tools/testing/selftests/arm64/signal/testcases/testcases.h

Source file repositories/reference/linux-study-clean/tools/testing/selftests/arm64/signal/testcases/testcases.h

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/arm64/signal/testcases/testcases.h
Extension
.h
Size
3370 bytes
Lines
138
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

struct fake_sigframe {
	siginfo_t	info;
	ucontext_t	uc;
};


bool validate_reserved(ucontext_t *uc, size_t resv_sz, char **err);

static inline struct _aarch64_ctx *get_header(struct _aarch64_ctx *head, uint32_t magic,
				size_t resv_sz, size_t *offset)
{
	size_t offs = 0;
	struct _aarch64_ctx *found = NULL;

	if (!head || resv_sz < HDR_SZ)
		return found;

	while (offs <= resv_sz - HDR_SZ &&
	       head->magic != magic && head->magic) {
		offs += head->size;
		head = GET_RESV_NEXT_HEAD(head);
	}
	if (head->magic == magic) {
		found = head;
		if (offset)
			*offset = offs;
	}

	return found;
}


static inline struct _aarch64_ctx *get_terminator(struct _aarch64_ctx *head,
						  size_t resv_sz,
						  size_t *offset)
{
	return get_header(head, 0, resv_sz, offset);
}

static inline void write_terminator_record(struct _aarch64_ctx *tail)
{
	if (tail) {
		tail->magic = 0;
		tail->size = 0;
	}
}

struct _aarch64_ctx *get_starting_head(struct _aarch64_ctx *shead,
				       size_t need_sz, size_t resv_sz,
				       size_t *offset);
#endif

Annotation

Implementation Notes