riscv: Drop const annotation for sp
The const annotation should not be used for 'sp', or it will
become read only and lead to bad stack output.
Fixes: dec822771b
("riscv: stacktrace: Move register keyword to beginning of declaration")
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
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@ -14,7 +14,7 @@
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#include <asm/stacktrace.h>
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register const unsigned long sp_in_global __asm__("sp");
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register unsigned long sp_in_global __asm__("sp");
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#ifdef CONFIG_FRAME_POINTER
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