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-rw-r--r--sysdeps/unix/sysv/linux/ia64/brk.S58
1 files changed, 58 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/ia64/brk.S b/sysdeps/unix/sysv/linux/ia64/brk.S
new file mode 100644
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+++ b/sysdeps/unix/sysv/linux/ia64/brk.S
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+/* brk system call for Linux/ia64
+   Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Written by Stephane Eranian <eranian@hpl.hp.com> and
+	      Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999.
+
+   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 <asm/unistd.h>
+#include <asm/errno.h>
+	.text
+	.psr	abi64
+	.psr	lsb
+	.lsb
+
+	.global __curbrk
+	.data
+	.align	8
+__curbrk:
+	data8	0
+	.weak	___brk_addr
+___brk_addr = __curbrk
+	.text
+	.align	16
+	.global	__brk
+	.proc	__brk
+__brk:
+	mov	r15=__NR_brk
+	break.i	__BREAK_SYSCALL
+	;;
+	cmp.ltu	p6,p0=ret0,r32	/* r32 is the input register, even though we
+				   haven't allocated a frame */
+	addl	r9=@ltoff(__curbrk#),gp
+	;;
+	ld8	r9=[r9]
+(p6) 	mov	ret0=ENOMEM
+(p6)	br.cond.spnt.few __syscall_error
+	;;
+	st8	[r9]=ret0
+	mov 	ret0=0
+ 	br.ret.sptk.few rp
+	.endp __brk
+
+	.weak	brk
+brk = __brk