gccmain.c

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//#include <windows.h>
#include <stdlib.h>
#include <setjmp.h>
 
typedef void (*func_ptr) (void);
extern func_ptr __CTOR_LIST__[];
extern func_ptr __DTOR_LIST__[];
 
void __do_global_dtors (void);
void __do_global_ctors (void);
void __main (void);
 
void
__do_global_dtors (void)
{
  static func_ptr *p = __DTOR_LIST__ + 1;
 
  while (*p)
    {
      (*(p)) ();
      p++;
    }
}
 
void
__do_global_ctors (void)
{
  unsigned long nptrs = (unsigned long) (ptrdiff_t) __CTOR_LIST__[0];
  unsigned long i;
 
  if (nptrs == (unsigned long) -1)
    {
      for (nptrs = 0; __CTOR_LIST__[nptrs + 1] != 0; nptrs++);
    }
 
  for (i = nptrs; i >= 1; i--)
    {
      __CTOR_LIST__[i] ();
    }
}
 
static int initialized = 0;
 
void
__main (void)
{
  if (!initialized)
    {
      initialized = 1;
      __do_global_ctors ();
    }
}