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kselftest/arm64: move get_header()

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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: Joey 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: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240822151113.1479789-25-joey.gouly@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Joey Gouly 2024-08-22 16:11:07 +01:00 committed by Will Deacon
parent b9b9d72de3
commit 6354a0184c
2 changed files with 23 additions and 25 deletions
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23
tools/testing/selftests/arm64/signal/testcases/testcases.c
View File

@ -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)
{

25
tools/testing/selftests/arm64/signal/testcases/testcases.h
View File

@ -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,