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authorMike Frysinger <vapier@gentoo.org>2006-02-04 01:20:54 +0000
committerMike Frysinger <vapier@gentoo.org>2006-02-04 01:20:54 +0000
commitc429bf3057c87dd9545fc2d824b5930c52f7dfb8 (patch)
treef207534c6a7a16795f8e7a099c1b48180e9db94f /libc/sysdeps/linux/ia64/brk.S
parent798669dc65077f81b6facd2415463a1bda13c4d7 (diff)
import files from glibc for an ia64/static port
Diffstat (limited to 'libc/sysdeps/linux/ia64/brk.S')
-rw-r--r--libc/sysdeps/linux/ia64/brk.S52
1 files changed, 52 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/ia64/brk.S b/libc/sysdeps/linux/ia64/brk.S
new file mode 100644
index 000000000..6d146a579
--- /dev/null
+++ b/libc/sysdeps/linux/ia64/brk.S
@@ -0,0 +1,52 @@
+/* brk system call for Linux/ia64
+ Copyright (C) 1999,2000,2001,2003 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 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"
+
+#include <asm/unistd.h>
+#include <asm/errno.h>
+
+ .global __curbrk
+ .type __curbrk,@object
+ .size __curbrk,8
+ .data
+ .align 8
+__curbrk:
+ data8 0
+
+weak_alias (__curbrk, ___brk_addr)
+
+LEAF(__brk)
+ .regstk 1, 0, 0, 0
+ DO_CALL(__NR_brk)
+ cmp.ltu p6, p0 = ret0, in0
+ 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
+ ret
+END(__brk)
+
+weak_alias (__brk, brk)