From: Chris Metcalf <cmetcalf@tilera.com>
Date: Thu, 3 Nov 2011 02:19:25 +0000 (-0400)
Subject: arch/tile: avoid ISO namespace pollution with <asm/sigcontext.h>
X-Git-Tag: v3.2-rc1~51^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e0b1f39d55864547242b4e4edb86d737bca3a249;p=pandora-kernel.git

arch/tile: avoid ISO namespace pollution with <asm/sigcontext.h>

<asm/sigcontext.h> is used by glibc's <bits/sigcontext.h> from <signal.h>,
which means that it can't clutter the namespace with random symbols
or #defines.  However, we use <arch/abi.h> to get a suitable type to
hold a machine register.

This change makes <arch/abi.h> safe to use in this kind of context
if __need_int_reg_t is defined prior to including the file; in that
case, it only defines a few symbols that are safe in the ISO namespace
(prefixed with double underscores).  <asm/sigcontext.h> then uses
the __uint_reg_t type instead of the normal uint_reg_t.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
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