diff options
Diffstat (limited to 'gdb/dwarf2')
| -rw-r--r-- | gdb/dwarf2/read.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gdb/dwarf2/read.c b/gdb/dwarf2/read.c index 6849644..d6b34d8 100644 --- a/gdb/dwarf2/read.c +++ b/gdb/dwarf2/read.c @@ -83,6 +83,7 @@ #include "rust-lang.h" #include "gdbsupport/pathstuff.h" #include "count-one-bits.h" +#include "debuginfod-support.h" /* When == 1, print basic high level tracing messages. When > 1, be more verbose. @@ -2147,6 +2148,29 @@ dwarf2_get_dwz_file (struct dwarf2_per_objfile *dwarf2_per_objfile) if (dwz_bfd == NULL) dwz_bfd = build_id_to_debug_bfd (buildid_len, buildid); + if (dwz_bfd == nullptr) + { + gdb::unique_xmalloc_ptr<char> alt_filename; + const char *origname = dwarf2_per_objfile->objfile->original_name; + + scoped_fd fd (debuginfod_debuginfo_query (buildid, + buildid_len, + origname, + &alt_filename)); + + if (fd.get () >= 0) + { + /* File successfully retrieved from server. */ + dwz_bfd = gdb_bfd_open (alt_filename.get (), gnutarget, -1); + + if (dwz_bfd == nullptr) + warning (_("File \"%s\" from debuginfod cannot be opened as bfd"), + alt_filename.get ()); + else if (!build_id_verify (dwz_bfd.get (), buildid_len, buildid)) + dwz_bfd.reset (nullptr); + } + } + if (dwz_bfd == NULL) error (_("could not find '.gnu_debugaltlink' file for %s"), objfile_name (dwarf2_per_objfile->objfile)); |