gdb/debuginfod-support.h

   1 /* debuginfod utilities for GDB.
   2    Copyright (C) 2020 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 DEBUGINFOD_SUPPORT_H
  20 #define DEBUGINFOD_SUPPORT_H
  21
  22 /* Query debuginfod servers for a source file associated with an
  23    executable with BUILD_ID.  BUILD_ID can be given as a binary blob or
  24    a null-terminated string.  If given as a binary blob, BUILD_ID_LEN
  25    should be the number of bytes.  If given as a null-terminated string,
  26    BUILD_ID_LEN should be 0.
  27
  28    SRC_PATH should be the source file's absolute path that includes the
  29    compilation directory of the CU associated with the source file.
  30    For example if a CU's compilation directory is `/my/build` and the
  31    source file path is `/my/source/foo.c`, then SRC_PATH should be
  32    `/my/build/../source/foo.c`.
  33
  34    If the file is successfully retrieved, its path on the local machine
  35    is stored in DESTNAME.  If GDB is not built with debuginfod, this
  36    function returns -ENOSYS.  */
  37
  38 extern scoped_fd
  39 debuginfod_source_query (const unsigned char *build_id,
  40                          int build_id_len,
  41                          const char *src_path,
  42                          gdb::unique_xmalloc_ptr<char> *destname);
  43
  44 /* Query debuginfod servers for a debug info file with BUILD_ID.
  45    BUILD_ID can be given as a binary blob or a null-terminated string.
  46    If given as a binary blob, BUILD_ID_LEN should be the number of bytes.
  47    If given as a null-terminated string, BUILD_ID_LEN should be 0.
  48
  49    FILENAME should be the name or path of the main binary associated with
  50    the separate debug info.  It is used for printing messages to the user.
  51
  52    If the file is successfully retrieved, its path on the local machine
  53    is stored in DESTNAME.  If GDB is not built with debuginfod, this
  54    function returns -ENOSYS.  */
  55
  56 extern scoped_fd
  57 debuginfod_debuginfo_query (const unsigned char *build_id,
  58                             int build_id_len,
  59                             const char *filename,
  60                             gdb::unique_xmalloc_ptr<char> *destname);
  61
  62 #endif /* DEBUGINFOD_SUPPORT_H */