PATCH: PR other/48007: Unwind library doesn't work with UNITS_PER_WORD > sizeof (void *)

[Richard Guenther]

On Sun, Mar 6, 2011 at 10:28 PM, H.J. Lu <hjl.tools@gmail.com> wrote:
> On Sun, Mar 6, 2011 at 1:15 PM, Andrew Pinski <pinskia@gmail.com> wrote:
>> On Sun, Mar 6, 2011 at 9:18 AM, H.J. Lu <hongjiu.lu@intel.com> wrote:
>>> Hi,
>>>
>>> We shouldn't save call frame hard registers as "void *".  This patch
>>> changes the unwind library to save call frame hard registers as
>>> _Unwind_Word.  OK for 4.7?
>>
>> I think this will break the ABI for the MIPS N32 ABI.  Not to mention
>> the MIPS N32 ABI works fine with the unwinding part this way.  Does
>> someone use the unwinding library to look at the registers in previous
>> stack frames?
>
> It may be psABI/implementation specific.  X32 glibc force unwind calls
> _Unwind_SetGRValue to get a 64bit register value.

So fix it on that side?

Richard.