/* * uC-libc/sysdeps/linux/powerpc/crt0.c * 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 * */ #include <errno.h> asm( "\t.global _start\n" "\t_start:\n" //"\tmr 9,1\n" //"\trlwinm 1,1,0,0,27\n" "\tli 0,0\n" "\tstwu 1,-32(1)\n" "\tmtlr 0\n" //"\tstw 0,0(1)\n" /* XXX fixme. We want this to be an internally resolved jump */ // "\tb _start2@xxx\n" ); /* 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 */ extern void main(int argc,void *argv,void *envp); void (*mainp)(int argc,void *argv,void *envp) = main; void __uClibc_main(int argc,void *argv,void *envp); void _start2(void) { void **p; int argc; p=__builtin_frame_address(0)+0x30; argc=*(int *)p; /* gross hack for dynamic linker */ if(argc==0){ p=((void *)p)+0x10; argc=*(int *)p; } __uClibc_main(argc,p+1,p+2+argc); }