[PATCH 1/2] stackleak: Update for arm64

Laura Abbott labbott at redhat.com
Tue Feb 20 17:13:02 PST 2018


arm64 has another layer of indirection in the RTL.
Account for this in the plugin.

Signed-off-by: Laura Abbott <labbott at redhat.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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