mirror of
https://github.com/libretro/ppsspp.git
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447 lines
13 KiB
C++
447 lines
13 KiB
C++
// --------------------------------------------------------------------------------------
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//
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// Written by Zoltan Csizmadia, zoltan_csizmadia@yahoo.com
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// For companies(Austin,TX): If you would like to get my resume, send an email.
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//
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// The source is free, but if you want to use it, mention my name and e-mail address
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//
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// History:
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// 1.0 Initial version Zoltan Csizmadia
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// 1.1 WhineCube version Masken
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// 1.2 Dolphin version Masken
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//
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// --------------------------------------------------------------------------------------
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#if defined(WIN32)
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#include <windows.h>
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#include <stdio.h>
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#include "ExtendedTrace.h"
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using namespace std;
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#include <tchar.h>
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#include <ImageHlp.h>
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#define BUFFERSIZE 0x200
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#pragma warning(disable:4996)
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// Unicode safe char* -> TCHAR* conversion
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void PCSTR2LPTSTR( PCSTR lpszIn, LPTSTR lpszOut )
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{
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#if defined(UNICODE)||defined(_UNICODE)
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ULONG index = 0;
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PCSTR lpAct = lpszIn;
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for( ; ; lpAct++ )
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{
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lpszOut[index++] = (TCHAR)(*lpAct);
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if ( *lpAct == 0 )
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break;
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}
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#else
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// This is trivial :)
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strcpy( lpszOut, lpszIn );
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#endif
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}
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// Let's figure out the path for the symbol files
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// Search path= ".;%_NT_SYMBOL_PATH%;%_NT_ALTERNATE_SYMBOL_PATH%;%SYSTEMROOT%;%SYSTEMROOT%\System32;" + lpszIniPath
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// Note: There is no size check for lpszSymbolPath!
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static void InitSymbolPath( PSTR lpszSymbolPath, PCSTR lpszIniPath )
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{
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CHAR lpszPath[BUFFERSIZE];
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// Creating the default path
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// ".;%_NT_SYMBOL_PATH%;%_NT_ALTERNATE_SYMBOL_PATH%;%SYSTEMROOT%;%SYSTEMROOT%\System32;"
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strcpy( lpszSymbolPath, "." );
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// environment variable _NT_SYMBOL_PATH
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if ( GetEnvironmentVariableA( "_NT_SYMBOL_PATH", lpszPath, BUFFERSIZE ) )
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{
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strcat( lpszSymbolPath, ";" );
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strcat( lpszSymbolPath, lpszPath );
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}
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// environment variable _NT_ALTERNATE_SYMBOL_PATH
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if ( GetEnvironmentVariableA( "_NT_ALTERNATE_SYMBOL_PATH", lpszPath, BUFFERSIZE ) )
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{
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strcat( lpszSymbolPath, ";" );
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strcat( lpszSymbolPath, lpszPath );
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}
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// environment variable SYSTEMROOT
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if ( GetEnvironmentVariableA( "SYSTEMROOT", lpszPath, BUFFERSIZE ) )
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{
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strcat( lpszSymbolPath, ";" );
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strcat( lpszSymbolPath, lpszPath );
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strcat( lpszSymbolPath, ";" );
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// SYSTEMROOT\System32
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strcat( lpszSymbolPath, lpszPath );
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strcat( lpszSymbolPath, "\\System32" );
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}
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// Add user defined path
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if ( lpszIniPath != NULL )
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if ( lpszIniPath[0] != '\0' )
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{
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strcat( lpszSymbolPath, ";" );
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strcat( lpszSymbolPath, lpszIniPath );
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}
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}
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// Uninitialize the loaded symbol files
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BOOL UninitSymInfo() {
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return SymCleanup( GetCurrentProcess() );
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}
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// Initializes the symbol files
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BOOL InitSymInfo( PCSTR lpszInitialSymbolPath )
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{
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CHAR lpszSymbolPath[BUFFERSIZE];
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DWORD symOptions = SymGetOptions();
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symOptions |= SYMOPT_LOAD_LINES;
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symOptions &= ~SYMOPT_UNDNAME;
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SymSetOptions( symOptions );
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InitSymbolPath( lpszSymbolPath, lpszInitialSymbolPath );
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return SymInitialize( GetCurrentProcess(), lpszSymbolPath, TRUE);
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}
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// Get the module name from a given address
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static BOOL GetModuleNameFromAddress( UINT address, LPTSTR lpszModule )
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{
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BOOL ret = FALSE;
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IMAGEHLP_MODULE moduleInfo;
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::ZeroMemory( &moduleInfo, sizeof(moduleInfo) );
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moduleInfo.SizeOfStruct = sizeof(moduleInfo);
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if ( SymGetModuleInfo( GetCurrentProcess(), (DWORD)address, &moduleInfo ) )
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{
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// Got it!
