about summary refs log tree commit diff
path: root/sysdeps/mach/alpha/sysdep.h
diff options
context:
space:
mode:
authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /sysdeps/mach/alpha/sysdep.h
downloadglibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.tar.gz
glibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.tar.xz
glibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.zip
initial import
Diffstat (limited to 'sysdeps/mach/alpha/sysdep.h')
-rw-r--r--sysdeps/mach/alpha/sysdep.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/sysdeps/mach/alpha/sysdep.h b/sysdeps/mach/alpha/sysdep.h
new file mode 100644
index 0000000000..a32766270b
--- /dev/null
+++ b/sysdeps/mach/alpha/sysdep.h
@@ -0,0 +1,41 @@
+/* Copyright (C) 1994 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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#define MOVE(x,y)	mov x, y
+
+#define LOSE asm volatile ("call_pal 0") /* halt */
+
+#define START_MACHDEP \
+  asm ("_start:	mov	$30, $16\n" /* Put initial SP in a0.  */	      \
+       "	br	$27, 1f\n" /* Load GP from PC.  */		      \
+       "1:	ldgp	$29, 0($27)\n"					      \
+       "	jmp	$26, _start0");	/* Jump to _start0; don't return.  */
+#define START_ARGS	char **sparg
+#define SNARF_ARGS(argc, argv, envp) \
+  (envp = &(argv = &sparg[1])[(argc = *(int *) sparg) + 1])
+
+#define CALL_WITH_SP(fn, sp) \
+  ({ register long int __fn = (long int) fn, __sp = (long int) sp; \
+     asm volatile ("mov %0,$30; jmp $31, (%1); ldgp $29, 0(%1)" \
+		   : : "r" (__sp), "r" (__fn)); })
+
+#define ENTRY(name) LEAF(name, ***loser no arg count***)
+
+#define STACK_GROWTH_DOWN
+
+#include_next <sysdep.h>