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| author | Josh Poimboeuf <jpoimboe@redhat.com> | 2016-03-09 00:06:53 -0600 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-03-09 10:48:08 +0100 |
| commit | d435fb5ef74c31909ca58f93aa87ad09b17bbe9a (patch) | |
| tree | 47729c99bbd55cd4239a8a9a93e712a07f6b87e6 | |
| parent | b1e03249510b32645826bbf61a1452dd766c2e5c (diff) | |
| download | linux-d435fb5ef74c31909ca58f93aa87ad09b17bbe9a.tar.gz linux-d435fb5ef74c31909ca58f93aa87ad09b17bbe9a.tar.bz2 linux-d435fb5ef74c31909ca58f93aa87ad09b17bbe9a.zip | |
objtool: Compile with debugging symbols
Compile objtool with debugging symbols ('-g') to help tools like perf
and gdb understand what it's doing. Combined with '-O2', it's not
always helpful, but it's better than nothing.
Reported-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Bernd Petrovitsch <bernd@petrovitsch.priv.at>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Chris J Arges <chris.j.arges@canonical.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Pedro Alves <palves@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: live-patching@vger.kernel.org
Link: http://lkml.kernel.org/r/c295e9ee9ed360dc8b2e1d180c859f11cfc151ef.1457502970.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
| -rw-r--r-- | tools/objtool/Makefile | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile index e4a6bd528bf0..6765c7e949f3 100644 --- a/tools/objtool/Makefile +++ b/tools/objtool/Makefile @@ -27,7 +27,7 @@ OBJTOOL_IN := $(OBJTOOL)-in.o all: $(OBJTOOL) INCLUDES := -I$(srctree)/tools/include -CFLAGS += -Wall -Werror $(EXTRA_WARNINGS) -fomit-frame-pointer -O2 $(INCLUDES) +CFLAGS += -Wall -Werror $(EXTRA_WARNINGS) -fomit-frame-pointer -O2 -g $(INCLUDES) LDFLAGS += -lelf $(LIBSUBCMD) AWK = awk |