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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Sat, 8 Jan 2011 16:13:44 +0000 (UTC)
To: cvs-src-old@freebsd.org
X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/amd64/amd64 elf_machdep.c machdep.c
 src/sys/amd64/ia32 ia32_signal.c src/sys/amd64/include vmparam.h
 src/sys/compat/freebsd32 freebsd32_misc.c src/sys/compat/ia32
 ia32_sysvec.c ia32_util.h src/sys/kern kern_exec.c src/sys/sys ...
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kib         2011-01-08 16:13:44 UTC

  FreeBSD src repository

  Modified files:
    sys/amd64/amd64      elf_machdep.c machdep.c 
    sys/amd64/ia32       ia32_signal.c 
    sys/amd64/include    vmparam.h 
    sys/compat/freebsd32 freebsd32_misc.c 
    sys/compat/ia32      ia32_sysvec.c ia32_util.h 
    sys/kern             kern_exec.c 
    sys/sys              imgact.h sysent.h 
  Log:
  SVN rev 217151 on 2011-01-08 16:13:44Z by kib
  
  Create shared (readonly) page. Each ABI may specify the use of page by
  setting SV_SHP flag and providing pointer to the vm object and mapping
  address. Provide simple allocator to carve space in the page, tailored
  to put the code with alignment restrictions.
  
  Enable shared page use for amd64, both native and 32bit FreeBSD
  binaries.  Page is private mapped at the top of the user address
  space, moving a start of the stack one page down. Move signal
  trampoline code from the top of the stack to the shared page.
  
  Reviewed by:     alc
  
  Revision  Changes    Path
  1.35      +4 -2      src/sys/amd64/amd64/elf_machdep.c
  1.737     +1 -1      src/sys/amd64/amd64/machdep.c
  1.35      +3 -2      src/sys/amd64/ia32/ia32_signal.c
  1.64      +2 -1      src/sys/amd64/include/vmparam.h
  1.117     +5 -2      src/sys/compat/freebsd32/freebsd32_misc.c
  1.39      +11 -4     src/sys/compat/ia32/ia32_sysvec.c
  1.12      +6 -2      src/sys/compat/ia32/ia32_util.h
  1.360     +85 -4     src/sys/kern/kern_exec.c
  1.53      +3 -0      src/sys/sys/imgact.h
  1.71      +12 -0     src/sys/sys/sysent.h