mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-27 03:41:23 +08:00
83 lines
2.8 KiB
C
83 lines
2.8 KiB
C
|
/* 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
|