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xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/nuttx.git
The following commit(s) were added to refs/heads/master by this push:
new 0e873b51c6 arm/backtrace/unwind: skip unaligned instruction
0e873b51c6 is described below
commit 0e873b51c63d452c08d60a38ce0bc4593d713a1b
Author: chao an <anc...@xiaomi.com>
AuthorDate: Wed Feb 22 12:34:48 2023 +0800
arm/backtrace/unwind: skip unaligned instruction
Signed-off-by: chao an <anc...@xiaomi.com>
---
arch/arm/src/common/arm_backtrace_unwind.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/arm/src/common/arm_backtrace_unwind.c
b/arch/arm/src/common/arm_backtrace_unwind.c
index 22ea4acd17..2d37573989 100644
--- a/arch/arm/src/common/arm_backtrace_unwind.c
+++ b/arch/arm/src/common/arm_backtrace_unwind.c
@@ -470,7 +470,11 @@ int unwind_frame(struct unwind_frame_s *frame)
/* Check the personality routine */
- if ((*ctrl.insn & 0xff000000) == 0x80000000)
+ if (((uintptr_t)ctrl.insn & 0x3) != 0)
+ {
+ return -1;
+ }
+ else if ((*ctrl.insn & 0xff000000) == 0x80000000)
{
ctrl.byte = 2;
ctrl.entries = 1;
