gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / ld / sysdep.h

/* sysdep.h -- handle host dependencies for the GNU linker
   Copyright (C) 1995-2020 Free Software Foundation, Inc.

   This file is part of the GNU Binutils.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */

#ifndef LD_SYSDEP_H
#define LD_SYSDEP_H

#ifdef PACKAGE
#error sysdep.h must be included in lieu of config.h
#endif

#include "config.h"

#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdarg.h>

#ifdef STRING_WITH_STRINGS
#include <string.h>
#include <strings.h>
#else
#ifdef HAVE_STRING_H
#include <string.h>
#else
#ifdef HAVE_STRINGS_H
#include <strings.h>
#else
extern char *strchr ();
extern char *strrchr ();
#endif
#endif
#endif

#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif

#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

#ifdef HAVE_REALPATH
# define REALPATH(a,b) realpath (a, b)
#else
# define REALPATH(a,b) NULL
#endif

#ifdef USE_BINARY_FOPEN
#include "fopen-bin.h"
#else
#include "fopen-same.h"
#endif

#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#else
#ifdef HAVE_SYS_FILE_H
#include <sys/file.h>
#endif
#endif

#ifdef HAVE_DLFCN_H
#include <dlfcn.h>
#endif

#ifndef O_RDONLY
#define O_RDONLY 0
#endif
#ifndef O_WRONLY
#define O_WRONLY 1
#endif
#ifndef O_RDWR
#define O_RDWR 2
#endif
#ifndef O_ACCMODE
#define O_ACCMODE (O_RDONLY | O_WRONLY | O_RDWR)
#endif
/* Systems that don't already define this, don't need it.  */
#ifndef O_BINARY
#define O_BINARY 0
#endif

#ifndef SEEK_SET
#define SEEK_SET 0
#endif
#ifndef SEEK_CUR
#define SEEK_CUR 1
#endif
#ifndef SEEK_END
#define SEEK_END 2
#endif

#if !HAVE_DECL_STRSTR
extern char *strstr ();
#endif

#if !HAVE_DECL_FREE
extern void free ();
#endif

#if !HAVE_DECL_GETENV
extern char *getenv ();
#endif

#if !HAVE_DECL_ENVIRON
extern char **environ;
#endif

#endif /* ! defined (LD_SYSDEP_H) */