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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 // 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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| 109 | 109 |
| 110 // Copy the string before recording it in the assembler to avoid | 110 // Copy the string before recording it in the assembler to avoid |
| 111 // issues when the stack allocated buffer goes out of scope. | 111 // issues when the stack allocated buffer goes out of scope. |
| 112 size_t length = builder.position(); | 112 size_t length = builder.position(); |
| 113 Vector<char> copy = Vector<char>::New(length + 1); | 113 Vector<char> copy = Vector<char>::New(length + 1); |
| 114 memcpy(copy.start(), builder.Finalize(), copy.length()); | 114 memcpy(copy.start(), builder.Finalize(), copy.length()); |
| 115 masm()->RecordComment(copy.start()); | 115 masm()->RecordComment(copy.start()); |
| 116 } | 116 } |
| 117 | 117 |
| 118 | 118 |
| 119 bool LCodeGen::GenerateRelocPadding() { | |
| 120 int reloc_size = masm()->relocation_writer_size(); | |
| 121 while (reloc_size < deoptimization_reloc_size.min_size) { | |
| 122 __ RecordComment(RelocInfo::kFillerCommentString, true); | |
| 123 reloc_size += RelocInfo::kMinRelocCommentSize; | |
| 124 } | |
| 125 return !is_aborted(); | |
| 126 } | |
| 127 | |
| 128 | |
| 129 bool LCodeGen::GeneratePrologue() { | 119 bool LCodeGen::GeneratePrologue() { |
| 130 ASSERT(is_generating()); | 120 ASSERT(is_generating()); |
| 131 | 121 |
| 132 #ifdef DEBUG | 122 #ifdef DEBUG |
| 133 if (strlen(FLAG_stop_at) > 0 && | 123 if (strlen(FLAG_stop_at) > 0 && |
| 134 info_->function()->name()->IsEqualTo(CStrVector(FLAG_stop_at))) { | 124 info_->function()->name()->IsEqualTo(CStrVector(FLAG_stop_at))) { |
| 135 __ int3(); | 125 __ int3(); |
| 136 } | 126 } |
| 137 #endif | 127 #endif |
| 138 | 128 |
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| 4113 ASSERT(osr_pc_offset_ == -1); | 4103 ASSERT(osr_pc_offset_ == -1); |
| 4114 osr_pc_offset_ = masm()->pc_offset(); | 4104 osr_pc_offset_ = masm()->pc_offset(); |
| 4115 } | 4105 } |
| 4116 | 4106 |
| 4117 | 4107 |
| 4118 #undef __ | 4108 #undef __ |
| 4119 | 4109 |
| 4120 } } // namespace v8::internal | 4110 } } // namespace v8::internal |
| 4121 | 4111 |
| 4122 #endif // V8_TARGET_ARCH_IA32 | 4112 #endif // V8_TARGET_ARCH_IA32 |
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