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| author | Guo Ren <ren_guo@c-sky.com> | 2018-12-09 14:18:05 +0800 |
|---|---|---|
| committer | Guo Ren <ren_guo@c-sky.com> | 2018-12-31 23:12:22 +0800 |
| commit | 0ea2dc7cd668be5475babecaf6fdeaa464e2847b (patch) | |
| tree | 733fef9d2126b7323d4ec80e62e0c3ea583e01f7 /arch/csky/Makefile | |
| parent | 859e5f45cbb33fe5d591a8e429667f0b7d4f4be8 (diff) | |
| download | linux-0ea2dc7cd668be5475babecaf6fdeaa464e2847b.tar.bz2 | |
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>
Diffstat (limited to 'arch/csky/Makefile')
| -rw-r--r-- | arch/csky/Makefile | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/csky/Makefile b/arch/csky/Makefile index c639fc167895..3607a6e8f66c 100644 --- a/arch/csky/Makefile +++ b/arch/csky/Makefile @@ -47,6 +47,10 @@ ifeq ($(CSKYABI),abiv2) KBUILD_CFLAGS += -mno-stack-size endif +ifdef CONFIG_STACKTRACE +KBUILD_CFLAGS += -mbacktrace +endif + abidirs := $(patsubst %,arch/csky/%/,$(CSKYABI)) KBUILD_CFLAGS += $(patsubst %,-I$(srctree)/%inc,$(abidirs)) |