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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/full-codegen/full-codegen.h" | 5 #include "src/full-codegen/full-codegen.h" |
6 | 6 |
7 #include "src/ast/ast-numbering.h" | 7 #include "src/ast/ast-numbering.h" |
8 #include "src/ast/ast.h" | 8 #include "src/ast/ast.h" |
9 #include "src/ast/prettyprinter.h" | 9 #include "src/ast/prettyprinter.h" |
10 #include "src/ast/scopes.h" | 10 #include "src/ast/scopes.h" |
11 #include "src/code-factory.h" | 11 #include "src/code-factory.h" |
12 #include "src/codegen.h" | 12 #include "src/codegen.h" |
13 #include "src/compiler.h" | 13 #include "src/compiler.h" |
14 #include "src/debug/debug.h" | 14 #include "src/debug/debug.h" |
15 #include "src/debug/liveedit.h" | 15 #include "src/debug/liveedit.h" |
16 #include "src/frames-inl.h" | 16 #include "src/frames-inl.h" |
17 #include "src/globals.h" | 17 #include "src/globals.h" |
18 #include "src/isolate-inl.h" | 18 #include "src/isolate-inl.h" |
19 #include "src/macro-assembler.h" | 19 #include "src/macro-assembler.h" |
20 #include "src/snapshot/snapshot.h" | 20 #include "src/snapshot/snapshot.h" |
21 #include "src/tracing/trace-event.h" | 21 #include "src/tracing/trace-event.h" |
22 | 22 |
23 namespace v8 { | 23 namespace v8 { |
24 namespace internal { | 24 namespace internal { |
25 | 25 |
26 #define __ ACCESS_MASM(masm()) | 26 #define __ ACCESS_MASM(masm()) |
27 | 27 |
28 bool FullCodeGenerator::MakeCode(CompilationInfo* info) { | 28 class FullCodegenCompilationJob final : public CompilationJob { |
| 29 public: |
| 30 explicit FullCodegenCompilationJob(CompilationInfo* info) |
| 31 : CompilationJob(info->isolate(), info, "Full-Codegen") {} |
| 32 |
| 33 bool can_execute_on_background_thread() const override { return false; } |
| 34 |
| 35 CompilationJob::Status PrepareJobImpl() final { return SUCCEEDED; } |
| 36 |
| 37 CompilationJob::Status ExecuteJobImpl() final { |
| 38 DCHECK(ThreadId::Current().Equals(isolate()->thread_id())); |
| 39 return FullCodeGenerator::MakeCode(info(), stack_limit()) ? SUCCEEDED |
| 40 : FAILED; |
| 41 } |
| 42 |
| 43 CompilationJob::Status FinalizeJobImpl() final { return SUCCEEDED; } |
| 44 }; |
| 45 |
| 46 // static |
| 47 CompilationJob* FullCodeGenerator::NewCompilationJob(CompilationInfo* info) { |
| 48 return new FullCodegenCompilationJob(info); |
| 49 } |
| 50 |
| 51 // static |
| 52 bool FullCodeGenerator::MakeCode(CompilationInfo* info, uintptr_t stack_limit) { |
29 Isolate* isolate = info->isolate(); | 53 Isolate* isolate = info->isolate(); |
30 | 54 |
31 DCHECK(!FLAG_minimal); | 55 DCHECK(!FLAG_minimal); |
32 RuntimeCallTimerScope runtimeTimer(isolate, | 56 RuntimeCallTimerScope runtimeTimer(isolate, |
33 &RuntimeCallStats::CompileFullCode); | 57 &RuntimeCallStats::CompileFullCode); |
34 TimerEventScope<TimerEventCompileFullCode> timer(info->isolate()); | 58 TimerEventScope<TimerEventCompileFullCode> timer(info->isolate()); |
35 TRACE_EVENT_RUNTIME_CALL_STATS_TRACING_SCOPED( | 59 TRACE_EVENT_RUNTIME_CALL_STATS_TRACING_SCOPED( |
36 isolate, &tracing::TraceEventStatsTable::CompileFullCode); | 60 isolate, &tracing::TraceEventStatsTable::CompileFullCode); |
37 | 61 |
38 Handle<Script> script = info->script(); | 62 Handle<Script> script = info->script(); |
39 if (!script->IsUndefined(isolate) && | 63 if (!script->IsUndefined(isolate) && |
40 !script->source()->IsUndefined(isolate)) { | 64 !script->source()->IsUndefined(isolate)) { |
41 int len = String::cast(script->source())->length(); | 65 int len = String::cast(script->source())->length(); |
