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54 lines
1.5 KiB
54 lines
1.5 KiB
// 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 <[email protected]> |
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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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