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win64: make signal handlers work somewhat
we can register a top-level exception filter which does nothing else than call into _XcptFilter (provided by the default C runtime environment) and signal handlers for the few POSIX signals that Windows can handle start working (that includes e.g. SEGV).
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@ -4,6 +4,7 @@
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// _UNICODE for tchar.h, UNICODE for API
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// _UNICODE for tchar.h, UNICODE for API
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#include <tchar.h>
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#include <tchar.h>
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#include <windows.h>
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#include <stdio.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdlib.h>
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@ -37,9 +38,19 @@ extern int _tmain(int argc, _TCHAR * argv[], _TCHAR * env[]);
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/* Allow command-line globbing with "int _dowildcard = 1;" in the user source */
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/* Allow command-line globbing with "int _dowildcard = 1;" in the user source */
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int _dowildcard;
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int _dowildcard;
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#ifdef __x86_64__
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static LONG WINAPI catch_sig(EXCEPTION_POINTERS *ex)
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{
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return _XcptFilter(ex->ExceptionRecord->ExceptionCode, ex);
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}
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#endif
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void _tstart(void)
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void _tstart(void)
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{
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{
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__TRY__
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__TRY__
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#ifdef __x86_64__
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SetUnhandledExceptionFilter(catch_sig);
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#endif
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_startupinfo start_info = {0};
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_startupinfo start_info = {0};
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// Sets the current application type
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// Sets the current application type
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@ -26,6 +26,13 @@ int APIENTRY wWinMain(HINSTANCE, HINSTANCE, LPWSTR, int);
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typedef struct { int newmode; } _startupinfo;
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typedef struct { int newmode; } _startupinfo;
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int __cdecl __tgetmainargs(int *pargc, _TCHAR ***pargv, _TCHAR ***penv, int globb, _startupinfo*);
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int __cdecl __tgetmainargs(int *pargc, _TCHAR ***pargv, _TCHAR ***penv, int globb, _startupinfo*);
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#ifdef __x86_64__
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static LONG WINAPI catch_sig(EXCEPTION_POINTERS *ex)
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{
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return _XcptFilter(ex->ExceptionRecord->ExceptionCode, ex);
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}
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#endif
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static int go_winmain(TCHAR *arg1)
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static int go_winmain(TCHAR *arg1)
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{
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{
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STARTUPINFO si;
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STARTUPINFO si;
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@ -54,6 +61,9 @@ static int go_winmain(TCHAR *arg1)
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int _twinstart(void)
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int _twinstart(void)
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{
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{
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__TRY__
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__TRY__
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#ifdef __x86_64__
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SetUnhandledExceptionFilter(catch_sig);
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#endif
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_startupinfo start_info_con = {0};
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_startupinfo start_info_con = {0};
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__set_app_type(__GUI_APP);
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__set_app_type(__GUI_APP);
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__tgetmainargs(&__argc, &__targv, &_tenviron, 0, &start_info_con);
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__tgetmainargs(&__argc, &__targv, &_tenviron, 0, &start_info_con);
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