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authorBrendan Kehoe <brendan@zen.org>1995-03-10 01:56:19 +0000
committerBrendan Kehoe <brendan@zen.org>1995-03-10 01:56:19 +0000
commit222c4e717a9149eec124f1e4bfc269f76524d560 (patch)
tree45e4ffb748a85542aa92ead741becdf4e3ed553b /sysdeps/unix/bsd/osf/alpha/brk.S
parentfeebe869aefa3703a4093ff4879eb0e5d8d54939 (diff)
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* configure.in: Match `osf*', not `osf1*'. * configure: Likewise. * sysdeps/unix/bsd/osf: Renamed to `sysdeps/unix/bsd/osf1'.
Thu Mar  9 17:16:53 1995  Brendan Kehoe  (brendan@zen.org)

	* configure.in: Match `osf*', not `osf1*'.
	* configure: Likewise.
	* sysdeps/unix/bsd/osf: Renamed to `sysdeps/unix/bsd/osf1'.
Diffstat (limited to 'sysdeps/unix/bsd/osf/alpha/brk.S')
-rw-r--r--sysdeps/unix/bsd/osf/alpha/brk.S53
1 files changed, 53 insertions, 0 deletions
diff --git a/sysdeps/unix/bsd/osf/alpha/brk.S b/sysdeps/unix/bsd/osf/alpha/brk.S
new file mode 100644
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+++ b/sysdeps/unix/bsd/osf/alpha/brk.S
@@ -0,0 +1,53 @@
+/* Copyright (C) 1993, 1995 Free Software Foundation, Inc.
+   Contributed by Brendan Kehoe (brendan@zen.org).
+
+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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <sysdep.h>
+
+#ifndef SYS_brk
+#define SYS_brk 17
+#endif
+
+#ifndef       HAVE_GNU_LD
+#define __end           end
+#endif
+
+.data
+	.extern __end,8
+	.globl __curbrk
+__curbrk:
+	.quad __end
+
+.text
+ENTRY(__brk)
+	! FIXME We do not check for asking for less than a page yet.
+	ldiq v0, SYS_brk
+	call_pal PAL_callsys
+	bne a3, error
+
+	/* Update __curbrk and exit cleanly.  */
+!	ldgp gp, 0(t12)
+	stl a0, __curbrk
+
+	mov zero, v0
+	ret
+	/* What a horrible way to die.  */
+error:	ldgp gp,0(gp)
+	jmp zero,syscall_error
+	.end __brk
+
+weak_alias (__brk, brk)