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author	Guo Ren <ren_guo@c-sky.com>
	Sun, 9 Dec 2018 06:18:05 +0000 (14:18 +0800)
committer	Guo Ren <ren_guo@c-sky.com>
	Mon, 31 Dec 2018 15:12:22 +0000 (23:12 +0800)
commit	0ea2dc7cd668be5475babecaf6fdeaa464e2847b
tree	733fef9d2126b7323d4ec80e62e0c3ea583e01f7	tree \| snapshot
parent	859e5f45cbb33fe5d591a8e429667f0b7d4f4be8	commit \| diff

csky: stacktrace supported.

The gcc option "-mbacktrace" will push fp(r8),lr into stack and we could
unwind the stack with:
fp = *fp
lr = (unsigned int *)fp[1]

Signed-off-by: Guo Ren <ren_guo@c-sky.com>

arch/csky/Kconfig		diff \| blob \| history
arch/csky/Makefile		diff \| blob \| history
arch/csky/include/asm/thread_info.h		diff \| blob \| history
arch/csky/kernel/Makefile		diff \| blob \| history
arch/csky/kernel/process.c		diff \| blob \| history
arch/csky/kernel/stacktrace.c	[new file with mode: 0644]	blob

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