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Side by Side Diff: src/mips/assembler-mips.h

Issue 198163002: MIPS: Reland "Pass a Code object to Assembler::(set_)target_address_at for use by ool constant pool… (Closed) Base URL: https://github.com/v8/v8.git@gbl
Patch Set: Created 6 years, 9 months ago
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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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519 } 519 }
520 uint32_t jump_address(Label* L); 520 uint32_t jump_address(Label* L);
521 521
522 // Puts a labels target address at the given position. 522 // Puts a labels target address at the given position.
523 // The high 8 bits are set to zero. 523 // The high 8 bits are set to zero.
524 void label_at_put(Label* L, int at_offset); 524 void label_at_put(Label* L, int at_offset);
525 525
526 // Read/Modify the code target address in the branch/call instruction at pc. 526 // Read/Modify the code target address in the branch/call instruction at pc.
527 static Address target_address_at(Address pc); 527 static Address target_address_at(Address pc);
528 static void set_target_address_at(Address pc, Address target); 528 static void set_target_address_at(Address pc, Address target);
529 // On MIPS there is no Constant Pool so we skip that parameter.
530 INLINE(static Address target_address_at(Address pc,
531 ConstantPoolArray* constant_pool)) {
532 return target_address_at(pc);
533 }
534 INLINE(static void set_target_address_at(Address pc,
535 ConstantPoolArray* constant_pool,
536 Address target)) {
537 set_target_address_at(pc, target);
538 }
539 INLINE(static Address target_address_at(Address pc, Code* code)) {
540 ConstantPoolArray* constant_pool = code ? code->constant_pool() : NULL;
541 return target_address_at(pc, constant_pool);
542 }
543 INLINE(static void set_target_address_at(Address pc,
544 Code* code,
545 Address target)) {
546 ConstantPoolArray* constant_pool = code ? code->constant_pool() : NULL;
547 set_target_address_at(pc, constant_pool, target);
548 }
529 549
530 // Return the code target address at a call site from the return address 550 // Return the code target address at a call site from the return address
531 // of that call in the instruction stream. 551 // of that call in the instruction stream.
532 inline static Address target_address_from_return_address(Address pc); 552 inline static Address target_address_from_return_address(Address pc);
533 553
534 static void JumpLabelToJumpRegister(Address pc); 554 static void JumpLabelToJumpRegister(Address pc);
535 555
536 static void QuietNaN(HeapObject* nan); 556 static void QuietNaN(HeapObject* nan);
537 557
538 // This sets the branch destination (which gets loaded at the call address). 558 // This sets the branch destination (which gets loaded at the call address).
539 // This is for calls and branches within generated code. The serializer 559 // This is for calls and branches within generated code. The serializer
540 // has already deserialized the lui/ori instructions etc. 560 // has already deserialized the lui/ori instructions etc.
541 inline static void deserialization_set_special_target_at( 561 inline static void deserialization_set_special_target_at(
542 Address instruction_payload, Address target) { 562 Address instruction_payload, Code* code, Address target) {
543 set_target_address_at( 563 set_target_address_at(
544 instruction_payload - kInstructionsFor32BitConstant * kInstrSize, 564 instruction_payload - kInstructionsFor32BitConstant * kInstrSize,
565 code,
545 target); 566 target);
546 } 567 }
547 568
548 // Size of an instruction. 569 // Size of an instruction.
549 static const int kInstrSize = sizeof(Instr); 570 static const int kInstrSize = sizeof(Instr);
550 571
551 // Difference between address of current opcode and target address offset. 572 // Difference between address of current opcode and target address offset.
552 static const int kBranchPCOffset = 4; 573 static const int kBranchPCOffset = 4;
553 574
554 // Here we are patching the address in the LUI/ORI instruction pair. 575 // Here we are patching the address in the LUI/ORI instruction pair.
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1247 class EnsureSpace BASE_EMBEDDED { 1268 class EnsureSpace BASE_EMBEDDED {
1248 public: 1269 public:
1249 explicit EnsureSpace(Assembler* assembler) { 1270 explicit EnsureSpace(Assembler* assembler) {
1250 assembler->CheckBuffer(); 1271 assembler->CheckBuffer();
1251 } 1272 }
1252 }; 1273 };
1253 1274
1254 } } // namespace v8::internal 1275 } } // namespace v8::internal
1255 1276
1256 #endif // V8_ARM_ASSEMBLER_MIPS_H_ 1277 #endif // V8_ARM_ASSEMBLER_MIPS_H_
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