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/* Copyright (C) 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. */
.file "start.s"
.toc
T.lsd: .tc __libc_start_data[tc], __libc_start_data[rw]
T.main: .tc main[tc], main[rw]
T.init: .tc __libc_start_init[tc], __libc_start_init[rw]
T.fini: .tc __libc_start_fini[tc], __libc_start_init[rw]
T.rtld_fini : .tc __libc_start_rtld_fini[tc], __libc_start_rtld_fini[rw]
.globl __start
.globl .__start
.globl __libc_start_data
.extern .__libc_start_main
.extern .main
.extern main
.extern __libc_start_init
.extern __libc_start_fini
.extern __libc_start_rtld_fini
/* Text */
.csect __start[ds]
__start:
.long .__start, TOC[tc0], 0
.csect .text[pr]
.__start:
/* No prologue needed, __start does not have to follow the ABI.
Input from kernel/loader
r1 : stack
r2 : TOC
r3 : argc
r4 : argv
r5 : envp
r28 : data origin
r29 : text origin
r30 : module count
r31 : default processing flag
If r31 == r30, no special processing is needed, ie r28, r29 & r30
are not used
Save input in __libc_start_data */
l 16, T.lsd(2)
st 1, 0(16) /* stack */
st 2, 4(16) /* toc */
st 3, 8(16) /* argc */
st 4, 12(16) /* argv */
st 5, 16(16) /* envp */
st 28, 20(16) /* data origin */
st 29, 24(16) /* text origin */
st 30, 28(16) /* module count */
st 31, 32(16) /* special */
/* Call __libc_start_main() */
bl .__libc_start_main
nop
/* No epilog needed, __start does not have to follow the ABI */
/* Trace back */
TB.__start:
.long 0x0
.long 0xc2040
.long 0x0
.long TB.__start - .__start
.short 7
.byte "__start"
.byte 0,0,0
/* Data
__libc_start_data
Space to keep libc initialization information */
.csect __libc_start_data[rw]
__libc_start_data:
/* For kernel/loader input args */
.space 36
/* Externs */
.long main
init:
.long __libc_start_init
fini:
.long __libc_start_fini
rtld_fini:
.long __libc_start_rtld_fini
.space 0x1000 + (4 + rtld_fini - __libc_start_data)
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