/* * uC-libc/sysdeps/linux/powerpc/crt0.S * process init code for powerpc * * Copyright (C) 2001 by Lineo, Inc. * Author: David A. Schleef <ds@schleef.org> * * This program 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. * * This program 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 this program; if not, write to the Free Software Foundation, * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ /* _start is called with the following registers initialized: r1 null stack frame r3 argc r4 argv r5 envp r6 auxiliary vector. ignored. r7 function pointer to jump to when main() exits. If this is non-zero, it should be registered with atexit(). Linux always (?) sets r7 to NULL, so it is not implemented here. */ .text .global _start .global __uClibc_main .type _start,%function .type __uClibc_main,%function _start: /* create 2 empty stack frames */ stwu 1,-32(1) lwz 3,32(1) addi 4,1,36 addi 5,1,40 rlwinm 0,3,2,0,29 add 5,5,0 bl __uClibc_main /* Stick in a dummy reference to main(), so that if an application * is linking when the main() function is in a static library (.a) * we can be sure that main() actually gets linked in */ L_dummy_main_reference: .long main