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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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| 106 Isolate* isolate = info->isolate(); | 106 Isolate* isolate = info->isolate(); |
| 107 | 107 |
| 108 // Allocate and install the code. | 108 // Allocate and install the code. |
| 109 CodeDesc desc; | 109 CodeDesc desc; |
| 110 bool is_crankshafted = | 110 bool is_crankshafted = |
| 111 Code::ExtractKindFromFlags(flags) == Code::OPTIMIZED_FUNCTION || | 111 Code::ExtractKindFromFlags(flags) == Code::OPTIMIZED_FUNCTION || |
| 112 info->IsStub(); | 112 info->IsStub(); |
| 113 masm->GetCode(&desc); | 113 masm->GetCode(&desc); |
| 114 Handle<Code> code = | 114 Handle<Code> code = |
| 115 isolate->factory()->NewCode(desc, flags, masm->CodeObject(), | 115 isolate->factory()->NewCode(desc, flags, masm->CodeObject(), |
| 116 false, is_crankshafted); | 116 false, is_crankshafted, |
| 117 info->prologue_offset()); |
| 117 isolate->counters()->total_compiled_code_size()->Increment( | 118 isolate->counters()->total_compiled_code_size()->Increment( |
| 118 code->instruction_size()); | 119 code->instruction_size()); |
| 119 code->set_prologue_offset(info->prologue_offset()); | 120 isolate->heap()->IncrementCodeGeneratedBytes(is_crankshafted, |
| 121 code->instruction_size()); |
| 120 return code; | 122 return code; |
| 121 } | 123 } |
| 122 | 124 |
| 123 | 125 |
| 124 void CodeGenerator::PrintCode(Handle<Code> code, CompilationInfo* info) { | 126 void CodeGenerator::PrintCode(Handle<Code> code, CompilationInfo* info) { |
| 125 #ifdef ENABLE_DISASSEMBLER | 127 #ifdef ENABLE_DISASSEMBLER |
| 126 AllowDeferredHandleDereference allow_deference_for_print_code; | 128 AllowDeferredHandleDereference allow_deference_for_print_code; |
| 127 bool print_code = info->isolate()->bootstrapper()->IsActive() | 129 bool print_code = info->isolate()->bootstrapper()->IsActive() |
| 128 ? FLAG_print_builtin_code | 130 ? FLAG_print_builtin_code |
| 129 : (FLAG_print_code || | 131 : (FLAG_print_code || |
| 130 (info->IsStub() && FLAG_print_code_stubs) || | 132 (info->IsStub() && FLAG_print_code_stubs) || |
| 131 (info->IsOptimizing() && FLAG_print_opt_code)); | 133 (info->IsOptimizing() && FLAG_print_opt_code)); |
| 132 if (print_code) { | 134 if (print_code) { |
| 133 // Print the source code if available. | 135 // Print the source code if available. |
| 134 FunctionLiteral* function = info->function(); | 136 FunctionLiteral* function = info->function(); |
| 135 if (code->kind() == Code::OPTIMIZED_FUNCTION) { | 137 bool print_source = code->kind() == Code::OPTIMIZED_FUNCTION || |
| 138 code->kind() == Code::FUNCTION; |
| 139 if (print_source) { |
| 136 Handle<Script> script = info->script(); | 140 Handle<Script> script = info->script(); |
| 137 if (!script->IsUndefined() && !script->source()->IsUndefined()) { | 141 if (!script->IsUndefined() && !script->source()->IsUndefined()) { |
| 138 PrintF("--- Raw source ---\n"); | 142 PrintF("--- Raw source ---\n"); |
| 139 ConsStringIteratorOp op; | 143 ConsStringIteratorOp op; |
| 140 StringCharacterStream stream(String::cast(script->source()), | 144 StringCharacterStream stream(String::cast(script->source()), |
| 141 &op, | 145 &op, |
| 142 function->start_position()); | 146 function->start_position()); |
