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kconfig: add CONFIG_CC_COVERAGE

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Make it possible to use gcc code coverage analysis.

v1 -> v2:
 - Kconfig: remove not needed 'default n'
 - Makefile: use consistent spacing

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Christian Gmeiner 2018-04-09 17:11:45 +02:00 committed by Tom Rini
parent cd5d274252
commit 52ff8020d0
3 changed files with 17 additions and 0 deletions
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4
.gitignore vendored
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@ -85,3 +85,7 @@ GTAGS
*.orig *.orig
*~ *~
\#*# \#*#
# gcc code coverage files
*.gcda
*.gcno

7
Kconfig
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@ -59,6 +59,13 @@ config CC_OPTIMIZE_FOR_SIZE
This option is enabled by default for U-Boot. This option is enabled by default for U-Boot.
config CC_COVERAGE
bool "Enable code coverage analysis"
depends on SANDBOX
help
Enabling this option will pass "--coverage" to gcc to compile
and link code instrumented for coverage analysis.
config DISTRO_DEFAULTS config DISTRO_DEFAULTS
bool "Select defaults suitable for booting general purpose Linux distributions" bool "Select defaults suitable for booting general purpose Linux distributions"
default y if ARCH_SUNXI || TEGRA default y if ARCH_SUNXI || TEGRA

6
Makefile
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@ -725,6 +725,12 @@ else
PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc
endif endif
PLATFORM_LIBS += $(PLATFORM_LIBGCC) PLATFORM_LIBS += $(PLATFORM_LIBGCC)
ifdef CONFIG_CC_COVERAGE
KBUILD_CFLAGS += --coverage
PLATFORM_LIBGCC += -lgcov
endif
export PLATFORM_LIBS export PLATFORM_LIBS
export PLATFORM_LIBGCC export PLATFORM_LIBGCC