1*4882a593Smuzhiyun // SPDX-License-Identifier: LGPL-2.1
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * trace/beauty/pkey_alloc.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 <linux/log2.h>
11*4882a593Smuzhiyun
strarray__scnprintf_flags(struct strarray * sa,char * bf,size_t size,bool show_prefix,unsigned long flags)12*4882a593Smuzhiyun size_t strarray__scnprintf_flags(struct strarray *sa, char *bf, size_t size, bool show_prefix, unsigned long flags)
13*4882a593Smuzhiyun {
14*4882a593Smuzhiyun int i, printed = 0;
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun if (flags == 0) {
17*4882a593Smuzhiyun const char *s = sa->entries[0];
18*4882a593Smuzhiyun if (s)
19*4882a593Smuzhiyun return scnprintf(bf, size, "%s%s", show_prefix ? sa->prefix : "", s);
20*4882a593Smuzhiyun return scnprintf(bf, size, "%d", 0);
21*4882a593Smuzhiyun }
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun for (i = 1; i < sa->nr_entries; ++i) {
24*4882a593Smuzhiyun unsigned long bit = 1UL << (i - 1);
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun if (!(flags & bit))
27*4882a593Smuzhiyun continue;
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun if (printed != 0)
30*4882a593Smuzhiyun printed += scnprintf(bf + printed, size - printed, "|");
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun if (sa->entries[i] != NULL)
33*4882a593Smuzhiyun printed += scnprintf(bf + printed, size - printed, "%s%s", show_prefix ? sa->prefix : "", sa->entries[i]);
34*4882a593Smuzhiyun else
35*4882a593Smuzhiyun printed += scnprintf(bf + printed, size - printed, "0x%#", bit);
36*4882a593Smuzhiyun }
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun return printed;
39*4882a593Smuzhiyun }
40*4882a593Smuzhiyun
pkey_alloc__scnprintf_access_rights(int access_rights,char * bf,size_t size,bool show_prefix)41*4882a593Smuzhiyun static size_t pkey_alloc__scnprintf_access_rights(int access_rights, char *bf, size_t size, bool show_prefix)
42*4882a593Smuzhiyun {
43*4882a593Smuzhiyun #include "trace/beauty/generated/pkey_alloc_access_rights_array.c"
44*4882a593Smuzhiyun static DEFINE_STRARRAY(pkey_alloc_access_rights, "PKEY_");
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun return strarray__scnprintf_flags(&strarray__pkey_alloc_access_rights, bf, size, show_prefix, access_rights);
47*4882a593Smuzhiyun }
48*4882a593Smuzhiyun
syscall_arg__scnprintf_pkey_alloc_access_rights(char * bf,size_t size,struct syscall_arg * arg)49*4882a593Smuzhiyun size_t syscall_arg__scnprintf_pkey_alloc_access_rights(char *bf, size_t size, struct syscall_arg *arg)
50*4882a593Smuzhiyun {
51*4882a593Smuzhiyun unsigned long cmd = arg->val;
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun return pkey_alloc__scnprintf_access_rights(cmd, bf, size, arg->show_string_prefix);
54*4882a593Smuzhiyun }
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