Commit 6354a018 authored by Joey Gouly's avatar Joey Gouly Committed by Will Deacon
Browse files

kselftest/arm64: move get_header() 



Put this function in the header so that it can be used by other tests, without
needing to link to testcases.c.

This will be used by selftest/mm/protection_keys.c

Signed-off-by: default avatarJoey Gouly <joey.gouly@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Reviewed-by: default avatarMark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240822151113.1479789-25-joey.gouly@arm.com


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent b9b9d72d

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

+0 −23
Original line number Diff line number Diff line
@@ -6,29 +6,6 @@ 


#include "testcases.h"



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;

}



bool validate_extra_context(struct extra_context *extra, char **err,

			    void **extra_data, size_t *extra_size)

{

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

+23 −2
Original line number Diff line number Diff line
@@ -88,8 +88,29 @@ struct fake_sigframe { 


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



struct _aarch64_ctx *get_header(struct _aarch64_ctx *head, uint32_t magic,

				size_t resv_sz, size_t *offset);

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,