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Date: Thu, 30 Jun 2011 18:19:00 -0000
Message-ID: <BANLkTikRuXz1RP1LxU8BCEFoT+pNP5e_Jw@mail.gmail.com>
Subject: Re: PATCH [8/n]: Prepare x32: PR other/48007: Unwind library doesn't work with UNITS_PER_WORD > sizeof (void *)
From: "H.J. Lu" <hjl.tools@gmail.com>
To: Rainer Orth <ro@cebitec.uni-bielefeld.de>
Cc: Jason Merrill <jason@redhat.com>, gcc-patches@gcc.gnu.org, 	Richard Henderson <rth@redhat.com>, Jakub Jelinek <jakub@redhat.com>
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On Thu, Jun 30, 2011 at 11:03 AM, Rainer Orth
<ro@cebitec.uni-bielefeld.de> wrote:
> "H.J. Lu" <hjl.tools@gmail.com> writes:
>
>>> gcc/
>>>
>>> 2011-06-30 =A0H.J. Lu =A0<hongjiu.lu@intel.com>
>>>
>>> =A0 =A0 =A0 =A0* config.gcc (libgcc_tm_file): Add i386/value-unwind.h f=
or
>>> =A0 =A0 =A0 =A0Linux/x86.
>>>
>>> =A0 =A0 =A0 =A0* system.h (REG_VALUE_IN_UNWIND_CONTEXT): Poisoned.
>>>
>>> =A0 =A0 =A0 =A0* unwind-dw2.c (_Unwind_Context_Reg_Val): New.
>>> =A0 =A0 =A0 =A0(_Unwind_Get_Unwind_Word): Likewise.
>>> =A0 =A0 =A0 =A0(_Unwind_Get_Unwind_Context_Reg_Val): Likewise.
>>> =A0 =A0 =A0 =A0(_Unwind_Context): Use _Unwind_Context_Reg_Val on the re=
g field.
>>> =A0 =A0 =A0 =A0(SIGNAL_FRAME_BIT): Define if REG_VALUE_IN_UNWIND_CONTEX=
T is
>>> =A0 =A0 =A0 =A0defined.
>>> =A0 =A0 =A0 =A0(_Unwind_IsExtendedContext): Likewise.
>>> =A0 =A0 =A0 =A0(EXTENDED_CONTEXT_BIT): Don't define if REG_VALUE_IN_UNW=
IND_CONTEXT
>>> =A0 =A0 =A0 =A0is defined.
>>> =A0 =A0 =A0 =A0(_Unwind_GetGR): Updated.
>>> =A0 =A0 =A0 =A0(_Unwind_SetGR): Likewise.
>>> =A0 =A0 =A0 =A0(_Unwind_GetGRPtr): Likewise.
>>> =A0 =A0 =A0 =A0(_Unwind_SetGRPtr): Likewise.
>>> =A0 =A0 =A0 =A0(_Unwind_SetGRValue): Likewise.
>>> =A0 =A0 =A0 =A0(_Unwind_GRByValue): Likewise.
>>> =A0 =A0 =A0 =A0(__frame_state_for): Likewise.
>>> =A0 =A0 =A0 =A0(uw_install_context_1): Likewise.
>>>
>>> =A0 =A0 =A0 =A0* doc/tm.texi.in: Document REG_VALUE_IN_UNWIND_CONTEXT.
>>> =A0 =A0 =A0 =A0* doc/tm.texi: Regenerated.
>>>
>>> libgcc/
>>>
>>> 2011-06-30 =A0H.J. Lu =A0<hongjiu.lu@intel.com>
>>>
>>> =A0 =A0 =A0 =A0* config/i386/value-unwind.h: New.
>
> Why all those contortions with i386/value-unwind.h? =A0It 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.

--=20
H.J.