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[PATCH 2/2] Enable gcov support on the ARM architecture |
From: Vincent Sanders <vince@xxxxxxxxxxxxxxx> Enable gcov support for ARM based on original patches by David Singleton and George G. Davis Signed-off-by: Vincent Sanders <vincent.sanders@xxxxxxxxxxxxxxx> --- arch/arm/boot/bootp/Makefile | 2 ++ arch/arm/boot/compressed/Makefile | 2 ++ arch/arm/include/asm/elf.h | 1 + arch/arm/kernel/module.c | 1 + kernel/gcov/Kconfig | 2 +- 5 files changed, 7 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/bootp/Makefile b/arch/arm/boot/bootp/Makefile index c394e30..5761f00 100644 --- 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 index bb26756..7482fcd 100644 --- a/arch/arm/boot/compressed/Makefile +++ b/arch/arm/boot/compressed/Makefile @@ -30,6 +30,8 @@ FONTC = $(srctree)/drivers/video/console/font_acorn_8x8.c OBJS += string.o CFLAGS_string.o := -Os +GCOV_PROFILE := n + # # Architecture dependencies # diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h index 38050b1..64afbd0 100644 --- a/arch/arm/include/asm/elf.h +++ b/arch/arm/include/asm/elf.h @@ -52,6 +52,7 @@ typedef struct user_fp elf_fpregset_t; #define R_ARM_ABS32 2 #define R_ARM_CALL 28 #define R_ARM_JUMP24 29 +#define R_ARM_TARGET1 38 #define R_ARM_V4BX 40 #define R_ARM_PREL31 42 #define R_ARM_MOVW_ABS_NC 43 diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index 1e9be5d..b22fc22 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -89,6 +89,7 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex, break; case R_ARM_ABS32: + case R_ARM_TARGET1: *(u32 *)loc += sym->st_value; break; diff --git a/kernel/gcov/Kconfig b/kernel/gcov/Kconfig index a920281..2a02dae 100644 --- 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 && EXPERIMENTAL) || MICROBLAZE + depends on SUPERH || S390 || X86 || (PPC && EXPERIMENTAL) || MICROBLAZE || ARM default n ---help--- This options activates profiling for the entire kernel. -- 1.7.10 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
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