尝试使用mdbglib中的dbgeng时出现此异常:ASDumpAnalyzer.exe中0x037ba4f4(dbgeng.dll)的第一次机会异常:0xC000001D:非法指令。我想知道如何调试这个?
它正在抛出汇编指令vmcpuid。当我跳过该指令时,代码按预期工作。
堆栈追踪:
dbgeng.dll!X86IsVirtualMachine() + 0x44 bytes
dbgeng.dll!LiveUserDebugServices::GetTargetInfo() + 0x95 bytes
dbgeng.dll!LiveUserTargetInfo::InitFromServices() + 0x95 bytes
dbgeng.dll!LiveUserTargetInfo::WaitForEvent() + 0x4f bytes
dbgeng.dll!WaitForAnyTarget() + 0x5f bytes
dbgeng.dll!RawWaitForEvent() + 0x2ae bytes
dbgeng.dll!DebugClient::WaitForEvent() + 0xb0 bytes
[Managed to Native Transition]
mdbglib.dll!MS::Debuggers::DbgEng::DebugControl::WaitForEvent(unsigned int timeout = 0) Line 107 + 0x38 bytes C++
mdbglib.dll!MS::Debuggers::DbgEng::Debuggee::WaitForEvent(unsigned int timeout = 0) Line 365 C++
ASDumpAnalyzer.exe!ASDumpAnalyzer.Program.WriteMemoryDump() Line 51 + 0xd bytes C#
ASDumpAnalyzer.exe!ASDumpAnalyzer.Program.Main() Line 21 + 0x5 bytes C#
mscoree.dll!__CorExeMain@0() + 0x34 bytes
kernel32.dll!_BaseProcessStart@4() + 0x23 bytes
答案 0 :(得分:1)
你有没有试过打破第一次机会异常?我敢打赌,X86IsVirtualMachine在VMCPUID周围有一个__try
/ __finally
块...因为它不是一个有效的指令,你可能没有在VM下运行。