1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _PERF_TRACE_BEAUTY_H
3 #define _PERF_TRACE_BEAUTY_H
4 
5 #include <linux/kernel.h>
6 #include <linux/types.h>
7 #include <sys/types.h>
8 
9 struct strarray {
10 	int	    offset;
11 	int	    nr_entries;
12 	const char **entries;
13 };
14 
15 #define DEFINE_STRARRAY(array) struct strarray strarray__##array = { \
16 	.nr_entries = ARRAY_SIZE(array), \
17 	.entries = array, \
18 }
19 
20 #define DEFINE_STRARRAY_OFFSET(array, off) struct strarray strarray__##array = { \
21 	.offset	    = off, \
22 	.nr_entries = ARRAY_SIZE(array), \
23 	.entries = array, \
24 }
25 
26 size_t strarray__scnprintf(struct strarray *sa, char *bf, size_t size, const char *intfmt, int val);
27 
28 struct trace;
29 struct thread;
30 
31 size_t pid__scnprintf_fd(struct trace *trace, pid_t pid, int fd, char *bf, size_t size);
32 
33 /**
34  * @val: value of syscall argument being formatted
35  * @args: All the args, use syscall_args__val(arg, nth) to access one
36  * @thread: tid state (maps, pid, tid, etc)
37  * @trace: 'perf trace' internals: all threads, etc
38  * @parm: private area, may be an strarray, for instance
39  * @idx: syscall arg idx (is this the first?)
40  * @mask: a syscall arg may mask another arg, see syscall_arg__scnprintf_futex_op
41  */
42 
43 struct syscall_arg {
44 	unsigned long val;
45 	unsigned char *args;
46 	struct thread *thread;
47 	struct trace  *trace;
48 	void	      *parm;
49 	u8	      idx;
50 	u8	      mask;
51 };
52 
53 unsigned long syscall_arg__val(struct syscall_arg *arg, u8 idx);
54 
55 size_t syscall_arg__scnprintf_strarrays(char *bf, size_t size, struct syscall_arg *arg);
56 #define SCA_STRARRAYS syscall_arg__scnprintf_strarrays
57 
58 size_t syscall_arg__scnprintf_fd(char *bf, size_t size, struct syscall_arg *arg);
59 #define SCA_FD syscall_arg__scnprintf_fd
60 
61 size_t syscall_arg__scnprintf_hex(char *bf, size_t size, struct syscall_arg *arg);
62 #define SCA_HEX syscall_arg__scnprintf_hex
63 
64 size_t syscall_arg__scnprintf_int(char *bf, size_t size, struct syscall_arg *arg);
65 #define SCA_INT syscall_arg__scnprintf_int
66 
67 size_t syscall_arg__scnprintf_long(char *bf, size_t size, struct syscall_arg *arg);
68 #define SCA_LONG syscall_arg__scnprintf_long
69 
70 size_t syscall_arg__scnprintf_pid(char *bf, size_t size, struct syscall_arg *arg);
71 #define SCA_PID syscall_arg__scnprintf_pid
72 
73 size_t syscall_arg__scnprintf_clone_flags(char *bf, size_t size, struct syscall_arg *arg);
74 #define SCA_CLONE_FLAGS syscall_arg__scnprintf_clone_flags
75 
76 size_t syscall_arg__scnprintf_fcntl_cmd(char *bf, size_t size, struct syscall_arg *arg);
77 #define SCA_FCNTL_CMD syscall_arg__scnprintf_fcntl_cmd
78 
79 size_t syscall_arg__scnprintf_fcntl_arg(char *bf, size_t size, struct syscall_arg *arg);
80 #define SCA_FCNTL_ARG syscall_arg__scnprintf_fcntl_arg
81 
82 size_t syscall_arg__scnprintf_flock(char *bf, size_t size, struct syscall_arg *arg);
83 #define SCA_FLOCK syscall_arg__scnprintf_flock
84 
85 size_t syscall_arg__scnprintf_ioctl_cmd(char *bf, size_t size, struct syscall_arg *arg);
86 #define SCA_IOCTL_CMD syscall_arg__scnprintf_ioctl_cmd
87 
88 size_t syscall_arg__scnprintf_kcmp_type(char *bf, size_t size, struct syscall_arg *arg);
89 #define SCA_KCMP_TYPE syscall_arg__scnprintf_kcmp_type
90 
91 size_t syscall_arg__scnprintf_kcmp_idx(char *bf, size_t size, struct syscall_arg *arg);
92 #define SCA_KCMP_IDX syscall_arg__scnprintf_kcmp_idx
93 
94 size_t syscall_arg__scnprintf_pkey_alloc_access_rights(char *bf, size_t size, struct syscall_arg *arg);
95 #define SCA_PKEY_ALLOC_ACCESS_RIGHTS syscall_arg__scnprintf_pkey_alloc_access_rights
96 
97 size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, struct syscall_arg *arg);
98 #define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags
99 
100 size_t syscall_arg__scnprintf_prctl_option(char *bf, size_t size, struct syscall_arg *arg);
101 #define SCA_PRCTL_OPTION syscall_arg__scnprintf_prctl_option
102 
103 size_t syscall_arg__scnprintf_prctl_arg2(char *bf, size_t size, struct syscall_arg *arg);
104 #define SCA_PRCTL_ARG2 syscall_arg__scnprintf_prctl_arg2
105 
106 size_t syscall_arg__scnprintf_prctl_arg3(char *bf, size_t size, struct syscall_arg *arg);
107 #define SCA_PRCTL_ARG3 syscall_arg__scnprintf_prctl_arg3
108 
109 size_t syscall_arg__scnprintf_socket_protocol(char *bf, size_t size, struct syscall_arg *arg);
110 #define SCA_SK_PROTO syscall_arg__scnprintf_socket_protocol
111 
112 size_t syscall_arg__scnprintf_statx_flags(char *bf, size_t size, struct syscall_arg *arg);
113 #define SCA_STATX_FLAGS syscall_arg__scnprintf_statx_flags
114 
115 size_t syscall_arg__scnprintf_statx_mask(char *bf, size_t size, struct syscall_arg *arg);
116 #define SCA_STATX_MASK syscall_arg__scnprintf_statx_mask
117 
118 size_t open__scnprintf_flags(unsigned long flags, char *bf, size_t size);
119 
120 void syscall_arg__set_ret_scnprintf(struct syscall_arg *arg,
121 				    size_t (*ret_scnprintf)(char *bf, size_t size, struct syscall_arg *arg));
122 
123 const char *arch_syscalls__strerrno(const char *arch, int err);
124 
125 #endif /* _PERF_TRACE_BEAUTY_H */
126