LXR linux/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
   8static 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
  30static 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
  51