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1// SPDX-License-Identifier: LGPL-2.12/*3 * trace/beauty/pkey_alloc.c4 *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 12size_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(bf, size, "%s%s", show_prefix ? sa->prefix : "", s);20 return scnprintf(bf, size, "%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(bf + printed, size - printed, "|");31 32 if (sa->entries[i] != NULL)33 printed += scnprintf(bf + printed, size - printed, "%s%s", show_prefix ? sa->prefix : "", sa->entries[i]);34 else35 printed += scnprintf(bf + printed, size - printed, "0x%#", bit);36 }37 38 return printed;39}40 41static 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 49size_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(cmd, bf, size, arg->show_string_prefix);54}55