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

40 lines
760 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 _VDSO_H
#define _VDSO_H
#include <lwp.h>
#include <mmu.h>
#include <vdso_config.h>
#include <vdso_datapage.h>
#ifdef __cplusplus
extern "C" {
#endif
extern char __vdso_text_start[];
extern char __vdso_text_end[];
#define ELF_HEAD "\177ELF"
#define ELF_HEAD_LEN 4
#define MAX_PAGES 5
#define __page_aligned_data __attribute__((section(".data.vdso.datapage"))) __attribute__((aligned(VDSO_PAGE_SIZE)))
int arch_setup_additional_pages(struct rt_lwp *lwp);
void rt_vdso_update_glob_time(void);
#ifdef __cplusplus
}
#endif
#endif /* _VDSO_H */