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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 #include <stdarg.h> | 5 #include <stdarg.h> |
| 6 #include <stdlib.h> | 6 #include <stdlib.h> |
| 7 #include <cmath> | 7 #include <cmath> |
| 8 | 8 |
| 9 #if V8_TARGET_ARCH_ARM | 9 #if V8_TARGET_ARCH_ARM |
| 10 | 10 |
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| 108 | 108 |
| 109 #else // ndef GENERATED_CODE_COVERAGE | 109 #else // ndef GENERATED_CODE_COVERAGE |
| 110 | 110 |
| 111 static void InitializeCoverage() { | 111 static void InitializeCoverage() { |
| 112 } | 112 } |
| 113 | 113 |
| 114 | 114 |
| 115 void ArmDebugger::Stop(Instruction* instr) { | 115 void ArmDebugger::Stop(Instruction* instr) { |
| 116 // Get the stop code. | 116 // Get the stop code. |
| 117 uint32_t code = instr->SvcValue() & kStopCodeMask; | 117 uint32_t code = instr->SvcValue() & kStopCodeMask; |
| 118 // Retrieve the encoded address, which comes just after this stop. | |
| 119 char* msg = *reinterpret_cast<char**>(sim_->get_pc() | |
| 120 + Instruction::kInstrSize); | |
| 121 // Update this stop description. | |
| 122 if (sim_->isWatchedStop(code) && !sim_->watched_stops_[code].desc) { | |
| 123 sim_->watched_stops_[code].desc = msg; | |
| 124 } | |
| 125 // Print the stop message and code if it is not the default code. | 118 // Print the stop message and code if it is not the default code. |
| 126 if (code != kMaxStopCode) { | 119 if (code != kMaxStopCode) { |
| 127 PrintF("Simulator hit stop %u: %s\n", code, msg); | 120 PrintF("Simulator hit stop %u\n", code); |
| 128 } else { | 121 } else { |
| 129 PrintF("Simulator hit %s\n", msg); | 122 PrintF("Simulator hit\n"); |
| 130 } | 123 } |
| 131 sim_->set_pc(sim_->get_pc() + 2 * Instruction::kInstrSize); | 124 sim_->set_pc(sim_->get_pc() + 2 * Instruction::kInstrSize); |
| 132 Debug(); | 125 Debug(); |
| 133 } | 126 } |
| 134 #endif | 127 #endif |
| 135 | 128 |
| 136 | 129 |
| 137 int32_t ArmDebugger::GetRegisterValue(int regnum) { | 130 int32_t ArmDebugger::GetRegisterValue(int regnum) { |
| 138 if (regnum == kPCRegister) { | 131 if (regnum == kPCRegister) { |
| 139 return sim_->get_pc(); | 132 return sim_->get_pc(); |
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| 4309 set_register(sp, current_sp + sizeof(uintptr_t)); | 4302 set_register(sp, current_sp + sizeof(uintptr_t)); |
| 4310 return address; | 4303 return address; |
| 4311 } | 4304 } |
| 4312 | 4305 |
| 4313 } // namespace internal | 4306 } // namespace internal |
| 4314 } // namespace v8 | 4307 } // namespace v8 |
| 4315 | 4308 |
| 4316 #endif // USE_SIMULATOR | 4309 #endif // USE_SIMULATOR |
| 4317 | 4310 |
| 4318 #endif // V8_TARGET_ARCH_ARM | 4311 #endif // V8_TARGET_ARCH_ARM |
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