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Diffstat (limited to 'kernel/tests/include/parse_vdso.h')
| -rw-r--r-- | kernel/tests/include/parse_vdso.h | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/kernel/tests/include/parse_vdso.h b/kernel/tests/include/parse_vdso.h deleted file mode 100644 index 5212fc6..0000000 --- a/kernel/tests/include/parse_vdso.h +++ /dev/null @@ -1,41 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (c) 2020 Linaro Limited. All rights reserved. - * Author: Viresh Kumar <viresh.kumar@linaro.org> - */ - -#ifndef PARSE_VDSO_H__ -#define PARSE_VDSO_H__ - -#include <stdint.h> - -/* - * To use this vDSO parser, first call one of the vdso_init_* functions. - * If you've already parsed auxv, then pass the value of AT_SYSINFO_EHDR - * to vdso_init_from_sysinfo_ehdr. Otherwise pass auxv to vdso_init_from_auxv. - * Then call vdso_sym for each symbol you want. For example, to look up - * gettimeofday on x86_64, use: - * - * <some pointer> = vdso_sym("LINUX_2.6", "gettimeofday"); - * or - * <some pointer> = vdso_sym("LINUX_2.6", "__vdso_gettimeofday"); - * - * vdso_sym will return 0 if the symbol doesn't exist or if the init function - * failed or was not called. vdso_sym is a little slow, so its return value - * should be cached. - * - * vdso_sym is threadsafe; the init functions are not. - * - * These are the prototypes: - */ - -#include <time.h> - -extern void vdso_init_from_auxv(void *auxv); -extern void vdso_init_from_sysinfo_ehdr(uintptr_t base); -extern void *vdso_sym(const char *version, const char *name); - -typedef int (*gettime_t)(clockid_t clk_id, void *ts); -void find_clock_gettime_vdso(gettime_t *ptr_vdso_gettime, - gettime_t *ptr_vdso_gettime64); -#endif /* PARSE_VDSO_H__ */ |
