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Message-ID: <CAD=FV=UN8rm_40eVz4YVVJ57d_BWkzxs1E4nYhX_mKWe2pwX0Q@mail.gmail.com>
Date: Fri, 10 May 2019 15:23:46 -0700
From: Doug Anderson <dianders@...omium.org>
To: Chris Packham <chris.packham@...iedtelesis.co.nz>
Cc: Kees Cook <keescook@...omium.org>, re.emese@...il.com,
kernel-hardening@...ts.openwall.com, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] gcc-plugins: arm_ssp_per_task_plugin: Fix for older GCC < 6
Hi,
> Use gen_rtx_set instead of gen_rtx_SET. The former is a wrapper macro
> that handles the difference between GCC versions implementing
> the latter.
>
> This fixes the following error on my system with g++ 5.4.0 as the host
> compiler
>
> HOSTCXX -fPIC scripts/gcc-plugins/arm_ssp_per_task_plugin.o
> scripts/gcc-plugins/arm_ssp_per_task_plugin.c:42:14: error: macro "gen_rtx_SET" requires 3 arguments, but only 2 given
> mask)),
> ^
> scripts/gcc-plugins/arm_ssp_per_task_plugin.c: In function ‘unsigned int arm_pertask_ssp_rtl_execute()’:
> scripts/gcc-plugins/arm_ssp_per_task_plugin.c:39:20: error: ‘gen_rtx_SET’ was not declared in this scope
> emit_insn_before(gen_rtx_SET
>
> Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
> ---
> scripts/gcc-plugins/arm_ssp_per_task_plugin.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
I can confirm that I was getting compile errors before this patch and
applying it allowed me to compile and boot. Thanks! :-)
Tested-by: Douglas Anderson <dianders@...omium.org>
-Doug
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