[PATCH v10 31/40] kselftest/arm64: Add framework support for GCS to signal handling tests

[Mark Brown]

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

Reviewed-by: Thiago Jung Bauermann <thiago.bauerm...@linaro.org>
Signed-off-by: Mark Brown <broo...@kernel.org>
---
 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 674b88cc8c39..49d036e97996 100644
--- a/tools/testing/selftests/arm64/signal/testcases/testcases.c
+++ b/tools/testing/selftests/arm64/signal/testcases/testcases.c
@@ -217,6 +217,13 @@ 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 7727126347e0..dc3cf777dafe 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