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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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46 // This macro provides a platform independent use of sscanf. The reason for | 46 // This macro provides a platform independent use of sscanf. The reason for |
47 // SScanF not being implemented in a platform independent way through | 47 // SScanF not being implemented in a platform independent way through |
48 // ::v8::internal::OS in the same way as SNPrintF is that the | 48 // ::v8::internal::OS in the same way as SNPrintF is that the |
49 // Windows C Run-Time Library does not provide vsscanf. | 49 // Windows C Run-Time Library does not provide vsscanf. |
50 #define SScanF sscanf // NOLINT | 50 #define SScanF sscanf // NOLINT |
51 | 51 |
52 // The ArmDebugger class is used by the simulator while debugging simulated ARM | 52 // The ArmDebugger class is used by the simulator while debugging simulated ARM |
53 // code. | 53 // code. |
54 class ArmDebugger { | 54 class ArmDebugger { |
55 public: | 55 public: |
56 explicit ArmDebugger(Simulator* sim) : sim_(sim) { }; | 56 explicit ArmDebugger(Simulator* sim) : sim_(sim) { } |
57 ~ArmDebugger(); | 57 ~ArmDebugger(); |
58 | 58 |
59 void Stop(Instruction* instr); | 59 void Stop(Instruction* instr); |
60 void Debug(); | 60 void Debug(); |
61 | 61 |
62 private: | 62 private: |
63 static const Instr kBreakpointInstr = | 63 static const Instr kBreakpointInstr = |
64 (al | (7*B25) | (1*B24) | kBreakpoint); | 64 (al | (7*B25) | (1*B24) | kBreakpoint); |
65 static const Instr kNopInstr = (al | (13*B21)); | 65 static const Instr kNopInstr = (al | (13*B21)); |
66 | 66 |
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3426 uintptr_t address = *stack_slot; | 3426 uintptr_t address = *stack_slot; |
3427 set_register(sp, current_sp + sizeof(uintptr_t)); | 3427 set_register(sp, current_sp + sizeof(uintptr_t)); |
3428 return address; | 3428 return address; |
3429 } | 3429 } |
3430 | 3430 |
3431 } } // namespace v8::internal | 3431 } } // namespace v8::internal |
3432 | 3432 |
3433 #endif // USE_SIMULATOR | 3433 #endif // USE_SIMULATOR |
3434 | 3434 |
3435 #endif // V8_TARGET_ARCH_ARM | 3435 #endif // V8_TARGET_ARCH_ARM |
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