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

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 <[email protected]> Cc: Naresh Kamboju <[email protected]> Acked-by: Arnd Bergmann <[email protected]> Signed-off-by: Riku Voipio <[email protected]> Signed-off-by: Vincent Sanders <[email protected]> Signed-off-by: Russell King <[email protected]>
jbg · Sep 26, 2014 · 75c3490 · 75c3490
1 parent 195b58a
commit 75c3490
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Showing 3 changed files with 5 additions and 1 deletion.
diff --git a/arch/arm/boot/bootp/Makefile b/arch/arm/boot/bootp/Makefile
@@ -5,6 +5,8 @@
 # architecture-specific flags and dependencies.
 #
 
+GCOV_PROFILE	:= n
+
 LDFLAGS_bootp	:=-p --no-undefined -X \
 		 --defsym initrd_phys=$(INITRD_PHYS) \
 		 --defsym params_phys=$(PARAMS_PHYS) -T

diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
@@ -37,6 +37,8 @@ ifeq ($(CONFIG_ARM_VIRT_EXT),y)
 OBJS		+= hyp-stub.o
 endif
 
+GCOV_PROFILE		:= n
+
 #
 # Architecture dependencies
 #

diff --git a/kernel/gcov/Kconfig b/kernel/gcov/Kconfig
@@ -35,7 +35,7 @@ config GCOV_KERNEL
 config GCOV_PROFILE_ALL
 	bool "Profile entire Kernel"
 	depends on GCOV_KERNEL
-	depends on SUPERH || S390 || X86 || PPC || MICROBLAZE
+	depends on SUPERH || S390 || X86 || PPC || MICROBLAZE || ARM
 	default n
 	---help---
 	This options activates profiling for the entire kernel.
-Original file line number
+Diff line change
@@ Expand Up / @@ -37,6 +37,8 @@ ifeq ($(CONFIG_ARM_VIRT_EXT),y) @@
     OBJS		+= hyp-stub.o
     endif
+    GCOV_PROFILE		:= n
     #
     # Architecture dependencies
     #
@@ Expand Down @@