tools/perf/util/debuginfo.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 #ifndef _PERF_DEBUGINFO_H
   3 #define _PERF_DEBUGINFO_H
   4
   5 #include <errno.h>
   6 #include <linux/compiler.h>
   7
   8 #ifdef HAVE_LIBDW_SUPPORT
   9
  10 #include "dwarf-aux.h"
  11
  12 /* debug information structure */
  13 struct debuginfo {
  14         Dwarf           *dbg;
  15         Dwfl_Module     *mod;
  16         Dwfl            *dwfl;
  17         Dwarf_Addr      bias;
  18         const unsigned char     *build_id;
  19 };
  20
  21 /* This also tries to open distro debuginfo */
  22 struct debuginfo *debuginfo__new(const char *path);
  23 void debuginfo__delete(struct debuginfo *dbg);
  24
  25 int debuginfo__get_text_offset(struct debuginfo *dbg, Dwarf_Addr *offs,
  26                                bool adjust_offset);
  27
  28 #else /* HAVE_LIBDW_SUPPORT */
  29
  30 /* dummy debug information structure */
  31 struct debuginfo {
  32 };
  33
  34 static inline struct debuginfo *debuginfo__new(const char *path __maybe_unused)
  35 {
  36         return NULL;
  37 }
  38
  39 static inline void debuginfo__delete(struct debuginfo *dbg __maybe_unused)
  40 {
  41 }
  42
  43 typedef void Dwarf_Addr;
  44
  45 static inline int debuginfo__get_text_offset(struct debuginfo *dbg __maybe_unused,
  46                                              Dwarf_Addr *offs __maybe_unused,
  47                                              bool adjust_offset __maybe_unused)
  48 {
  49         return -EINVAL;
  50 }
  51
  52 #endif /* HAVE_LIBDW_SUPPORT */
  53
  54 #ifdef HAVE_DEBUGINFOD_SUPPORT
  55 int get_source_from_debuginfod(const char *raw_path, const char *sbuild_id,
  56                                char **new_path);
  57 #else /* HAVE_DEBUGINFOD_SUPPORT */
  58 static inline int get_source_from_debuginfod(const char *raw_path __maybe_unused,
  59                                              const char *sbuild_id __maybe_unused,
  60                                              char **new_path __maybe_unused)
  61 {
  62         return -ENOTSUP;
  63 }
  64 #endif /* HAVE_DEBUGINFOD_SUPPORT */
  65
  66 #endif /* _PERF_DEBUGINFO_H */