Commit a556ee12 authored by Behan Webster's avatar Behan Webster Committed by Russell King
Browse files

ARM: 8171/1: Use current_stack_pointer for return_address



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: default avatarBehan Webster <behanw@converseincode.com>
Reviewed-by: default avatarMark Charlebois <charlebm@gmail.com>
Reviewed-by: default avatarJan-Simon Möller <dl9pf@gmx.de>
Acked-by: default avatarWill Deacon <will.deacon@arm.com>
Acked-by: default avatarNicolas Pitre <nico@linaro.org>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 0abc08ba
......@@ -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;
......
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