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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Tue, 17 Aug 2010 09:05:39 +0000 (UTC)
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Subject: cvs commit: src/libexec/rtld-elf malloc.c rtld.c
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kib         2010-08-17 09:05:39 UTC

  FreeBSD src repository

  Modified files:
    libexec/rtld-elf     malloc.c rtld.c 
  Log:
  SVN rev 211413 on 2010-08-17 09:05:39Z by kib
  
  Use the newly provided aux vectors to get pagesize and osreldate information.
  Use local version of getpagesize(), rtld_getpagesize() in private allocator.
  Override the __getosreldate() previously fetched from libc_pic.a with
  local version that uses aux value if present. Note that __getosreldate()
  is used by rtld indirectly, by mmap(2) libc wrapper.
  
  To be able to utilize aux, split digest_dynamic() for use by init_rtld()
  into two parts, where the first one does not call malloc(), and the
  second part uses it. init_rtld() is able to initialize global variables
  before digest_dynamic2() calls. In particular, pagesize and osreldate are
  set up from the aux values.
  
  Now, rtld avoids (two) sysctl calls in startup.
  
  Tested by:      marius (sparc64)
  MFC after:      1 month
  
  Revision  Changes    Path
  1.12      +22 -1     src/libexec/rtld-elf/malloc.c
  1.152     +62 -9     src/libexec/rtld-elf/rtld.c