newlib/winsup/cygwin/lib/cygwin_crt0.c

35 lines
925 B
C

/* cygwin_crt0.cc: crt0 for cygwin
Copyright 2000 Cygnus Solutions.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#undef __INSIDE_CYGWIN__
#include <windows.h>
#include <sys/cygwin.h>
#include "crt0.h"
#define alloca __builtin_alloca
extern void dll_crt0__FP11per_process (struct per_process *) __declspec (dllimport) __attribute ((noreturn));
/* for main module */
void
cygwin_crt0 (MainFunc f)
{
struct per_process *u;
if (_cygwin_crt0_common (f, NULL))
u = NULL; /* Newer DLL. Use DLL internal per_process. */
else /* Older DLL. Provide a per_process */
{
u = (struct per_process *) alloca (sizeof (*u));
memset (u, 0, sizeof (u));
(void) _cygwin_crt0_common (f, u);
}
dll_crt0__FP11per_process (u); /* Jump into the dll, never to return */
}