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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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620 | 620 |
621 // Push multiple registers on the stack. | 621 // Push multiple registers on the stack. |
622 // Registers are saved in numerical order, with higher numbered registers | 622 // Registers are saved in numerical order, with higher numbered registers |
623 // saved in higher memory addresses. | 623 // saved in higher memory addresses. |
624 void MultiPush(RegList regs); | 624 void MultiPush(RegList regs); |
625 void MultiPushReversed(RegList regs); | 625 void MultiPushReversed(RegList regs); |
626 | 626 |
627 void MultiPushFPU(RegList regs); | 627 void MultiPushFPU(RegList regs); |
628 void MultiPushReversedFPU(RegList regs); | 628 void MultiPushReversedFPU(RegList regs); |
629 | 629 |
| 630 // Lower case push() for compatibility with arch-independent code. |
630 void push(Register src) { | 631 void push(Register src) { |
631 Addu(sp, sp, Operand(-kPointerSize)); | 632 Addu(sp, sp, Operand(-kPointerSize)); |
632 sw(src, MemOperand(sp, 0)); | 633 sw(src, MemOperand(sp, 0)); |
633 } | 634 } |
634 void Push(Register src) { push(src); } | |
635 | 635 |
636 // Push a handle. | 636 // Push a handle. |
637 void Push(Handle<Object> handle); | 637 void Push(Handle<Object> handle); |
638 void Push(Smi* smi) { Push(Handle<Smi>(smi, isolate())); } | 638 void Push(Smi* smi) { Push(Handle<Smi>(smi, isolate())); } |
639 | 639 |
640 // Push two registers. Pushes leftmost register first (to highest address). | 640 // Push two registers. Pushes leftmost register first (to highest address). |
641 void Push(Register src1, Register src2) { | 641 void Push(Register src1, Register src2) { |
642 Subu(sp, sp, Operand(2 * kPointerSize)); | 642 Subu(sp, sp, Operand(2 * kPointerSize)); |
643 sw(src1, MemOperand(sp, 1 * kPointerSize)); | 643 sw(src1, MemOperand(sp, 1 * kPointerSize)); |
644 sw(src2, MemOperand(sp, 0 * kPointerSize)); | 644 sw(src2, MemOperand(sp, 0 * kPointerSize)); |
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669 } | 669 } |
670 | 670 |
671 // Pops multiple values from the stack and load them in the | 671 // Pops multiple values from the stack and load them in the |
672 // registers specified in regs. Pop order is the opposite as in MultiPush. | 672 // registers specified in regs. Pop order is the opposite as in MultiPush. |
673 void MultiPop(RegList regs); | 673 void MultiPop(RegList regs); |
674 void MultiPopReversed(RegList regs); | 674 void MultiPopReversed(RegList regs); |
675 | 675 |
676 void MultiPopFPU(RegList regs); | 676 void MultiPopFPU(RegList regs); |
677 void MultiPopReversedFPU(RegList regs); | 677 void MultiPopReversedFPU(RegList regs); |
678 | 678 |
| 679 // Lower case pop() for compatibility with arch-independent code. |
679 void pop(Register dst) { | 680 void pop(Register dst) { |
680 lw(dst, MemOperand(sp, 0)); | 681 lw(dst, MemOperand(sp, 0)); |
681 Addu(sp, sp, Operand(kPointerSize)); | 682 Addu(sp, sp, Operand(kPointerSize)); |
682 } | 683 } |
683 void Pop(Register dst) { pop(dst); } | |
684 | 684 |
685 // Pop two registers. Pops rightmost register first (from lower address). | 685 // Pop two registers. Pops rightmost register first (from lower address). |
686 void Pop(Register src1, Register src2) { | 686 void Pop(Register src1, Register src2) { |
687 ASSERT(!src1.is(src2)); | 687 ASSERT(!src1.is(src2)); |
688 lw(src2, MemOperand(sp, 0 * kPointerSize)); | 688 lw(src2, MemOperand(sp, 0 * kPointerSize)); |
689 lw(src1, MemOperand(sp, 1 * kPointerSize)); | 689 lw(src1, MemOperand(sp, 1 * kPointerSize)); |
690 Addu(sp, sp, 2 * kPointerSize); | 690 Addu(sp, sp, 2 * kPointerSize); |
691 } | 691 } |
692 | 692 |
693 // Pop three registers. Pops rightmost register first (from lower address). | 693 // Pop three registers. Pops rightmost register first (from lower address). |
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1279 Register scratch1, Register scratch2); | 1279 Register scratch1, Register scratch2); |
1280 void DecrementCounter(StatsCounter* counter, int value, | 1280 void DecrementCounter(StatsCounter* counter, int value, |
1281 Register scratch1, Register scratch2); | 1281 Register scratch1, Register scratch2); |
1282 | 1282 |
1283 | 1283 |
1284 // ------------------------------------------------------------------------- | 1284 // ------------------------------------------------------------------------- |
1285 // Debugging. | 1285 // Debugging. |
1286 | 1286 |
1287 // Calls Abort(msg) if the condition cc is not satisfied. | 1287 // Calls Abort(msg) if the condition cc is not satisfied. |
