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author | Ahmad Fatoum <a.fatoum@pengutronix.de> | 2022-01-08 18:15:23 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2022-01-12 11:22:27 +0100 |
commit | 66d4822838e6a50c748f54cc854186fd3fcfbfe5 (patch) | |
tree | 75e0d7e6659b2c2ad0f73fae7890cada904e63a8 /common/Kconfig | |
parent | adf6e47b69d8d8d5a18748afb830320704dee50b (diff) | |
download | barebox-66d4822838e6a50c748f54cc854186fd3fcfbfe5.tar.gz barebox-66d4822838e6a50c748f54cc854186fd3fcfbfe5.tar.xz |
RISC-V: add stacktrace support via frame pointer walking
Make debugging more convenient by implementing stack_dump() and changing
exception handlers to print stack trace along with the register dump.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20220108171524.587144-8-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'common/Kconfig')
-rw-r--r-- | common/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/common/Kconfig b/common/Kconfig index de4f26f3c2..60cc008f52 100644 --- a/common/Kconfig +++ b/common/Kconfig @@ -1207,6 +1207,18 @@ config DEBUG_LL platform *will not work*, so this option should not be enabled for builds that are intended to be portable. +config ARCH_WANT_FRAME_POINTERS + bool + +config FRAME_POINTER + bool "Compile barebox with frame pointers" if COMPILE_TEST + default y if ARCH_WANT_FRAME_POINTERS + help + Selected by platforms that expect frame pointer usage, e.g. + when stack unwinding is enabled. The resulting barebox image + will be slightly larger and slower, but it can give precise + debugging information when print stack traces. + choice prompt "Kernel low-level debugging port" depends on DEBUG_LL |