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author | orivej <orivej@yandex-team.ru> | 2022-02-10 16:45:01 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:45:01 +0300 |
commit | 2d37894b1b037cf24231090eda8589bbb44fb6fc (patch) | |
tree | be835aa92c6248212e705f25388ebafcf84bc7a1 /contrib/libs/linux-headers/linux/kcov.h | |
parent | 718c552901d703c502ccbefdfc3c9028d608b947 (diff) | |
download | ydb-2d37894b1b037cf24231090eda8589bbb44fb6fc.tar.gz |
Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/linux-headers/linux/kcov.h')
-rw-r--r-- | contrib/libs/linux-headers/linux/kcov.h | 126 |
1 files changed, 63 insertions, 63 deletions
diff --git a/contrib/libs/linux-headers/linux/kcov.h b/contrib/libs/linux-headers/linux/kcov.h index 56e24884bd..b02a4ef5ea 100644 --- a/contrib/libs/linux-headers/linux/kcov.h +++ b/contrib/libs/linux-headers/linux/kcov.h @@ -1,63 +1,63 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -#ifndef _LINUX_KCOV_IOCTLS_H -#define _LINUX_KCOV_IOCTLS_H - -#include <linux/types.h> - -/* - * Argument for KCOV_REMOTE_ENABLE ioctl, see Documentation/dev-tools/kcov.rst - * and the comment before kcov_remote_start() for usage details. - */ -struct kcov_remote_arg { - __u32 trace_mode; /* KCOV_TRACE_PC or KCOV_TRACE_CMP */ - __u32 area_size; /* Length of coverage buffer in words */ - __u32 num_handles; /* Size of handles array */ - __aligned_u64 common_handle; - __aligned_u64 handles[0]; -}; - -#define KCOV_REMOTE_MAX_HANDLES 0x100 - -#define KCOV_INIT_TRACE _IOR('c', 1, unsigned long) -#define KCOV_ENABLE _IO('c', 100) -#define KCOV_DISABLE _IO('c', 101) -#define KCOV_REMOTE_ENABLE _IOW('c', 102, struct kcov_remote_arg) - -enum { - /* - * Tracing coverage collection mode. - * Covered PCs are collected in a per-task buffer. - * In new KCOV version the mode is chosen by calling - * ioctl(fd, KCOV_ENABLE, mode). In older versions the mode argument - * was supposed to be 0 in such a call. So, for reasons of backward - * compatibility, we have chosen the value KCOV_TRACE_PC to be 0. - */ - KCOV_TRACE_PC = 0, - /* Collecting comparison operands mode. */ - KCOV_TRACE_CMP = 1, -}; - -/* - * The format for the types of collected comparisons. - * - * Bit 0 shows whether one of the arguments is a compile-time constant. - * Bits 1 & 2 contain log2 of the argument size, up to 8 bytes. - */ -#define KCOV_CMP_CONST (1 << 0) -#define KCOV_CMP_SIZE(n) ((n) << 1) -#define KCOV_CMP_MASK KCOV_CMP_SIZE(3) - -#define KCOV_SUBSYSTEM_COMMON (0x00ull << 56) -#define KCOV_SUBSYSTEM_USB (0x01ull << 56) - -#define KCOV_SUBSYSTEM_MASK (0xffull << 56) -#define KCOV_INSTANCE_MASK (0xffffffffull) - -static __inline__ __u64 kcov_remote_handle(__u64 subsys, __u64 inst) -{ - if (subsys & ~KCOV_SUBSYSTEM_MASK || inst & ~KCOV_INSTANCE_MASK) - return 0; - return subsys | inst; -} - -#endif /* _LINUX_KCOV_IOCTLS_H */ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _LINUX_KCOV_IOCTLS_H +#define _LINUX_KCOV_IOCTLS_H + +#include <linux/types.h> + +/* + * Argument for KCOV_REMOTE_ENABLE ioctl, see Documentation/dev-tools/kcov.rst + * and the comment before kcov_remote_start() for usage details. + */ +struct kcov_remote_arg { + __u32 trace_mode; /* KCOV_TRACE_PC or KCOV_TRACE_CMP */ + __u32 area_size; /* Length of coverage buffer in words */ + __u32 num_handles; /* Size of handles array */ + __aligned_u64 common_handle; + __aligned_u64 handles[0]; +}; + +#define KCOV_REMOTE_MAX_HANDLES 0x100 + +#define KCOV_INIT_TRACE _IOR('c', 1, unsigned long) +#define KCOV_ENABLE _IO('c', 100) +#define KCOV_DISABLE _IO('c', 101) +#define KCOV_REMOTE_ENABLE _IOW('c', 102, struct kcov_remote_arg) + +enum { + /* + * Tracing coverage collection mode. + * Covered PCs are collected in a per-task buffer. + * In new KCOV version the mode is chosen by calling + * ioctl(fd, KCOV_ENABLE, mode). In older versions the mode argument + * was supposed to be 0 in such a call. So, for reasons of backward + * compatibility, we have chosen the value KCOV_TRACE_PC to be 0. + */ + KCOV_TRACE_PC = 0, + /* Collecting comparison operands mode. */ + KCOV_TRACE_CMP = 1, +}; + +/* + * The format for the types of collected comparisons. + * + * Bit 0 shows whether one of the arguments is a compile-time constant. + * Bits 1 & 2 contain log2 of the argument size, up to 8 bytes. + */ +#define KCOV_CMP_CONST (1 << 0) +#define KCOV_CMP_SIZE(n) ((n) << 1) +#define KCOV_CMP_MASK KCOV_CMP_SIZE(3) + +#define KCOV_SUBSYSTEM_COMMON (0x00ull << 56) +#define KCOV_SUBSYSTEM_USB (0x01ull << 56) + +#define KCOV_SUBSYSTEM_MASK (0xffull << 56) +#define KCOV_INSTANCE_MASK (0xffffffffull) + +static __inline__ __u64 kcov_remote_handle(__u64 subsys, __u64 inst) +{ + if (subsys & ~KCOV_SUBSYSTEM_MASK || inst & ~KCOV_INSTANCE_MASK) + return 0; + return subsys | inst; +} + +#endif /* _LINUX_KCOV_IOCTLS_H */ |