[PATCH v13 31/40] kselftest/arm64: Add framework support for GCS to signal handling tests

From: Mark Brown
Date: Tue Oct 01 2024 - 19:10:01 EST


Teach the framework about the GCS signal context, avoiding warnings on
the unknown context.

Reviewed-by: Thiago Jung Bauermann <thiago.bauermann@xxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
tools/testing/selftests/arm64/signal/testcases/testcases.c | 7 +++++++
tools/testing/selftests/arm64/signal/testcases/testcases.h | 1 +
2 files changed, 8 insertions(+)

diff --git a/tools/testing/selftests/arm64/signal/testcases/testcases.c b/tools/testing/selftests/arm64/signal/testcases/testcases.c
index e6daa94fcd2e..0c1a6b26afac 100644
--- a/tools/testing/selftests/arm64/signal/testcases/testcases.c
+++ b/tools/testing/selftests/arm64/signal/testcases/testcases.c
@@ -198,6 +198,13 @@ bool validate_reserved(ucontext_t *uc, size_t resv_sz, char **err)
*err = "Bad size for fpmr_context";
new_flags |= FPMR_CTX;
break;
+ case GCS_MAGIC:
+ if (flags & GCS_CTX)
+ *err = "Multiple GCS_MAGIC";
+ if (head->size != sizeof(struct gcs_context))
+ *err = "Bad size for gcs_context";
+ new_flags |= GCS_CTX;
+ break;
case EXTRA_MAGIC:
if (flags & EXTRA_CTX)
*err = "Multiple EXTRA_MAGIC";
diff --git a/tools/testing/selftests/arm64/signal/testcases/testcases.h b/tools/testing/selftests/arm64/signal/testcases/testcases.h
index 9872b8912714..98b97efdda23 100644
--- a/tools/testing/selftests/arm64/signal/testcases/testcases.h
+++ b/tools/testing/selftests/arm64/signal/testcases/testcases.h
@@ -20,6 +20,7 @@
#define EXTRA_CTX (1 << 3)
#define ZT_CTX (1 << 4)
#define FPMR_CTX (1 << 5)
+#define GCS_CTX (1 << 6)

#define KSFT_BAD_MAGIC 0xdeadbeef


--
2.39.2