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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.
In addition to the permissions in the GNU Lesser General Public
License, the Free Software Foundation gives you unlimited
permission to link the compiled version of this file with other
programs, and to distribute those programs without any restriction
coming from the use of this file. (The GNU Lesser General Public
License restrictions do apply in other respects; for example, they
cover modification of the file, and distribution when not linked
into another program.)
Note that people who make modified versions of this file are not
obligated to grant this special exception for their modified
versions; it is their choice whether to do so. The GNU Lesser
General Public License gives permission to release a modified
version without this exception; this exception also makes it
possible to release a modified version which carries forward this
exception.
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)
|
