blob: f10af3da7b21cc15cd4bb3fac6d07b3ad0f40303 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LIBPERF_INTERNAL_XYARRAY_H
#define __LIBPERF_INTERNAL_XYARRAY_H
#include <linux/compiler.h>
#include <sys/types.h>
struct xyarray {
size_t row_size;
size_t entry_size;
size_t entries;
size_t max_x;
size_t max_y;
char contents[] __aligned(8);
};
struct xyarray *xyarray__new(int xlen, int ylen, size_t entry_size);
void xyarray__delete(struct xyarray *xy);
void xyarray__reset(struct xyarray *xy);
static inline void *__xyarray__entry(struct xyarray *xy, int x, int y)
{
return &xy->contents[x * xy->row_size + y * xy->entry_size];
}
static inline void *xyarray__entry(struct xyarray *xy, size_t x, size_t y)
{
if (x >= xy->max_x || y >= xy->max_y)
return NULL;
return __xyarray__entry(xy, x, y);
}
static inline int xyarray__max_y(struct xyarray *xy)
{
return xy->max_y;
}
static inline int xyarray__max_x(struct xyarray *xy)
{
return xy->max_x;
}
#endif /* __LIBPERF_INTERNAL_XYARRAY_H */
|
