mirror of
git://repo.or.cz/tinycc.git
synced 2026-06-19 19:34:19 +08:00
150 lines
3.8 KiB
C
150 lines
3.8 KiB
C
// =============================================
|
|
// crt1.c
|
|
|
|
// _UNICODE for tchar.h, UNICODE for API
|
|
#include <tchar.h>
|
|
|
|
#include <windows.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#define _UNKNOWN_APP 0
|
|
#define _CONSOLE_APP 1
|
|
#define _GUI_APP 2
|
|
|
|
#define _MCW_PC 0x00030000 // Precision Control
|
|
#define _PC_24 0x00020000 // 24 bits
|
|
#define _PC_53 0x00010000 // 53 bits
|
|
#define _PC_64 0x00000000 // 64 bits
|
|
|
|
#ifdef _UNICODE
|
|
#define __tgetmainargs __wgetmainargs
|
|
#define _tstart _wstart
|
|
#define _tmain wmain
|
|
#define _runtmain _runwmain
|
|
#define get_tenviron _get_wenviron
|
|
#else
|
|
#define __tgetmainargs __getmainargs
|
|
#define _tstart _start
|
|
#define _tmain main
|
|
#define _runtmain _runmain
|
|
#define get_tenviron _get_environ
|
|
#endif
|
|
|
|
typedef struct { int newmode; } _startupinfo;
|
|
int __cdecl __tgetmainargs(int *pargc, _TCHAR ***pargv, _TCHAR ***penv, int globb, _startupinfo*);
|
|
int __cdecl get_tenviron(_TCHAR ***penv);
|
|
void __cdecl __set_app_type(int apptype);
|
|
unsigned int __cdecl _controlfp(unsigned int new_value, unsigned int mask);
|
|
extern int _tmain(int argc, _TCHAR * argv[], _TCHAR * env[]);
|
|
#ifdef UNICODE
|
|
__attribute__((weak)) wchar_t **__cdecl __rt_get_wenviron(void);
|
|
#else
|
|
__attribute__((weak)) char **__cdecl __rt_get_environ(void);
|
|
#endif
|
|
|
|
#include "crtinit.c"
|
|
|
|
/* Allow command-line globbing with "int _dowildcard = 1;" in the user source */
|
|
int _dowildcard;
|
|
|
|
static LONG WINAPI catch_sig(EXCEPTION_POINTERS *ex)
|
|
{
|
|
return _XcptFilter(ex->ExceptionRecord->ExceptionCode, ex);
|
|
}
|
|
|
|
void _tstart(void)
|
|
{
|
|
int ret;
|
|
_TCHAR **env = NULL;
|
|
|
|
_startupinfo start_info = {0};
|
|
SetUnhandledExceptionFilter(catch_sig);
|
|
// Sets the current application type
|
|
__set_app_type(_CONSOLE_APP);
|
|
|
|
// Set default FP precision to 53 bits (8-byte double)
|
|
// _MCW_PC (Precision control) is not supported on ARM
|
|
#if defined __i386__ || defined __x86_64__
|
|
_controlfp(_PC_53, _MCW_PC);
|
|
#endif
|
|
|
|
__tgetmainargs(&__argc, &__targv, &env, _dowildcard, &start_info);
|
|
run_ctors(__argc, __targv, env);
|
|
ret = _tmain(__argc, __targv, env);
|
|
run_dtors();
|
|
exit(ret);
|
|
}
|
|
|
|
// =============================================
|
|
// for 'tcc -run ,,,'
|
|
|
|
__attribute__((weak)) void __run_on_exit(int ret)
|
|
{
|
|
(void)ret;
|
|
}
|
|
|
|
static void run_stdio_init(void)
|
|
{
|
|
setvbuf(stdout, NULL, _IONBF, 0);
|
|
setvbuf(stderr, NULL, _IONBF, 0);
|
|
}
|
|
|
|
int _runtmain(int argc, /* as tcc passed in */ char **argv)
|
|
{
|
|
int ret;
|
|
_TCHAR **env = NULL;
|
|
#ifdef UNICODE
|
|
if (__rt_get_wenviron) {
|
|
env = __rt_get_wenviron();
|
|
#if defined __i386__ || defined __x86_64__
|
|
_controlfp(_PC_53, _MCW_PC);
|
|
#endif
|
|
run_stdio_init();
|
|
run_ctors(argc, (_TCHAR **)argv, env);
|
|
ret = _tmain(argc, (_TCHAR **)argv, env);
|
|
run_dtors();
|
|
__run_on_exit(ret);
|
|
return ret;
|
|
}
|
|
#else
|
|
if (__rt_get_environ) {
|
|
env = __rt_get_environ();
|
|
#if defined __i386__ || defined __x86_64__
|
|
_controlfp(_PC_53, _MCW_PC);
|
|
#endif
|
|
run_stdio_init();
|
|
run_ctors(argc, (_TCHAR **)argv, env);
|
|
ret = _tmain(argc, (_TCHAR **)argv, env);
|
|
run_dtors();
|
|
__run_on_exit(ret);
|
|
return ret;
|
|
}
|
|
#endif
|
|
#ifdef UNICODE
|
|
_startupinfo start_info = {0};
|
|
|
|
__tgetmainargs(&__argc, &__targv, &env, _dowildcard, &start_info);
|
|
/* may be wrong when tcc has received wildcards (*.c) */
|
|
if (argc < __argc) {
|
|
__targv += __argc - argc;
|
|
__argc = argc;
|
|
}
|
|
#else
|
|
__argc = argc;
|
|
__targv = argv;
|
|
get_tenviron(&env);
|
|
#endif
|
|
#if defined __i386__ || defined __x86_64__
|
|
_controlfp(_PC_53, _MCW_PC);
|
|
#endif
|
|
run_stdio_init();
|
|
run_ctors(__argc, __targv, env);
|
|
ret = _tmain(__argc, __targv, env);
|
|
run_dtors();
|
|
__run_on_exit(ret);
|
|
return ret;
|
|
}
|
|
|
|
// =============================================
|