opcodes/sysdep.h

   1 /* Random host-dependent support code.
   2    Copyright (C) 1995-2023 Free Software Foundation, Inc.
   3    Written by Ken Raeburn.
   4
   5    This file is part of the GNU opcodes library.
   6
   7    This library is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3, or (at your option)
  10    any later version.
  11
  12    It is distributed in the hope that it will be useful, but WITHOUT
  13    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  15    License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  20    MA 02110-1301, USA.  */
  21
  22
  23 /* Do system-dependent stuff, mainly driven by autoconf-detected info.
  24
  25    Well, some generic common stuff is done here too, like including
  26    ansidecl.h.  That's because the .h files in bfd/hosts files I'm
  27    trying to replace often did that.  If it can be dropped from this
  28    file (check in a non-ANSI environment!), it should be.  */
  29
  30 #ifdef PACKAGE
  31 #error sysdep.h must be included in lieu of config.h
  32 #endif
  33
  34 #include "config.h"
  35 #include <stdlib.h>
  36 #include <string.h>
  37 #include "ansidecl.h"
  38
  39 #if !HAVE_DECL_STPCPY
  40 extern char *stpcpy (char *__dest, const char *__src);
  41 #endif
  42
  43 #define opcodes_error_handler _bfd_error_handler
  44
  45 /* Use sigsetjmp/siglongjmp without saving the signal mask if possible.
  46    It is faster than setjmp/longjmp on systems where the signal mask is
  47    saved.  */
  48
  49 #if defined(HAVE_SIGSETJMP)
  50 #define OPCODES_SIGJMP_BUF              sigjmp_buf
  51 #define OPCODES_SIGSETJMP(buf)          sigsetjmp((buf), 0)
  52 #define OPCODES_SIGLONGJMP(buf,val)     siglongjmp((buf), (val))
  53 #else
  54 #define OPCODES_SIGJMP_BUF              jmp_buf
  55 #define OPCODES_SIGSETJMP(buf)          setjmp(buf)
  56 #define OPCODES_SIGLONGJMP(buf,val)     longjmp((buf), (val))
  57 #endif
  58
  59 #define POISON_BFD_BOOLEAN 1