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From: "H.J. Lu" <hjl.tools@gmail.com>
To: binutils@sourceware.org
Cc: Kaylee Blake <klkblake@gmail.com>
Subject: [PATCH 0/6] ELF: Strip section header in ELF objects
Date: Tue, 30 May 2023 10:12:46 -0700	[thread overview]
Message-ID: <20230530171252.269552-1-hjl.tools@gmail.com> (raw)

Section header isn't mandatory on ELF executable nor shared library.
This patch set adds a new linker option, -z nosectionheader, to omit ELF
section header, an new objcopy and strip option, --strip-sections, to
remove ELF section header.

H.J. Lu (4):
  bfd: Improve nm and objdump without section header
  binutils: Add a --strip-sections test
  ld: Add tests for -z nosectionheader and --strip-sections
  ld: Add -z nosectionheader test to bootstrap.exp

Kaylee Blake (2):
  ELF: Strip section header in ELF objects
  ld: Add a simple test for -z nosectionheader

 bfd/bfd-in2.h                                 |   6 +-
 bfd/bfd.c                                     |   6 +-
 bfd/elf-bfd.h                                 |  15 +
 bfd/elf.c                                     | 738 ++++++++++++++++--
 bfd/elfcode.h                                 |  91 ++-
 bfd/elflink.c                                 |  12 +
 bfd/elfxx-target.h                            |   4 +-
 binutils/NEWS                                 |   5 +-
 binutils/doc/binutils.texi                    |  10 +
 binutils/objcopy.c                            |  33 +-
 binutils/testsuite/binutils-all/objcopy.exp   |   5 +
 .../testsuite/binutils-all/strip-sections-1.d |   5 +
 ld/NEWS                                       |   3 +
 ld/emultempl/elf.em                           |   4 +
 ld/ld.h                                       |   3 +
 ld/ld.texi                                    |   5 +
 ld/ldlang.c                                   |   4 +
 ld/lexsup.c                                   |   8 +
 ld/testsuite/ld-bootstrap/bootstrap.exp       |  10 +-
 ld/testsuite/ld-elf/hash-2.d                  |  11 +
 ld/testsuite/ld-elf/no-section-header.exp     | 370 +++++++++
 ld/testsuite/ld-elf/nosectionheader.d         |  12 +
 ld/testsuite/ld-elf/pr25617-1-no-sec-hdr.nd   |   3 +
 ld/testsuite/ld-elf/pr25617-1-no-sec-hdr.rd   |  20 +
 .../ld-elf/pr25617-1-static-no-sec-hdr.rd     |  12 +
 ld/testsuite/ld-elf/pr25617-1a-no-sec-hdr.nd  |   3 +
 ld/testsuite/ld-elf/pr25617-1a-no-sec-hdr.rd  |  20 +
 ld/testsuite/ld-elf/pr25617-1a-sec-hdr.rd     |  19 +
 ld/testsuite/ld-elf/pr25617-1a.c              |  11 +
 ld/testsuite/ld-elf/pr25617-1b.c              |  15 +
 ld/testsuite/ld-elf/start-noheader.rd         |  11 +
 .../ld-elf/start-shared-noheader-gnu.rd       |  22 +
 .../ld-elf/start-shared-noheader-sysv.rd      |  22 +
 ld/testsuite/ld-elf/start-shared-noheader.nd  |   5 +
 34 files changed, 1439 insertions(+), 84 deletions(-)
 create mode 100644 binutils/testsuite/binutils-all/strip-sections-1.d
 create mode 100644 ld/testsuite/ld-elf/hash-2.d
 create mode 100644 ld/testsuite/ld-elf/no-section-header.exp
 create mode 100644 ld/testsuite/ld-elf/nosectionheader.d
 create mode 100644 ld/testsuite/ld-elf/pr25617-1-no-sec-hdr.nd
 create mode 100644 ld/testsuite/ld-elf/pr25617-1-no-sec-hdr.rd
 create mode 100644 ld/testsuite/ld-elf/pr25617-1-static-no-sec-hdr.rd
 create mode 100644 ld/testsuite/ld-elf/pr25617-1a-no-sec-hdr.nd
 create mode 100644 ld/testsuite/ld-elf/pr25617-1a-no-sec-hdr.rd
 create mode 100644 ld/testsuite/ld-elf/pr25617-1a-sec-hdr.rd
 create mode 100644 ld/testsuite/ld-elf/pr25617-1a.c
 create mode 100644 ld/testsuite/ld-elf/pr25617-1b.c
 create mode 100644 ld/testsuite/ld-elf/start-noheader.rd
 create mode 100644 ld/testsuite/ld-elf/start-shared-noheader-gnu.rd
 create mode 100644 ld/testsuite/ld-elf/start-shared-noheader-sysv.rd
 create mode 100644 ld/testsuite/ld-elf/start-shared-noheader.nd

-- 
2.40.1


             reply	other threads:[~2023-05-30 17:12 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-30 17:12 H.J. Lu [this message]
2023-05-30 17:12 ` [PATCH 1/6] " H.J. Lu
2023-05-31  1:38   ` Alan Modra
2023-05-31 17:15     ` H.J. Lu
2023-05-31 23:43       ` Alan Modra
2023-05-30 17:12 ` [PATCH 2/6] bfd: Improve nm and objdump without section header H.J. Lu
2023-05-30 17:12 ` [PATCH 3/6] ld: Add a simple test for -z nosectionheader H.J. Lu
2023-05-30 17:12 ` [PATCH 4/6] binutils: Add a --strip-sections test H.J. Lu
2023-05-30 17:12 ` [PATCH 5/6] ld: Add tests for -z nosectionheader and --strip-sections H.J. Lu
2023-05-30 17:12 ` [PATCH 6/6] ld: Add -z nosectionheader test to bootstrap.exp H.J. Lu
2023-05-30 18:45 ` [PATCH 0/6] ELF: Strip section header in ELF objects Andreas Schwab
2023-05-30 18:51   ` H.J. Lu
2023-06-01 18:24     ` Fangrui Song
  -- strict thread matches above, loose matches on Subject: below --
2023-05-30 17:12 H.J. Lu
2020-03-21  0:08 H.J. Lu

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