gdb/build-id.h

   1 /* build-id-related functions.
   2
   3    Copyright (C) 1991-2020 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 BUILD_ID_H
  21 #define BUILD_ID_H
  22
  23 #include "gdb_bfd.h"
  24 #include "gdbsupport/rsp-low.h"
  25
  26 /* Locate NT_GNU_BUILD_ID from ABFD and return its content.  */
  27
  28 extern const struct bfd_build_id *build_id_bfd_get (bfd *abfd);
  29
  30 /* Return true if ABFD has NT_GNU_BUILD_ID matching the CHECK value.
  31    Otherwise, issue a warning and return false.  */
  32
  33 extern int build_id_verify (bfd *abfd,
  34                             size_t check_len, const bfd_byte *check);
  35
  36
  37 /* Find and open a BFD for a debuginfo file  given a build-id.  If no BFD
  38    can be found, return NULL.  */
  39
  40 extern gdb_bfd_ref_ptr build_id_to_debug_bfd (size_t build_id_len,
  41                                               const bfd_byte *build_id);
  42
  43 /* Find and open a BFD for an executable file given a build-id.  If no BFD
  44    can be found, return NULL.  The returned reference to the BFD must be
  45    released by the caller.  */
  46
  47 extern gdb_bfd_ref_ptr build_id_to_exec_bfd (size_t build_id_len,
  48                                              const bfd_byte *build_id);
  49
  50 /* Find the separate debug file for OBJFILE, by using the build-id
  51    associated with OBJFILE's BFD.  If successful, returns the file name for the
  52    separate debug file, otherwise, return an empty string.  */
  53
  54 extern std::string find_separate_debug_file_by_buildid
  55   (struct objfile *objfile);
  56
  57 /* Return an hex-string representation of BUILD_ID.  */
  58
  59 static inline std::string
  60 build_id_to_string (const bfd_build_id *build_id)
  61 {
  62   gdb_assert (build_id != NULL);
  63
  64   return bin2hex (build_id->data, build_id->size);
  65 }
  66
  67 #endif /* BUILD_ID_H */