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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. | 1 // Copyright (c) 1994-2006 Sun Microsystems Inc. |
2 // All Rights Reserved. | 2 // All Rights Reserved. |
3 // | 3 // |
4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
5 // modification, are permitted provided that the following conditions | 5 // modification, are permitted provided that the following conditions |
6 // are met: | 6 // are met: |
7 // | 7 // |
8 // - Redistributions of source code must retain the above copyright notice, | 8 // - Redistributions of source code must retain the above copyright notice, |
9 // this list of conditions and the following disclaimer. | 9 // this list of conditions and the following disclaimer. |
10 // | 10 // |
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2021 EMIT(data); | 2021 EMIT(data); |
2022 } | 2022 } |
2023 | 2023 |
2024 | 2024 |
2025 void Assembler::dd(uint32_t data) { | 2025 void Assembler::dd(uint32_t data) { |
2026 EnsureSpace ensure_space(this); | 2026 EnsureSpace ensure_space(this); |
2027 emit(data); | 2027 emit(data); |
2028 } | 2028 } |
2029 | 2029 |
2030 | 2030 |
| 2031 void Assembler::dq(uint64_t data) { |
| 2032 EnsureSpace ensure_space(this); |
| 2033 emit_q(data); |
| 2034 } |
| 2035 |
| 2036 |
2031 void Assembler::dd(Label* label) { | 2037 void Assembler::dd(Label* label) { |
2032 EnsureSpace ensure_space(this); | 2038 EnsureSpace ensure_space(this); |
2033 RecordRelocInfo(RelocInfo::INTERNAL_REFERENCE); | 2039 RecordRelocInfo(RelocInfo::INTERNAL_REFERENCE); |
2034 emit_label(label); | 2040 emit_label(label); |
2035 } | 2041 } |
2036 | 2042 |
2037 | 2043 |
2038 void Assembler::RecordRelocInfo(RelocInfo::Mode rmode, intptr_t data) { | 2044 void Assembler::RecordRelocInfo(RelocInfo::Mode rmode, intptr_t data) { |
2039 DCHECK(!RelocInfo::IsNone(rmode)); | 2045 DCHECK(!RelocInfo::IsNone(rmode)); |
2040 // Don't record external references unless the heap will be serialized. | 2046 // Don't record external references unless the heap will be serialized. |
2041 if (rmode == RelocInfo::EXTERNAL_REFERENCE && | 2047 if (rmode == RelocInfo::EXTERNAL_REFERENCE && |
2042 !serializer_enabled() && !emit_debug_code()) { | 2048 !serializer_enabled() && !emit_debug_code()) { |
2043 return; | 2049 return; |
2044 } | 2050 } |
2045 RelocInfo rinfo(pc_, rmode, data, NULL); | 2051 RelocInfo rinfo(pc_, rmode, data, NULL); |
2046 reloc_info_writer.Write(&rinfo); | 2052 reloc_info_writer.Write(&rinfo); |
2047 } | 2053 } |
2048 | 2054 |
2049 | 2055 |
2050 Handle<ConstantPoolArray> Assembler::NewConstantPool(Isolate* isolate) { | |
2051 // No out-of-line constant pool support. | |
2052 DCHECK(!FLAG_enable_ool_constant_pool); | |
2053 return isolate->factory()->empty_constant_pool_array(); | |
2054 } | |
2055 | |
2056 | |
2057 void Assembler::PopulateConstantPool(ConstantPoolArray* constant_pool) { | |
2058 // No out-of-line constant pool support. | |
2059 DCHECK(!FLAG_enable_ool_constant_pool); | |
2060 return; | |
2061 } | |
2062 | |
2063 | |
2064 #ifdef GENERATED_CODE_COVERAGE | 2056 #ifdef GENERATED_CODE_COVERAGE |
2065 static FILE* coverage_log = NULL; | 2057 static FILE* coverage_log = NULL; |
2066 | 2058 |
2067 | 2059 |
2068 static void InitCoverageLog() { | 2060 static void InitCoverageLog() { |
2069 char* file_name = getenv("V8_GENERATED_CODE_COVERAGE_LOG"); | 2061 char* file_name = getenv("V8_GENERATED_CODE_COVERAGE_LOG"); |
2070 if (file_name != NULL) { | 2062 if (file_name != NULL) { |
2071 coverage_log = fopen(file_name, "aw+"); | 2063 coverage_log = fopen(file_name, "aw+"); |
2072 } | 2064 } |
2073 } | 2065 } |
2074 | 2066 |
2075 | 2067 |
2076 void LogGeneratedCodeCoverage(const char* file_line) { | 2068 void LogGeneratedCodeCoverage(const char* file_line) { |
2077 const char* return_address = (&file_line)[-1]; | 2069 const char* return_address = (&file_line)[-1]; |
2078 char* push_insn = const_cast<char*>(return_address - 12); | 2070 char* push_insn = const_cast<char*>(return_address - 12); |
2079 push_insn[0] = 0xeb; // Relative branch insn. | 2071 push_insn[0] = 0xeb; // Relative branch insn. |
2080 push_insn[1] = 13; // Skip over coverage insns. | 2072 push_insn[1] = 13; // Skip over coverage insns. |
2081 if (coverage_log != NULL) { | 2073 if (coverage_log != NULL) { |
2082 fprintf(coverage_log, "%s\n", file_line); | 2074 fprintf(coverage_log, "%s\n", file_line); |
2083 fflush(coverage_log); | 2075 fflush(coverage_log); |
2084 } | 2076 } |
2085 } | 2077 } |
2086 | 2078 |
2087 #endif | 2079 #endif |
2088 | 2080 |
2089 } } // namespace v8::internal | 2081 } } // namespace v8::internal |
2090 | 2082 |
2091 #endif // V8_TARGET_ARCH_X87 | 2083 #endif // V8_TARGET_ARCH_X87 |
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