RFC: implement typed DWARF stack
Tom Tromey
tromey@redhat.com
Tue May 10 16:39:00 GMT 2011
>>>>> "Ulrich" == Ulrich Weigand <uweigand@de.ibm.com> writes:
Ulrich> I ran a test on Cell, and interestingly it turns out that while
Ulrich> Cell mixed-architecture debugging appears to be OK, just plain
Ulrich> ppc32 debugging on a ppc64 host is now broken. When the
Ulrich> (32-bit) address of a stack variable has its high bit set,
Ulrich> dwarf2_evaluate_loc_desc_full now returns a value with a
Ulrich> sign-extended 64-bit CORE_ADDR address (0xffffffff....). This
Ulrich> address later on causes a memory_error when accessed.
Can you send me your test case?
I have a PPC64 gdb now; I built one on gcc40, on the GCC compile farm.
Tom
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