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PCSTR2LPTSTR( moduleInfo.ModuleName, lpszModule );
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ret = TRUE;
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}
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else
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// Not found :(
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_tcscpy( lpszModule, _T("?") );
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return ret;
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}
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// Get function prototype and parameter info from ip address and stack address
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static BOOL GetFunctionInfoFromAddresses( ULONG fnAddress, ULONG stackAddress, LPTSTR lpszSymbol )
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{
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BOOL ret = FALSE;
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DWORD dwDisp = 0;
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DWORD dwSymSize = 10000;
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TCHAR lpszUnDSymbol[BUFFERSIZE]=_T("?");
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CHAR lpszNonUnicodeUnDSymbol[BUFFERSIZE]="?";
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LPTSTR lpszParamSep = NULL;
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LPTSTR lpszParsed = lpszUnDSymbol;
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PIMAGEHLP_SYMBOL pSym = (PIMAGEHLP_SYMBOL)GlobalAlloc( GMEM_FIXED, dwSymSize );
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::ZeroMemory( pSym, dwSymSize );
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pSym->SizeOfStruct = dwSymSize;
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pSym->MaxNameLength = dwSymSize - sizeof(IMAGEHLP_SYMBOL);
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// Set the default to unknown
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_tcscpy( lpszSymbol, _T("?") );
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// Get symbol info for IP
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#ifndef _M_X64
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if ( SymGetSymFromAddr( GetCurrentProcess(), (ULONG)fnAddress, &dwDisp, pSym ) )
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#else
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//makes it compile but hell im not sure if this works...
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if ( SymGetSymFromAddr( GetCurrentProcess(), (ULONG)fnAddress, (PDWORD64)&dwDisp, pSym ) )
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#endif
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{
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// Make the symbol readable for humans
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UnDecorateSymbolName( pSym->Name, lpszNonUnicodeUnDSymbol, BUFFERSIZE,
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UNDNAME_COMPLETE |
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UNDNAME_NO_THISTYPE |
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UNDNAME_NO_SPECIAL_SYMS |
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UNDNAME_NO_MEMBER_TYPE |
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UNDNAME_NO_MS_KEYWORDS |
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UNDNAME_NO_ACCESS_SPECIFIERS );
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// Symbol information is ANSI string
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PCSTR2LPTSTR( lpszNonUnicodeUnDSymbol, lpszUnDSymbol );
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// I am just smarter than the symbol file :)
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if ( _tcscmp(lpszUnDSymbol, _T("_WinMain@16")) == 0 )
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_tcscpy(lpszUnDSymbol, _T("WinMain(HINSTANCE,HINSTANCE,LPCTSTR,int)"));
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else
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if ( _tcscmp(lpszUnDSymbol, _T("_main")) == 0 )
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_tcscpy(lpszUnDSymbol, _T("main(int,TCHAR * *)"));
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else
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if ( _tcscmp(lpszUnDSymbol, _T("_mainCRTStartup")) == 0 )
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_tcscpy(lpszUnDSymbol, _T("mainCRTStartup()"));
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else
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if ( _tcscmp(lpszUnDSymbol, _T("_wmain")) == 0 )
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_tcscpy(lpszUnDSymbol, _T("wmain(int,TCHAR * *,TCHAR * *)"));
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else
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if ( _tcscmp(lpszUnDSymbol, _T("_wmainCRTStartup")) == 0 )
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_tcscpy(lpszUnDSymbol, _T("wmainCRTStartup()"));
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lpszSymbol[0] = _T('\0');
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// Let's go through the stack, and modify the function prototype, and insert the actual
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// parameter values from the stack
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if ( _tcsstr( lpszUnDSymbol, _T("(void)") ) == NULL && _tcsstr( lpszUnDSymbol, _T("()") ) == NULL)
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{
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ULONG index = 0;
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for( ; ; index++ )
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{
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lpszParamSep = _tcschr( lpszParsed, _T(',') );
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if ( lpszParamSep == NULL )
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break;
