Import glibc-ports-mainline for 2006-08-16

git-svn-id: svn://svn.eglibc.org/fsf/trunk@8 7b3dc134-2b1b-0410-93df-9e9f96275f8d

1 files changed, 56 insertions, 0 deletions

diff --git a/ports/sysdeps/unix/arm/brk.S b/ports/sysdeps/unix/arm/brk.S
new file mode 100644
index 000000000..914e8a8bb
--- /dev/null
+++ b/ports/sysdeps/unix/arm/brk.S
@@ -0,0 +1,56 @@
+/* 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
+	DO_RET (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)