linux/Makefile.kcov at 940f89a5a37789b94f332755767c556a64b004e4 - linux - MSD Gitea: Git with a cup of tea

Minki/linux

mirror of https://github.com/torvalds/linux.git synced 2024-12-02 00:51:44 +00:00

Victor Chibotaru d677a4d601 Makefile: support flag -fsanitizer-coverage=trace-cmp

The flag enables Clang instrumentation of comparison operations
(currently not supported by GCC).  This instrumentation is needed by the
new KCOV device to collect comparison operands.

Link: http://lkml.kernel.org/r/20171011095459.70721-2-glider@google.com
Signed-off-by: Victor Chibotaru <tchibo@google.com>
Signed-off-by: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Andrey Konovalov <andreyknvl@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Alexander Popov <alex.popov@linux.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Vegard Nossum <vegard.nossum@oracle.com>
Cc: Quentin Casasnovas <quentin.casasnovas@oracle.com>
Cc: <syzkaller@googlegroups.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2017-11-17 16:10:04 -08:00

8 lines

201 B

Makefile

Raw Blame History

 ifdef CONFIG_KCOV
 CFLAGS_KCOV	:= $(call cc-option,-fsanitize-coverage=trace-pc,)
 ifeq ($(CONFIG_KCOV_ENABLE_COMPARISONS),y)
 CFLAGS_KCOV += $(call cc-option,-fsanitize-coverage=trace-cmp,)
 endif
 endif