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1/* Copyright (C) 1994-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
17
18#ifdef __ASSEMBLER__
19
20/* Get the Mach definitions of ENTRY and kernel_trap. */
21#include <mach/machine/syscall_sw.h>
22
23/* The Mach definitions assume underscores should be prepended to
24 symbol names. Redefine them to do so only when appropriate. */
25#undef EXT
26#undef LEXT
27#define EXT(x) C_SYMBOL_NAME(x)
28#define LEXT(x) C_SYMBOL_NAME(x##:)
29
30/* For ELF we need to add the `.type' directive to make shared libraries
31 work right. */
32#undef ENTRY
33#define ENTRY(name) \
34 .globl name; \
35 .align ALIGN; \
36 .type name,@function; \
37 name:
38
39#endif
40
41/* This is invoked by things run when there is random lossage, before they
42 try to do anything else. Just to be safe, deallocate the reply port so
43 bogons arriving on it don't foul up future RPCs. */
44
45#ifndef __ASSEMBLER__
46#define FATAL_PREPARE_INCLUDE <mach/mig_support.h>
47#define FATAL_PREPARE __mig_dealloc_reply_port (MACH_PORT_NULL)
48#endif
49
50/* sysdeps/mach/MACHINE/sysdep.h should define the following macros. */
51
52/* Produce a text assembler label for the C global symbol NAME. */
53#ifndef ENTRY
54#define ENTRY(name) .error ENTRY not defined by sysdeps/mach/MACHINE/sysdep.h
55/* This is not used on all machines. */
56#endif
57
58/* Set variables ARGC, ARGV, and ENVP for the arguments
59 left on the stack by the microkernel. */
60#ifndef SNARF_ARGS
61#define SNARF_ARGS(argc, argv, envp)
62#error SNARF_ARGS not defined by sysdeps/mach/MACHINE/sysdep.h
63#endif
64
65/* Call the C function FN with no arguments,
66 on a stack starting at SP (as returned by *_cthread_init_routine).
67 You don't need to deal with FN returning; it shouldn't. */
68#ifndef CALL_WITH_SP
69#define CALL_WITH_SP(fn, sp)
70#error CALL_WITH_SP not defined by sysdeps/mach/MACHINE/sysdep.h
71#endif
72
73/* LOSE can be defined as the `halt' instruction or something
74 similar which will cause the process to die in a characteristic
75 way suggesting a bug. */
76#ifndef LOSE
77#define LOSE ({ volatile int zero = 0; zero / zero; })
78#endif
79
80/* One of these should be defined to specify the stack direction. */
81#if !defined (STACK_GROWTH_UP) && !defined (STACK_GROWTH_DOWN)
82#error stack direction unspecified
83#endif
84
85/* Used by some assembly code. */
86#define C_SYMBOL_NAME(name) name
87

Warning: That file was not part of the compilation database. It may have many parsing errors.