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[Bug corefiles/11957] New: cross-target core file registers are not supported


adding corelow.o to `alpha*-*-linux*' really enables reading the core file.
It does not display registers, essential to make it useful:

GNU gdb (GDB) 7.2.50.20100830-cvs
This GDB was configured as "--host=x86_64-unknown-linux-gnu
--target=alpha-unknown-linux-gnu".
./gdb -nx -c alpha.core
warning: Couldn't find general-purpose registers in core file.
warning: Couldn't find general-purpose registers in core file.
Cannot access memory at address 0x0
(gdb) info registers 
v0             0x0	0
t0             0x0	0
[...]

-- 
           Summary: cross-target core file registers are not supported
           Product: gdb
           Version: HEAD
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: corefiles
        AssignedTo: unassigned at sourceware dot org
        ReportedBy: jan dot kratochvil at redhat dot com
                CC: gdb-prs at sourceware dot org
  GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: alpha-unknown-linux-gnu


http://sourceware.org/bugzilla/show_bug.cgi?id=11957

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