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From: Alexander Kabaev <kan@FreeBSD.org>
Date: Tue, 14 Jul 2009 21:19:13 +0000 (UTC)
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X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src Makefile.inc1 src/contrib/gcc/config
 freebsd-spec.h src/gnu/lib/libgcc Makefile
 src/gnu/lib/libssp/libssp_nonshared Makefile src/lib/libc Makefile
 src/lib/libc/sys Symbol.map stack_protector.c src/libexec/rtld-elf ...
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kan         2009-07-14 21:19:13 UTC

  FreeBSD src repository

  Modified files:
    .                    Makefile.inc1 
    contrib/gcc/config   freebsd-spec.h 
    gnu/lib/libgcc       Makefile 
    gnu/lib/libssp/libssp_nonshared Makefile 
    lib/libc             Makefile 
    lib/libc/sys         Symbol.map stack_protector.c 
    libexec/rtld-elf     Makefile 
    share/mk             bsd.lib.mk 
  Log:
  SVN rev 195697 on 2009-07-14 21:19:13Z by kan
  
  Second attempt at eliminating .text relocations in shared libraries
  compiled with stack protector.
  
  Use libssp_nonshared library to pull __stack_chk_fail_local symbol into
  each library that needs it instead of pulling it from libc. GCC
  generates local calls to this function which result in absolute
  relocations put into position-independent code segment, making dynamic
  loader do extra work every time given shared library is being relocated
  and making affected text pages non-shareable.
  
  Reviewed by:        kib
  Approved by:        re (kib)
  
  Revision  Changes    Path
  1.628     +1 -1      src/Makefile.inc1
  1.26      +1 -0      src/contrib/gcc/config/freebsd-spec.h
  1.66      +6 -0      src/gnu/lib/libgcc/Makefile
  1.4       +1 -1      src/gnu/lib/libssp/libssp_nonshared/Makefile
  1.78      +1 -1      src/lib/libc/Makefile
  1.28      +0 -1      src/lib/libc/sys/Symbol.map
  1.5       +1 -6      src/lib/libc/sys/stack_protector.c
  1.46      +1 -1      src/libexec/rtld-elf/Makefile
  1.186     +2 -2      src/share/mk/bsd.lib.mk