[PATCH 0/9 v2] Fix thread-safety for elfutils

[Aaron Merey]

v1 can be found at
https://sourceware.org/pipermail/elfutils-devel/2023q3/006329.html

Heather McIntyre is the original author of v1 of these patches.
Heather and myself co-wrote v2.

Aaron Merey (9):
  libelf: Fix deadlock in __libelf_readall
  libelf: Fix deadlock in elf_cntl
  lib: Add eu_tsearch, eu_tfind, eu_tdelete and eu_tdestroy
  libdw: make dwarf_getalt thread-safe
  libdwP.h: Add locking to __libdw_dieabbrev
  libdw: Make libdw_find_split_unit thread-safe
  libdw: Make libdw_findcu thread-safe
  tests: Add eu-search tests
  configure: No longer mark --enable-thread-safety as EXPERIMENTAL

 configure.ac                  |   6 +-
 lib/Makefile.am               |   5 +-
 lib/eu-config.h               |  30 +---
 lib/eu-search.c               |  85 +++++++++++
 lib/eu-search.h               |  64 +++++++++
 lib/locks.h                   |  62 ++++++++
 libdw/cfi.h                   |   6 +-
 libdw/cie.c                   |  10 +-
 libdw/dwarf_begin_elf.c       |   7 +-
 libdw/dwarf_end.c             |  17 +--
 libdw/dwarf_formref_die.c     |   2 +
 libdw/dwarf_getalt.c          |  18 ++-
 libdw/dwarf_getcfi.c          |   5 +-
 libdw/dwarf_getlocation.c     |  24 ++--
 libdw/dwarf_getmacros.c       |   6 +-
 libdw/dwarf_getsrclines.c     |   8 +-
 libdw/dwarf_setalt.c          |   4 +
 libdw/fde.c                   |   6 +-
 libdw/frame-cache.c           |   8 +-
 libdw/libdwP.h                |  49 +++++--
 libdw/libdw_find_split_unit.c |  18 ++-
 libdw/libdw_findcu.c          |  65 +++++----
 libdwfl/cu.c                  |   8 +-
 libdwfl/dwfl_module.c         |   4 +-
 libdwfl/libdwflP.h            |   3 +-
 libelf/common.h               |  16 +--
 libelf/elf_begin.c            |   2 +
 libelf/elf_cntl.c             |   7 +-
 libelf/elf_end.c              |  13 +-
 libelf/elf_getdata_rawchunk.c |  12 +-
 libelf/elf_readall.c          |   4 +-
 libelf/libelfP.h              |  10 +-
 tests/.gitignore              |   4 +
 tests/Makefile.am             |  19 ++-
 tests/eu_search_cfi.c         | 234 ++++++++++++++++++++++++++++++
 tests/eu_search_die.c         | 262 ++++++++++++++++++++++++++++++++++
 tests/eu_search_lines.c       | 228 +++++++++++++++++++++++++++++
 tests/eu_search_macros.c      | 216 ++++++++++++++++++++++++++++
 tests/run-eu-search-tests.sh  | 168 ++++++++++++++++++++++
 39 files changed, 1553 insertions(+), 162 deletions(-)
 create mode 100644 lib/eu-search.c
 create mode 100644 lib/eu-search.h
 create mode 100644 lib/locks.h
 create mode 100644 tests/eu_search_cfi.c
 create mode 100644 tests/eu_search_die.c
 create mode 100644 tests/eu_search_lines.c
 create mode 100644 tests/eu_search_macros.c
 create mode 100755 tests/run-eu-search-tests.sh

-- 
2.45.2