1 | // SPDX-License-Identifier: LGPL-2.1 |
2 | /* |
3 | * trace/beauty/pkey_alloc.c |
4 | * |
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 | |
12 | size_t strarray__scnprintf_flags(struct strarray *sa, char *bf, size_t size, bool show_prefix, unsigned long flags) |
13 | { |
14 | int i, printed = 0; |
15 | |
16 | if (flags == 0) { |
17 | const char *s = sa->entries[0]; |
18 | if (s) |
19 | return scnprintf(buf: bf, size, fmt: "%s%s" , show_prefix ? sa->prefix : "" , s); |
20 | return scnprintf(buf: bf, size, fmt: "%d" , 0); |
21 | } |
22 | |
23 | for (i = 1; i < sa->nr_entries; ++i) { |
24 | unsigned long bit = 1UL << (i - 1); |
25 | |
26 | if (!(flags & bit)) |
27 | continue; |
28 | |
29 | if (printed != 0) |
30 | printed += scnprintf(buf: bf + printed, size: size - printed, fmt: "|" ); |
31 | |
32 | if (sa->entries[i] != NULL) |
33 | printed += scnprintf(buf: bf + printed, size: size - printed, fmt: "%s%s" , show_prefix ? sa->prefix : "" , sa->entries[i]); |
34 | else |
35 | printed += scnprintf(buf: bf + printed, size: size - printed, fmt: "0x%#" , bit); |
36 | } |
37 | |
38 | return printed; |
39 | } |
40 | |
41 | static size_t pkey_alloc__scnprintf_access_rights(int access_rights, char *bf, size_t size, bool show_prefix) |
42 | { |
43 | #include "trace/beauty/generated/pkey_alloc_access_rights_array.c" |
44 | static DEFINE_STRARRAY(pkey_alloc_access_rights, "PKEY_" ); |
45 | |
46 | return strarray__scnprintf_flags(&strarray__pkey_alloc_access_rights, bf, size, show_prefix, access_rights); |
47 | } |
48 | |
49 | size_t syscall_arg__scnprintf_pkey_alloc_access_rights(char *bf, size_t size, struct syscall_arg *arg) |
50 | { |
51 | unsigned long cmd = arg->val; |
52 | |
53 | return pkey_alloc__scnprintf_access_rights(access_rights: cmd, bf, size, show_prefix: arg->show_string_prefix); |
54 | } |
55 | |