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-rw-r--r--sysdeps/unix/bsd/sun/m68k/brk.S49
1 files changed, 49 insertions, 0 deletions
diff --git a/sysdeps/unix/bsd/sun/m68k/brk.S b/sysdeps/unix/bsd/sun/m68k/brk.S
new file mode 100644
index 0000000000..07af96d23c
--- /dev/null
+++ b/sysdeps/unix/bsd/sun/m68k/brk.S
@@ -0,0 +1,49 @@
+/* Copyright (C) 1991, 1992, 1994, 1995, 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 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	HAVE_GNU_LD
+#define	__end	_end
+#endif
+
+.data
+.globl ___curbrk
+___curbrk:
+	.long __end
+
+.text
+ENTRY (__brk)
+	movel #__end, d0
+	cmpl sp@(4), d0
+	ble 0f
+	movel d0, sp@(4)
+0:	pea SYS_brk
+	trap #0
+	bcs 1f
+	movel sp@(4), ___curbrk
+	clrl d0
+	rts
+1:
+	jmp syscall_error
+
+weak_alias (__brk, brk)