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*lpszParamSep = _T('\0');
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_tcscat( lpszSymbol, lpszParsed );
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_stprintf( lpszSymbol + _tcslen(lpszSymbol), _T("=0x%08X,"), *((ULONG*)(stackAddress) + 2 + index) );
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lpszParsed = lpszParamSep + 1;
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}
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lpszParamSep = _tcschr( lpszParsed, _T(')') );
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if ( lpszParamSep != NULL )
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{
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*lpszParamSep = _T('\0');
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_tcscat( lpszSymbol, lpszParsed );
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_stprintf( lpszSymbol + _tcslen(lpszSymbol), _T("=0x%08X)"), *((ULONG*)(stackAddress) + 2 + index) );
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lpszParsed = lpszParamSep + 1;
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}
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}
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_tcscat( lpszSymbol, lpszParsed );
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ret = TRUE;
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}
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GlobalFree( pSym );
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return ret;
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}
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// Get source file name and line number from IP address
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// The output format is: "sourcefile(linenumber)" or
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// "modulename!address" or
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// "address"
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static BOOL GetSourceInfoFromAddress( UINT address, LPTSTR lpszSourceInfo )
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{
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BOOL ret = FALSE;
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IMAGEHLP_LINE lineInfo;
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DWORD dwDisp;
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TCHAR lpszFileName[BUFFERSIZE] = _T("");
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TCHAR lpModuleInfo[BUFFERSIZE] = _T("");
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_tcscpy( lpszSourceInfo, _T("?(?)") );
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::ZeroMemory( &lineInfo, sizeof( lineInfo ) );
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lineInfo.SizeOfStruct = sizeof( lineInfo );
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if ( SymGetLineFromAddr( GetCurrentProcess(), address, &dwDisp, &lineInfo ) )
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{
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// Got it. Let's use "sourcefile(linenumber)" format
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PCSTR2LPTSTR( lineInfo.FileName, lpszFileName );
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TCHAR fname[_MAX_FNAME];
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TCHAR ext[_MAX_EXT];
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_tsplitpath(lpszFileName, NULL, NULL, fname, ext);
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_stprintf( lpszSourceInfo, _T("%s%s(%d)"), fname, ext, lineInfo.LineNumber );
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ret = TRUE;
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}
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else
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{
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// There is no source file information. :(
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// Let's use the "modulename!address" format
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GetModuleNameFromAddress( address, lpModuleInfo );
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if ( lpModuleInfo[0] == _T('?') || lpModuleInfo[0] == _T('\0'))
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// There is no modulename information. :((
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// Let's use the "address" format
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_stprintf( lpszSourceInfo, _T("0x%08X"), address );
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else
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_stprintf( lpszSourceInfo, _T("%s!0x%08X"), lpModuleInfo, address );
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ret = FALSE;
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}
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return ret;
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}
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void StackTrace( HANDLE hThread, LPCTSTR lpszMessage, FILE *file )
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{
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STACKFRAME callStack;
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BOOL bResult;
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CONTEXT context;
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TCHAR symInfo[BUFFERSIZE] = _T("?");
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TCHAR srcInfo[BUFFERSIZE] = _T("?");
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HANDLE hProcess = GetCurrentProcess();
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// If it's not this thread, let's suspend it, and resume it at the end
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if ( hThread != GetCurrentThread() )
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if ( SuspendThread( hThread ) == -1 )
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{
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// whaaat ?!
