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* x86: Add _CET_ENDBR to functions in crti.SH.J. Lu2018-07-171-0/+2
| | | | | | | | | | | | | | Add _CET_ENDBR to functions in crti.S, which are called indirectly, to support IBT. Tested on i686 and x86-64. Reviewed-by: Carlos O'Donell <carlos@redhat.com> * sysdeps/i386/crti.S (_init): Add _CET_ENDBR. (_fini): Likewise. * sysdeps/x86_64/crti.S (_init): Likewise. (_fini): Likewise.
* Mark _init and _fini as hidden [BZ #23145]H.J. Lu2018-06-081-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | _init and _fini are special functions provided by glibc for linker to define DT_INIT and DT_FINI in executable and shared library. They should never be put in dynamic symbol table. This patch marks them as hidden to remove them from dynamic symbol table. Tested with build-many-glibcs.py. [BZ #23145] * elf/Makefile (tests-special): Add $(objpfx)check-initfini.out. ($(all-built-dso:=.dynsym): New target. (common-generated): Add $(all-built-dso:$(common-objpfx)%=%.dynsym). ($(objpfx)check-initfini.out): New target. (generated): Add check-initfini.out. * scripts/check-initfini.awk: New file. * sysdeps/aarch64/crti.S (_init): Mark as hidden. (_fini): Likewise. * sysdeps/alpha/crti.S (_init): Mark as hidden. (_fini): Likewise. * sysdeps/arm/crti.S (_init): Mark as hidden. (_fini): Likewise. * sysdeps/hppa/crti.S (_init): Mark as hidden. (_fini): Likewise. * sysdeps/i386/crti.S (_init): Mark as hidden. (_fini): Likewise. * sysdeps/ia64/crti.S (_init): Mark as hidden. (_fini): Likewise. * sysdeps/m68k/crti.S (_init): Mark as hidden. (_fini): Likewise. * sysdeps/microblaze/crti.S (_init): Mark as hidden. (_fini): Likewise. * sysdeps/mips/mips32/crti.S (_init): Mark as hidden. (_fini): Likewise. * sysdeps/mips/mips64/n32/crti.S (_init): Mark as hidden. (_fini): Likewise. * sysdeps/mips/mips64/n64/crti.S (_init): Mark as hidden. (_fini): Likewise. * sysdeps/nios2/crti.S (_init): Mark as hidden. (_fini): Likewise. * sysdeps/powerpc/powerpc32/crti.S (_init): Mark as hidden. (_fini): Likewise. * sysdeps/powerpc/powerpc64/crti.S (_init): Mark as hidden. (_fini): Likewise. * sysdeps/s390/s390-32/crti.S (_init): Mark as hidden. (_fini): Likewise. * sysdeps/s390/s390-64/crti.S (_init): Mark as hidden. (_fini): Likewise. * sysdeps/sh/crti.S (_init): Mark as hidden. (_fini): Likewise. * sysdeps/sparc/crti.S (_init): Mark as hidden. (_fini): Likewise. * sysdeps/x86_64/crti.S (_init): Mark as hidden. (_fini): Likewise.
* i386: Replace PREINIT_FUNCTION@PLT with *%eax in callH.J. Lu2018-05-141-1/+1
| | | | | | | | | | Since we have loaded address of PREINIT_FUNCTION into %eax, we can avoid extra branch to PLT slot. * sysdeps/i386/crti.S (_init): Replace PREINIT_FUNCTION@PLT with *%eax in call. Acked-by: Christian Brauner (Ubuntu) <christian@brauner.io>
* Update copyright dates with scripts/update-copyrights.Joseph Myers2018-01-011-1/+1
| | | | | | | * All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
* Update copyright dates with scripts/update-copyrights.Joseph Myers2017-01-011-1/+1
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* Update copyright dates with scripts/update-copyrights.Joseph Myers2016-01-041-1/+1
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* Update copyright dates with scripts/update-copyrights.Joseph Myers2015-01-021-1/+1
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* Update copyright notices with scripts/update-copyrightsAllan McRae2014-01-011-1/+1
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* Update copyright notices with scripts/update-copyrights.Joseph Myers2013-01-021-1/+1
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* Replace FSF snail mail address with URL in miscellaneous files.Paul Eggert2012-03-101-3/+2
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* Support crti.S and crtn.S provided directly by architectures.Joseph Myers2012-02-081-0/+85
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