gdb/osabi.h

   1 /* OS ABI variant handling for GDB.
   2    Copyright (C) 2001-2019 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 3 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, see <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef OSABI_H
  20 #define OSABI_H
  21
  22 /* Register an OS ABI sniffer.  Each arch/flavour may have more than
  23    one sniffer.  This is used to e.g. differentiate one OS's a.out from
  24    another.  The first sniffer to return something other than
  25    GDB_OSABI_UNKNOWN wins, so a sniffer should be careful to claim a file
  26    only if it knows for sure what it is.  */
  27 void gdbarch_register_osabi_sniffer (enum bfd_architecture,
  28                                      enum bfd_flavour,
  29                                      enum gdb_osabi (*)(bfd *));
  30
  31 /* Register a handler for an OS ABI variant for a given architecture
  32    and machine type.  There should be only one handler for a given OS
  33    ABI for each architecture and machine type combination.  */
  34 void gdbarch_register_osabi (enum bfd_architecture, unsigned long,
  35                              enum gdb_osabi,
  36                              void (*)(struct gdbarch_info,
  37                                       struct gdbarch *));
  38
  39 /* Lookup the OS ABI corresponding to the specified BFD.  */
  40 enum gdb_osabi gdbarch_lookup_osabi (bfd *);
  41
  42 /* Lookup the OS ABI corresponding to the specified target description
  43    string.  */
  44 enum gdb_osabi osabi_from_tdesc_string (const char *text);
  45
  46 /* Initialize the gdbarch for the specified OS ABI variant.  */
  47 void gdbarch_init_osabi (struct gdbarch_info, struct gdbarch *);
  48
  49 /* Return the name of the specified OS ABI.  */
  50 const char *gdbarch_osabi_name (enum gdb_osabi);
  51
  52 /* Return a regular expression that matches the OS part of a GNU
  53    configury triplet for the given OSABI.  */
  54 const char *osabi_triplet_regexp (enum gdb_osabi osabi);
  55
  56 /* Helper routine for ELF file sniffers.  This looks at ABI tag note
  57    sections to determine the OS ABI from the note.  It should be called
  58    via bfd_map_over_sections.  */
  59 void generic_elf_osabi_sniff_abi_tag_sections (bfd *, asection *, void *);
  60
  61 #endif /* OSABI_H */