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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_ARM_MACRO_ASSEMBLER_ARM_H_ | 5 #ifndef V8_ARM_MACRO_ASSEMBLER_ARM_H_ |
6 #define V8_ARM_MACRO_ASSEMBLER_ARM_H_ | 6 #define V8_ARM_MACRO_ASSEMBLER_ARM_H_ |
7 | 7 |
8 #include "src/assembler.h" | 8 #include "src/assembler.h" |
9 #include "src/bailout-reason.h" | 9 #include "src/bailout-reason.h" |
10 #include "src/frames.h" | 10 #include "src/frames.h" |
11 #include "src/globals.h" | 11 #include "src/globals.h" |
12 | 12 |
13 namespace v8 { | 13 namespace v8 { |
14 namespace internal { | 14 namespace internal { |
15 | 15 |
| 16 // Give alias names to registers for calling conventions. |
| 17 const Register kReturnRegister0 = {kRegister_r0_Code}; |
| 18 const Register kReturnRegister1 = {kRegister_r1_Code}; |
| 19 const Register kJSFunctionRegister = {kRegister_r1_Code}; |
| 20 const Register kContextRegister = {kRegister_r7_Code}; |
| 21 const Register kInterpreterBytecodeOffsetRegister = {kRegister_r5_Code}; |
| 22 const Register kInterpreterBytecodeArrayRegister = {kRegister_r6_Code}; |
| 23 const Register kInterpreterDispatchTableRegister = {kRegister_r8_Code}; |
| 24 const Register kRuntimeCallFunctionRegister = {kRegister_r1_Code}; |
| 25 const Register kRuntimeCallArgCountRegister = {kRegister_r0_Code}; |
| 26 |
16 // ---------------------------------------------------------------------------- | 27 // ---------------------------------------------------------------------------- |
17 // Static helper functions | 28 // Static helper functions |
18 | 29 |
19 // Generate a MemOperand for loading a field from an object. | 30 // Generate a MemOperand for loading a field from an object. |
20 inline MemOperand FieldMemOperand(Register object, int offset) { | 31 inline MemOperand FieldMemOperand(Register object, int offset) { |
21 return MemOperand(object, offset - kHeapObjectTag); | 32 return MemOperand(object, offset - kHeapObjectTag); |
22 } | 33 } |
23 | 34 |
24 | 35 |
25 // Give alias names to registers | 36 // Give alias names to registers |
26 const Register cp = { kRegister_r7_Code }; // JavaScript context pointer. | 37 const Register cp = { kRegister_r7_Code }; // JavaScript context pointer. |
27 const Register pp = { kRegister_r8_Code }; // Constant pool pointer. | 38 const Register pp = { kRegister_r8_Code }; // Constant pool pointer. |
28 const Register kRootRegister = { kRegister_r10_Code }; // Roots array pointer. | 39 const Register kRootRegister = { kRegister_r10_Code }; // Roots array pointer. |
29 const Register kInterpreterBytecodeOffsetRegister = { | |
30 kRegister_r5_Code // Interpreter bytecode offset. | |
31 }; | |
32 const Register kInterpreterBytecodeArrayRegister = { | |
33 kRegister_r6_Code // Interpreter bytecode array pointer. | |
34 }; | |
35 const Register kInterpreterDispatchTableRegister = { | |
36 kRegister_r8_Code // Interpreter dispatch table. | |
37 }; | |
38 | 40 |
39 // Flags used for AllocateHeapNumber | 41 // Flags used for AllocateHeapNumber |
40 enum TaggingMode { | 42 enum TaggingMode { |
41 // Tag the result. | 43 // Tag the result. |
42 TAG_RESULT, | 44 TAG_RESULT, |
43 // Don't tag | 45 // Don't tag |
44 DONT_TAG_RESULT | 46 DONT_TAG_RESULT |
45 }; | 47 }; |
46 | 48 |
47 | 49 |
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1573 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) | 1575 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) |
1574 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> | 1576 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> |
1575 #else | 1577 #else |
1576 #define ACCESS_MASM(masm) masm-> | 1578 #define ACCESS_MASM(masm) masm-> |
1577 #endif | 1579 #endif |
1578 | 1580 |
1579 | 1581 |
1580 } } // namespace v8::internal | 1582 } } // namespace v8::internal |
1581 | 1583 |
1582 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_ | 1584 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_ |
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