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| 1 // Copyright (c) 2011 The Native Client Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 #include "debug_continue_policy.h" | |
| 5 #include "debugger/core/debuggee_process.h" | |
| 6 #include "debugger/core/debuggee_thread.h" | |
| 7 | |
| 8 namespace { | |
| 9 // MS Visual C++ runtime exception. | |
| 10 const int kVS2008_THREAD_INFO = 0x406D1388; | |
| 11 } // namespace | |
| 12 | |
| 13 namespace debug { | |
| 14 DecisionToContinue::DecisionToContinue() | |
| 15 : decision_strength_(kNoDecision), | |
| 16 halt_debuggee_(false), | |
| 17 pass_exception_to_debuggee_(true) { | |
| 18 } | |
| 19 | |
| 20 DecisionToContinue::DecisionToContinue( | |
| 21 DecisionStrength strength, | |
| 22 HaltDebuggee halt_debuggee, | |
| 23 PassExceptionToDebuggee pass_exception_to_debuggee) | |
| 24 : decision_strength_(strength), | |
| 25 halt_debuggee_(kHaltDebuggee == halt_debuggee), | |
| 26 pass_exception_to_debuggee_( | |
| 27 kPassExceptionToDebuggee == pass_exception_to_debuggee) { | |
| 28 } | |
| 29 | |
| 30 bool DecisionToContinue::operator==(const DecisionToContinue& other) const { | |
| 31 return (other.decision_strength_ == decision_strength_) && | |
| 32 (other.halt_debuggee_ == halt_debuggee_) && | |
| 33 (other.pass_exception_to_debuggee_ == pass_exception_to_debuggee_); | |
| 34 } | |
| 35 | |
| 36 bool DecisionToContinue::Combine(const DecisionToContinue& other) { | |
| 37 if (other == *this) | |
| 38 return true; | |
| 39 | |
| 40 if (other.decision_strength_ == decision_strength_) | |
| 41 return false; | |
| 42 | |
| 43 if ((kStrongDecision == other.decision_strength_) || | |
| 44 (kNoDecision == decision_strength_)) | |
| 45 *this = other; | |
| 46 | |
| 47 return true; | |
| 48 } | |
| 49 | |
| 50 bool DecisionToContinue::halt_debuggee() const { | |
| 51 return halt_debuggee_; | |
| 52 } | |
| 53 | |
| 54 bool DecisionToContinue::pass_exception_to_debuggee() const { | |
| 55 return pass_exception_to_debuggee_; | |
| 56 } | |
| 57 | |
| 58 bool DecisionToContinue::IsHaltDecision() const { | |
| 59 return (kNoDecision != decision_strength_) && halt_debuggee_; | |
| 60 } | |
| 61 | |
| 62 void StandardContinuePolicy::MakeContinueDecision( | |
| 63 const DebugEvent& debug_event, | |
| 64 DebuggeeThread* thread, | |
| 65 DecisionToContinue* dtc) { | |
| 66 if (DebugEvent::kNotNaClDebugEvent != debug_event.nacl_debug_event_code()) { | |
| 67 *dtc = DecisionToContinue( | |
| 68 DecisionToContinue::kStrongDecision, | |
| 69 DecisionToContinue::kHaltDebuggee, | |
| 70 DecisionToContinue::kDontPassExceptionToDebuggee); | |
| 71 return; | |
| 72 } | |
| 73 | |
| 74 int exception_code = debug_event.windows_debug_event().u.Exception.ExceptionRe
cord.ExceptionCode; | |
| 75 if (EXCEPTION_DEBUG_EVENT == debug_event.windows_debug_event().dwDebugEventCod
e) { | |
| 76 if (kVS2008_THREAD_INFO == exception_code) { | |
| 77 dtc->Combine( | |
| 78 DecisionToContinue( | |
| 79 DecisionToContinue::kWeakDecision, | |
| 80 DecisionToContinue::kDontHaltDebuggee, | |
| 81 // DecisionToContinue::kDontPassExceptionToDebuggee)); | |
| 82 DecisionToContinue::kPassExceptionToDebuggee)); | |
| 83 } else { | |
| 84 bool is_nexe = false; | |
| 85 if (NULL != thread) | |
| 86 is_nexe = thread->IsNaClAppThread(); | |
| 87 | |
| 88 DecisionToContinue::PassExceptionToDebuggee pass_to_debuggee = | |
| 89 DecisionToContinue::kPassExceptionToDebuggee; | |
| 90 | |
| 91 if (EXCEPTION_BREAKPOINT == exception_code) | |
| 92 pass_to_debuggee = DecisionToContinue::kDontPassExceptionToDebuggee; | |
| 93 | |
| 94 if (is_nexe) { | |
| 95 dtc->Combine(DecisionToContinue( | |
| 96 DecisionToContinue::kWeakDecision, | |
| 97 DecisionToContinue::kHaltDebuggee, | |
| 98 pass_to_debuggee)); | |
| 99 } else { | |
| 100 dtc->Combine( | |
| 101 DecisionToContinue( | |
| 102 DecisionToContinue::kWeakDecision, | |
| 103 DecisionToContinue::kDontHaltDebuggee, | |
| 104 pass_to_debuggee)); | |
| 105 } | |
| 106 } | |
| 107 } | |
| 108 } | |
| 109 } // namespace debug | |
| 110 | |
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Chromium Code Reviews
Issue 10928195:
First round of dead file removal (Closed)
Base URL: https://github.com/samclegg/nativeclient-sdk.git@master