Message ID | 20180502203326.9491-2-labbott@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Wed, 02 May 2018 13:33:33 -0700 (PDT) Received: from labbott-redhat.redhat.com ([2601:602:9802:a8dc::d2dd]) by smtp.gmail.com with ESMTPSA id v140-v6sm7141762oie.52.2018.05.02.13.33.31 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 02 May 2018 13:33:32 -0700 (PDT) From: Laura Abbott <labbott@redhat.com> To: Alexander Popov <alex.popov@linux.com>, Kees Cook <keescook@chromium.org>, Mark Rutland <mark.rutland@arm.com>, Ard Biesheuvel <ard.biesheuvel@linaro.org> Subject: [PATCH 1/2] stackleak: Update for arm64 Date: Wed, 2 May 2018 13:33:25 -0700 Message-Id: <20180502203326.9491-2-labbott@redhat.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180502203326.9491-1-labbott@redhat.com> References: <20180502203326.9491-1-labbott@redhat.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180502_133344_202084_A87369C0 X-CRM114-Status: GOOD ( 12.19 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: Laura Abbott <labbott@redhat.com>, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel-hardening@lists.openwall.com MIME-Version: 1.0 Content-Type: text/plain; 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diff --git a/scripts/gcc-plugins/stackleak_plugin.c b/scripts/gcc-plugins/stackleak_plugin.c index 6ac2a055ec61..0a55ecaf44df 100644 --- a/scripts/gcc-plugins/stackleak_plugin.c +++ b/scripts/gcc-plugins/stackleak_plugin.c @@ -253,6 +253,10 @@ static unsigned int stackleak_cleanup_execute(void) * that insn. */ body = PATTERN(insn); + /* arm64 is different */ + if (GET_CODE(body) == PARALLEL) + body = XVECEXP(body, 0, 0); + if (GET_CODE(body) != CALL) continue;
arm64 has another layer of indirection in the RTL. Account for this in the plugin. Signed-off-by: Laura Abbott <labbott@redhat.com> --- Fixed from previous version to be a vector expression. --- scripts/gcc-plugins/stackleak_plugin.c | 4 ++++ 1 file changed, 4 insertions(+)