[Bug ld/13301] Wrong linker relaxation for TLS_LDM_CALL and TLS_GD_CALL on SPARC

[cvs-commit at gcc dot gnu.org]

http://sourceware.org/bugzilla/show_bug.cgi?id=13301

--- Comment #2 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> 2011-10-19 00:38:56 UTC ---
CVSROOT:    /cvs/src
Module name:    src
Branch:     binutils-2_22-branch
Changes by:    address@hidden    2011-10-19 00:38:54

Modified files:
    bfd            : ChangeLog elfxx-sparc.c 
    gold           : ChangeLog sparc.cc 
    ld/testsuite   : ChangeLog 
    ld/testsuite/ld-sparc: tlssunbin32.dd tlssunbin64.dd 
                           tlssunpic32.dd tlssunpic64.dd 

Log message:
    Fix sparc TLS call relaxation when the delay slot sets up %o0.

    bfd/

    PR binutils/13301
    * elfxx-sparc.c (sparc_elf_find_reloc_at_ofs): New function.
    (_bfd_sparc_elf_relocate_section): Always move the __tls_get_addr
    call delay slot instruction forward 4 bytes when performing
    relaxation.

    gold/

    PR binutils/13301
    * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
    member to track relocation locations that have moved during TLS
    reloc optimizations.
    (Target_sparc::Relocate::Relocate): Initialize to NULL.
    (Target_sparc::Relocate::relocate): Adjust view down by 4
    bytes if it matches reloc_adjust_addr_.
    (Target_sparc::Relocate::relocate_tls): Always move the
    __tls_get_addr call delay slot instruction forward 4 bytes when
    performing relaxation.

    ld/testsuite/

    * ld-sparc/tlssunbin32.dd: Update for TLS call relaxation fix
    for PR 13301.
    * ld-sparc/tlssunbin64.dd: Likewise.
    * ld-sparc/tlssunpic32.dd: Likewise.
    * ld-sparc/tlssunpic64.dd: Likewise.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/ChangeLog.diff?cvsroot=src&only_with_tag=binutils-2_22-branch&r1=1.5473.2.6&r2=1.5473.2.7
http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/elfxx-sparc.c.diff?cvsroot=src&only_with_tag=binutils-2_22-branch&r1=1.60&r2=1.60.2.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gold/ChangeLog.diff?cvsroot=src&only_with_tag=binutils-2_22-branch&r1=1.824.2.1&r2=1.824.2.2
http://sourceware.org/cgi-bin/cvsweb.cgi/src/gold/sparc.cc.diff?cvsroot=src&only_with_tag=binutils-2_22-branch&r1=1.48&r2=1.48.2.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ChangeLog.diff?cvsroot=src&only_with_tag=binutils-2_22-branch&r1=1.1460.2.3&r2=1.1460.2.4
http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-sparc/tlssunbin32.dd.diff?cvsroot=src&only_with_tag=binutils-2_22-branch&r1=1.3&r2=1.3.20.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-sparc/tlssunbin64.dd.diff?cvsroot=src&only_with_tag=binutils-2_22-branch&r1=1.2&r2=1.2.20.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-sparc/tlssunpic32.dd.diff?cvsroot=src&only_with_tag=binutils-2_22-branch&r1=1.3&r2=1.3.20.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-sparc/tlssunpic64.dd.diff?cvsroot=src&only_with_tag=binutils-2_22-branch&r1=1.2&r2=1.2.20.1

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