From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- tools/perf/trace/beauty/clone.c | 78 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 tools/perf/trace/beauty/clone.c (limited to 'tools/perf/trace/beauty/clone.c') diff --git a/tools/perf/trace/beauty/clone.c b/tools/perf/trace/beauty/clone.c new file mode 100644 index 000000000..f4db894e0 --- /dev/null +++ b/tools/perf/trace/beauty/clone.c @@ -0,0 +1,78 @@ +// SPDX-License-Identifier: LGPL-2.1 +/* + * trace/beauty/cone.c + * + * Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo + */ + +#include "trace/beauty/beauty.h" +#include +#include +#include + +static size_t clone__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix) +{ + const char *prefix = "CLONE_"; + int printed = 0; + +#define P_FLAG(n) \ + if (flags & CLONE_##n) { \ + printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \ + flags &= ~CLONE_##n; \ + } + + P_FLAG(VM); + P_FLAG(FS); + P_FLAG(FILES); + P_FLAG(SIGHAND); + P_FLAG(PIDFD); + P_FLAG(PTRACE); + P_FLAG(VFORK); + P_FLAG(PARENT); + P_FLAG(THREAD); + P_FLAG(NEWNS); + P_FLAG(SYSVSEM); + P_FLAG(SETTLS); + P_FLAG(PARENT_SETTID); + P_FLAG(CHILD_CLEARTID); + P_FLAG(DETACHED); + P_FLAG(UNTRACED); + P_FLAG(CHILD_SETTID); + P_FLAG(NEWCGROUP); + P_FLAG(NEWUTS); + P_FLAG(NEWIPC); + P_FLAG(NEWUSER); + P_FLAG(NEWPID); + P_FLAG(NEWNET); + P_FLAG(IO); + P_FLAG(CLEAR_SIGHAND); + P_FLAG(INTO_CGROUP); +#undef P_FLAG + + if (flags) + printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); + + return printed; +} + +size_t syscall_arg__scnprintf_clone_flags(char *bf, size_t size, struct syscall_arg *arg) +{ + unsigned long flags = arg->val; + enum syscall_clone_args { + SCC_FLAGS = (1 << 0), + SCC_CHILD_STACK = (1 << 1), + SCC_PARENT_TIDPTR = (1 << 2), + SCC_CHILD_TIDPTR = (1 << 3), + SCC_TLS = (1 << 4), + }; + if (!(flags & CLONE_PARENT_SETTID)) + arg->mask |= SCC_PARENT_TIDPTR; + + if (!(flags & (CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID))) + arg->mask |= SCC_CHILD_TIDPTR; + + if (!(flags & CLONE_SETTLS)) + arg->mask |= SCC_TLS; + + return clone__scnprintf_flags(flags, bf, size, arg->show_string_prefix); +} -- cgit v1.2.3