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/*
$Id: prt0.as,v 1.14 2004/08/18 14:26:50 karoly Exp $
*/
/* Startup code for programs linked with GNU libc.
Copyright (C) 1998, 1999, 2000, 2001 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
.section ".text"
.globl _start
_start:
mr 26,1
/* Set up an initial stack frame, and clear the LR. */
clrrwi 1,1,4
li 0,0
stwu 1,-16(1)
mtlr 0
stw 0,0(1)
lwz 3,0(26) /* get argc */
lis 11,operatingsystem_parameter_argc@ha
stw 3,operatingsystem_parameter_argc@l(11);
addi 4,26,4 /* get argv */
lis 11,operatingsystem_parameter_argv@ha
stw 4,operatingsystem_parameter_argv@l(11);
addi 27,3,1 /* calculate argc + 1 into r27 */
slwi 27,27,2 /* calculate (argc + 1) * sizeof(char *) into r27 */
add 5,4,27 /* get address of env[0] */
lis 11,operatingsystem_parameter_envp@ha
stw 5,operatingsystem_parameter_envp@l(11);
bl PASCALMAIN
b _haltproc
.globl _haltproc
.type _haltproc,@function
_haltproc:
li 0,1 /* exit call */
sc
b _haltproc
/* Define a symbol for the first piece of initialized data. */
.section ".data"
.globl __data_start
__data_start:
data_start:
.globl ___fpc_brk_addr /* heap management */
.type ___fpc_brk_addr,@object
.size ___fpc_brk_addr,4
___fpc_brk_addr:
.long 0
.text
.comm operatingsystem_parameter_envp,4
.comm operatingsystem_parameter_argc,4
.comm operatingsystem_parameter_argv,4
/*
$Log: prt0.as,v $
Revision 1.14 2004/08/18 14:26:50 karoly
* quick fix to make it compile
Revision 1.13 2004/07/03 21:50:31 daniel
* Modified bootstrap code so separate prt0.as/prt0_10.as files are no
longer necessary
Revision 1.12 2004/05/26 20:48:17 florian
* _haltproc fixed
Revision 1.11 2004/01/04 17:23:57 florian
+ header added
Revision 1.10 2003/05/12 22:36:45 florian
+ added setup of argv, argc and envp
Revision 1.9 2002/09/07 16:01:20 peter
* old logs removed and tabs fixed
Revision 1.8 2002/08/31 21:29:57 florian
* several PC related fixes
Revision 1.7 2002/08/31 16:13:12 florian
* made _start global
Revision 1.6 2002/08/31 14:02:23 florian
* r3 renamed to 3
Revision 1.5 2002/08/31 14:01:28 florian
* _haltproc to prt0.as added (Linux/PPC)
Revision 1.4 2002/08/31 13:11:11 florian
* several fixes for Linux/PPC compilation
Revision 1.3 2002/08/19 21:19:15 florian
* small fixes
Revision 1.2 2002/07/26 17:09:44 florian
* log fixed
Revision 1.1 2002/07/26 16:57:40 florian
+ initial version, plain copy from glibc/sysdeps/powerpc/elf/start.S
*/
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