Print callstack in SEH on Windows
This commit is contained in:
amai2012
parent
4f43e4f9aa
commit
e60ee4ad3b
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@ -48,7 +48,9 @@
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#if defined(_MSC_VER)
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#define USE_WINDOWS_SEH
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#include <Windows.h>
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#include <DbgHelp.h>
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#include <excpt.h>
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#include <TCHAR.H>
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#endif
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CppCheckExecutor::CppCheckExecutor()
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@ -188,6 +190,17 @@ int CppCheckExecutor::check(int argc, const char* const argv[])
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}
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}
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/**
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* Simple helper function:
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* \return size of array
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* */
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template<typename T, int size>
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size_t GetArrayLength(const T(&)[size])
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{
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return size;
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}
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#if defined(USE_UNIX_SIGNAL_HANDLING)
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/* (declare this list here, so it may be used in signal handlers in addition to main())
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* A list of signals available in ISO C
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@ -209,16 +222,6 @@ static const Signaltype listofsignals[] = {
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// don't care: SIGTERM
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};
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/**
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* Simple helper function:
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* \return size of array
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* */
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template<typename T, int size>
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size_t GetArrayLength(const T(&)[size])
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{
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return size;
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}
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/*
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* Simple mapping
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*/
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@ -428,6 +431,115 @@ static void CppcheckSignalHandler(int signo, siginfo_t * info, void * /*context*
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#endif
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#ifdef USE_WINDOWS_SEH
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static const ULONG maxnamelength = 512;
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struct IMAGEHLP_SYMBOL64_EXT : public IMAGEHLP_SYMBOL64 {
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TCHAR NameExt[maxnamelength];
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};
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typedef BOOL (WINAPI *fpStackWalk64)(DWORD, HANDLE, HANDLE, LPSTACKFRAME64, PVOID, PREAD_PROCESS_MEMORY_ROUTINE64, PFUNCTION_TABLE_ACCESS_ROUTINE64, PGET_MODULE_BASE_ROUTINE64, PTRANSLATE_ADDRESS_ROUTINE64);
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static fpStackWalk64 pStackWalk64;
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typedef DWORD64 (WINAPI *fpSymGetModuleBase64)(HANDLE, DWORD64);
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static fpSymGetModuleBase64 pSymGetModuleBase64;
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typedef BOOL (WINAPI *fpSymGetSymFromAddr64)(HANDLE, DWORD64, PDWORD64, PIMAGEHLP_SYMBOL64);
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static fpSymGetSymFromAddr64 pSymGetSymFromAddr64;
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typedef BOOL (WINAPI *fpSymGetLineFromAddr64)(HANDLE, DWORD64, PDWORD, PIMAGEHLP_LINE64);
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static fpSymGetLineFromAddr64 pSymGetLineFromAddr64;
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typedef DWORD (WINAPI *fpUnDecorateSymbolName)( const TCHAR*, PTSTR, DWORD, DWORD) ;
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static fpUnDecorateSymbolName pUnDecorateSymbolName;
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typedef PVOID (WINAPI *fpSymFunctionTableAccess64)(HANDLE, DWORD64);
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static fpSymFunctionTableAccess64 pSymFunctionTableAccess64;
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typedef BOOL (WINAPI *fpSymInitialize)(HANDLE, PCSTR, BOOL);
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static fpSymInitialize pSymInitialize;
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// avoid explicit dependency on Dbghelp.dll
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static bool loadDbgHelp()
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{
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HMODULE hLib = ::LoadLibraryW(L"Dbghelp.dll");
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if (!hLib)
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return true;
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pStackWalk64 = (fpStackWalk64) ::GetProcAddress(hLib, "StackWalk64");
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pSymGetModuleBase64 = (fpSymGetModuleBase64) ::GetProcAddress(hLib, "SymGetModuleBase64");
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pSymGetSymFromAddr64 = (fpSymGetSymFromAddr64) ::GetProcAddress(hLib, "SymGetSymFromAddr64");
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pSymGetLineFromAddr64 = (fpSymGetLineFromAddr64)::GetProcAddress(hLib, "SymGetLineFromAddr64");
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pSymFunctionTableAccess64 = (fpSymFunctionTableAccess64)::GetProcAddress(hLib, "SymFunctionTableAccess64");
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pSymInitialize = (fpSymInitialize) ::GetProcAddress(hLib, "SymInitialize");
