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| 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 #include "vm/globals.h" // NOLINT | 5 #include "vm/globals.h" // NOLINT |
| 6 #if defined(TARGET_ARCH_MIPS) | 6 #if defined(TARGET_ARCH_MIPS) |
| 7 | 7 |
| 8 #include "vm/assembler.h" | 8 #include "vm/assembler.h" |
| 9 #include "vm/longjump.h" | 9 #include "vm/longjump.h" |
| 10 #include "vm/runtime_entry.h" | 10 #include "vm/runtime_entry.h" |
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| 486 | 486 |
| 487 | 487 |
| 488 void Assembler::RestoreCodePointer() { | 488 void Assembler::RestoreCodePointer() { |
| 489 lw(CODE_REG, Address(FP, kPcMarkerSlotFromFp * kWordSize)); | 489 lw(CODE_REG, Address(FP, kPcMarkerSlotFromFp * kWordSize)); |
| 490 CheckCodePointer(); | 490 CheckCodePointer(); |
| 491 } | 491 } |
| 492 | 492 |
| 493 | 493 |
| 494 void Assembler::Branch(const StubEntry& stub_entry, Register pp) { | 494 void Assembler::Branch(const StubEntry& stub_entry, Register pp) { |
| 495 ASSERT(!in_delay_slot_); | 495 ASSERT(!in_delay_slot_); |
| 496 const Code& target_code = Code::Handle(stub_entry.code()); | 496 const Code& target_code = Code::ZoneHandle(stub_entry.code()); |
| 497 const int32_t offset = ObjectPool::element_offset( | 497 const int32_t offset = ObjectPool::element_offset( |
| 498 object_pool_wrapper_.FindObject(target_code, kPatchable)); | 498 object_pool_wrapper_.AddObject(target_code, kPatchable)); |
| 499 LoadWordFromPoolOffset(CODE_REG, offset - kHeapObjectTag, pp); | 499 LoadWordFromPoolOffset(CODE_REG, offset - kHeapObjectTag, pp); |
| 500 lw(TMP, FieldAddress(CODE_REG, Code::entry_point_offset())); | 500 lw(TMP, FieldAddress(CODE_REG, Code::entry_point_offset())); |
| 501 jr(TMP); | 501 jr(TMP); |
| 502 } | 502 } |
| 503 | 503 |
| 504 | 504 |
| 505 void Assembler::BranchLink(const ExternalLabel* label) { | 505 void Assembler::BranchLink(const ExternalLabel* label) { |
| 506 ASSERT(!in_delay_slot_); | 506 ASSERT(!in_delay_slot_); |
| 507 LoadImmediate(T9, label->address()); | 507 LoadImmediate(T9, label->address()); |
| 508 jalr(T9); | 508 jalr(T9); |
| 509 } | 509 } |
| 510 | 510 |
| 511 | 511 |
| 512 void Assembler::BranchLink(const Code& target, Patchability patchable) { | 512 void Assembler::BranchLink(const Code& target, Patchability patchable) { |
| 513 ASSERT(!in_delay_slot_); | 513 ASSERT(!in_delay_slot_); |
| 514 const int32_t offset = ObjectPool::element_offset( | 514 const int32_t offset = ObjectPool::element_offset( |
| 515 object_pool_wrapper_.FindObject(target, patchable)); | 515 object_pool_wrapper_.FindObject(target, patchable)); |
| 516 LoadWordFromPoolOffset(CODE_REG, offset - kHeapObjectTag); | 516 LoadWordFromPoolOffset(CODE_REG, offset - kHeapObjectTag); |
| 517 lw(T9, FieldAddress(CODE_REG, Code::entry_point_offset())); | 517 lw(T9, FieldAddress(CODE_REG, Code::entry_point_offset())); |
| 518 jalr(T9); | 518 jalr(T9); |
| 519 if (patchable == kPatchable) { | 519 if (patchable == kPatchable) { |
