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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 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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36 #include "register-allocator-inl.h" | 36 #include "register-allocator-inl.h" |
37 #include "rewriter.h" | 37 #include "rewriter.h" |
38 #include "runtime.h" | 38 #include "runtime.h" |
39 #include "scopeinfo.h" | 39 #include "scopeinfo.h" |
40 #include "stub-cache.h" | 40 #include "stub-cache.h" |
41 | 41 |
42 namespace v8 { | 42 namespace v8 { |
43 namespace internal { | 43 namespace internal { |
44 | 44 |
45 | 45 |
46 CodeGenerator* CodeGeneratorScope::top_ = NULL; | 46 CodeGeneratorData::CodeGeneratorData() |
| 47 :top_(NULL), |
| 48 compiling_deferred_code_(false), |
| 49 frame_element_constants_list_(NULL), |
| 50 result_constants_list_(NULL) { |
| 51 } |
| 52 |
| 53 CodeGeneratorData::~CodeGeneratorData() { |
| 54 delete result_constants_list_; |
| 55 delete frame_element_constants_list_; |
| 56 } |
| 57 |
| 58 // we cannot allocate ZoneObjectList because it goes to some zone unexpectedly, |
| 59 // and after that to unexpected death so we create ZoneObjectList as member of |
| 60 // malloced class and take the only field |
| 61 struct NonZoneObjectListHolder { |
| 62 ZoneObjectList zone_list; |
| 63 NonZoneObjectListHolder():zone_list(10) { |
| 64 ASSERT(sizeof(NonZoneObjectListHolder) == sizeof(zone_list)); |
| 65 ASSERT(reinterpret_cast<int>(this) == reinterpret_cast<int>(&zone_list)); |
| 66 } |
| 67 }; |
| 68 |
| 69 ZoneObjectList* CodeGeneratorData::result_constants_list() { |
| 70 if (!result_constants_list_) result_constants_list_ = &( |
| 71 (new NonZoneObjectListHolder())->zone_list); |
| 72 return result_constants_list_; |
| 73 } |
| 74 |
| 75 ZoneObjectList* CodeGeneratorData::frame_element_constants_list() { |
| 76 if (!frame_element_constants_list_) frame_element_constants_list_ = |
| 77 &((new NonZoneObjectListHolder())->zone_list); |
| 78 return frame_element_constants_list_; |
| 79 } |
47 | 80 |
48 | 81 |
49 DeferredCode::DeferredCode() | 82 DeferredCode::DeferredCode() |
50 : masm_(CodeGeneratorScope::Current()->masm()), | 83 : masm_(CodeGeneratorScope::Current()->masm()), |
51 statement_position_(masm_->current_statement_position()), | 84 statement_position_(masm_->current_statement_position()), |
52 position_(masm_->current_position()) { | 85 position_(masm_->current_position()) { |
53 ASSERT(statement_position_ != RelocInfo::kNoPosition); | 86 ASSERT(statement_position_ != RelocInfo::kNoPosition); |
54 ASSERT(position_ != RelocInfo::kNoPosition); | 87 ASSERT(position_ != RelocInfo::kNoPosition); |
55 | 88 |
56 CodeGeneratorScope::Current()->AddDeferred(this); | 89 CodeGeneratorScope::Current()->AddDeferred(this); |
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198 if (stream.has_more()) PrintF("%c", stream.GetNext()); | 231 if (stream.has_more()) PrintF("%c", stream.GetNext()); |
199 } | 232 } |
200 PrintF("\n\n"); | 233 PrintF("\n\n"); |
201 } | 234 } |
202 PrintF("--- Code ---\n"); | 235 PrintF("--- Code ---\n"); |
203 code->Disassemble(*fun->name()->ToCString()); | 236 code->Disassemble(*fun->name()->ToCString()); |
204 } | 237 } |
205 #endif // ENABLE_DISASSEMBLER | 238 #endif // ENABLE_DISASSEMBLER |
206 | 239 |
207 if (!code.is_null()) { | 240 if (!code.is_null()) { |
208 Counters::total_compiled_code_size.Increment(code->instruction_size()); | 241 INCREMENT_COUNTER(total_compiled_code_size, code->instruction_size()); |
209 } | 242 } |
210 return code; | 243 return code; |
211 } | 244 } |
212 | 245 |
213 | 246 |
214 // Generate the code. Takes a function literal, generates code for it, assemble | 247 // Generate the code. Takes a function literal, generates code for it, assemble |
215 // all the pieces into a Code object. This function is only to be called by | 248 // all the pieces into a Code object. This function is only to be called by |
216 // the compiler.cc code. | 249 // the compiler.cc code. |
217 Handle<Code> CodeGenerator::MakeCode(FunctionLiteral* fun, | 250 Handle<Code> CodeGenerator::MakeCode(FunctionLiteral* fun, |
218 Handle<Script> script, | 251 Handle<Script> script, |
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477 } | 510 } |
478 } | 511 } |
479 | 512 |
480 | 513 |
481 void ApiGetterEntryStub::SetCustomCache(Code* value) { | 514 void ApiGetterEntryStub::SetCustomCache(Code* value) { |
482 info()->set_load_stub_cache(value); | 515 info()->set_load_stub_cache(value); |
483 } | 516 } |
484 | 517 |
485 | 518 |
486 } } // namespace v8::internal | 519 } } // namespace v8::internal |
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