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- /* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, write to the Free Software Foundation, Inc., 675 Mass Ave,
- Cambridge, MA 02139, USA. */
-
- #include <ansidecl.h>
- #include <errno.h>
- #include <stdlib.h>
- #include <unistd.h>
-
- #ifndef __GNUC__
- #error This file uses GNU C extensions; you must compile with GCC.
- #endif
-
- /* The first piece of initialized data. */
- int __data_start = 0;
-
- VOLATILE int errno = 0;
-
- #ifndef HAVE_GNU_LD
- #undef environ
- #define __environ environ
- #endif
-
- char **__environ;
-
- extern void EXFUN(__libc_init, (int argc, char **argv, char **envp));
- extern int EXFUN(main, (int argc, char **argv, char **envp));
-
- /* Use the stack pointer to access the arguments. This assumes that
- we can guess how big the frame will be. */
- register long int sp asm("sp");
- #ifdef __OPTIMIZE__
- #define STACKSIZE 8
- #else
- #define STACKSIZE 10
- #endif
-
- void
- DEFUN_VOID(__start)
- {
- int argc;
- char **argv, **envp;
-
- /* Set up the global pointer. */
- asm volatile ("la $28,_gp");
- argc = ((int *) sp)[STACKSIZE];
- argv = (char **) &((int *) sp)[STACKSIZE + 1];
- envp = &argv[argc + 1];
- __environ = envp;
-
- __libc_init (argc, argv, envp);
- errno = 0;
- exit (main (argc, argv, envp));
- }
-