1288 // Use --debug_code to enable. | 1288 // Use --debug_code to enable. |
1289 void Assert(Condition cc, BailoutReason reason, Register rs, Operand rt); | 1289 void Assert(Condition cc, const char* msg, Register rs, Operand rt); |
1290 void AssertRegisterIsRoot(Register reg, Heap::RootListIndex index); | 1290 void AssertRegisterIsRoot(Register reg, Heap::RootListIndex index); |
1291 void AssertFastElements(Register elements); | 1291 void AssertFastElements(Register elements); |
1292 | 1292 |
1293 // Like Assert(), but always enabled. | 1293 // Like Assert(), but always enabled. |
1294 void Check(Condition cc, BailoutReason reason, Register rs, Operand rt); | 1294 void Check(Condition cc, const char* msg, Register rs, Operand rt); |
1295 | 1295 |
1296 // Print a message to stdout and abort execution. | 1296 // Print a message to stdout and abort execution. |
1297 void Abort(BailoutReason msg); | 1297 void Abort(const char* msg); |
1298 | 1298 |
1299 // Verify restrictions about code generated in stubs. | 1299 // Verify restrictions about code generated in stubs. |
1300 void set_generating_stub(bool value) { generating_stub_ = value; } | 1300 void set_generating_stub(bool value) { generating_stub_ = value; } |
1301 bool generating_stub() { return generating_stub_; } | 1301 bool generating_stub() { return generating_stub_; } |
1302 void set_allow_stub_calls(bool value) { allow_stub_calls_ = value; } | 1302 void set_allow_stub_calls(bool value) { allow_stub_calls_ = value; } |
1303 bool allow_stub_calls() { return allow_stub_calls_; } | 1303 bool allow_stub_calls() { return allow_stub_calls_; } |
1304 void set_has_frame(bool value) { has_frame_ = value; } | 1304 void set_has_frame(bool value) { has_frame_ = value; } |
1305 bool has_frame() { return has_frame_; } | 1305 bool has_frame() { return has_frame_; } |
1306 inline bool AllowThisStubCall(CodeStub* stub); | 1306 inline bool AllowThisStubCall(CodeStub* stub); |
1307 | 1307 |
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1371 // Abort execution if argument is not a string, enabled via --debug-code. | 1371 // Abort execution if argument is not a string, enabled via --debug-code. |
1372 void AssertString(Register object); | 1372 void AssertString(Register object); |
1373 | 1373 |
1374 // Abort execution if argument is not a name, enabled via --debug-code. | 1374 // Abort execution if argument is not a name, enabled via --debug-code. |
1375 void AssertName(Register object); | 1375 void AssertName(Register object); |
1376 | 1376 |
1377 // Abort execution if argument is not the root value with the given index, | 1377 // Abort execution if argument is not the root value with the given index, |
1378 // enabled via --debug-code. | 1378 // enabled via --debug-code. |
1379 void AssertRootValue(Register src, | 1379 void AssertRootValue(Register src, |
1380 Heap::RootListIndex root_value_index, | 1380 Heap::RootListIndex root_value_index, |
1381 BailoutReason reason); | 1381 const char* message); |
1382 | 1382 |
1383 // --------------------------------------------------------------------------- | 1383 // --------------------------------------------------------------------------- |
1384 // HeapNumber utilities. | 1384 // HeapNumber utilities. |
1385 | 1385 |
1386 void JumpIfNotHeapNumber(Register object, | 1386 void JumpIfNotHeapNumber(Register object, |
1387 Register heap_number_map, | 1387 Register heap_number_map, |
1388 Register scratch, | 1388 Register scratch, |
1389 Label* on_not_heap_number); | 1389 Label* on_not_heap_number); |
1390 | 1390 |
1391 // ------------------------------------------------------------------------- | 1391 // ------------------------------------------------------------------------- |
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1587 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x) | 1587 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x) |
1588 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) | 1588 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) |
1589 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> | 1589 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> |
1590 #else | 1590 #else |
1591 #define ACCESS_MASM(masm) masm-> | 1591 #define ACCESS_MASM(masm) masm-> |
1592 #endif | 1592 #endif |
1593 | 1593 |
1594 } } // namespace v8::internal | 1594 } } // namespace v8::internal |
1595 | 1595 |
1596 #endif // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ | 1596 #endif // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ |
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