mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-25 22:40:05 +00:00
298c70f471
2000-12-05 Ulrich Drepper <drepper@redhat.com> * sysdeps/alpha/elf/start.S (__data_start): Define.
70 lines
2.0 KiB
ArmAsm
70 lines
2.0 KiB
ArmAsm
/* Startup code for Alpha/ELF.
|
|
Copyright (C) 1993,1995,1996,1997,1998,2000 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Richard Henderson <rth@tamu.edu>
|
|
|
|
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.
|
|
|
|
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>
|
|
|
|
.text
|
|
.align 3
|
|
.globl _start
|
|
.ent _start, 0
|
|
_start:
|
|
.frame fp, 0, zero
|
|
mov zero, fp
|
|
br gp, 1f
|
|
1: ldgp gp, 0(gp)
|
|
subq sp, 16, sp
|
|
.prologue 0
|
|
|
|
/* Load address of the user's main function. */
|
|
lda a0, main
|
|
|
|
ldl a1, 16(sp) /* get argc */
|
|
lda a2, 24(sp) /* get argv */
|
|
|
|
/* Load address of our own entry points to .fini and .init. */
|
|
lda a3, _init
|
|
lda a4, _fini
|
|
|
|
/* Store address of the shared library termination function. */
|
|
mov v0, a5
|
|
|
|
/* Provide the highest stack address to the user code. */
|
|
stq sp, 0(sp)
|
|
|
|
/* Call the user's main function, and exit with its value.
|
|
But let the libc call main. */
|
|
jsr ra, __libc_start_main
|
|
|
|
/* Die very horribly if exit returns. Call_pal hlt is callable from
|
|
kernel mode only; this will result in an illegal instruction trap. */
|
|
call_pal 0
|
|
.end _start
|
|
|
|
/* For ECOFF backwards compatibility. */
|
|
weak_alias(_start, __start)
|
|
|
|
/* Define a symbol for the first piece of initialized data. */
|
|
.data
|
|
.globl __data_start
|
|
__data_start:
|
|
.long 0
|
|
.weak data_start
|
|
data_start = __data_start
|