kernel_samsung_a34x-permissive/tools/perf/trace/beauty/pkey_alloc.c
2024-04-28 15:51:13 +02:00

51 lines
1.4 KiB
C

/*
* trace/beauty/pkey_alloc.c
*
* Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
*
* Released under the GPL v2. (and only v2, not any later version)
*/
#include "trace/beauty/beauty.h"
#include <linux/kernel.h>
#include <linux/log2.h>
static size_t pkey_alloc__scnprintf_access_rights(int access_rights, char *bf, size_t size)
{
int i, printed = 0;
#include "trace/beauty/generated/pkey_alloc_access_rights_array.c"
static DEFINE_STRARRAY(pkey_alloc_access_rights);
if (access_rights == 0) {
const char *s = strarray__pkey_alloc_access_rights.entries[0];
if (s)
return scnprintf(bf, size, "%s", s);
return scnprintf(bf, size, "%d", 0);
}
for (i = 1; i < strarray__pkey_alloc_access_rights.nr_entries; ++i) {
int bit = 1 << (i - 1);
if (!(access_rights & bit))
continue;
if (printed != 0)
printed += scnprintf(bf + printed, size - printed, "|");
if (strarray__pkey_alloc_access_rights.entries[i] != NULL)
printed += scnprintf(bf + printed, size - printed, "%s", strarray__pkey_alloc_access_rights.entries[i]);
else
printed += scnprintf(bf + printed, size - printed, "0x%#", bit);
}
return printed;
}
size_t syscall_arg__scnprintf_pkey_alloc_access_rights(char *bf, size_t size, struct syscall_arg *arg)
{
unsigned long cmd = arg->val;
return pkey_alloc__scnprintf_access_rights(cmd, bf, size);
}