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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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826 // Debugging. | 826 // Debugging. |
827 | 827 |
828 // Mark address of the ExitJSFrame code. | 828 // Mark address of the ExitJSFrame code. |
829 void RecordJSReturn(); | 829 void RecordJSReturn(); |
830 | 830 |
831 // Mark address of a debug break slot. | 831 // Mark address of a debug break slot. |
832 void RecordDebugBreakSlot(); | 832 void RecordDebugBreakSlot(); |
833 | 833 |
834 // Record the AST id of the CallIC being compiled, so that it can be placed | 834 // Record the AST id of the CallIC being compiled, so that it can be placed |
835 // in the relocation information. | 835 // in the relocation information. |
836 void RecordAstId(unsigned ast_id) { ast_id_for_reloc_info_ = ast_id; } | 836 void SetRecordedAstId(unsigned ast_id) { |
| 837 ASSERT(recorded_ast_id_ == kNoASTId); |
| 838 recorded_ast_id_ = ast_id; |
| 839 } |
| 840 |
| 841 unsigned RecordedAstId() { |
| 842 ASSERT(recorded_ast_id_ != kNoASTId); |
| 843 return recorded_ast_id_; |
| 844 } |
| 845 |
| 846 void ClearRecordedAstId() { recorded_ast_id_ = kNoASTId; } |
837 | 847 |
838 // Record a comment relocation entry that can be used by a disassembler. | 848 // Record a comment relocation entry that can be used by a disassembler. |
839 // Use --code-comments to enable. | 849 // Use --code-comments to enable. |
840 void RecordComment(const char* msg); | 850 void RecordComment(const char* msg); |
841 | 851 |
842 static int RelocateInternalReference(byte* pc, intptr_t pc_delta); | 852 static int RelocateInternalReference(byte* pc, intptr_t pc_delta); |
843 | 853 |
844 // Writes a single byte or word of data in the code stream. Used for | 854 // Writes a single byte or word of data in the code stream. Used for |
845 // inline tables, e.g., jump-tables. | 855 // inline tables, e.g., jump-tables. |
846 void db(uint8_t data); | 856 void db(uint8_t data); |
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919 static Instr SetAddImmediateOffset(Instr instr, int16_t offset); | 929 static Instr SetAddImmediateOffset(Instr instr, int16_t offset); |
920 | 930 |
921 static bool IsAndImmediate(Instr instr); | 931 static bool IsAndImmediate(Instr instr); |
922 | 932 |
923 void CheckTrampolinePool(); | 933 void CheckTrampolinePool(); |
924 | 934 |
925 protected: | 935 protected: |
926 // Relocation for a type-recording IC has the AST id added to it. This | 936 // Relocation for a type-recording IC has the AST id added to it. This |
927 // member variable is a way to pass the information from the call site to | 937 // member variable is a way to pass the information from the call site to |
928 // the relocation info. | 938 // the relocation info. |
929 unsigned ast_id_for_reloc_info_; | 939 unsigned recorded_ast_id_; |
930 | 940 |
931 bool emit_debug_code() const { return emit_debug_code_; } | 941 bool emit_debug_code() const { return emit_debug_code_; } |
932 | 942 |
933 int32_t buffer_space() const { return reloc_info_writer.pos() - pc_; } | 943 int32_t buffer_space() const { return reloc_info_writer.pos() - pc_; } |
934 | 944 |
935 // Decode branch instruction at pos and return branch target pos. | 945 // Decode branch instruction at pos and return branch target pos. |
936 int target_at(int32_t pos); | 946 int target_at(int32_t pos); |
937 | 947 |
938 // Patch branch instruction at pos to branch to given branch target pos. | 948 // Patch branch instruction at pos to branch to given branch target pos. |
939 void target_at_put(int32_t pos, int32_t target_pos); | 949 void target_at_put(int32_t pos, int32_t target_pos); |
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1186 class EnsureSpace BASE_EMBEDDED { | 1196 class EnsureSpace BASE_EMBEDDED { |
1187 public: | 1197 public: |
1188 explicit EnsureSpace(Assembler* assembler) { | 1198 explicit EnsureSpace(Assembler* assembler) { |
1189 assembler->CheckBuffer(); | 1199 assembler->CheckBuffer(); |
1190 } | 1200 } |
1191 }; | 1201 }; |
1192 | 1202 |
1193 } } // namespace v8::internal | 1203 } } // namespace v8::internal |
1194 | 1204 |
1195 #endif // V8_ARM_ASSEMBLER_MIPS_H_ | 1205 #endif // V8_ARM_ASSEMBLER_MIPS_H_ |
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