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/* Startup code for elf32-sparc
Copyright (C) 1997, 1998, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Richard Henderson <richard@gnu.ai.mit.edu>, 1997.
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. */
#include <sysdep.h>
.section ".text"
.align 4
.global _start
.type _start,#function
_start:
/* Terminate the stack frame, and reserve space for functions to
drop their arguments. */
mov %g0, %fp
sub %sp, 6*4, %sp
/* Extract the arguments and environment as encoded on the stack. The
argument info starts after one register window (16 words) past the SP. */
ld [%sp+22*4], %o1
add %sp, 23*4, %o2
/* Load the addresses of the user entry points. */
sethi %hi(main), %o0
sethi %hi(__libc_csu_init), %o3
sethi %hi(__libc_csu_fini), %o4
or %o0, %lo(main), %o0
or %o3, %lo(__libc_csu_init), %o3
or %o4, %lo(__libc_csu_fini), %o4
/* When starting a binary via the dynamic linker, %g1 contains the
address of the shared library termination function, which will be
registered with atexit(). If we are statically linked, this will
be NULL. */
mov %g1, %o5
/* Let libc do the rest of the initialization, and call main. */
call __libc_start_main
nop
/* Die very horribly if exit returns. */
unimp
.size _start, .-_start
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