[kvm-unit-tests PATCH v3 6/6] arm64: dump stack on bad exception

Nadav Amit
2023-06-28T00:14:54Z

Upon a bad exception, the stack is rather useful for debugging, splat it
out.

Signed-off-by: Nadav Amit <namit@vmware.com>
---
lib/arm64/processor.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/lib/arm64/processor.c b/lib/arm64/processor.c
index 831207c..5bcad67 100644
--- a/lib/arm64/processor.c
+++ b/lib/arm64/processor.c
@@ -130,6 +130,7 @@ static void bad_exception(enum vector v, struct pt_regs *regs,
printf("Vector: %d (%s)\n", v, vector_names[v]);
printf("ESR_EL1: %8s%08x, ec=%#x (%s)\n", "", esr, ec, ec_names[ec]);
printf("FAR_EL1: %016lx (%svalid)\n", far, far_valid ? "" : "not ");
+ dump_stack();
printf("Exception frame registers:\n");
show_regs(regs);
abort();
--
2.34.1