55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
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// SPDX-License-Identifier: LGPL-2.1
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/*
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* trace/beauty/pkey_alloc.c
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*
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* Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
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*/
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#include "trace/beauty/beauty.h"
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#include <linux/kernel.h>
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#include <linux/log2.h>
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size_t strarray__scnprintf_flags(struct strarray *sa, char *bf, size_t size, bool show_prefix, unsigned long flags)
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{
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int i, printed = 0;
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if (flags == 0) {
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const char *s = sa->entries[0];
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if (s)
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return scnprintf(bf, size, "%s%s", show_prefix ? sa->prefix : "", s);
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return scnprintf(bf, size, "%d", 0);
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}
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for (i = 1; i < sa->nr_entries; ++i) {
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unsigned long bit = 1UL << (i - 1);
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if (!(flags & bit))
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continue;
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if (printed != 0)
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printed += scnprintf(bf + printed, size - printed, "|");
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if (sa->entries[i] != NULL)
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printed += scnprintf(bf + printed, size - printed, "%s%s", show_prefix ? sa->prefix : "", sa->entries[i]);
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else
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printed += scnprintf(bf + printed, size - printed, "0x%#", bit);
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}
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return printed;
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}
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static size_t pkey_alloc__scnprintf_access_rights(int access_rights, char *bf, size_t size, bool show_prefix)
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{
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#include "trace/beauty/generated/pkey_alloc_access_rights_array.c"
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static DEFINE_STRARRAY(pkey_alloc_access_rights, "PKEY_");
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return strarray__scnprintf_flags(&strarray__pkey_alloc_access_rights, bf, size, show_prefix, access_rights);
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}
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size_t syscall_arg__scnprintf_pkey_alloc_access_rights(char *bf, size_t size, struct syscall_arg *arg)
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{
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unsigned long cmd = arg->val;
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return pkey_alloc__scnprintf_access_rights(cmd, bf, size, arg->show_string_prefix);
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}
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