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patches/eglibc/ports-2_16/003-mips-rld-map-check.patch
author "Yann E. MORIN" <yann.morin.1998@free.fr>
Tue Mar 11 22:11:43 2014 +0100 (2014-03-11)
changeset 3293 e11a8a2e225d
permissions -rw-r--r--
comptools: do not force build of make-3.81 unless really needed

On systems with make-3.82, we forcibly force the build and the use
of make-3.81

But some newer tools break when building with make-3.81. For example,
eglibc-3.18 breaks.

Introduce a new blind options that tools may select if they require
make-3.81. If the system does not have make-3.81, and this option is
selected, then we force the build of make-3.81. Otherwise, we leave
it to the user to decide on his own.

Note that no component selects this option for now. It will come in
later patches as we find them.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> 
     1 

     2 On mips target, binutils currently sets DT_MIPS_RLD_MAP to 0 in dynamic

     3 section if a --version-script sets _RLD_MAP to local. This is apparently

     4 a binutils bug, but libc shouldn't segfault in this case.

     5 

     6 see also: http://sourceware.org/bugilla/show_bug.cgi?id=11615

     7 

     8 Upstream-Status: Pending

     9 

    10 9/19/2010 - added by Qing He <qing.he@intel.com>

    11 

    12 

    13 ---

    14 diff -ru glibc-2.10.1.orig/ports/sysdeps/mips/dl-machine.h glibc-2.10.1/sysdeps/mips/dl-machine.h

    15 --- glibc-2.10.1.orig/ports/sysdeps/mips/dl-machine.h	2009-05-16 16:36:20.000000000 +0800

    16 +++ glibc-2.10.1/ports/sysdeps/mips/dl-machine.h	2010-09-19 09:11:53.000000000 +0800

    17 @@ -70,7 +70,8 @@

    18  /* If there is a DT_MIPS_RLD_MAP entry in the dynamic section, fill it in

    19     with the run-time address of the r_debug structure  */

    20  #define ELF_MACHINE_DEBUG_SETUP(l,r) \

    21 -do { if ((l)->l_info[DT_MIPS (RLD_MAP)]) \

    22 +do { if ((l)->l_info[DT_MIPS (RLD_MAP)] && \

    23 +         (l)->l_info[DT_MIPS (RLD_MAP)]->d_un.d_ptr) \

    24         *(ElfW(Addr) *)((l)->l_info[DT_MIPS (RLD_MAP)]->d_un.d_ptr) = \

    25         (ElfW(Addr)) (r); \

    26     } while (0)
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