[PATCH v2 3/7] arm: LLVMLinux: Use current_stack_pointer for return_address
From: Behan Webster Use the global current_stack_pointer to get the value of the stack pointer. This change supports being able to compile the kernel with both gcc and Clang. Signed-off-by: Behan Webster Signed-off-by: Mark Charlebois Reviewed-by: Jan-Simon Möller --- arch/arm/kernel/return_address.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/arm/kernel/return_address.c b/arch/arm/kernel/return_address.c index fafedd8..5bceaef 100644 --- a/arch/arm/kernel/return_address.c +++ b/arch/arm/kernel/return_address.c @@ -39,13 +39,12 @@ void *return_address(unsigned int level) { struct return_address_data data; struct stackframe frame; - register unsigned long current_sp asm ("sp"); data.level = level + 2; data.addr = NULL; frame.fp = (unsigned long)__builtin_frame_address(0); - frame.sp = current_sp; + frame.sp = current_stack_pointer; frame.lr = (unsigned long)__builtin_return_address(0); frame.pc = (unsigned long)return_address; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH v2 3/7] arm: LLVMLinux: Use current_stack_pointer for return_address
From: Behan Webster beh...@converseincode.com Use the global current_stack_pointer to get the value of the stack pointer. This change supports being able to compile the kernel with both gcc and Clang. Signed-off-by: Behan Webster beh...@converseincode.com Signed-off-by: Mark Charlebois charl...@gmail.com Reviewed-by: Jan-Simon Möller dl...@gmx.de --- arch/arm/kernel/return_address.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/arm/kernel/return_address.c b/arch/arm/kernel/return_address.c index fafedd8..5bceaef 100644 --- a/arch/arm/kernel/return_address.c +++ b/arch/arm/kernel/return_address.c @@ -39,13 +39,12 @@ void *return_address(unsigned int level) { struct return_address_data data; struct stackframe frame; - register unsigned long current_sp asm (sp); data.level = level + 2; data.addr = NULL; frame.fp = (unsigned long)__builtin_frame_address(0); - frame.sp = current_sp; + frame.sp = current_stack_pointer; frame.lr = (unsigned long)__builtin_return_address(0); frame.pc = (unsigned long)return_address; -- 1.9.1 -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/