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patches/eglibc/ports-2_16/003-mips-rld-map-check.patch
author "Yann E. MORIN" <yann.morin.1998@free.fr>
Sun May 05 00:01:05 2013 +0200 (2013-05-05)
changeset 3218 3709e61ad85b
permissions -rw-r--r--
complibs/cloog: add support for the ISL backend

CLooG 0.18+ will use ISL instead of PPL, so we have to configure
adequately depending of which backend is in use.

The Kconfig entries will decide for us which is selected, so we
can rely on either PPL xor ISL to be selected, not both.

Reported-by: "Plotnikov Dmitry" <leitz@ispras.ru>
[Dmitry did a preliminray patch to add ISL support,
which this patch is inspired from]
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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