Re: [[PATCH v2]] riscv: add backtrace support

On Tue, Sep 05, 2023 at 01:12:53PM +0100, Ben Dooks wrote:

When debugging, it is useful to have a backtrace to find out what is in the call stack as the previous function (RA) may not have been the culprit.

Since this adds size to the build, do not add it by default and avoid putting it in the SPL build if not needed.

Signed-off-by: Ben Dooks ben.dooks@codethink.co.uk

v2:

• back to codethink email as sifive account is now gone
• add option to build SPL with frame pointer (as suggested by Bo Gan ganboing@gmail.com

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arch/riscv/Kconfig | 20 ++++++++++++++++++++ arch/riscv/Makefile | 4 ++++ arch/riscv/cpu/start.S | 1 + arch/riscv/lib/interrupts.c | 35 +++++++++++++++++++++++++++++++++++ 4 files changed, 60 insertions(+)

Tested-by: Leo Yu-Chi Liang ycliang@andestech.com