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From: jose.marchesi@oracle.com (Jose E. Marchesi)
To: Pedro Alves <palves@redhat.com>
Cc: gdb-patches@sourceware.org
Subject: Re: [PATCH] Support for the $_siginfo convenience var in sparc64
References: <8761sptppx.fsf@oracle.com> <52667BC5.2050300@redhat.com>
Date: Tue, 22 Oct 2013 13:36:00 -0000
In-Reply-To: <52667BC5.2050300@redhat.com> (Pedro Alves's message of "Tue, 22	Oct 2013 14:21:09 +0100")
Message-ID: <87zjq1s9ww.fsf@oracle.com>
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    > The following patch adds support for the $_siginfo convenience variable
    > to sparc64-*-linux-gnu targets.
    
    I take it from the patch that linux-tdep.c:linux_get_siginfo_type wouldn't
    work for sparc64?  Why is that?  What's different?

These are the differences of glibc's bits/siginfo.h in sparc with
respect to bits/siginfo.h in x86:

- The _sigfault struct has an additional field `int si_trapno'.
- The `si_band' field in the `_sigpoll' struct is of type `int' instead
  of `long int'.

It would be nice to avoid all that code repetition, but since glibc
maintains per-target bits/signinfo.h files more differences could be
introduced in the future...