gdb and binutils branch master updated. d36430db79dc8eccb9cb188e1234f7ff044f79b4

[brobecke at sourceware dot org]

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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=d36430db79dc8eccb9cb188e1234f7ff044f79b4

commit d36430db79dc8eccb9cb188e1234f7ff044f79b4
Author: Joel Brobecker <brobecker@adacore.com>
Date:   Wed Aug 20 14:50:38 2014 +0200

    Fix handling of typedefs to types having a data_location attribute.
    
    Consider an array described in the debugging information as being
    a typedef of an array type for which there is a DW_AT_data_location
    attribute. Trying to print the value of that array currently yields
    incorrect element values. For instance:
    
        (gdb) print foo.three_tdef
        $1 = (6293760, 0, 6293772)
    
    The problem occurs because we check for the data_location attribute
    only on the typedef type, whereas we should be checking for the
    typedef's target type.  As a result, GDB erroneously thinks that
    there is no data_location, and therefore starts reading the array's
    content from the address of the descriptor instead of the data_location
    address.
    
    gdb/ChangeLog:
    
            * value.c (value_from_contents_and_address): Strip resolved_type's
            typedef layers before checking its TYPE_DATA_LOCATION.
    
    gdb/testsuite/ChangeLog:
    
            * gdb.dwarf2/data-loc.exp: Add additional tests exercising
            the handling of variables declared as a typedef to an array
            which a DW_AT_data_location attribute.

-----------------------------------------------------------------------

Summary of changes:
 gdb/ChangeLog                         |    5 ++
 gdb/testsuite/ChangeLog               |    6 ++
 gdb/testsuite/gdb.dwarf2/data-loc.exp |  105 ++++++++++++++++++++++++++++++++-
 gdb/value.c                           |    7 +-
 4 files changed, 118 insertions(+), 5 deletions(-)


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