From: Jason Merrill <jason@redhat.com>
To: "H.J. Lu" <hjl.tools@gmail.com>
Cc: Richard Henderson <rth@redhat.com>,
Rainer Orth <ro@cebitec.uni-bielefeld.de>,
gcc-patches@gcc.gnu.org, Jakub Jelinek <jakub@redhat.com>
Subject: Re: PATCH [8/n]: Prepare x32: PR other/48007: Unwind library doesn't work with UNITS_PER_WORD > sizeof (void *)
Date: Tue, 02 Aug 2011 21:02:00 -0000 [thread overview]
Message-ID: <4E3865E5.1020606@redhat.com> (raw)
In-Reply-To: <BANLkTimt9V4kyKE2jmixeMOW=k7ghWrw+A@mail.gmail.com>
On 06/30/2011 04:47 PM, H.J. Lu wrote:
> +@defmac REG_VALUE_IN_UNWIND_CONTEXT
> +
> +Define this macro if the target stores register values as
> +@code{_Unwind_Word} type in unwind context. The default is to
> +store register values as @code{void *} type.
> +
> +@end defmac
This ought to suggest why a port would need to do this, namely if
registers can be larger than void*.
> +#ifdef REG_VALUE_IN_UNWIND_CONTEXT
> +typedef _Unwind_Word _Unwind_Context_Reg_Val;
> +
> +#define _Unwind_IsExtendedContext(c) 1
I still think that assuming extended context should be a separate target
macro which is implied by REG_VALUE_IN_UNWIND_CONTEXT, but can also be
defined separately by new ports.
Otherwise it looks good to me.
Jason
next prev parent reply other threads:[~2011-08-02 21:02 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-25 17:02 H.J. Lu
2011-06-25 23:34 ` Joseph S. Myers
2011-06-25 23:36 ` H.J. Lu
2011-06-26 20:06 ` Jason Merrill
2011-06-26 20:22 ` Jason Merrill
2011-06-26 21:45 ` H.J. Lu
2011-06-27 2:12 ` Jason Merrill
2011-06-27 3:17 ` H.J. Lu
2011-06-27 15:16 ` Jason Merrill
2011-06-28 19:25 ` H.J. Lu
2011-06-30 14:46 ` Jason Merrill
2011-06-30 14:53 ` H.J. Lu
2011-06-30 15:26 ` Jason Merrill
2011-06-30 16:36 ` H.J. Lu
2011-06-30 17:57 ` H.J. Lu
2011-06-30 18:01 ` H.J. Lu
2011-06-30 18:10 ` Rainer Orth
2011-06-30 18:19 ` H.J. Lu
2011-06-30 18:42 ` Rainer Orth
2011-06-30 20:14 ` H.J. Lu
2011-06-30 20:24 ` Richard Henderson
2011-06-30 21:51 ` H.J. Lu
2011-07-01 9:03 ` Rainer Orth
2011-07-01 12:51 ` H.J. Lu
2011-07-01 13:37 ` Rainer Orth
2011-07-01 13:42 ` H.J. Lu
2011-07-01 14:03 ` Rainer Orth
2011-07-01 14:06 ` H.J. Lu
2011-07-01 14:25 ` Rainer Orth
2011-07-01 14:55 ` H.J. Lu
2011-08-02 21:02 ` Jason Merrill [this message]
2011-08-02 22:27 ` H.J. Lu
2011-08-03 21:47 ` Jason Merrill
2011-06-30 20:59 ` H.J. Lu
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