From d501e01eef01fe70ac4248779bedc02d2bc0a947 Mon Sep 17 00:00:00 2001 From: "chao.an" Date: Wed, 3 Aug 2022 12:43:12 +0800 Subject: [PATCH] arm/backtrace: use sp unwind if FRAME_POINTER is enabled on thumb mode GCC toolchain Bug 92172 - ARM Thumb2 frame pointers inconsistent with clang https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92172 Signed-off-by: chao.an --- arch/arm/src/common/Make.defs | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/arm/src/common/Make.defs b/arch/arm/src/common/Make.defs index df5340234cf..4d5061fa06f 100644 --- a/arch/arm/src/common/Make.defs +++ b/arch/arm/src/common/Make.defs @@ -65,7 +65,11 @@ endif ifeq ($(CONFIG_SCHED_BACKTRACE),y) ifeq ($(CONFIG_FRAME_POINTER),y) - CMN_CSRCS += arm_backtrace_fp.c + ifeq ($(CONFIG_ARM_THUMB),y) + CMN_CSRCS += arm_backtrace_thumb.c + else + CMN_CSRCS += arm_backtrace_fp.c + endif else CMN_CSRCS += arm_backtrace_thumb.c endif