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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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841 // Note: The same Label can be used for forward and backward branches | 841 // Note: The same Label can be used for forward and backward branches |
842 // but it may be bound only once. | 842 // but it may be bound only once. |
843 | 843 |
844 void bind(Label* L); // binds an unbound label L to the current code position | 844 void bind(Label* L); // binds an unbound label L to the current code position |
845 void bind(NearLabel* L); | 845 void bind(NearLabel* L); |
846 | 846 |
847 // Calls | 847 // Calls |
848 void call(Label* L); | 848 void call(Label* L); |
849 void call(byte* entry, RelocInfo::Mode rmode); | 849 void call(byte* entry, RelocInfo::Mode rmode); |
850 void call(const Operand& adr); | 850 void call(const Operand& adr); |
851 void call(Handle<Code> code, | 851 void call(Handle<Code> code, RelocInfo::Mode rmode); |
852 RelocInfo::Mode rmode, | |
853 unsigned ast_id = kNoASTId); | |
854 | 852 |
855 // Jumps | 853 // Jumps |
856 void jmp(Label* L); // unconditional jump to L | 854 void jmp(Label* L); // unconditional jump to L |
857 void jmp(byte* entry, RelocInfo::Mode rmode); | 855 void jmp(byte* entry, RelocInfo::Mode rmode); |
858 void jmp(const Operand& adr); | 856 void jmp(const Operand& adr); |
859 void jmp(Handle<Code> code, RelocInfo::Mode rmode); | 857 void jmp(Handle<Code> code, RelocInfo::Mode rmode); |
860 | 858 |
861 // Short jump | 859 // Short jump |
862 void jmp(NearLabel* L); | 860 void jmp(NearLabel* L); |
863 | 861 |
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1065 return *reinterpret_cast<uint32_t*>(addr_at(pos)); | 1063 return *reinterpret_cast<uint32_t*>(addr_at(pos)); |
1066 } | 1064 } |
1067 void long_at_put(int pos, uint32_t x) { | 1065 void long_at_put(int pos, uint32_t x) { |
1068 *reinterpret_cast<uint32_t*>(addr_at(pos)) = x; | 1066 *reinterpret_cast<uint32_t*>(addr_at(pos)) = x; |
1069 } | 1067 } |
1070 | 1068 |
1071 // code emission | 1069 // code emission |
1072 void GrowBuffer(); | 1070 void GrowBuffer(); |
1073 inline void emit(uint32_t x); | 1071 inline void emit(uint32_t x); |
1074 inline void emit(Handle<Object> handle); | 1072 inline void emit(Handle<Object> handle); |
1075 inline void emit(uint32_t x, | 1073 inline void emit(uint32_t x, RelocInfo::Mode rmode); |
1076 RelocInfo::Mode rmode, | |
1077 unsigned ast_id = kNoASTId); | |
1078 inline void emit(const Immediate& x); | 1074 inline void emit(const Immediate& x); |
1079 inline void emit_w(const Immediate& x); | 1075 inline void emit_w(const Immediate& x); |
1080 | 1076 |
1081 // Emit the code-object-relative offset of the label's position | 1077 // Emit the code-object-relative offset of the label's position |
1082 inline void emit_code_relative_offset(Label* label); | 1078 inline void emit_code_relative_offset(Label* label); |
1083 | 1079 |
1084 // instruction generation | 1080 // instruction generation |
1085 void emit_arith_b(int op1, int op2, Register dst, int imm8); | 1081 void emit_arith_b(int op1, int op2, Register dst, int imm8); |
1086 | 1082 |
1087 // Emit a basic arithmetic instruction (i.e. first byte of the family is 0x81) | 1083 // Emit a basic arithmetic instruction (i.e. first byte of the family is 0x81) |
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1154 private: | 1150 private: |
1155 Assembler* assembler_; | 1151 Assembler* assembler_; |
1156 #ifdef DEBUG | 1152 #ifdef DEBUG |
1157 int space_before_; | 1153 int space_before_; |
1158 #endif | 1154 #endif |
1159 }; | 1155 }; |
1160 | 1156 |
1161 } } // namespace v8::internal | 1157 } } // namespace v8::internal |
1162 | 1158 |
1163 #endif // V8_IA32_ASSEMBLER_IA32_H_ | 1159 #endif // V8_IA32_ASSEMBLER_IA32_H_ |
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