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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ | 5 #ifndef V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ |
| 6 #define V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ | 6 #define V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ |
| 7 | 7 |
| 8 #include "src/assembler.h" | 8 #include "src/assembler.h" |
| 9 #include "src/globals.h" | 9 #include "src/globals.h" |
| 10 #include "src/mips64/assembler-mips64.h" | 10 #include "src/mips64/assembler-mips64.h" |
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| 306 // CodeGenerator::ProcessDeferred(). | 306 // CodeGenerator::ProcessDeferred(). |
| 307 // Currently the branch delay slot is filled by the MacroAssembler. | 307 // Currently the branch delay slot is filled by the MacroAssembler. |
| 308 // Use rather b(Label) for code generation. | 308 // Use rather b(Label) for code generation. |
| 309 void jmp(Label* L) { | 309 void jmp(Label* L) { |
| 310 Branch(L); | 310 Branch(L); |
| 311 } | 311 } |
| 312 | 312 |
| 313 void Load(Register dst, const MemOperand& src, Representation r); | 313 void Load(Register dst, const MemOperand& src, Representation r); |
| 314 void Store(Register src, const MemOperand& dst, Representation r); | 314 void Store(Register src, const MemOperand& dst, Representation r); |
| 315 | 315 |
| 316 void PushRoot(Heap::RootListIndex index) { |
| 317 LoadRoot(at, index); |
| 318 Push(at); |
| 319 } |
| 320 |
| 321 // Compare the object in a register to a value and jump if they are equal. |
| 322 void JumpIfRoot(Register with, Heap::RootListIndex index, Label* if_equal) { |
| 323 LoadRoot(at, index); |
| 324 Branch(if_equal, eq, with, Operand(at)); |
| 325 } |
| 326 |
| 327 // Compare the object in a register to a value and jump if they are not equal. |
| 328 void JumpIfNotRoot(Register with, Heap::RootListIndex index, |
| 329 Label* if_not_equal) { |
| 330 LoadRoot(at, index); |
| 331 Branch(if_not_equal, ne, with, Operand(at)); |
| 332 } |
| 333 |
| 316 // Load an object from the root table. | 334 // Load an object from the root table. |
| 317 void LoadRoot(Register destination, | 335 void LoadRoot(Register destination, |
| 318 Heap::RootListIndex index); | 336 Heap::RootListIndex index); |
| 319 void LoadRoot(Register destination, | 337 void LoadRoot(Register destination, |
| 320 Heap::RootListIndex index, | 338 Heap::RootListIndex index, |
| 321 Condition cond, Register src1, const Operand& src2); | 339 Condition cond, Register src1, const Operand& src2); |
| 322 | 340 |
| 323 // Store an object to the root table. | 341 // Store an object to the root table. |
| 324 void StoreRoot(Register source, | 342 void StoreRoot(Register source, |
| 325 Heap::RootListIndex index); | 343 Heap::RootListIndex index); |
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| 946 bool argument_count_is_length = false); | 964 bool argument_count_is_length = false); |
| 947 | 965 |
| 948 // Get the actual activation frame alignment for target environment. | 966 // Get the actual activation frame alignment for target environment. |
| 949 static int ActivationFrameAlignment(); | 967 static int ActivationFrameAlignment(); |
| 950 | 968 |
| 951 // Make sure the stack is aligned. Only emits code in debug mode. | 969 // Make sure the stack is aligned. Only emits code in debug mode. |
| 952 void AssertStackIsAligned(); | 970 void AssertStackIsAligned(); |
| 953 | 971 |
| 954 void LoadContext(Register dst, int context_chain_length); | 972 void LoadContext(Register dst, int context_chain_length); |
| 955 | 973 |
| 974 // Load the global proxy from the current context. |
| 975 void LoadGlobalProxy(Register dst); |
| 976 |
| 956 // Conditionally load the cached Array transitioned map of type | 977 // Conditionally load the cached Array transitioned map of type |
| 957 // transitioned_kind from the native context if the map in register | 978 // transitioned_kind from the native context if the map in register |
| 958 // map_in_out is the cached Array map in the native context of | 979 // map_in_out is the cached Array map in the native context of |
| 959 // expected_kind. | 980 // expected_kind. |
| 960 void LoadTransitionedArrayMapConditional( | 981 void LoadTransitionedArrayMapConditional( |
| 961 ElementsKind expected_kind, | 982 ElementsKind expected_kind, |
| 962 ElementsKind transitioned_kind, | 983 ElementsKind transitioned_kind, |
| 963 Register map_in_out, | 984 Register map_in_out, |
| 964 Register scratch, | 985 Register scratch, |
| 965 Label* no_map_match); | 986 Label* no_map_match); |
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| 1550 // Abort execution if argument is a smi, enabled via --debug-code. | 1571 // Abort execution if argument is a smi, enabled via --debug-code. |
| 1551 void AssertNotSmi(Register object); | 1572 void AssertNotSmi(Register object); |
| 1552 void AssertSmi(Register object); | 1573 void AssertSmi(Register object); |
| 1553 | 1574 |
| 1554 // Abort execution if argument is not a string, enabled via --debug-code. | 1575 // Abort execution if argument is not a string, enabled via --debug-code. |
| 1555 void AssertString(Register object); | 1576 void AssertString(Register object); |
| 1556 | 1577 |
| 1557 // Abort execution if argument is not a name, enabled via --debug-code. | 1578 // Abort execution if argument is not a name, enabled via --debug-code. |
| 1558 void AssertName(Register object); | 1579 void AssertName(Register object); |
| 1559 | 1580 |
| 1581 // Abort execution if argument is not a JSFunction, enabled via --debug-code. |
| 1582 void AssertFunction(Register object); |
| 1583 |
| 1560 // Abort execution if argument is not undefined or an AllocationSite, enabled | 1584 // Abort execution if argument is not undefined or an AllocationSite, enabled |
| 1561 // via --debug-code. | 1585 // via --debug-code. |
| 1562 void AssertUndefinedOrAllocationSite(Register object, Register scratch); | 1586 void AssertUndefinedOrAllocationSite(Register object, Register scratch); |
| 1563 | 1587 |
| 1564 // Abort execution if reg is not the root value with the given index, | 1588 // Abort execution if reg is not the root value with the given index, |
| 1565 // enabled via --debug-code. | 1589 // enabled via --debug-code. |
| 1566 void AssertIsRoot(Register reg, Heap::RootListIndex index); | 1590 void AssertIsRoot(Register reg, Heap::RootListIndex index); |
| 1567 | 1591 |
| 1568 // --------------------------------------------------------------------------- | 1592 // --------------------------------------------------------------------------- |
| 1569 // HeapNumber utilities. | 1593 // HeapNumber utilities. |
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| 1815 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x) | 1839 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x) |
| 1816 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) | 1840 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) |
| 1817 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> | 1841 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> |
| 1818 #else | 1842 #else |
| 1819 #define ACCESS_MASM(masm) masm-> | 1843 #define ACCESS_MASM(masm) masm-> |
| 1820 #endif | 1844 #endif |
| 1821 | 1845 |
| 1822 } } // namespace v8::internal | 1846 } } // namespace v8::internal |
| 1823 | 1847 |
| 1824 #endif // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ | 1848 #endif // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ |
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