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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/perf/trace/beauty/pkey_alloc.c | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/trace/beauty/pkey_alloc.c')
-rw-r--r-- | tools/perf/trace/beauty/pkey_alloc.c | 54 |
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); +} |