[PATCH 01/24] objtool: Use existing global variables for options

From: Peter Zijlstra
Date: Tue Jan 23 2018 - 10:42:21 EST


Use the existing global variables instead of passing them around and
creating duplicate global variables.

Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
---
tools/objtool/builtin-check.c | 2 +-
tools/objtool/builtin-orc.c | 6 +-----
tools/objtool/builtin.h | 5 +++++
tools/objtool/check.c | 5 ++---
tools/objtool/check.h | 2 +-
5 files changed, 10 insertions(+), 10 deletions(-)

--- a/tools/objtool/builtin-check.c
+++ b/tools/objtool/builtin-check.c
@@ -53,5 +53,5 @@ int cmd_check(int argc, const char **arg

objname = argv[0];

- return check(objname, no_fp, no_unreachable, false);
+ return check(objname, false);
}
--- a/tools/objtool/builtin-orc.c
+++ b/tools/objtool/builtin-orc.c
@@ -25,7 +25,6 @@
*/

#include <string.h>
-#include <subcmd/parse-options.h>
#include "builtin.h"
#include "check.h"

@@ -36,9 +35,6 @@ static const char *orc_usage[] = {
NULL,
};

-extern const struct option check_options[];
-extern bool no_fp, no_unreachable;
-
int cmd_orc(int argc, const char **argv)
{
const char *objname;
@@ -51,7 +47,7 @@ int cmd_orc(int argc, const char **argv)

objname = argv[0];

- return check(objname, no_fp, no_unreachable, true);
+ return check(objname, true);

}

--- a/tools/objtool/builtin.h
+++ b/tools/objtool/builtin.h
@@ -17,6 +17,11 @@
#ifndef _BUILTIN_H
#define _BUILTIN_H

+#include <subcmd/parse-options.h>
+
+extern const struct option check_options[];
+extern bool no_fp, no_unreachable;
+
extern int cmd_check(int argc, const char **argv);
extern int cmd_orc(int argc, const char **argv);

--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -18,6 +18,7 @@
#include <string.h>
#include <stdlib.h>

+#include "builtin.h"
#include "check.h"
#include "elf.h"
#include "special.h"
@@ -33,7 +34,6 @@ struct alternative {
};

const char *objname;
-static bool no_fp;
struct cfi_state initial_func_cfi;

struct instruction *find_insn(struct objtool_file *file,
@@ -1973,13 +1973,12 @@ static void cleanup(struct objtool_file
elf_close(file->elf);
}

-int check(const char *_objname, bool _no_fp, bool no_unreachable, bool orc)
+int check(const char *_objname, bool orc)
{
struct objtool_file file;
int ret, warnings = 0;

objname = _objname;
- no_fp = _no_fp;

file.elf = elf_open(objname, orc ? O_RDWR : O_RDONLY);
if (!file.elf)
--- a/tools/objtool/check.h
+++ b/tools/objtool/check.h
@@ -62,7 +62,7 @@ struct objtool_file {
bool ignore_unreachables, c_file, hints;
};

-int check(const char *objname, bool no_fp, bool no_unreachable, bool orc);
+int check(const char *objname, bool orc);

struct instruction *find_insn(struct objtool_file *file,
struct section *sec, unsigned long offset);