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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 are | 5 // modification, are permitted provided that the following conditions are |
| 6 // met: | 6 // 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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| 2808 CodeDesc desc; // The new buffer. | 2808 CodeDesc desc; // The new buffer. |
| 2809 if (buffer_size_ < 1 * MB) { | 2809 if (buffer_size_ < 1 * MB) { |
| 2810 desc.buffer_size = 2*buffer_size_; | 2810 desc.buffer_size = 2*buffer_size_; |
| 2811 } else { | 2811 } else { |
| 2812 desc.buffer_size = buffer_size_ + 1*MB; | 2812 desc.buffer_size = buffer_size_ + 1*MB; |
| 2813 } | 2813 } |
| 2814 CHECK_GT(desc.buffer_size, 0); // No overflow. | 2814 CHECK_GT(desc.buffer_size, 0); // No overflow. |
| 2815 | 2815 |
| 2816 // Set up new buffer. | 2816 // Set up new buffer. |
| 2817 desc.buffer = NewArray<byte>(desc.buffer_size); | 2817 desc.buffer = NewArray<byte>(desc.buffer_size); |
| 2818 desc.origin = this; |
| 2818 | 2819 |
| 2819 desc.instr_size = pc_offset(); | 2820 desc.instr_size = pc_offset(); |
| 2820 desc.reloc_size = (buffer_ + buffer_size_) - reloc_info_writer.pos(); | 2821 desc.reloc_size = (buffer_ + buffer_size_) - reloc_info_writer.pos(); |
| 2821 | 2822 |
| 2822 // Copy the data. | 2823 // Copy the data. |
| 2823 int pc_delta = desc.buffer - buffer_; | 2824 int pc_delta = desc.buffer - buffer_; |
| 2824 int rc_delta = (desc.buffer + desc.buffer_size) - (buffer_ + buffer_size_); | 2825 int rc_delta = (desc.buffer + desc.buffer_size) - (buffer_ + buffer_size_); |
| 2825 MemMove(desc.buffer, buffer_, desc.instr_size); | 2826 MemMove(desc.buffer, buffer_, desc.instr_size); |
| 2826 MemMove(reloc_info_writer.pos() + rc_delta, reloc_info_writer.pos(), | 2827 MemMove(reloc_info_writer.pos() + rc_delta, reloc_info_writer.pos(), |
| 2827 desc.reloc_size); | 2828 desc.reloc_size); |
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| 2886 void Assembler::emit_code_stub_address(Code* stub) { | 2887 void Assembler::emit_code_stub_address(Code* stub) { |
| 2887 CheckBuffer(); | 2888 CheckBuffer(); |
| 2888 *reinterpret_cast<uint32_t*>(pc_) = | 2889 *reinterpret_cast<uint32_t*>(pc_) = |
| 2889 reinterpret_cast<uint32_t>(stub->instruction_start()); | 2890 reinterpret_cast<uint32_t>(stub->instruction_start()); |
| 2890 pc_ += sizeof(uint32_t); | 2891 pc_ += sizeof(uint32_t); |
| 2891 } | 2892 } |
| 2892 | 2893 |
| 2893 | 2894 |
| 2894 void Assembler::RecordRelocInfo(RelocInfo::Mode rmode, intptr_t data) { | 2895 void Assembler::RecordRelocInfo(RelocInfo::Mode rmode, intptr_t data) { |
| 2895 // We do not try to reuse pool constants. | 2896 // We do not try to reuse pool constants. |
| 2896 RelocInfo rinfo(pc_, rmode, data, NULL); | 2897 RelocInfo rinfo(isolate(), pc_, rmode, data, NULL); |
| 2897 if (rmode >= RelocInfo::COMMENT && | 2898 if (rmode >= RelocInfo::COMMENT && |
| 2898 rmode <= RelocInfo::DEBUG_BREAK_SLOT_AT_CONSTRUCT_CALL) { | 2899 rmode <= RelocInfo::DEBUG_BREAK_SLOT_AT_CONSTRUCT_CALL) { |
| 2899 // Adjust code for new modes. | 2900 // Adjust code for new modes. |
| 2900 DCHECK(RelocInfo::IsDebugBreakSlot(rmode) | 2901 DCHECK(RelocInfo::IsDebugBreakSlot(rmode) |
| 2901 || RelocInfo::IsComment(rmode) | 2902 || RelocInfo::IsComment(rmode) |
| 2902 || RelocInfo::IsPosition(rmode)); | 2903 || RelocInfo::IsPosition(rmode)); |
| 2903 // These modes do not need an entry in the constant pool. | 2904 // These modes do not need an entry in the constant pool. |
| 2904 } | 2905 } |
| 2905 if (!RelocInfo::IsNone(rinfo.rmode())) { | 2906 if (!RelocInfo::IsNone(rinfo.rmode())) { |
| 2906 // Don't record external references unless the heap will be serialized. | 2907 // Don't record external references unless the heap will be serialized. |
| 2907 if (rmode == RelocInfo::EXTERNAL_REFERENCE && | 2908 if (rmode == RelocInfo::EXTERNAL_REFERENCE && |
| 2908 !serializer_enabled() && !emit_debug_code()) { | 2909 !serializer_enabled() && !emit_debug_code()) { |
| 2909 return; | 2910 return; |
| 2910 } | 2911 } |
| 2911 DCHECK(buffer_space() >= kMaxRelocSize); // Too late to grow buffer here. | 2912 DCHECK(buffer_space() >= kMaxRelocSize); // Too late to grow buffer here. |
| 2912 if (rmode == RelocInfo::CODE_TARGET_WITH_ID) { | 2913 if (rmode == RelocInfo::CODE_TARGET_WITH_ID) { |
| 2913 RelocInfo reloc_info_with_ast_id(pc_, | 2914 RelocInfo reloc_info_with_ast_id(isolate(), pc_, rmode, |
| 2914 rmode, | 2915 RecordedAstId().ToInt(), NULL); |
| 2915 RecordedAstId().ToInt(), | |
| 2916 NULL); | |
| 2917 ClearRecordedAstId(); | 2916 ClearRecordedAstId(); |
| 2918 reloc_info_writer.Write(&reloc_info_with_ast_id); | 2917 reloc_info_writer.Write(&reloc_info_with_ast_id); |
| 2919 } else { | 2918 } else { |
| 2920 reloc_info_writer.Write(&rinfo); | 2919 reloc_info_writer.Write(&rinfo); |
| 2921 } | 2920 } |
| 2922 } | 2921 } |
| 2923 } | 2922 } |
| 2924 | 2923 |
| 2925 | 2924 |
| 2926 void Assembler::BlockTrampolinePoolFor(int instructions) { | 2925 void Assembler::BlockTrampolinePoolFor(int instructions) { |
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| 3048 | 3047 |
| 3049 if (icache_flush_mode != SKIP_ICACHE_FLUSH) { | 3048 if (icache_flush_mode != SKIP_ICACHE_FLUSH) { |
| 3050 Assembler::FlushICacheWithoutIsolate(pc, 2 * sizeof(int32_t)); | 3049 Assembler::FlushICacheWithoutIsolate(pc, 2 * sizeof(int32_t)); |
| 3051 } | 3050 } |
| 3052 } | 3051 } |
| 3053 | 3052 |
| 3054 } // namespace internal | 3053 } // namespace internal |
| 3055 } // namespace v8 | 3054 } // namespace v8 |
| 3056 | 3055 |
| 3057 #endif // V8_TARGET_ARCH_MIPS | 3056 #endif // V8_TARGET_ARCH_MIPS |
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