (int i = 0; i < X87Register::kMaxNumRegisters; i++) {
input_->SetDoubleRegister(i, 0.0);
}
// Fill the frame content from the actual data on the frame.
for (unsigned i = 0; i < input_->GetFrameSize(); i += kPointerSize) {
input_->SetFrameSlot(i, Memory::uint32_at(tos + i));
}
}
void Deoptimizer::SetPlatformCompiledStubRegisters( void Deoptimizer::SetPlatformCompiledStubRegisters(
FrameDescription* output_frame, CodeStubDescriptor* descriptor) { FrameDescription* output_frame, CodeStubDescriptor* descriptor) {
intptr_t handler = intptr_t handler =
......
test/mjsunit/mjsunit.status
View file @ 54188964
...@@ -764,12 +764,6 @@ ...@@ -764,12 +764,6 @@
'regress/debug*': [SKIP], 'regress/debug*': [SKIP],
'regress/regress-debug*': [SKIP], 'regress/regress-debug*': [SKIP],
# TODO(yangguo,4690): Failing in debugger DebuggerInspectableFrame.
'for-in-opt': [FAIL],
'regress/regress-4309-2': [FAIL],
'regress/regress-4309-3': [FAIL],
'regress/regress-4309-1': [FAIL],
# TODO(yangguo,4690): debug-scopes.cc failure in ScopeIterator::Type # TODO(yangguo,4690): debug-scopes.cc failure in ScopeIterator::Type
# DCHECK(context_->IsFunctionContext() || !scope_info->HasContext()); # DCHECK(context_->IsFunctionContext() || !scope_info->HasContext());
'regress/regress-crbug-582051': [SKIP], 'regress/regress-crbug-582051': [SKIP],
......
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