xref: /openbmc/linux/tools/perf/trace/beauty/seccomp.c (revision be709d48)
1 // SPDX-License-Identifier: LGPL-2.1
2 #ifndef SECCOMP_SET_MODE_STRICT
3 #define SECCOMP_SET_MODE_STRICT 0
4 #endif
5 #ifndef SECCOMP_SET_MODE_FILTER
6 #define SECCOMP_SET_MODE_FILTER 1
7 #endif
8 
9 static size_t syscall_arg__scnprintf_seccomp_op(char *bf, size_t size, struct syscall_arg *arg)
10 {
11 	bool show_prefix = arg->show_string_prefix;
12 	const char *prefix = "SECCOMP_SET_MODE_";
13 	int op = arg->val;
14 	size_t printed = 0;
15 
16 	switch (op) {
17 #define	P_SECCOMP_SET_MODE_OP(n) case SECCOMP_SET_MODE_##n: printed = scnprintf(bf, size, "%s%s", show_prefix ? prefix : "", #n); break
18 	P_SECCOMP_SET_MODE_OP(STRICT);
19 	P_SECCOMP_SET_MODE_OP(FILTER);
20 #undef P_SECCOMP_SET_MODE_OP
21 	default: printed = scnprintf(bf, size, "%#x", op);			  break;
22 	}
23 
24 	return printed;
25 }
26 
27 #define SCA_SECCOMP_OP  syscall_arg__scnprintf_seccomp_op
28 
29 #ifndef SECCOMP_FILTER_FLAG_TSYNC
30 #define SECCOMP_FILTER_FLAG_TSYNC 1
31 #endif
32 
33 static size_t syscall_arg__scnprintf_seccomp_flags(char *bf, size_t size,
34 						   struct syscall_arg *arg)
35 {
36 	bool show_prefix = arg->show_string_prefix;
37 	const char *prefix = "SECCOMP_FILTER_FLAG_";
38 	int printed = 0, flags = arg->val;
39 
40 #define	P_FLAG(n) \
41 	if (flags & SECCOMP_FILTER_FLAG_##n) { \
42 		printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \
43 		flags &= ~SECCOMP_FILTER_FLAG_##n; \
44 	}
45 
46 	P_FLAG(TSYNC);
47 #undef P_FLAG
48 
49 	if (flags)
50 		printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
51 
52 	return printed;
53 }
54 
55 #define SCA_SECCOMP_FLAGS syscall_arg__scnprintf_seccomp_flags
56