1 // SPDX-License-Identifier: LGPL-2.1
5 * Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
8 #include "trace/beauty/beauty.h"
9 #include <linux/kernel.h>
10 #include <sys/types.h>
12 #include <uapi/linux/kcmp.h>
14 #include "trace/beauty/generated/kcmp_type_array.c"
16 size_t syscall_arg__scnprintf_kcmp_idx(char *bf, size_t size, struct syscall_arg *arg)
18 unsigned long fd = arg->val;
19 int type = syscall_arg__val(arg, 2);
22 if (type != KCMP_FILE)
23 return syscall_arg__scnprintf_long(bf, size, arg);
25 pid = syscall_arg__val(arg, arg->idx == 3 ? 0 : 1); /* idx1 -> pid1, idx2 -> pid2 */
26 return pid__scnprintf_fd(arg->trace, pid, fd, bf, size);
29 static size_t kcmp__scnprintf_type(int type, char *bf, size_t size, bool show_prefix)
31 static DEFINE_STRARRAY(kcmp_types, "KCMP_");
32 return strarray__scnprintf(&strarray__kcmp_types, bf, size, "%d", show_prefix, type);
35 size_t syscall_arg__scnprintf_kcmp_type(char *bf, size_t size, struct syscall_arg *arg)
37 unsigned long type = arg->val;
39 if (type != KCMP_FILE)
40 arg->mask |= (1 << 3) | (1 << 4); /* Ignore idx1 and idx2 */
42 return kcmp__scnprintf_type(type, bf, size, arg->show_string_prefix);