rt-thread/components/lwp/vdso/kernel/vdso_kernel.h

40 lines
891 B
C

/*
* Copyright (c) 2006-2024 RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2024-07-04 rcitach init ver.
*/
#ifndef RT_VDSO_KERNEL_H
#define RT_VDSO_KERNEL_H
#include <lwp.h>
#include <vdso_constants.h>
#include <vdso_data_page.h>
#ifdef __cplusplus
extern "C" {
#endif
extern char __rt_vdso_image_start[];
extern char __rt_vdso_image_end[];
#define RT_VDSO_IMAGE_ELF_MAGIC "\177ELF"
#define RT_VDSO_IMAGE_ELF_MAGIC_LEN 4
#define RT_VDSO_DATA_PAGE_ALIGNED \
__attribute__((section(".data.vdso.datapage"))) \
__attribute__((aligned(RT_VDSO_PAGE_SIZE)))
int rt_vdso_map_process_image(struct rt_lwp *lwp);
void rt_vdso_sync_clock_data(void);
void rt_vdso_set_realtime(const struct timespec *realtime);
#ifdef __cplusplus
}
#endif
#endif /* RT_VDSO_KERNEL_H */