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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /tools/perf/trace/beauty/pkey_alloc.c
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--tools/perf/trace/beauty/pkey_alloc.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/tools/perf/trace/beauty/pkey_alloc.c b/tools/perf/trace/beauty/pkey_alloc.c
new file mode 100644
index 000000000..f9596ed02
--- /dev/null
+++ b/tools/perf/trace/beauty/pkey_alloc.c
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: LGPL-2.1
+/*
+ * trace/beauty/pkey_alloc.c
+ *
+ * Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
+ */
+
+#include "trace/beauty/beauty.h"
+#include <linux/kernel.h>
+#include <linux/log2.h>
+
+size_t strarray__scnprintf_flags(struct strarray *sa, char *bf, size_t size, bool show_prefix, unsigned long flags)
+{
+ int i, printed = 0;
+
+ if (flags == 0) {
+ const char *s = sa->entries[0];
+ if (s)
+ return scnprintf(bf, size, "%s%s", show_prefix ? sa->prefix : "", s);
+ return scnprintf(bf, size, "%d", 0);
+ }
+
+ for (i = 1; i < sa->nr_entries; ++i) {
+ unsigned long bit = 1UL << (i - 1);
+
+ if (!(flags & bit))
+ continue;
+
+ if (printed != 0)
+ printed += scnprintf(bf + printed, size - printed, "|");
+
+ if (sa->entries[i] != NULL)
+ printed += scnprintf(bf + printed, size - printed, "%s%s", show_prefix ? sa->prefix : "", sa->entries[i]);
+ else
+ printed += scnprintf(bf + printed, size - printed, "0x%#", bit);
+ }
+
+ return printed;
+}
+
+static size_t pkey_alloc__scnprintf_access_rights(int access_rights, char *bf, size_t size, bool show_prefix)
+{
+#include "trace/beauty/generated/pkey_alloc_access_rights_array.c"
+ static DEFINE_STRARRAY(pkey_alloc_access_rights, "PKEY_");
+
+ return strarray__scnprintf_flags(&strarray__pkey_alloc_access_rights, bf, size, show_prefix, access_rights);
+}
+
+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, arg->show_string_prefix);
+}