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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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| 535 inline static void deserialization_set_special_target_at( | 535 inline static void deserialization_set_special_target_at( |
| 536 Address instruction_payload, Code* code, Address target) { | 536 Address instruction_payload, Code* code, Address target) { |
| 537 set_target_address_at( | 537 set_target_address_at( |
| 538 instruction_payload - kInstructionsFor64BitConstant * kInstrSize, | 538 instruction_payload - kInstructionsFor64BitConstant * kInstrSize, |
| 539 code, | 539 code, |
| 540 target); | 540 target); |
| 541 } | 541 } |
| 542 | 542 |
| 543 // This sets the internal reference at the pc. | 543 // This sets the internal reference at the pc. |
| 544 inline static void deserialization_set_target_internal_reference_at( | 544 inline static void deserialization_set_target_internal_reference_at( |
| 545 Address pc, Address target); | 545 Address pc, Address target, |
| 546 RelocInfo::Mode mode = RelocInfo::INTERNAL_REFERENCE); |
| 546 | 547 |
| 547 // Size of an instruction. | 548 // Size of an instruction. |
| 548 static const int kInstrSize = sizeof(Instr); | 549 static const int kInstrSize = sizeof(Instr); |
| 549 | 550 |
| 550 // Difference between address of current opcode and target address offset. | 551 // Difference between address of current opcode and target address offset. |
| 551 static const int kBranchPCOffset = 4; | 552 static const int kBranchPCOffset = 4; |
| 552 | 553 |
| 553 // Here we are patching the address in the LUI/ORI instruction pair. | 554 // Here we are patching the address in the LUI/ORI instruction pair. |
| 554 // These values are used in the serialization process and must be zero for | 555 // These values are used in the serialization process and must be zero for |
| 555 // MIPS platform, as Code, Embedded Object or External-reference pointers | 556 // MIPS platform, as Code, Embedded Object or External-reference pointers |
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| 1165 | 1166 |
| 1166 // Generate the constant pool for the generated code. | 1167 // Generate the constant pool for the generated code. |
| 1167 void PopulateConstantPool(ConstantPoolArray* constant_pool); | 1168 void PopulateConstantPool(ConstantPoolArray* constant_pool); |
| 1168 | 1169 |
| 1169 protected: | 1170 protected: |
| 1170 // Relocation for a type-recording IC has the AST id added to it. This | 1171 // Relocation for a type-recording IC has the AST id added to it. This |
| 1171 // member variable is a way to pass the information from the call site to | 1172 // member variable is a way to pass the information from the call site to |
| 1172 // the relocation info. | 1173 // the relocation info. |
| 1173 TypeFeedbackId recorded_ast_id_; | 1174 TypeFeedbackId recorded_ast_id_; |
| 1174 | 1175 |
| 1176 inline static void set_target_internal_reference_encoded_at(Address pc, |
| 1177 Address target); |
| 1178 |
| 1175 int64_t buffer_space() const { return reloc_info_writer.pos() - pc_; } | 1179 int64_t buffer_space() const { return reloc_info_writer.pos() - pc_; } |
| 1176 | 1180 |
| 1177 // Decode branch instruction at pos and return branch target pos. | 1181 // Decode branch instruction at pos and return branch target pos. |
| 1178 int target_at(int pos, bool is_internal); | 1182 int target_at(int pos, bool is_internal); |
| 1179 | 1183 |
| 1180 // Patch branch instruction at pos to branch to given branch target pos. | 1184 // Patch branch instruction at pos to branch to given branch target pos. |
| 1181 void target_at_put(int pos, int target_pos, bool is_internal); | 1185 void target_at_put(int pos, int target_pos, bool is_internal); |
| 1182 | 1186 |
| 1183 // Say if we need to relocate with this mode. | 1187 // Say if we need to relocate with this mode. |
| 1184 bool MustUseReg(RelocInfo::Mode rmode); | 1188 bool MustUseReg(RelocInfo::Mode rmode); |
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| 1434 class EnsureSpace BASE_EMBEDDED { | 1438 class EnsureSpace BASE_EMBEDDED { |
| 1435 public: | 1439 public: |
| 1436 explicit EnsureSpace(Assembler* assembler) { | 1440 explicit EnsureSpace(Assembler* assembler) { |
| 1437 assembler->CheckBuffer(); | 1441 assembler->CheckBuffer(); |
| 1438 } | 1442 } |
| 1439 }; | 1443 }; |
| 1440 | 1444 |
| 1441 } } // namespace v8::internal | 1445 } } // namespace v8::internal |
| 1442 | 1446 |
| 1443 #endif // V8_ARM_ASSEMBLER_MIPS_H_ | 1447 #endif // V8_ARM_ASSEMBLER_MIPS_H_ |
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