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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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| 32 #include "frames.h" | 32 #include "frames.h" |
| 33 #include "v8globals.h" | 33 #include "v8globals.h" |
| 34 | 34 |
| 35 namespace v8 { | 35 namespace v8 { |
| 36 namespace internal { | 36 namespace internal { |
| 37 | 37 |
| 38 // ---------------------------------------------------------------------------- | 38 // ---------------------------------------------------------------------------- |
| 39 // Static helper functions | 39 // Static helper functions |
| 40 | 40 |
| 41 // Generate a MemOperand for loading a field from an object. | 41 // Generate a MemOperand for loading a field from an object. |
| 42 static inline MemOperand FieldMemOperand(Register object, int offset) { | 42 inline MemOperand FieldMemOperand(Register object, int offset) { |
| 43 return MemOperand(object, offset - kHeapObjectTag); | 43 return MemOperand(object, offset - kHeapObjectTag); |
| 44 } | 44 } |
| 45 | 45 |
| 46 | 46 |
| 47 static inline Operand SmiUntagOperand(Register object) { | 47 inline Operand SmiUntagOperand(Register object) { |
| 48 return Operand(object, ASR, kSmiTagSize); | 48 return Operand(object, ASR, kSmiTagSize); |
| 49 } | 49 } |
| 50 | 50 |
| 51 | 51 |
| 52 | 52 |
| 53 // Give alias names to registers | 53 // Give alias names to registers |
| 54 const Register cp = { 8 }; // JavaScript context pointer | 54 const Register cp = { 8 }; // JavaScript context pointer |
| 55 const Register roots = { 10 }; // Roots array pointer. | 55 const Register roots = { 10 }; // Roots array pointer. |
| 56 | 56 |
| 57 // Flags used for the AllocateInNewSpace functions. | 57 // Flags used for the AllocateInNewSpace functions. |
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| 1293 int instructions_; // Number of instructions of the expected patch size. | 1293 int instructions_; // Number of instructions of the expected patch size. |
| 1294 int size_; // Number of bytes of the expected patch size. | 1294 int size_; // Number of bytes of the expected patch size. |
| 1295 MacroAssembler masm_; // Macro assembler used to generate the code. | 1295 MacroAssembler masm_; // Macro assembler used to generate the code. |
| 1296 }; | 1296 }; |
| 1297 #endif // ENABLE_DEBUGGER_SUPPORT | 1297 #endif // ENABLE_DEBUGGER_SUPPORT |
| 1298 | 1298 |
| 1299 | 1299 |
| 1300 // ----------------------------------------------------------------------------- | 1300 // ----------------------------------------------------------------------------- |
| 1301 // Static helper functions. | 1301 // Static helper functions. |
| 1302 | 1302 |
| 1303 static MemOperand ContextOperand(Register context, int index) { | 1303 inline MemOperand ContextOperand(Register context, int index) { |
| 1304 return MemOperand(context, Context::SlotOffset(index)); | 1304 return MemOperand(context, Context::SlotOffset(index)); |
| 1305 } | 1305 } |
| 1306 | 1306 |
| 1307 | 1307 |
| 1308 static inline MemOperand GlobalObjectOperand() { | 1308 inline MemOperand GlobalObjectOperand() { |
| 1309 return ContextOperand(cp, Context::GLOBAL_INDEX); | 1309 return ContextOperand(cp, Context::GLOBAL_INDEX); |
| 1310 } | 1310 } |
| 1311 | 1311 |
| 1312 | 1312 |
| 1313 #ifdef GENERATED_CODE_COVERAGE | 1313 #ifdef GENERATED_CODE_COVERAGE |
| 1314 #define CODE_COVERAGE_STRINGIFY(x) #x | 1314 #define CODE_COVERAGE_STRINGIFY(x) #x |
| 1315 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x) | 1315 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x) |
| 1316 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) | 1316 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) |
| 1317 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> | 1317 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> |
| 1318 #else | 1318 #else |
| 1319 #define ACCESS_MASM(masm) masm-> | 1319 #define ACCESS_MASM(masm) masm-> |
| 1320 #endif | 1320 #endif |
| 1321 | 1321 |
| 1322 | 1322 |
| 1323 } } // namespace v8::internal | 1323 } } // namespace v8::internal |
| 1324 | 1324 |
| 1325 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_ | 1325 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_ |
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