On Thu, Mar 29, 2018 at 09:49:30AM +0200, Christian Gmeiner wrote:
Make it possible to use gcc code coverage analysis.
Signed-off-by: Christian Gmeiner christian.gmeiner@gmail.com
.gitignore | 4 ++++ Kconfig | 8 ++++++++ Makefile | 6 ++++++ 3 files changed, 18 insertions(+)
diff --git a/.gitignore b/.gitignore index 29757aa51e..f1b801579c 100644 --- a/.gitignore +++ b/.gitignore @@ -85,3 +85,7 @@ GTAGS *.orig *~ #*#
+# gcc code coverage files +*.gcda +*.gcno diff --git a/Kconfig b/Kconfig index 6670913799..f092f72b25 100644 --- a/Kconfig +++ b/Kconfig @@ -59,6 +59,14 @@ config CC_OPTIMIZE_FOR_SIZE
This option is enabled by default for U-Boot.+config CC_COVERAGE
- bool "Enable code coverage analysis"
- default n
- depends on SANDBOX
- help
Enabling this option will pass "--coverage" to gcc to compileand link code instrumented for coverage analysis.
We shouldn't need default n, as that is the normal default. And why is this only on SANDBOX?
config DISTRO_DEFAULTS bool "Select defaults suitable for booting general purpose Linux distributions" default y if ARCH_SUNXI || TEGRA diff --git a/Makefile b/Makefile index 5fa14789d9..d06193e8f4 100644 --- a/Makefile +++ b/Makefile @@ -720,6 +720,12 @@ else PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc endif PLATFORM_LIBS += $(PLATFORM_LIBGCC)
+ifdef CONFIG_CC_COVERAGE +KBUILD_CFLAGS += --coverage +PLATFORM_LIBGCC += -lgcov
Consistent spacing please, thanks!