From 19d9b4ea1259df1c43b11431f88d934f2be91b51 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Fri, 22 Oct 1993 22:09:40 +0000 Subject: [PATCH] entered into RCS --- sysdeps/unix/sysv/irix4/start.c | 68 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 sysdeps/unix/sysv/irix4/start.c diff --git a/sysdeps/unix/sysv/irix4/start.c b/sysdeps/unix/sysv/irix4/start.c new file mode 100644 index 0000000..4382e6f --- /dev/null +++ b/sysdeps/unix/sysv/irix4/start.c @@ -0,0 +1,68 @@ +/* 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 +#include +#include +#include + +#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)); +} -- 2.7.4