csky: Fixup abiv2 syscall_trace break a4 & a5

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Current implementation could destory a4 & a5 when strace, so we need to get them
from pt_regs by SAVE_ALL.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>

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Guo Ren 2020-05-24 10:44:38 +00:00

parent 900897591b

commit e0bbb53843

2 changed files with 6 additions and 2 deletions

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2

arch/csky/abiv2/inc/abi/entry.h

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6

arch/csky/kernel/entry.S

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