| 143 // fun->end_position() points to the last character in the stream. We | 147 // fun->end_position() points to the last character in the stream. We |
| 144 // need to compensate by adding one to calculate the length. | 148 // need to compensate by adding one to calculate the length. |
| 145 int source_len = | 149 int source_len = |
| 146 function->end_position() - function->start_position() + 1; | 150 function->end_position() - function->start_position() + 1; |
| 147 for (int i = 0; i < source_len; i++) { | 151 for (int i = 0; i < source_len; i++) { |
| 148 if (stream.HasMore()) PrintF("%c", stream.GetNext()); | 152 if (stream.HasMore()) PrintF("%c", stream.GetNext()); |
| 149 } | 153 } |
| 150 PrintF("\n\n"); | 154 PrintF("\n\n"); |
| 151 } | 155 } |
| 152 } | 156 } |
| 153 if (info->IsOptimizing()) { | 157 if (info->IsOptimizing()) { |
| 154 if (FLAG_print_unopt_code) { | 158 if (FLAG_print_unopt_code) { |
| 155 PrintF("--- Unoptimized code ---\n"); | 159 PrintF("--- Unoptimized code ---\n"); |
| 156 info->closure()->shared()->code()->Disassemble( | 160 info->closure()->shared()->code()->Disassemble( |
| 157 *function->debug_name()->ToCString()); | 161 *function->debug_name()->ToCString()); |
| 158 } | 162 } |
| 159 PrintF("--- Optimized code ---\n"); | 163 PrintF("--- Optimized code ---\n"); |
| 160 } else { | 164 } else { |
| 161 PrintF("--- Code ---\n"); | 165 PrintF("--- Code ---\n"); |
| 162 } | 166 } |
| 167 if (print_source) { |
| 168 PrintF("source_position = %d\n", function->start_position()); |
| 169 } |
| 163 if (info->IsStub()) { | 170 if (info->IsStub()) { |
| 164 CodeStub::Major major_key = info->code_stub()->MajorKey(); | 171 CodeStub::Major major_key = info->code_stub()->MajorKey(); |
| 165 code->Disassemble(CodeStub::MajorName(major_key, false)); | 172 code->Disassemble(CodeStub::MajorName(major_key, false)); |
| 166 } else { | 173 } else { |
| 167 code->Disassemble(*function->debug_name()->ToCString()); | 174 code->Disassemble(*function->debug_name()->ToCString()); |
| 168 } | 175 } |
| 176 PrintF("--- End code ---\n"); |
| 169 } | 177 } |
| 170 #endif // ENABLE_DISASSEMBLER | 178 #endif // ENABLE_DISASSEMBLER |
| 171 } | 179 } |
| 172 | 180 |
| 173 | 181 |
| 174 bool CodeGenerator::ShouldGenerateLog(Isolate* isolate, Expression* type) { | 182 bool CodeGenerator::ShouldGenerateLog(Isolate* isolate, Expression* type) { |
| 175 ASSERT(type != NULL); | 183 ASSERT(type != NULL); |
| 176 if (!isolate->logger()->is_logging() && | 184 if (!isolate->logger()->is_logging() && |
| 177 !isolate->cpu_profiler()->is_profiling()) { | 185 !isolate->cpu_profiler()->is_profiling()) { |
| 178 return false; | 186 return false; |
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| 223 ASSERT(result_size_ == 1 || result_size_ == 2); | 231 ASSERT(result_size_ == 1 || result_size_ == 2); |
| 224 #ifdef _WIN64 | 232 #ifdef _WIN64 |
| 225 return result | ((result_size_ == 1) ? 0 : 2); | 233 return result | ((result_size_ == 1) ? 0 : 2); |
| 226 #else | 234 #else |
| 227 return result; | 235 return result; |
| 228 #endif | 236 #endif |
| 229 } | 237 } |
| 230 | 238 |
| 231 | 239 |
| 232 } } // namespace v8::internal | 240 } } // namespace v8::internal |
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