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/* Startup code for programs linked with GNU libc.
Copyright (C) 1998 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 Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
In addition to the permissions in the GNU Library 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 Library 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.)
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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <sysdep.h>
/* These are the various addresses we require. */
.section ".rodata"
.align 2
weak_extern(_init)
weak_extern(_fini)
L(start_addresses):
.long _SDA_BASE_
.long JUMPTARGET(main)
.long JUMPTARGET(_init)
.long JUMPTARGET(_fini)
ASM_SIZE_DIRECTIVE(L(start_addresses))
.section ".text"
ENTRY(_start)
/* Save the stack pointer, in case we're statically linked under Linux. */
mr %r9,%r1
/* Set up an initial stack frame, and clear the LR. */
clrrwi %r1,%r1,4
li %r0,0
stwu %r1,-16(%r1)
mtlr %r0
stw %r0,0(%r1)
/* Set r13 to point at the 'small data area', and put the address of
start_addresses in r8... */
lis %r8,L(start_addresses)@ha
lwzu %r13,L(start_addresses)@l(%r8)
/* and continue in libc-start, in glibc. */
b JUMPTARGET(__libc_start_main)
END(_start)
/* Define a symbol for the first piece of initialized data. */
.section ".data"
__data_start:
weak_alias (__data_start, data_start)
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