tools/perf/trace/beauty/seccomp.c

   1 #ifndef SECCOMP_SET_MODE_STRICT
   2 #define SECCOMP_SET_MODE_STRICT 0
   3 #endif
   4 #ifndef SECCOMP_SET_MODE_FILTER
   5 #define SECCOMP_SET_MODE_FILTER 1
   6 #endif
   7
   8 static size_t syscall_arg__scnprintf_seccomp_op(char *bf, size_t size, struct syscall_arg *arg)
   9 {
  10         int op = arg->val;
  11         size_t printed = 0;
  12
  13         switch (op) {
  14 #define P_SECCOMP_SET_MODE_OP(n) case SECCOMP_SET_MODE_##n: printed = scnprintf(bf, size, #n); break
  15         P_SECCOMP_SET_MODE_OP(STRICT);
  16         P_SECCOMP_SET_MODE_OP(FILTER);
  17 #undef P_SECCOMP_SET_MODE_OP
  18         default: printed = scnprintf(bf, size, "%#x", op);                        break;
  19         }
  20
  21         return printed;
  22 }
  23
  24 #define SCA_SECCOMP_OP  syscall_arg__scnprintf_seccomp_op
  25
  26 #ifndef SECCOMP_FILTER_FLAG_TSYNC
  27 #define SECCOMP_FILTER_FLAG_TSYNC 1
  28 #endif
  29
  30 static size_t syscall_arg__scnprintf_seccomp_flags(char *bf, size_t size,
  31                                                    struct syscall_arg *arg)
  32 {
  33         int printed = 0, flags = arg->val;
  34
  35 #define P_FLAG(n) \
  36         if (flags & SECCOMP_FILTER_FLAG_##n) { \
  37                 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
  38                 flags &= ~SECCOMP_FILTER_FLAG_##n; \
  39         }
  40
  41         P_FLAG(TSYNC);
  42 #undef P_FLAG
  43
  44         if (flags)
  45                 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
  46
  47         return printed;
  48 }
  49
  50 #define SCA_SECCOMP_FLAGS syscall_arg__scnprintf_seccomp_flags