[PATCH 52/63] perf beauty: Add a string table generator for x86's 'arch_prctl' codes

Arnaldo Carvalho de Melo
2018-12-18T22:15:21Z

$ tools/perf/trace/beauty/x86_arch_prctl.sh
#define x86_arch_prctl_codes_1_offset 0x1001
static const char *x86_arch_prctl_codes_1[] = {
[0x1001 - 0x1001]= "SET_GS",
[0x1002 - 0x1001]= "SET_FS",
[0x1003 - 0x1001]= "GET_FS",
[0x1004 - 0x1001]= "GET_GS",
[0x1011 - 0x1001]= "GET_CPUID",
[0x1012 - 0x1001]= "SET_CPUID",
};

#define x86_arch_prctl_codes_2_offset 0x2001
static const char *x86_arch_prctl_codes_2[] = {
[0x2001 - 0x2001]= "MAP_VDSO_X32",
[0x2002 - 0x2001]= "MAP_VDSO_32",
[0x2003 - 0x2001]= "MAP_VDSO_64",
};
$

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-w0fux1psivphhx6rve8kn3vq@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/trace/beauty/x86_arch_prctl.sh | 26 +++++++++++++++++++++++
1 file changed, 26 insertions(+)
create mode 100755 tools/perf/trace/beauty/x86_arch_prctl.sh

diff --git a/tools/perf/trace/beauty/x86_arch_prctl.sh b/tools/perf/trace/beauty/x86_arch_prctl.sh
new file mode 100755
index 000000000000..7372d3cab959
--- /dev/null
+++ b/tools/perf/trace/beauty/x86_arch_prctl.sh
@@ -0,0 +1,26 @@
+#!/bin/sh
+# Copyright (C) 2018, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
+# SPDX-License-Identifier: LGPL-2.1
+
+[ $# -eq 1 ] && x86_header_dir=$1 || x86_header_dir=tools/arch/x86/include/uapi/asm/
+
+prctl_arch_header=${x86_header_dir}/prctl.h
+
+print_range () {
+ local idx=$1
+ local prefix=$2
+ local first_entry=$3
+
+ printf "#define x86_arch_prctl_codes_%d_offset %s\n" $idx $first_entry
+ printf "static const char *x86_arch_prctl_codes_%d[] = {\n" $idx
+ regex=`printf '^[[:space:]]*#[[:space:]]*define[[:space:]]+ARCH_([[:alnum:]_]+)[[:space:]]+(%s[[:xdigit:]]+).*' ${prefix}`
+ fmt="\t[%#x - ${first_entry}]= \"%s\",\n"
+ egrep -q $regex ${prctl_arch_header} && \
+ (egrep $regex ${prctl_arch_header} | \
+ sed -r "s/$regex/\2 \1/g" | \
+ xargs printf "$fmt")
+ printf "};\n\n"
+}
+
+print_range 1 0x1 0x1001
+print_range 2 0x2 0x2001
--
2.19.2