Hi, Could you help give a hand about this issue? Or any suggestions? Can find function but can't find file and line. Thanks indeed in advance. $ readelf -a libfoo.so | grep foo 9374: 0000000000783080 179 FUNC GLOBAL DEFAULT 12 foo 30182: 0000000000783080 179 FUNC GLOBAL DEFAULT 12 foo $ addr2line 0x783080 -f foo ??:? Gcc version: Target: x86_64-poky-linux Configured with: ../../../../../../work-shared/gcc-9.1.0-r0/gcc-9.1.0/configure --build=x86_64-linux --host=x86_64-pokysdk-linux --target=x86_64-poky-linux --prefix=/opt/poky/2.1.1/sysroots/x86_64-pokysdk-linux/usr --exec_prefix=/opt/poky/2.1.1/sysroots/x86_64-pokysdk-linux/usr --bindir=/opt/poky/2.1.1/sysroots/x86_64-pokysdk-linux/usr/bin/x86_64-poky-linux --sbindir=/opt/poky/2.1.1/sysroots/x86_64-pokysdk-linux/usr/bin/x86_64-poky-linux --libexecdir=/opt/poky/2.1.1/sysroots/x86_64-pokysdk-linux/usr/libexec/x86_64-poky-linux --datadir=/opt/poky/2.1.1/sysroots/x86_64-pokysdk-linux/usr/share --sysconfdir=/opt/poky/2.1.1/sysroots/x86_64-pokysdk-linux/etc --sharedstatedir=/opt/poky/2.1.1/sysroots/x86_64-pokysdk-linux/com --localstatedir=/opt/poky/2.1.1/sysroots/x86_64-pokysdk-linux/var --libdir=/opt/poky/2.1.1/sysroots/x86_64-pokysdk-linux/usr/lib/x86_64-poky-linux --includedir=/opt/poky/2.1.1/sysroots/x86_64-pokysdk-linux/usr/include --oldincludedir=/opt/poky/2.1.1/sysroots/x86_64-pokysdk-linux/usr/include --infodir=/opt/poky/2.1.1/sysroots/x86_64-pokysdk-linux/usr/share/info --mandir=/opt/poky/2.1.1/sysroots/x86_64-pokysdk-linux/usr/share/man --disable-silent-rules --disable-dependency-tracking--enable-clocale=generic --with-gnu-ld --enable-shared --enable-languages=c,c++ --enable-threads=posix --enable-multilib --enable-c99 --enable-long-long --enable-symvers=gnu --program-prefix=x86_64-poky-linux- --without-local-prefix --enable-lto --disable-libssp --enable-libitm --disable-bootstrap --disable-libmudflap --with-system-zlib --with-linker-hash-style=gnu --enable-linker-build-id --with-ppl=no --with-cloog=no --enable-checking=release --enable-cheaders=c_global --without-isl --with-gxx-include-dir=/not/exist/usr/include/c++/9.1.0 --with-sysroot=/not/exist --enable-poison-system-directories --disable-static --with-glibc-version=2.28 --enable-__cxa_atexit --disable-plugin --enable-fix-cortex-a53-835769 --enable-__cxa_atexit --enable-libmudflap --enable-libgomp --disable-libstdcxx-pch Thread model: posix gcc version 9.1.0 (GCC) Addr2line version: GNU addr2line (GNU Binutils) 2.31.0.20180718 Copyright (C) 2018 Free Software Foundation, Inc. This program is free software; you may redistribute it under the terms of the GNU General Public License version 3 or (at your option) any later version. This program has absolutely no warranty. ./Jianyue
