1 //===-- StopInfoMachException.h ---------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_STOPINFOMACHEXCEPTION_H 10 #define LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_STOPINFOMACHEXCEPTION_H 11 12 #include <string> 13 14 #include "lldb/Target/StopInfo.h" 15 16 namespace lldb_private { 17 18 class StopInfoMachException : public StopInfo { 19 /// Determine the pointer-authentication related failure that caused this 20 /// exception. Returns true and fills out the failure description if there 21 /// is auth-related failure, and returns false otherwise. 22 bool DeterminePtrauthFailure(ExecutionContext &exe_ctx); 23 24 public: 25 // Constructors and Destructors 26 StopInfoMachException(Thread &thread, uint32_t exc_type, 27 uint32_t exc_data_count, uint64_t exc_code, 28 uint64_t exc_subcode) 29 : StopInfo(thread, exc_type), m_exc_data_count(exc_data_count), 30 m_exc_code(exc_code), m_exc_subcode(exc_subcode) {} 31 32 ~StopInfoMachException() override = default; 33 34 lldb::StopReason GetStopReason() const override { 35 return lldb::eStopReasonException; 36 } 37 38 const char *GetDescription() override; 39 40 // Since some mach exceptions will be reported as breakpoints, signals, 41 // or trace, we use this static accessor which will translate the mach 42 // exception into the correct StopInfo. 43 static lldb::StopInfoSP CreateStopReasonWithMachException( 44 Thread &thread, uint32_t exc_type, uint32_t exc_data_count, 45 uint64_t exc_code, uint64_t exc_sub_code, uint64_t exc_sub_sub_code, 46 bool pc_already_adjusted = true, bool adjust_pc_if_needed = false); 47 48 protected: 49 uint32_t m_exc_data_count; 50 uint64_t m_exc_code; 51 uint64_t m_exc_subcode; 52 }; 53 54 } // namespace lldb_private 55 56 #endif // LLDB_SOURCE_PLUGINS_PROCESS_UTILITY_STOPINFOMACHEXCEPTION_H 57