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// SPDX-License-Identifier: LGPL-2.1
/*
* trace/beauty/kcmp.c
*
* Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
*/
#include "trace/beauty/beauty.h"
#include <linux/kernel.h>
#include <sys/types.h>
#include <machine.h>
#include <uapi/linux/kcmp.h>
#include "trace/beauty/generated/kcmp_type_array.c"
size_t syscall_arg__scnprintf_kcmp_idx(char *bf, size_t size, struct syscall_arg *arg)
{
unsigned long fd = arg->val;
int type = syscall_arg__val(arg, 2);
pid_t pid;
if (type != KCMP_FILE)
return syscall_arg__scnprintf_long(bf, size, arg);
pid = syscall_arg__val(arg, arg->idx == 3 ? 0 : 1); /* idx1 -> pid1, idx2 -> pid2 */
return pid__scnprintf_fd(arg->trace, pid, fd, bf, size);
}
static size_t kcmp__scnprintf_type(int type, char *bf, size_t size, bool show_prefix)
{
static DEFINE_STRARRAY(kcmp_types, "KCMP_");
return strarray__scnprintf(&strarray__kcmp_types, bf, size, "%d", show_prefix, type);
}
size_t syscall_arg__scnprintf_kcmp_type(char *bf, size_t size, struct syscall_arg *arg)
{
unsigned long type = arg->val;
if (type != KCMP_FILE)
arg->mask |= (1 << 3) | (1 << 4); /* Ignore idx1 and idx2 */
return kcmp__scnprintf_type(type, bf, size, arg->show_string_prefix);
}
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