tools/testing/vma/shared.h

Source file repositories/reference/linux-study-clean/tools/testing/vma/shared.h

File Facts

System
Linux kernel
Corpus path
tools/testing/vma/shared.h
Extension
.h
Size
4026 bytes
Lines
133
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

if (!test_##name()) {					\
			(*num_fail)++;					\
			fprintf(stderr, "Test " #name " FAILED\n");	\
		}							\
	} while (0)

#define ASSERT_TRUE(_expr)						\
	do {								\
		if (!(_expr)) {						\
			fprintf(stderr,					\
				"Assert FAILED at %s:%d:%s(): %s is FALSE.\n", \
				__FILE__, __LINE__, __FUNCTION__, #_expr); \
			return false;					\
		}							\
	} while (0)

#define ASSERT_FALSE(_expr) ASSERT_TRUE(!(_expr))
#define ASSERT_EQ(_val1, _val2) ASSERT_TRUE((_val1) == (_val2))
#define ASSERT_NE(_val1, _val2) ASSERT_TRUE((_val1) != (_val2))

#define ASSERT_FLAGS_SAME_MASK(_flags, _flags_other) \
	ASSERT_TRUE(vma_flags_same_mask((_flags), (_flags_other)))

#define ASSERT_FLAGS_NOT_SAME_MASK(_flags, _flags_other) \
	ASSERT_FALSE(vma_flags_same_mask((_flags), (_flags_other)))

#define ASSERT_FLAGS_SAME(_flags, ...) \
	ASSERT_TRUE(vma_flags_same(_flags, __VA_ARGS__))

#define ASSERT_FLAGS_NOT_SAME(_flags, ...) \
	ASSERT_FALSE(vma_flags_same(_flags, __VA_ARGS__))

#define ASSERT_FLAGS_EMPTY(_flags) \
	ASSERT_TRUE(vma_flags_empty(_flags))

#define ASSERT_FLAGS_NONEMPTY(_flags) \
	ASSERT_FALSE(vma_flags_empty(_flags))

#define IS_SET(_val, _flags) ((_val & _flags) == _flags)

extern bool fail_prealloc;

/* Override vma_iter_prealloc() so we can choose to fail it. */
#define vma_iter_prealloc(vmi, vma)					\
	(fail_prealloc ? -ENOMEM : mas_preallocate(&(vmi)->mas, (vma), GFP_KERNEL))

#define CONFIG_DEFAULT_MMAP_MIN_ADDR 65536

extern unsigned long mmap_min_addr;
extern unsigned long dac_mmap_min_addr;
extern unsigned long stack_guard_gap;

extern const struct vm_operations_struct vma_dummy_vm_ops;
extern struct anon_vma dummy_anon_vma;
extern struct task_struct __current;

/*
 * Helper function which provides a wrapper around a merge existing VMA
 * operation.
 *
 * Declared in main.c as uses static VMA function.
 */
struct vm_area_struct *merge_existing(struct vma_merge_struct *vmg);

/*
 * Helper function to allocate a VMA and link it to the tree.
 *
 * Declared in main.c as uses static VMA function.
 */
int attach_vma(struct mm_struct *mm, struct vm_area_struct *vma);

/* Helper function providing a dummy vm_ops->close() method.*/
static inline void dummy_close(struct vm_area_struct *)
{
}

/* Helper function to simply allocate a VMA. */
struct vm_area_struct *alloc_vma(struct mm_struct *mm,
		unsigned long start, unsigned long end,
		pgoff_t pgoff, vma_flags_t vma_flags);

/* Helper function to detach and free a VMA. */
void detach_free_vma(struct vm_area_struct *vma);

/* Helper function to allocate a VMA and link it to the tree. */
struct vm_area_struct *alloc_and_link_vma(struct mm_struct *mm,
		unsigned long start, unsigned long end,
		pgoff_t pgoff, vma_flags_t vma_flags);

/*

Annotation

Implementation Notes