From 28f540f45bbacd939bfd07f213bcad2bf730b1bf Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@gnu.org>
Date: Sat, 18 Feb 1995 01:27:10 +0000
Subject: initial import

---
 sysdeps/mach/sysdep.h | 82 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 sysdeps/mach/sysdep.h

(limited to 'sysdeps/mach/sysdep.h')

diff --git a/sysdeps/mach/sysdep.h b/sysdeps/mach/sysdep.h
new file mode 100644
index 0000000000..9a8dbd5163
--- /dev/null
+++ b/sysdeps/mach/sysdep.h
@@ -0,0 +1,82 @@
+/* Copyright (C) 1994, 1995 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.  */
+
+#ifdef ASSEMBLER
+
+/* Get the Mach definitions of ENTRY and kernel_trap.  */
+#include <mach/machine/syscall_sw.h>
+
+/* The Mach definitions assume underscores should be prepended to
+   symbol names.  Redefine them to do so only when appropriate.  */
+#undef EXT
+#undef LEXT
+#define EXT(x) C_SYMBOL_NAME(x)
+#define LEXT(x) C_SYMBOL_NAME(x##:)
+
+#endif
+
+/* This is invoked by things run when there is random lossage, before they
+   try to do anything else.  Just to be safe, deallocate the reply port so
+   bogons arriving on it don't foul up future RPCs.  */
+
+#ifndef ASSEMBLER
+#define FATAL_PREPARE_INCLUDE <mach/mig_support.h>
+#define FATAL_PREPARE __mig_dealloc_reply_port (MACH_PORT_NULL)
+#endif
+
+/* sysdeps/mach/MACHINE/sysdep.h should define the following macros.  */
+
+/* Produce a text assembler label for the C global symbol NAME.  */
+#ifndef ENTRY
+#define ENTRY(name) .error ENTRY not defined by sysdeps/mach/MACHINE/sysdep.h
+/* This is not used on all machines.  */
+#endif
+
+/* Set variables ARGC, ARGV, and ENVP for the arguments
+   left on the stack by the microkernel.  */
+#ifndef SNARF_ARGS
+#define SNARF_ARGS(argc, argv, envp)
+#error SNARF_ARGS not defined by sysdeps/mach/MACHINE/sysdep.h
+#endif
+
+/* Call the C function FN with no arguments,
+   on a stack starting at SP (as returned by *_cthread_init_routine).
+   You don't need to deal with FN returning; it shouldn't.  */
+#ifndef	CALL_WITH_SP
+#define CALL_WITH_SP(fn, sp)
+#error CALL_WITH_SP not defined by sysdeps/mach/MACHINE/sysdep.h
+#endif
+
+/* LOSE can be defined as the `halt' instruction or something
+   similar which will cause the process to die in a characteristic
+   way suggesting a bug.  */
+#ifndef LOSE
+#define	LOSE	({ volatile int zero = 0; zero / zero; })
+#endif
+
+/* One of these should be defined to specify the stack direction.  */
+#if !defined (STACK_GROWTH_UP) && !defined (STACK_GROWTH_DOWN)
+#error stack direction unspecified
+#endif
+
+/* Used by some assembly code.  */
+#ifdef NO_UNDERSCORES
+#define C_SYMBOL_NAME(name)	name
+#else
+#define C_SYMBOL_NAME(name)	_##name
+#endif
-- 
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