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Message-Id: <20180221011303.20392-2-labbott@redhat.com>
Date: Tue, 20 Feb 2018 17:13:02 -0800
From: Laura Abbott <labbott@...hat.com>
To: Alexander Popov <alex.popov@...ux.com>,
Kees Cook <keescook@...omium.org>,
Mark Rutland <mark.rutland@....com>,
Ard Biesheuvel <ard.biesheuvel@...aro.org>
Cc: Laura Abbott <labbott@...hat.com>,
kernel-hardening@...ts.openwall.com,
linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] stackleak: Update for arm64
arm64 has another layer of indirection in the RTL.
Account for this in the plugin.
Signed-off-by: Laura Abbott <labbott@...hat.com>
---
scripts/gcc-plugins/stackleak_plugin.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/scripts/gcc-plugins/stackleak_plugin.c b/scripts/gcc-plugins/stackleak_plugin.c
index 6fc991c98d8b..7dfaa027423f 100644
--- a/scripts/gcc-plugins/stackleak_plugin.c
+++ b/scripts/gcc-plugins/stackleak_plugin.c
@@ -244,6 +244,11 @@ static unsigned int stackleak_final_execute(void)
* that insn.
*/
body = PATTERN(insn);
+ /* arm64 is different */
+ if (GET_CODE(body) == PARALLEL) {
+ body = XEXP(body, 0);
+ body = XEXP(body, 0);
+ }
if (GET_CODE(body) != CALL)
continue;
--
2.14.3
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