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1// SPDX-License-Identifier: LGPL-2.12/*3 * trace/beauty/cone.c4 *5 * Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>6 */7 8#include "trace/beauty/beauty.h"9#include <linux/kernel.h>10#include <linux/log2.h>11#include <sys/types.h>12#include <sched.h>13 14static size_t clone__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix)15{16#include "trace/beauty/generated/clone_flags_array.c"17 static DEFINE_STRARRAY(clone_flags, "CLONE_");18 19 return strarray__scnprintf_flags(&strarray__clone_flags, bf, size, show_prefix, flags);20}21 22size_t syscall_arg__scnprintf_clone_flags(char *bf, size_t size, struct syscall_arg *arg)23{24 unsigned long flags = arg->val;25 enum syscall_clone_args {26 SCC_FLAGS = (1 << 0),27 SCC_CHILD_STACK = (1 << 1),28 SCC_PARENT_TIDPTR = (1 << 2),29 SCC_CHILD_TIDPTR = (1 << 3),30 SCC_TLS = (1 << 4),31 };32 if (!(flags & CLONE_PARENT_SETTID))33 arg->mask |= SCC_PARENT_TIDPTR;34 35 if (!(flags & (CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)))36 arg->mask |= SCC_CHILD_TIDPTR;37 38 if (!(flags & CLONE_SETTLS))39 arg->mask |= SCC_TLS;40 41 return clone__scnprintf_flags(flags, bf, size, arg->show_string_prefix);42}43