projects / thirdparty / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 794f594e | 1 | // SPDX-License-Identifier: LGPL-2.1 |
| 33396a3a ACM |
2 | /* |
| 3 | * trace/beauty/cone.c | |
| 4 | * | |
| 5 | * Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com> | |
| 33396a3a ACM |
6 | */ |
| 7 | ||
| 8 | #include "trace/beauty/beauty.h" | |
| 9 | #include <linux/kernel.h> | |
| 10 | #include <sys/types.h> | |
| 11 | #include <uapi/linux/sched.h> | |
| 12 | ||
| c65c83ff | 13 | static size_t clone__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix) |
| 33396a3a | 14 | { |
| c65c83ff | 15 | const char *prefix = "CLONE_"; |
| 33396a3a ACM |
16 | int printed = 0; |
| 17 | ||
| 18 | #define P_FLAG(n) \ | |
| 19 | if (flags & CLONE_##n) { \ | |
| c65c83ff | 20 | printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \ |
| 33396a3a ACM |
21 | flags &= ~CLONE_##n; \ |
| 22 | } | |
| 23 | ||
| 24 | P_FLAG(VM); | |
| 25 | P_FLAG(FS); | |
| 26 | P_FLAG(FILES); | |
| 27 | P_FLAG(SIGHAND); | |
| ee364dcd | 28 | P_FLAG(PIDFD); |
| 33396a3a ACM |
29 | P_FLAG(PTRACE); |
| 30 | P_FLAG(VFORK); | |
| 31 | P_FLAG(PARENT); | |
| 32 | P_FLAG(THREAD); | |
| 33 | P_FLAG(NEWNS); | |
| 34 | P_FLAG(SYSVSEM); | |
| 35 | P_FLAG(SETTLS); | |
| 36 | P_FLAG(PARENT_SETTID); | |
| 37 | P_FLAG(CHILD_CLEARTID); | |
| 38 | P_FLAG(DETACHED); | |
| 39 | P_FLAG(UNTRACED); | |
| 40 | P_FLAG(CHILD_SETTID); | |
| 41 | P_FLAG(NEWCGROUP); | |
| 42 | P_FLAG(NEWUTS); | |
| 43 | P_FLAG(NEWIPC); | |
| 44 | P_FLAG(NEWUSER); | |
| 45 | P_FLAG(NEWPID); | |
| 46 | P_FLAG(NEWNET); | |
| 47 | P_FLAG(IO); | |
| f6661125 | 48 | P_FLAG(CLEAR_SIGHAND); |
| 027fa8fb | 49 | P_FLAG(INTO_CGROUP); |
| 33396a3a ACM |
50 | #undef P_FLAG |
| 51 | ||
| 52 | if (flags) | |
| 53 | printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); | |
| 54 | ||
| 55 | return printed; | |
| 56 | } | |
| 57 | ||
| 58 | size_t syscall_arg__scnprintf_clone_flags(char *bf, size_t size, struct syscall_arg *arg) | |
| 59 | { | |
| 15bed274 ACM |
60 | unsigned long flags = arg->val; |
| 61 | enum syscall_clone_args { | |
| 62 | SCC_FLAGS = (1 << 0), | |
| 63 | SCC_CHILD_STACK = (1 << 1), | |
| 64 | SCC_PARENT_TIDPTR = (1 << 2), | |
| 65 | SCC_CHILD_TIDPTR = (1 << 3), | |
| 66 | SCC_TLS = (1 << 4), | |
| 67 | }; | |
| 68 | if (!(flags & CLONE_PARENT_SETTID)) | |
| 69 | arg->mask |= SCC_PARENT_TIDPTR; | |
| 70 | ||
| 71 | if (!(flags & (CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID))) | |
| 72 | arg->mask |= SCC_CHILD_TIDPTR; | |
| 73 | ||
| 74 | if (!(flags & CLONE_SETTLS)) | |
| 75 | arg->mask |= SCC_TLS; | |
| 76 | ||
| c65c83ff | 77 | return clone__scnprintf_flags(flags, bf, size, arg->show_string_prefix); |
| 33396a3a | 78 | } |