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-rw-r--r--sysdeps/unix/sysv/linux/powerpc/brk.S49
1 files changed, 49 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/powerpc/brk.S b/sysdeps/unix/sysv/linux/powerpc/brk.S
new file mode 100644
index 0000000000..f4a3f3bcec
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/powerpc/brk.S
@@ -0,0 +1,49 @@
+/* brk system call for Linux/ppc.
+   Copyright (C) 1995, 1996, 1997 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 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 <sysdep.h>
+#define _ERRNO_H	1
+#include <bits/errno.h>
+
+	.comm	__curbrk,4,4
+	.section ".text"
+ENTRY(__brk)
+	stwu    %r1,-16(%r1)
+	stw	%r3,8(%r1)
+	DO_CALL(SYS_ify(brk))
+	lwz     %r6,8(%r1)
+#ifdef PIC
+	mflr    %r4
+	bl      _GLOBAL_OFFSET_TABLE_@local-4
+	mflr    %r5
+	lwz     %r5,__curbrk@got(%r5)
+	mtlr    %r4
+	stw     %r3,0(%r5)
+#else
+	stw     %r3,__curbrk@sdarel(%r13)
+#endif
+	cmplw   %r6,%r3
+	addi    %r1,%r1,16
+	li	%r3,0
+	blelr+
+	li      %r3,ENOMEM
+	b	JUMPTARGET(__syscall_error)
+END (__brk)
+
+weak_alias (__brk, brk)