On Thu, Jun 30, 2011 at 11:03 AM, Rainer Orth
<r...@cebitec.uni-bielefeld.de> wrote:
> "H.J. Lu" <hjl.to...@gmail.com> writes:
>
>>> gcc/
>>>
>>> 2011-06-30  H.J. Lu  <hongjiu...@intel.com>
>>>
>>>        * config.gcc (libgcc_tm_file): Add i386/value-unwind.h for
>>>        Linux/x86.
>>>
>>>        * system.h (REG_VALUE_IN_UNWIND_CONTEXT): Poisoned.
>>>
>>>        * unwind-dw2.c (_Unwind_Context_Reg_Val): New.
>>>        (_Unwind_Get_Unwind_Word): Likewise.
>>>        (_Unwind_Get_Unwind_Context_Reg_Val): Likewise.
>>>        (_Unwind_Context): Use _Unwind_Context_Reg_Val on the reg field.
>>>        (SIGNAL_FRAME_BIT): Define if REG_VALUE_IN_UNWIND_CONTEXT is
>>>        defined.
>>>        (_Unwind_IsExtendedContext): Likewise.
>>>        (EXTENDED_CONTEXT_BIT): Don't define if REG_VALUE_IN_UNWIND_CONTEXT
>>>        is defined.
>>>        (_Unwind_GetGR): Updated.
>>>        (_Unwind_SetGR): Likewise.
>>>        (_Unwind_GetGRPtr): Likewise.
>>>        (_Unwind_SetGRPtr): Likewise.
>>>        (_Unwind_SetGRValue): Likewise.
>>>        (_Unwind_GRByValue): Likewise.
>>>        (__frame_state_for): Likewise.
>>>        (uw_install_context_1): Likewise.
>>>
>>>        * doc/tm.texi.in: Document REG_VALUE_IN_UNWIND_CONTEXT.
>>>        * doc/tm.texi: Regenerated.
>>>
>>> libgcc/
>>>
>>> 2011-06-30  H.J. Lu  <hongjiu...@intel.com>
>>>
>>>        * config/i386/value-unwind.h: New.
>
> Why all those contortions with i386/value-unwind.h?  It seems far
> simpler to me to put this into libgcc/config/i386/linux-unwind.h and be
> done with it.
>

I did it this way so that other non-Linux x32 targets can use it.

-- 
H.J.

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