arm64: LLVMLinux: Add current_stack_pointer() for arm64

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Define a global named register for current_stack_pointer. The use of this new
variable guarantees that both gcc and clang can access this register in C code.

Signed-off-by: Behan Webster <behanw@converseincode.com>
Reviewed-by: Jan-Simon Möller <dl9pf@gmx.de>
Reviewed-by: Mark Charlebois <charlebm@gmail.com>
Reviewed-by: Olof Johansson <olof@lixom.net>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

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Behan Webster 2014-08-27 05:29:29 +01:00 • committed by Will Deacon

parent 11d91a770f

commit 3337a10e0d

1 changed files with 5 additions and 0 deletions

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arch/arm64/include/asm/thread_info.h

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