gdb/osabi.h

   1 /* OS ABI variant handling for GDB.
   2    Copyright (C) 2001, 2002, 2003, 2007, 2008, 2009, 2010
   3    Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program 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 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public 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, see <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef OSABI_H
  21 #define OSABI_H
  22
  23 /* Register an OS ABI sniffer.  Each arch/flavour may have more than
  24    one sniffer.  This is used to e.g. differentiate one OS's a.out from
  25    another.  The first sniffer to return something other than
  26    GDB_OSABI_UNKNOWN wins, so a sniffer should be careful to claim a file
  27    only if it knows for sure what it is.  */
  28 void gdbarch_register_osabi_sniffer (enum bfd_architecture,
  29                                      enum bfd_flavour,
  30                                      enum gdb_osabi (*)(bfd *));
  31
  32 /* Register a handler for an OS ABI variant for a given architecture
  33    and machine type.  There should be only one handler for a given OS
  34    ABI for each architecture and machine type combination.  */
  35 void gdbarch_register_osabi (enum bfd_architecture, unsigned long,
  36                              enum gdb_osabi,
  37                              void (*)(struct gdbarch_info,
  38                                       struct gdbarch *));
  39
  40 /* Lookup the OS ABI corresponding to the specified BFD.  */
  41 enum gdb_osabi gdbarch_lookup_osabi (bfd *);
  42
  43 /* Lookup the OS ABI corresponding to the specified target description
  44    string.  */
  45 enum gdb_osabi osabi_from_tdesc_string (const char *text);
  46
  47 /* Initialize the gdbarch for the specified OS ABI variant.  */
  48 void gdbarch_init_osabi (struct gdbarch_info, struct gdbarch *);
  49
  50 /* Return the name of the specified OS ABI.  */
  51 const char *gdbarch_osabi_name (enum gdb_osabi);
  52
  53 /* Helper routine for ELF file sniffers.  This looks at ABI tag note
  54    sections to determine the OS ABI from the note.  It should be called
  55    via bfd_map_over_sections.  */
  56 void generic_elf_osabi_sniff_abi_tag_sections (bfd *, asection *, void *);
  57
  58 #endif /* OSABI_H */