[Bug ld/17277] ld -shared: bogus DT_TEXTREL marker (and R_ARM_NONE) for PC-relative cross-section relocs (e.g. movw/movt)

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=17277

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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=b08b9f0894e43f0bb966f3ad9094a4405ce6f570

commit b08b9f0894e43f0bb966f3ad9094a4405ce6f570
Author: Roland McGrath <address@hidden>
Date:   Wed Aug 20 10:12:57 2014 -0700

    Fix PR ld/17277: bogus dynamic relocs and TEXTREL for ARM PC-relative
relocs

    bfd/
        PR ld/17277
        * elf32-arm.c (elf32_arm_check_relocs): Increment P->pc_count for
        all reloc types with pc_relative set in the howto, not just for
        R_ARM_REL32 and R_ARM_REL32_NOI.
        (allocate_dynrelocs_for_symbol): Update comment.
        (elf32_arm_gc_sweep_hook): For all reloc types with pc_relative
        set in the howto, set call_reloc_p and may_need_local_target_p but
        not may_become_dynamic_p; not only for R_ARM_REL32 and R_ARM_REL32_NOI.
        (elf32_arm_check_relocs): Likewise.

    ld/testsuite/
        PR ld/17277
        * ld-arm/pcrel-shared.s: New file.
        * ld-arm/pcrel-shared.rd: New file.
        * ld-arm/arm-elf.exp (armelftests_common): Add it.

    (cherry picked from commit 469a34932ae4208240e98c843b01ea1f00892137)

-----------------------------------------------------------------------

Summary of changes:
 bfd/ChangeLog                       |   12 ++++++++++++
 bfd/elf32-arm.c                     |   18 +++++++++---------
 ld/testsuite/ChangeLog              |    7 +++++++
 ld/testsuite/ld-arm/arm-elf.exp     |    4 ++++
 ld/testsuite/ld-arm/pcrel-shared.rd |   16 ++++++++++++++++
 ld/testsuite/ld-arm/pcrel-shared.s  |   25 +++++++++++++++++++++++++
 6 files changed, 73 insertions(+), 9 deletions(-)
 create mode 100644 ld/testsuite/ld-arm/pcrel-shared.rd
 create mode 100644 ld/testsuite/ld-arm/pcrel-shared.s

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