Messages in this thread |  | | Date | Sun, 17 Jul 2022 10:57:47 +0100 | From | Marc Zyngier <> | Subject | Re: [PATCH v4 06/18] arm64: stacktrace: Add description of stacktrace/common.h |
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On Fri, 15 Jul 2022 07:10:15 +0100, Kalesh Singh <kaleshsingh@google.com> wrote: > > Add brief description on how to use stacktrace/common.h to implement > a stack unwinder. > > Signed-off-by: Kalesh Singh <kaleshsingh@google.com> > --- > arch/arm64/include/asm/stacktrace/common.h | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/arch/arm64/include/asm/stacktrace/common.h b/arch/arm64/include/asm/stacktrace/common.h > index f86efe71479d..b362086f4c70 100644 > --- a/arch/arm64/include/asm/stacktrace/common.h > +++ b/arch/arm64/include/asm/stacktrace/common.h > @@ -2,6 +2,14 @@ > /* > * Common arm64 stack unwinder code. > * > + * To implement a new arm64 stack unwinder: > + * 1) Include this header > + * > + * 2) Provide implementations for the following functions: > + * - on_overflow_stack() > + * - on_accessible_stack() > + * - unwind_next()
A short description of what these helpers are supposed to do would also be helpful.
Thanks,
M.
-- Without deviation from the norm, progress is not possible.
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