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ARM: 8153/1: Enable gcov support on the ARM architecture

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Enable gcov support for ARM based on original patches by David
Singleton and George G. Davis

Riku - updated to patch to current mainline kernel. The patch
has been submitted in 2010, 2012 - for symmetry, now in 2014 too.

https://lwn.net/Articles/390419/
http://marc.info/?l=linux-arm-kernel&m=133823081813044

v2: remove arch/arm/kernel from gcov disabled files

Cc: Andrey Ryabinin <a.ryabinin@samsung.com>
Cc: Naresh Kamboju <naresh.kamboju@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Signed-off-by: Vincent Sanders <vincent.sanders@collabora.co.uk>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Vincent Sanders 2014-09-18 20:39:15 +01:00 committed by Russell King
parent 195b58add4
commit 75c349062a
3 changed files with 5 additions and 1 deletions
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2
arch/arm/boot/bootp/Makefile
View File

@ -5,6 +5,8 @@
# architecture-specific flags and dependencies. # architecture-specific flags and dependencies.
# #
GCOV_PROFILE := n
LDFLAGS_bootp :=-p --no-undefined -X \ LDFLAGS_bootp :=-p --no-undefined -X \
--defsym initrd_phys=$(INITRD_PHYS) \ --defsym initrd_phys=$(INITRD_PHYS) \
--defsym params_phys=$(PARAMS_PHYS) -T --defsym params_phys=$(PARAMS_PHYS) -T

2
arch/arm/boot/compressed/Makefile
View File

@ -37,6 +37,8 @@ ifeq ($(CONFIG_ARM_VIRT_EXT),y)
OBJS += hyp-stub.o OBJS += hyp-stub.o
endif endif
GCOV_PROFILE := n
# #
# Architecture dependencies # Architecture dependencies
# #

2
kernel/gcov/Kconfig
View File

@ -35,7 +35,7 @@ config GCOV_KERNEL
config GCOV_PROFILE_ALL config GCOV_PROFILE_ALL
bool "Profile entire Kernel" bool "Profile entire Kernel"
depends on GCOV_KERNEL depends on GCOV_KERNEL
depends on SUPERH || S390 || X86 || PPC || MICROBLAZE depends on SUPERH || S390 || X86 || PPC || MICROBLAZE || ARM
default n default n
---help--- ---help---
This options activates profiling for the entire kernel. This options activates profiling for the entire kernel.