51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
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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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* Released under the GPL v2. (and only v2, not any later version)
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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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static size_t pkey_alloc__scnprintf_access_rights(int access_rights, char *bf, size_t size)
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{
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int i, printed = 0;
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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);
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if (access_rights == 0) {
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const char *s = strarray__pkey_alloc_access_rights.entries[0];
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if (s)
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return scnprintf(bf, size, "%s", s);
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return scnprintf(bf, size, "%d", 0);
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}
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for (i = 1; i < strarray__pkey_alloc_access_rights.nr_entries; ++i) {
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int bit = 1 << (i - 1);
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if (!(access_rights & 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 (strarray__pkey_alloc_access_rights.entries[i] != NULL)
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printed += scnprintf(bf + printed, size - printed, "%s", strarray__pkey_alloc_access_rights.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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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);
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}
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