mirror of
https://sourceware.org/git/glibc.git
synced 2025-10-30 10:45:40 +03:00
6e96b6ec3a
2002-07-24 Philip Blundell <philb@gnu.org> * sysdeps/unix/arm/brk.S: Improve schedule. * sysdeps/unix/sysv/linux/arm/socket.S (PUSHARGS_1): Use more efficient instruction. (__socket): Optimize return sequence. * locale/hashval.h: Make more self-contained by defining LONG_BITS.
57 lines
1.4 KiB
ArmAsm
57 lines
1.4 KiB
ArmAsm
/* Copyright (C) 1991, 92, 93, 95, 97, 98 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. */
|
|
|
|
#include <sysdep.h>
|
|
|
|
#ifndef SYS_brk
|
|
#define SYS_brk 17
|
|
#endif
|
|
|
|
.data
|
|
.globl C_SYMBOL_NAME(__curbrk)
|
|
C_LABEL(__curbrk)
|
|
#ifdef HAVE_GNU_LD
|
|
.long C_SYMBOL_NAME(_end)
|
|
#else
|
|
.long C_SYMBOL_NAME(end)
|
|
#endif
|
|
|
|
.text
|
|
SYSCALL__ (brk, 1)
|
|
#ifdef PIC
|
|
ldr r1, 1f
|
|
ldr r2, _cb_addr
|
|
2: add r1, pc, r1
|
|
add r1, r1, r2
|
|
#else
|
|
ldr r1, _cb_addr
|
|
#endif
|
|
str r0, [r1]
|
|
mov r0, $0
|
|
RETINSTR(mov, pc, r14)
|
|
#ifdef PIC
|
|
1: .long _GLOBAL_OFFSET_TABLE_ - 2b - 8
|
|
_cb_addr:
|
|
.long C_SYMBOL_NAME(__curbrk)(GOTOFF)
|
|
#else
|
|
_cb_addr:
|
|
.long C_SYMBOL_NAME(__curbrk)
|
|
#endif
|
|
|
|
weak_alias (__brk, brk)
|