| 520 delay_slot_available_ = false; // CodePatcher expects a nop. | 520 delay_slot_available_ = false; // CodePatcher expects a nop. |
| 521 } | 521 } |
| 522 } | 522 } |
| 523 | 523 |
| 524 | 524 |
| 525 void Assembler::BranchLink(const StubEntry& stub_entry, | 525 void Assembler::BranchLink(const StubEntry& stub_entry, |
| 526 Patchability patchable) { | 526 Patchability patchable) { |
| 527 BranchLink(Code::Handle(stub_entry.code()), patchable); | 527 BranchLink(Code::ZoneHandle(stub_entry.code()), patchable); |
| 528 } | 528 } |
| 529 | 529 |
| 530 | 530 |
| 531 void Assembler::BranchLinkPatchable(const StubEntry& stub_entry) { | 531 void Assembler::BranchLinkPatchable(const StubEntry& stub_entry) { |
| 532 BranchLink(Code::Handle(stub_entry.code()), kPatchable); | 532 BranchLink(Code::ZoneHandle(stub_entry.code()), kPatchable); |
| 533 } | 533 } |
| 534 | 534 |
| 535 | 535 |
| 536 void Assembler::BranchLinkToRuntime() { | 536 void Assembler::BranchLinkToRuntime() { |
| 537 lw(T9, Address(THR, Thread::call_to_runtime_entry_point_offset())); | 537 lw(T9, Address(THR, Thread::call_to_runtime_entry_point_offset())); |
| 538 lw(CODE_REG, Address(THR, Thread::call_to_runtime_stub_offset())); | 538 lw(CODE_REG, Address(THR, Thread::call_to_runtime_stub_offset())); |
| 539 jalr(T9); | 539 jalr(T9); |
| 540 } | 540 } |
| 541 | 541 |
| 542 | 542 |
| 543 void Assembler::BranchLinkWithEquivalence(const StubEntry& stub_entry, | 543 void Assembler::BranchLinkWithEquivalence(const StubEntry& stub_entry, |
| 544 const Object& equivalence) { | 544 const Object& equivalence) { |
| 545 const Code& target = Code::Handle(stub_entry.code()); | 545 const Code& target = Code::ZoneHandle(stub_entry.code()); |
| 546 ASSERT(!in_delay_slot_); | 546 ASSERT(!in_delay_slot_); |
| 547 const int32_t offset = ObjectPool::element_offset( | 547 const int32_t offset = ObjectPool::element_offset( |
| 548 object_pool_wrapper_.FindObject(target, equivalence)); | 548 object_pool_wrapper_.FindObject(target, equivalence)); |
| 549 LoadWordFromPoolOffset(CODE_REG, offset - kHeapObjectTag); | 549 LoadWordFromPoolOffset(CODE_REG, offset - kHeapObjectTag); |
| 550 lw(T9, FieldAddress(CODE_REG, Code::entry_point_offset())); | 550 lw(T9, FieldAddress(CODE_REG, Code::entry_point_offset())); |
| 551 jalr(T9); | 551 jalr(T9); |
| 552 delay_slot_available_ = false; // CodePatcher expects a nop. | 552 delay_slot_available_ = false; // CodePatcher expects a nop. |
| 553 } | 553 } |
| 554 | 554 |
| 555 | 555 |
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| 1362 Label stop; | 1362 Label stop; |
| 1363 b(&stop); | 1363 b(&stop); |
| 1364 Emit(reinterpret_cast<int32_t>(message)); | 1364 Emit(reinterpret_cast<int32_t>(message)); |
| 1365 Bind(&stop); | 1365 Bind(&stop); |
| 1366 break_(Instr::kStopMessageCode); | 1366 break_(Instr::kStopMessageCode); |
| 1367 } | 1367 } |
| 1368 | 1368 |
| 1369 } // namespace dart | 1369 } // namespace dart |
| 1370 | 1370 |
| 1371 #endif // defined TARGET_ARCH_MIPS | 1371 #endif // defined TARGET_ARCH_MIPS |
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