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Message-Id: <20190510090025.4680-1-chris.packham@alliedtelesis.co.nz>
Date: Fri, 10 May 2019 21:00:25 +1200
From: Chris Packham <chris.packham@...iedtelesis.co.nz>
To: keescook@...omium.org,
re.emese@...il.com
Cc: kernel-hardening@...ts.openwall.com,
linux-kernel@...r.kernel.org,
Chris Packham <chris.packham@...iedtelesis.co.nz>
Subject: [PATCH] gcc-plugins: arm_ssp_per_task_plugin: Fix for older GCC < 6
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(-)
diff --git a/scripts/gcc-plugins/arm_ssp_per_task_plugin.c b/scripts/gcc-plugins/arm_ssp_per_task_plugin.c
index 89c47f57d1ce..8c1af9bdcb1b 100644
--- a/scripts/gcc-plugins/arm_ssp_per_task_plugin.c
+++ b/scripts/gcc-plugins/arm_ssp_per_task_plugin.c
@@ -36,7 +36,7 @@ static unsigned int arm_pertask_ssp_rtl_execute(void)
mask = GEN_INT(sext_hwi(sp_mask, GET_MODE_PRECISION(Pmode)));
masked_sp = gen_reg_rtx(Pmode);
- emit_insn_before(gen_rtx_SET(masked_sp,
+ emit_insn_before(gen_rtx_set(masked_sp,
gen_rtx_AND(Pmode,
stack_pointer_rtx,
mask)),
--
2.21.0
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