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Diffstat (limited to 'sysdeps/unix/bsd/sun/m68k/brk.S')
-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)