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etfprint(file, "Call stack info failed\n");
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return;
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}
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::ZeroMemory( &context, sizeof(context) );
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context.ContextFlags = CONTEXT_FULL;
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if ( !GetThreadContext( hThread, &context ) )
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{
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etfprint(file, "Call stack info failed\n");
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return;
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}
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::ZeroMemory( &callStack, sizeof(callStack) );
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#ifndef _M_X64
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callStack.AddrPC.Offset = context.Eip;
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callStack.AddrStack.Offset = context.Esp;
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callStack.AddrFrame.Offset = context.Ebp;
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#else
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callStack.AddrPC.Offset = context.Rip;
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callStack.AddrStack.Offset = context.Rsp;
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callStack.AddrFrame.Offset = context.Rbp;
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#endif
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callStack.AddrPC.Mode = AddrModeFlat;
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callStack.AddrStack.Mode = AddrModeFlat;
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callStack.AddrFrame.Mode = AddrModeFlat;
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etfprint(file, "Call stack info: \n");
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etfprint(file, lpszMessage);
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GetFunctionInfoFromAddresses( (ULONG)callStack.AddrPC.Offset, (ULONG)callStack.AddrFrame.Offset, symInfo );
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GetSourceInfoFromAddress( (ULONG)callStack.AddrPC.Offset, srcInfo );
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etfprint(file, string(" ") + srcInfo + string(" : ") + symInfo + string("\n"));
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for( ULONG index = 0; ; index++ )
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{
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bResult = StackWalk(
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IMAGE_FILE_MACHINE_I386,
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hProcess,
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hThread,
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&callStack,
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NULL,
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NULL,
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SymFunctionTableAccess,
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SymGetModuleBase,
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NULL);
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if ( index == 0 )
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continue;
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if( !bResult || callStack.AddrFrame.Offset == 0 )
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break;
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GetFunctionInfoFromAddresses( (ULONG)callStack.AddrPC.Offset, (ULONG)callStack.AddrFrame.Offset, symInfo );
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GetSourceInfoFromAddress( (UINT)callStack.AddrPC.Offset, srcInfo );
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etfprint(file, string(" ") + srcInfo + string(" : ") + symInfo + string("\n"));
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}
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if ( hThread != GetCurrentThread() )
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ResumeThread( hThread );
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}
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#ifndef UNICODE
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void StackTrace( HANDLE hThread, wchar_t const*lpszMessage, FILE *file, DWORD eip, DWORD esp, DWORD ebp )
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{
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// TODO: remove when Common builds as unicode
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size_t origsize = wcslen(lpszMessage) + 1;
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const size_t newsize = 100;
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size_t convertedChars = 0;
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char nstring[newsize];
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wcstombs_s(&convertedChars, nstring, origsize, lpszMessage, _TRUNCATE);
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StackTrace(hThread, nstring, file, eip, esp, ebp );
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}
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#endif
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void StackTrace( HANDLE hThread, LPCTSTR lpszMessage, FILE *file, DWORD eip, DWORD esp, DWORD ebp )
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{
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STACKFRAME callStack;
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BOOL bResult;
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TCHAR symInfo[BUFFERSIZE] = _T("?");
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TCHAR srcInfo[BUFFERSIZE] = _T("?");
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HANDLE hProcess = GetCurrentProcess();
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// If it's not this thread, let's suspend it, and resume it at the end
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if ( hThread != GetCurrentThread() )
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if ( SuspendThread( hThread ) == -1 )
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{
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// whaaat ?!
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etfprint(file, "Call stack info failed\n");
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return;
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}
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::ZeroMemory( &callStack, sizeof(callStack) );
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callStack.AddrPC.Offset = eip;
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callStack.AddrStack.Offset = esp;
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callStack.AddrFrame.Offset = ebp;
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callStack.AddrPC.Mode = AddrModeFlat;
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callStack.AddrStack.Mode = AddrModeFlat;
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callStack.AddrFrame.Mode = AddrModeFlat;
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etfprint(file, "Call stack info: \n");
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etfprint(file, lpszMessage);
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GetFunctionInfoFromAddresses( (ULONG)callStack.AddrPC.Offset, (ULONG)callStack.AddrFrame.Offset, symInfo );
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GetSourceInfoFromAddress( (UINT)callStack.AddrPC.Offset, srcInfo );
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etfprint(file, string(" ") + srcInfo + string(" : ") + symInfo + string("\n"));
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for( ULONG index = 0; ; index++ )
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{
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bResult = StackWalk(
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IMAGE_FILE_MACHINE_I386,
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hProcess,
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hThread,
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&callStack,
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NULL,
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NULL,
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SymFunctionTableAccess,
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SymGetModuleBase,
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NULL);
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if ( index == 0 )
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continue;
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if( !bResult || callStack.AddrFrame.Offset == 0 )
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break;
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GetFunctionInfoFromAddresses( (ULONG)callStack.AddrPC.Offset, (ULONG)callStack.AddrFrame.Offset, symInfo );
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GetSourceInfoFromAddress( (UINT)callStack.AddrPC.Offset, srcInfo );
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etfprint(file, string(" ") + srcInfo + string(" : ") + symInfo + string("\n"));
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}
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if ( hThread != GetCurrentThread() )
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ResumeThread( hThread );
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}
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char g_uefbuf[2048];
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void etfprintf(FILE *file, const char *format, ...) {
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va_list ap;
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va_start(ap, format);
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int len = vsprintf(g_uefbuf, format, ap);
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fwrite(g_uefbuf, 1, len, file);
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va_end(ap);
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}
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void etfprint(FILE *file, const std::string &text) {
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size_t len = text.length();
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fwrite(text.data(), 1, len, file);
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}
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#endif //WIN32
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