[PATCH 0/2] [gdb] TSAN fixes

[Tom de Vries <tdevries@suse.de>]

I build gdb with TSAN at -O0, ran the testsuite and found a few problems.

This series fixes those.

The first patch is a refactoring patch.

The second patch removes a local lock in try_open_dwop_file.

Changes since v1:
- commited an approved patch [1]
- combined two patches related to the local lock in try_open_dwop_file
- replaced last patch by new patch changing the locking scheme

Changes since v2:
- committed another approved patch [2]
- use gdb_bfd_check_format consistently instead of just once
- add gdb_bfd_check_format_matches, addressing the same issue as for
  gdb_bfd_check_format
- factor out refactoring patch, to make it easier to review

[1] https://sourceware.org/pipermail/gdb-patches/2026-January/224422.html
[2] https://sourceware.org/pipermail/gdb-patches/2026-February/225028.html

Versions:
- v1 https://sourceware.org/pipermail/gdb-patches/2026-January/224424.html
- v2 https://sourceware.org/pipermail/gdb-patches/2026-February/225027.html

Tom de Vries (2):
  [gdb] Add gdb_bfd_check_format and gdb_bfd_check_format_matches
  [gdb/symtab] Fix data race in try_open_dwop_file

 gdb/build-id.c                    |  4 ++--
 gdb/cli/cli-dump.c                |  2 +-
 gdb/compile/compile-object-load.c |  2 +-
 gdb/corelow.c                     |  8 ++++----
 gdb/dwarf2/dwz.c                  |  2 +-
 gdb/dwarf2/read.c                 | 15 ++++-----------
 gdb/exec.c                        |  2 +-
 gdb/gdb_bfd.c                     | 24 ++++++++++++++++++++++--
 gdb/gdb_bfd.h                     | 11 ++++++++++-
 gdb/i386-darwin-tdep.c            |  2 +-
 gdb/jit.c                         |  2 +-
 gdb/machoread.c                   |  6 +++---
 gdb/minidebug.c                   |  2 +-
 gdb/solib-aix.c                   |  6 +++---
 gdb/solib-rocm.c                  |  2 +-
 gdb/solib.c                       |  4 ++--
 gdb/symfile-mem.c                 |  2 +-
 gdb/symfile.c                     |  6 +++---
 gdb/windows-nat.c                 |  2 +-
 19 files changed, 63 insertions(+), 41 deletions(-)


base-commit: d623dadc2c4ecd509359015ae5a1ac856ba89b05
-- 
2.51.0