diff options
Diffstat (limited to 'tqtinterface/qt4/mkspecs/win32-g++/qtcrtentrypoint.cpp')
| -rw-r--r-- | tqtinterface/qt4/mkspecs/win32-g++/qtcrtentrypoint.cpp | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/tqtinterface/qt4/mkspecs/win32-g++/qtcrtentrypoint.cpp b/tqtinterface/qt4/mkspecs/win32-g++/qtcrtentrypoint.cpp deleted file mode 100644 index 3d047e8..0000000 --- a/tqtinterface/qt4/mkspecs/win32-g++/qtcrtentrypoint.cpp +++ /dev/null @@ -1,231 +0,0 @@ - -//This code is need to get the WinMain function called. Current MinGW runtimes tries to call main -//before WinMain. Untill such time as MinGw runtime has been changed this is need. -//Most of this code is taken from the MinGw runtime sources. - - -#include <signal.h> -#include <process.h> -#include <float.h> -#include <io.h> - - -/* - * Setup the default file handles to have the _CRT_fmode mode, as well as - * any new files created by the user. - */ - -extern int _fmode; -extern "C" int* __p__fmode(void); /* To access the dll _fmode */ -extern int _CRT_fmode; - -static void _mingw32_init_fmode () -{ - /* Don't set the std file mode if the user hasn't set any value for it. */ - if (_CRT_fmode) - { - _fmode = _CRT_fmode; - - /* - * This overrides the default file mode settings for stdin, - * stdout and stderr. At first I thought you would have to - * test with isatty, but it seems that the DOS console at - * least is smart enough to handle _O_BINARY stdout and - * still display correctly. - */ - if (stdin) - { - _setmode (_fileno (stdin), _CRT_fmode); - } - if (stdout) - { - _setmode (_fileno (stdout), _CRT_fmode); - } - if (stderr) - { - _setmode (_fileno (stderr), _CRT_fmode); - } - } - - /* Now sync the dll _fmode to the one for this .exe. */ - *__p__fmode() = _fmode; - -} - -/* This function will be called when a trap occurs. Thanks to Jacob - Navia for his contribution. */ -static CALLBACK long _gnu_exception_handler (EXCEPTION_POINTERS * exception_data) -{ - void (*old_handler) (int); - long action = EXCEPTION_CONTINUE_SEARCH; - int reset_fpu = 0; - - switch (exception_data->ExceptionRecord->ExceptionCode) - { - case EXCEPTION_ACCESS_VIOLATION: - /* test if the user has set SIGSEGV */ - old_handler = signal (SIGSEGV, SIG_DFL); - if (old_handler == SIG_IGN) - { - /* this is undefined if the signal was raised by anything other - than raise (). */ - signal (SIGSEGV, SIG_IGN); - action = EXCEPTION_CONTINUE_EXECUTION; - } - else if (old_handler != SIG_DFL) - { - /* This means 'old' is a user defined function. Call it */ - (*old_handler) (SIGSEGV); - action = EXCEPTION_CONTINUE_EXECUTION; - } - break; - - case EXCEPTION_FLT_INVALID_OPERATION: - case EXCEPTION_FLT_DIVIDE_BY_ZERO: - case EXCEPTION_FLT_DENORMAL_OPERAND: - case EXCEPTION_FLT_OVERFLOW: - case EXCEPTION_FLT_UNDERFLOW: - case EXCEPTION_FLT_INEXACT_RESULT: - reset_fpu = 1; - /* fall through. */ - - case EXCEPTION_INT_DIVIDE_BY_ZERO: - /* test if the user has set SIGFPE */ - old_handler = signal (SIGFPE, SIG_DFL); - if (old_handler == SIG_IGN) - { - signal (SIGFPE, SIG_IGN); - if (reset_fpu) - _fpreset (); - action = EXCEPTION_CONTINUE_EXECUTION; - } - else if (old_handler != SIG_DFL) - { - /* This means 'old' is a user defined function. Call it */ - (*old_handler) (SIGFPE); - action = EXCEPTION_CONTINUE_EXECUTION; - } - break; - - default: - break; - } - return action; -} - - -extern char __RUNTIME_PSEUDO_RELOC_LIST__; -extern char __RUNTIME_PSEUDO_RELOC_LIST_END__; -extern char _image_base__; - -typedef struct { - DWORD addend; - DWORD target; -} runtime_pseudo_reloc; - -static void do_pseudo_reloc (void* start, void* end, void* base) -{ - DWORD reloc_target; - runtime_pseudo_reloc* r; - for (r = (runtime_pseudo_reloc*) start; r < (runtime_pseudo_reloc*) end; r++) { - reloc_target = (DWORD) base + r->target; - *((DWORD*) reloc_target) += r->addend; - } -} - -void _pei386_runtime_relocator () -{ - do_pseudo_reloc (&__RUNTIME_PSEUDO_RELOC_LIST__, - &__RUNTIME_PSEUDO_RELOC_LIST_END__, - &_image_base__); -} - - -#ifdef __MSVCRT__ -#define __UNKNOWN_APP 0 -#define __CONSOLE_APP 1 -#define __GUI_APP 2 -extern "C" void __set_app_type(int); -#endif /* __MSVCRT__ */ - -#define ISSPACE(a) (a == ' ' || a == '\t') - -int TQtWinMainCRTStartup() -{ -#ifdef __MSVCRT__ - __set_app_type (__GUI_APP); -#endif - - SetUnhandledExceptionFilter (_gnu_exception_handler); - - /* - * Initialize floating point unit. - */ - _fpreset (); /* Supplied by the runtime library. */ - - /* - * Sets the default file mode. - * If _CRT_fmode is set, also set mode for stdin, stdout - * and stderr, as well - * NOTE: DLLs don't do this because that would be rude! - */ - _mingw32_init_fmode (); - - /* Adust references to dllimported data that have non-zero offsets. */ - _pei386_runtime_relocator (); - - char *szCmd; - STARTUPINFO startinfo; - int nRet; - - /* Get the command line passed to the process. */ - szCmd = GetCommandLineA (); - GetStartupInfo (&startinfo); - - /* Strip off the name of the application and any leading - * whitespace. */ - if (szCmd) { - - while (ISSPACE (*szCmd)) { - szCmd++; - } - - /* On my system I always get the app name enclosed - * in quotes... */ - if (*szCmd == '\"') { - do { - szCmd++; - } while (*szCmd != '\"' && *szCmd != '\0'); - - if (*szCmd == '\"') { - szCmd++; - } - } else { - /* If no quotes then assume first token is program - * name. */ - while (!ISSPACE (*szCmd) && *szCmd != '\0') { - szCmd++; - } - } - - while (ISSPACE (*szCmd)) { - szCmd++; - } - } - - nRet = WinMain (GetModuleHandle (NULL), NULL, szCmd, - (startinfo.dwFlags & STARTF_USESHOWWINDOW) ? - startinfo.wShowWindow : SW_SHOWDEFAULT); - - /* - * Perform exit processing for the C library. This means - * flushing output and calling 'atexit' registered functions. - */ - _cexit (); - - ExitProcess (nRet); - - return 0; - -} - |