xref: /openbsd/gnu/usr.bin/binutils/gdb/osabi.h (revision 771fbea0)
1 /* OS ABI variant handling for GDB.
2    Copyright 2001, 2002, 2003 Free Software Foundation, Inc.
3 
4    This file is part of GDB.
5 
6    This program is free software; you can redistribute it and/or modify
7    it under the terms of the GNU General Public License as published by
8    the Free Software Foundation; either version 2 of the License, or
9    (at your option) any later version.
10 
11    This program is distributed in the hope that it will be useful,
12    but WITHOUT ANY WARRANTY; without even the implied warranty of
13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14    GNU General Public License for more details.
15 
16    You should have received a copy of the GNU General Public License
17    along with this program; if not, write to the Free Software
18    Foundation, Inc., 59 Temple Place - Suite 330,
19    Boston, MA 02111-1307, USA.  */
20 
21 #ifndef OSABI_H
22 #define OSABI_H
23 
24 /* Register an OS ABI sniffer.  Each arch/flavour may have more than
25    one sniffer.  This is used to e.g. differentiate one OS's a.out from
26    another.  The first sniffer to return something other than
27    GDB_OSABI_UNKNOWN wins, so a sniffer should be careful to claim a file
28    only if it knows for sure what it is.  */
29 void gdbarch_register_osabi_sniffer (enum bfd_architecture,
30 				     enum bfd_flavour,
31 				     enum gdb_osabi (*)(bfd *));
32 
33 /* Register a handler for an OS ABI variant for a given architecture
34    and machine type.  There should be only one handler for a given OS
35    ABI for each architecture and machine type combination.  */
36 void gdbarch_register_osabi (enum bfd_architecture, unsigned long,
37 			     enum gdb_osabi,
38                              void (*)(struct gdbarch_info,
39 				      struct gdbarch *));
40 
41 /* Lookup the OS ABI corresponding to the specified BFD.  */
42 enum gdb_osabi gdbarch_lookup_osabi (bfd *);
43 
44 /* Initialize the gdbarch for the specified OS ABI variant.  */
45 void gdbarch_init_osabi (struct gdbarch_info, struct gdbarch *);
46 
47 /* Return the name of the specified OS ABI.  */
48 const char *gdbarch_osabi_name (enum gdb_osabi);
49 
50 /* Helper routine for ELF file sniffers.  This looks at ABI tag note
51    sections to determine the OS ABI from the note.  It should be called
52    via bfd_map_over_sections.  */
53 void generic_elf_osabi_sniff_abi_tag_sections (bfd *, asection *, void *);
54 
55 #endif /* OSABI_H */
56