1*4882a593Smuzhiyun // SPDX-License-Identifier: LGPL-2.1
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * trace/beauty/kcmp.c
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #include "trace/beauty/beauty.h"
9*4882a593Smuzhiyun #include <linux/kernel.h>
10*4882a593Smuzhiyun #include <sys/types.h>
11*4882a593Smuzhiyun #include <machine.h>
12*4882a593Smuzhiyun #include <uapi/linux/kcmp.h>
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun #include "trace/beauty/generated/kcmp_type_array.c"
15*4882a593Smuzhiyun
syscall_arg__scnprintf_kcmp_idx(char * bf,size_t size,struct syscall_arg * arg)16*4882a593Smuzhiyun size_t syscall_arg__scnprintf_kcmp_idx(char *bf, size_t size, struct syscall_arg *arg)
17*4882a593Smuzhiyun {
18*4882a593Smuzhiyun unsigned long fd = arg->val;
19*4882a593Smuzhiyun int type = syscall_arg__val(arg, 2);
20*4882a593Smuzhiyun pid_t pid;
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun if (type != KCMP_FILE)
23*4882a593Smuzhiyun return syscall_arg__scnprintf_long(bf, size, arg);
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun pid = syscall_arg__val(arg, arg->idx == 3 ? 0 : 1); /* idx1 -> pid1, idx2 -> pid2 */
26*4882a593Smuzhiyun return pid__scnprintf_fd(arg->trace, pid, fd, bf, size);
27*4882a593Smuzhiyun }
28*4882a593Smuzhiyun
kcmp__scnprintf_type(int type,char * bf,size_t size,bool show_prefix)29*4882a593Smuzhiyun static size_t kcmp__scnprintf_type(int type, char *bf, size_t size, bool show_prefix)
30*4882a593Smuzhiyun {
31*4882a593Smuzhiyun static DEFINE_STRARRAY(kcmp_types, "KCMP_");
32*4882a593Smuzhiyun return strarray__scnprintf(&strarray__kcmp_types, bf, size, "%d", show_prefix, type);
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun
syscall_arg__scnprintf_kcmp_type(char * bf,size_t size,struct syscall_arg * arg)35*4882a593Smuzhiyun size_t syscall_arg__scnprintf_kcmp_type(char *bf, size_t size, struct syscall_arg *arg)
36*4882a593Smuzhiyun {
37*4882a593Smuzhiyun unsigned long type = arg->val;
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun if (type != KCMP_FILE)
40*4882a593Smuzhiyun arg->mask |= (1 << 3) | (1 << 4); /* Ignore idx1 and idx2 */
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun return kcmp__scnprintf_type(type, bf, size, arg->show_string_prefix);
43*4882a593Smuzhiyun }
44