[PATCH 2/3] objtool: Collate parse_options() users

From: Peter Zijlstra
Date: Fri Feb 26 2021 - 06:02:57 EST


Ensure there's a single place that parses check_options, in
preparation for extending where to get options from.

Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
---
tools/objtool/builtin-check.c | 14 +++++++++-----
tools/objtool/builtin-orc.c | 5 +----
tools/objtool/include/objtool/builtin.h | 2 ++
3 files changed, 12 insertions(+), 9 deletions(-)

--- a/tools/objtool/builtin-check.c
+++ b/tools/objtool/builtin-check.c
@@ -40,17 +40,21 @@ const struct option check_options[] = {
OPT_END(),
};

+int cmd_parse_options(int argc, const char **argv, const char * const usage[])
+{
+ argc = parse_options(argc, argv, check_options, usage, 0);
+ if (argc != 1)
+ usage_with_options(usage, check_options);
+ return argc;
+}
+
int cmd_check(int argc, const char **argv)
{
const char *objname, *s;
struct objtool_file *file;
int ret;

- argc = parse_options(argc, argv, check_options, check_usage, 0);
-
- if (argc != 1)
- usage_with_options(check_usage, check_options);
-
+ argc = cmd_parse_options(argc, argv, check_usage);
objname = argv[0];

s = strstr(objname, "vmlinux.o");
--- a/tools/objtool/builtin-orc.c
+++ b/tools/objtool/builtin-orc.c
@@ -34,10 +34,7 @@ int cmd_orc(int argc, const char **argv)
struct objtool_file *file;
int ret;

- argc = parse_options(argc, argv, check_options, orc_usage, 0);
- if (argc != 1)
- usage_with_options(orc_usage, check_options);
-
+ argc = cmd_parse_options(argc, argv, orc_usage);
objname = argv[0];

file = objtool_open_read(objname);
--- a/tools/objtool/include/objtool/builtin.h
+++ b/tools/objtool/include/objtool/builtin.h
@@ -11,6 +11,8 @@ extern const struct option check_options
extern bool no_fp, no_unreachable, retpoline, module, backtrace, uaccess, stats;
extern bool validate_dup, vmlinux, backup;

+extern int cmd_parse_options(int argc, const char **argv, const char * const usage[]);
+
extern int cmd_check(int argc, const char **argv);
extern int cmd_orc(int argc, const char **argv);