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pUnDecorateSymbolName = (fpUnDecorateSymbolName)::GetProcAddress(hLib, "UnDecorateSymbolName");
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return true;
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}
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static void PrintCallstack(FILE* f, PEXCEPTION_POINTERS ex)
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{
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if (!loadDbgHelp())
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return;
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const HANDLE hProcess = GetCurrentProcess();
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const HANDLE hThread = GetCurrentThread();
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BOOL result = pSymInitialize(
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hProcess,
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0,
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TRUE
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);
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CONTEXT context = *(ex->ContextRecord);
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STACKFRAME64 stack={0};
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#ifdef _M_IX86
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stack.AddrPC.Offset = context.Eip;
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stack.AddrPC.Mode = AddrModeFlat;
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stack.AddrStack.Offset = context.Esp;
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stack.AddrStack.Mode = AddrModeFlat;
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stack.AddrFrame.Offset = context.Ebp;
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stack.AddrFrame.Mode = AddrModeFlat;
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#else
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stack.AddrPC.Offset = context.Rip;
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stack.AddrPC.Mode = AddrModeFlat;
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stack.AddrStack.Offset = context.Rsp;
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stack.AddrStack.Mode = AddrModeFlat;
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stack.AddrFrame.Offset = context.Rsp;
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stack.AddrFrame.Mode = AddrModeFlat;
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#endif
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IMAGEHLP_SYMBOL64_EXT symbol;
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IMAGEHLP_SYMBOL64* pSymbol = &symbol;
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pSymbol->SizeOfStruct = sizeof( IMAGEHLP_SYMBOL64 );
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pSymbol->MaxNameLength = maxnamelength;
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DWORD64 displacement = 0;
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int beyond_main=-1; // emergency exit, see below
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for( ULONG frame = 0; ; frame++ )
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{
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result = pStackWalk64
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(
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#ifdef _M_IX86
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IMAGE_FILE_MACHINE_I386,
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#else
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IMAGE_FILE_MACHINE_AMD64,
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#endif
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hProcess,
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hThread,
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&stack,
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&context,
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NULL,
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pSymFunctionTableAccess64,
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pSymGetModuleBase64,
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NULL
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);
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result = pSymGetSymFromAddr64( hProcess, ( ULONG64 )stack.AddrPC.Offset, &displacement, pSymbol );
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TCHAR undname[maxnamelength]={0};
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pUnDecorateSymbolName( (const TCHAR*)pSymbol->Name, (PTSTR)undname, GetArrayLength(undname), UNDNAME_COMPLETE );
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if (beyond_main>=0)
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++beyond_main;
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if (_tcscmp(undname, _T("main"))==0)
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beyond_main=0;
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fprintf( f,
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"%lu. 0x%08LX in ",
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frame, (ULONG64)stack.AddrPC.Offset);
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fputs((const char *)undname, f);
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fputs("\n", f);
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if( !result ) // official end...
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break;
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if (0==stack.AddrReturn.Offset || beyond_main>2) // StackWalk64() sometimes doesn't reach any end...
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break;
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}
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}
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/*
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* Any evaluation of the information about the exception needs to be done here!
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*/
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@ -540,6 +652,7 @@ static int filterException(int code, PEXCEPTION_POINTERS ex)
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break;
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}
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fputs("\n", f);
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PrintCallstack(f, ex);
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return EXCEPTION_EXECUTE_HANDLER;
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}
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#endif
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