path: root/tools/objtool
diff options
authorKamalesh Babulal <kamalesh@linux.vnet.ibm.com>2017-10-14 20:17:54 +0530
committerIngo Molnar <mingo@kernel.org>2017-10-18 15:22:26 +0200
commit6a93bb7e4a7d6670677d5b0eb980936eb9cc5d2e (patch)
tree3f7e6083e7c86c3a1142ed16c4e99f5d660c22d0 /tools/objtool
parent2704fbb672d0d9a19414907fda7949283dcef6a1 (diff)
objtool: Print top level commands on incorrect usage
Print top-level objtool commands, along with the error on incorrect command line usage. Objtool command line parser exit's with code 129, for incorrect usage. Convert the cmd_usage() exit code also, to maintain consistency across objtool. After the patch: $ ./objtool -j Unknown option: -j usage: objtool COMMAND [ARGS] Commands: check Perform stack metadata validation on an object file orc Generate in-place ORC unwind tables for an object file $ echo $? 129 Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Acked-by: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1507992474-16142-1-git-send-email-kamalesh@linux.vnet.ibm.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/objtool')
1 files changed, 2 insertions, 4 deletions
diff --git a/tools/objtool/objtool.c b/tools/objtool/objtool.c
index 31e0f9143840..07f329919828 100644
--- a/tools/objtool/objtool.c
+++ b/tools/objtool/objtool.c
@@ -70,7 +70,7 @@ static void cmd_usage(void)
- exit(1);
+ exit(129);
static void handle_options(int *argc, const char ***argv)
@@ -86,9 +86,7 @@ static void handle_options(int *argc, const char ***argv)
} else {
fprintf(stderr, "Unknown option: %s\n", cmd);
- fprintf(stderr, "\n Usage: %s\n",
- objtool_usage_string);
- exit(1);
+ cmd_usage();