Make it possible to use gcc code coverage analysis.
Signed-off-by: Christian Gmeiner <christian.gmei...@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 compile
+ and link code instrumented for coverage analysis.
+
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
+endif
+
export PLATFORM_LIBS
export PLATFORM_LIBGCC
--
2.14.3
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