42 isolate->counters()->total_full_codegen_source_size()->Increment(len); | 66 isolate->counters()->total_full_codegen_source_size()->Increment(len); |
43 } | 67 } |
44 CodeGenerator::MakeCodePrologue(info, "full"); | 68 CodeGenerator::MakeCodePrologue(info, "full"); |
45 const int kInitialBufferSize = 4 * KB; | 69 const int kInitialBufferSize = 4 * KB; |
46 MacroAssembler masm(info->isolate(), NULL, kInitialBufferSize, | 70 MacroAssembler masm(info->isolate(), NULL, kInitialBufferSize, |
47 CodeObjectRequired::kYes); | 71 CodeObjectRequired::kYes); |
48 if (info->will_serialize()) masm.enable_serializer(); | 72 if (info->will_serialize()) masm.enable_serializer(); |
49 | 73 |
50 FullCodeGenerator cgen(&masm, info); | 74 FullCodeGenerator cgen(&masm, info, stack_limit); |
51 cgen.Generate(); | 75 cgen.Generate(); |
52 if (cgen.HasStackOverflow()) { | 76 if (cgen.HasStackOverflow()) { |
53 DCHECK(!isolate->has_pending_exception()); | 77 DCHECK(!isolate->has_pending_exception()); |
54 return false; | 78 return false; |
55 } | 79 } |
56 unsigned table_offset = cgen.EmitBackEdgeTable(); | 80 unsigned table_offset = cgen.EmitBackEdgeTable(); |
57 | 81 |
58 Handle<Code> code = | 82 Handle<Code> code = |
59 CodeGenerator::MakeCodeEpilogue(&masm, nullptr, info, masm.CodeObject()); | 83 CodeGenerator::MakeCodeEpilogue(&masm, nullptr, info, masm.CodeObject()); |
60 cgen.PopulateDeoptimizationData(code); | 84 cgen.PopulateDeoptimizationData(code); |
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150 !FastCloneShallowObjectStub::IsSupported(expr); | 174 !FastCloneShallowObjectStub::IsSupported(expr); |
151 } | 175 } |
152 | 176 |
153 | 177 |
154 bool FullCodeGenerator::MustCreateArrayLiteralWithRuntime( | 178 bool FullCodeGenerator::MustCreateArrayLiteralWithRuntime( |
155 ArrayLiteral* expr) const { | 179 ArrayLiteral* expr) const { |
156 return expr->depth() > 1 || | 180 return expr->depth() > 1 || |
157 expr->values()->length() > JSArray::kInitialMaxFastElementArray; | 181 expr->values()->length() > JSArray::kInitialMaxFastElementArray; |
158 } | 182 } |
159 | 183 |
160 | 184 void FullCodeGenerator::Initialize(uintptr_t stack_limit) { |
161 void FullCodeGenerator::Initialize() { | 185 InitializeAstVisitor(stack_limit); |
162 InitializeAstVisitor(info_->isolate()); | |
163 masm_->set_emit_debug_code(FLAG_debug_code); | 186 masm_->set_emit_debug_code(FLAG_debug_code); |
164 masm_->set_predictable_code_size(true); | 187 masm_->set_predictable_code_size(true); |
165 } | 188 } |
166 | 189 |
167 void FullCodeGenerator::PrepareForBailout(Expression* node, | 190 void FullCodeGenerator::PrepareForBailout(Expression* node, |
168 BailoutState state) { | 191 BailoutState state) { |
169 PrepareForBailoutForId(node->id(), state); | 192 PrepareForBailoutForId(node->id(), state); |
170 } | 193 } |
171 | 194 |
172 void FullCodeGenerator::CallLoadIC(TypeFeedbackId id) { | 195 void FullCodeGenerator::CallLoadIC(TypeFeedbackId id) { |
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1938 return var->scope()->is_nonlinear() || | 1961 return var->scope()->is_nonlinear() || |
1939 var->initializer_position() >= proxy->position(); | 1962 var->initializer_position() >= proxy->position(); |
1940 } | 1963 } |
1941 | 1964 |
1942 | 1965 |
1943 #undef __ | 1966 #undef __ |
1944 | 1967 |
1945 | 1968 |
1946 } // namespace internal | 1969 } // namespace internal |
1947 } // namespace v8 | 1970 } // namespace v8 |
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