29 	(struct _aarch64_ctx *)(&(sf).uc.uc_mcontext.__reserved)
32 	sizeof((sf).uc.uc_mcontext.__reserved)
35 	(struct _aarch64_ctx *)(&(buf).uc.uc_mcontext.__reserved)
38 	(sizeof(buf) - sizeof(buf.uc) +	\
39 	 sizeof((buf).uc.uc_mcontext.__reserved))
44 #define ASSERT_BAD_CONTEXT(uc) do {					\  argument
46 	if (!validate_reserved((uc), GET_UCP_RESV_SIZE((uc)), &err)) {	\
56 #define ASSERT_GOOD_CONTEXT(uc) do {					 \  argument
58 	if (!validate_reserved((uc), GET_UCP_RESV_SIZE((uc)), &err)) {	 \
84 	ucontext_t	uc;  member
88 bool validate_reserved(ucontext_t *uc, size_t resv_sz, char **err);