[Bug symtab/12250] New: RFE: Use DT_RPATH for solib-search-path

["jan.kratochvil at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=12250

           Summary: RFE: Use DT_RPATH for solib-search-path
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: symtab
        AssignedTo: unassigned@sourceware.org
        ReportedBy: jan.kratochvil@redhat.com


DT_RPATH may contain also $ORIGIN which may match during debugging to a
different path than those specific in the inferior shared library list.

rm -rf dir xbin xlib core.*;mkdir xbin xlib;:|gcc -x c - -shared -fPIC -o
xlib/libx.so -Wl,-soname,libx.so;echo 'main(){*(int*)0=0;}'|gcc -o xbin/bin -x
c - -Lxlib -lx -Wl,-rpath,'$ORIGIN/../xlib';(ulimit -c
unlimited;./xbin/bin);mkdir dir;mv xbin xlib dir;gdb -nx dir/xbin/bin ./core.*
-ex 'info shared' -ex 'set solib-search-path dir/xlib' -ex 'info shared'

>From                To                  Syms Read   Shared Object Library
                                        No         
/home/jkratoch/t/libs/xbin/../xlib/libx.so
0x00000035f081e9a0  0x00000035f092b820  Yes         /lib64/libc-2.12.1.so
0x00000035f0400af0  0x00000035f0418864  Yes         /lib64/ld-2.12.1.so
>From                To                  Syms Read   Shared Object Library
0x00007f31ffdbc410  0x00007f31ffdbc518  Yes (*)    
/home/jkratoch/t/libs/dir/xlib/libx.so
0x00000035f081e9a0  0x00000035f092b820  Yes         /lib64/libc-2.12.1.so
0x00000035f0400af0  0x00000035f0418864  Yes         /lib64/ld-2.12.1.so

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