glibc/sysdeps/unix/sparc/brk.S
Ulrich Drepper 57d44131d8 * configure.in: Remove gnu_ld definition and everything using it.
* config.h.in: Remove HAVE_GNU_LD.
	* csu/Makefile: Remove use of gnu-ld.
	* csu/munch.awk: Removed.
	* csu/munch-tmpl.c: Removed.
	* include/libc-symbols.h: Remove use of HAVE_GNU_LD.
	* posix/execl.c: Likewise.
	* posix/execv.c: Likewise.
	* stdio-common/psignal.c: Likewise.
	* stdlib/exit.c: Likewise.
	* string/strsignal.c: Likewise.
	* string/tester.c: Likewise.
	* sysdeps/generic/errlist.c: Likewise.
	* sysdeps/generic/getenv.c: Likewise.
	* sysdeps/generic/getgroups.c: Likewise.
	* sysdeps/generic/init-posix.c: Likewise.
	* sysdeps/posix/gettimeofday.c: Likewise.
	* sysdeps/posix/system.c: Likewise.
	* sysdeps/unix/bsd/init-posix.c: Likewise.
	* sysdeps/unix/bsd/ulimit.c: Likewise.
	* sysdeps/unix/bsd/sun/m68k/brk.S: Likewise.
	* sysdeps/unix/bsd/sun/m68k/sethostid.S: Likewise.
	* sysdeps/unix/bsd/sun/sparc/sethostid.S: Likewise.
	* sysdeps/unix/i386/brk.S: Likewise.
	* sysdeps/unix/sparc/brk.S: Likewise.
2005-11-06 02:06:06 +00:00

52 lines
1.4 KiB
ArmAsm

/* Copyright (C) 1993, 1995, 1997, 2005 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
#ifndef C_SYMBOL_NAME
#define C_SYMBOL_NAME(name) _##name
#endif
.data
.global C_SYMBOL_NAME(__curbrk)
C_LABEL(__curbrk)
.long C_SYMBOL_NAME(_end)
.text
ENTRY (__brk)
add %o0, 7, %o0
andn %o0, 7, %o0
mov SYS_brk, %g1
mov %o0, %o1 /* Save rounded value. */
ta %g0
bcs error
sethi %hi(C_SYMBOL_NAME(__curbrk)), %g1
st %o1, [%g1 + %lo(C_SYMBOL_NAME(__curbrk))]
ret
error: sethi %hi(C_SYMBOL_NAME(errno)), %g1
st %o0, [%g1 + %lo(C_SYMBOL_NAME(errno))]
sub %g0, 1, %o0
retl
nop /* Fill the delay slot. */
weak_alias (__brk, brk)