diff options
Diffstat (limited to '')
| -rw-r--r-- | tools/perf/trace/beauty/seccomp.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/tools/perf/trace/beauty/seccomp.c b/tools/perf/trace/beauty/seccomp.c new file mode 100644 index 000000000..637722e27 --- /dev/null +++ b/tools/perf/trace/beauty/seccomp.c @@ -0,0 +1,55 @@ +// SPDX-License-Identifier: LGPL-2.1 +#ifndef SECCOMP_SET_MODE_STRICT +#define SECCOMP_SET_MODE_STRICT 0 +#endif +#ifndef SECCOMP_SET_MODE_FILTER +#define SECCOMP_SET_MODE_FILTER 1 +#endif + +static size_t syscall_arg__scnprintf_seccomp_op(char *bf, size_t size, struct syscall_arg *arg) +{ + bool show_prefix = arg->show_string_prefix; + const char *prefix = "SECCOMP_SET_MODE_"; + int op = arg->val; + size_t printed = 0; + + switch (op) { +#define P_SECCOMP_SET_MODE_OP(n) case SECCOMP_SET_MODE_##n: printed = scnprintf(bf, size, "%s%s", show_prefix ? prefix : "", #n); break + P_SECCOMP_SET_MODE_OP(STRICT); + P_SECCOMP_SET_MODE_OP(FILTER); +#undef P_SECCOMP_SET_MODE_OP + default: printed = scnprintf(bf, size, "%#x", op); break; + } + + return printed; +} + +#define SCA_SECCOMP_OP syscall_arg__scnprintf_seccomp_op + +#ifndef SECCOMP_FILTER_FLAG_TSYNC +#define SECCOMP_FILTER_FLAG_TSYNC 1 +#endif + +static size_t syscall_arg__scnprintf_seccomp_flags(char *bf, size_t size, + struct syscall_arg *arg) +{ + bool show_prefix = arg->show_string_prefix; + const char *prefix = "SECCOMP_FILTER_FLAG_"; + int printed = 0, flags = arg->val; + +#define P_FLAG(n) \ + if (flags & SECCOMP_FILTER_FLAG_##n) { \ + printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \ + flags &= ~SECCOMP_FILTER_FLAG_##n; \ + } + + P_FLAG(TSYNC); +#undef P_FLAG + + if (flags) + printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); + + return printed; +} + +#define SCA_SECCOMP_FLAGS syscall_arg__scnprintf_seccomp_flags |