[PATCH V4 0/8] Add support for MTE stack tagging

[Jose E. Marchesi]

Hello people.

Thank you for your review on the V3 series of this series [1].  Indu
got busy with other stuff, so I am getting over this series with the
goal of hopefully having it applied before the freeze.

This V4 should address both Jan's and Richard's comments.

The style/formatting issues have been fixed as suggested.

The handling of architecture/machine specific augmentations have been
addressed following the strategy suggested by Richard, which is
implemented in three additional little patches.

[1] https://sourceware.org/pipermail/binutils/2025-June/141589.html

Indu Bhagat (5):
  binutils: make read_cie aware of new augmentation char 'G'
  gas: aarch64: suppport CFI directive .cfi_mte_tagged_frame
  ld: aarch64: make EH Frame parsing aware of augmentation char 'G'
  ld/aarch64elf: add support for DT_AARCH64_MEMTAG_MODE dynamic tag
  ld/aarch64elf: add support for DT_AARCH64_MEMTAG_STACK dynamic tag

Jose E. Marchesi (3):
  binutils: generalize init_dwarf_regnames_by_* functions
  binutils: factorize handling of arch-specific DWARF augmentations
  bfd: fix recognition of arch-specific augmentations

 bfd/elf-eh-frame.c                            |  4 ++
 bfd/elfnn-aarch64.c                           | 20 +++++++-
 bfd/elfxx-aarch64.h                           | 29 ++++++++++-
 binutils/dwarf.c                              | 28 +++++++++--
 binutils/dwarf.h                              |  6 +--
 binutils/objdump.c                            |  4 +-
 binutils/readelf.c                            |  9 ++--
 gas/config/tc-aarch64.c                       |  9 ++++
 gas/config/tc-aarch64.h                       | 23 ++++++---
 gas/doc/c-aarch64.texi                        |  8 ++++
 gas/testsuite/gas/aarch64/mte_tagged_stack.d  | 47 ++++++++++++++++++
 gas/testsuite/gas/aarch64/mte_tagged_stack.s  | 24 ++++++++++
 include/elf/aarch64.h                         |  2 +
 ld/emultempl/aarch64elf.em                    | 48 ++++++++++++++++++-
 ld/ld.texi                                    | 14 ++++++
 ld/testsuite/ld-aarch64/aarch64-elf.exp       |  4 ++
 ld/testsuite/ld-aarch64/dt-memtag-mode.d      |  7 +++
 ld/testsuite/ld-aarch64/dt-memtag-stack.d     |  7 +++
 ld/testsuite/ld-aarch64/dt-memtag.s           |  7 +++
 .../ld-aarch64/mte-tagged-frame-bar.s         | 17 +++++++
 .../ld-aarch64/mte-tagged-frame-foo.s         | 16 +++++++
 ld/testsuite/ld-aarch64/mte-tagged-frame.d    | 35 ++++++++++++++
 22 files changed, 344 insertions(+), 24 deletions(-)
 create mode 100644 gas/testsuite/gas/aarch64/mte_tagged_stack.d
 create mode 100644 gas/testsuite/gas/aarch64/mte_tagged_stack.s
 create mode 100644 ld/testsuite/ld-aarch64/dt-memtag-mode.d
 create mode 100644 ld/testsuite/ld-aarch64/dt-memtag-stack.d
 create mode 100644 ld/testsuite/ld-aarch64/dt-memtag.s
 create mode 100644 ld/testsuite/ld-aarch64/mte-tagged-frame-bar.s
 create mode 100644 ld/testsuite/ld-aarch64/mte-tagged-frame-foo.s
 create mode 100644 ld/testsuite/ld-aarch64/mte-tagged-frame.d

-- 
2.30.2