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On Ubuntu 22.04.1 x86_64 (with glibc 2.35), I run into: ... (gdb) PASS: gdb.base/corefile.exp: $_exitcode is void bt^M #0 __pthread_kill_implementation (...) at ./nptl/pthread_kill.c:44^M #1 __pthread_kill_internal (...) at ./nptl/pthread_kill.c:78^M #2 __GI___pthread_kill (...) at ./nptl/pthread_kill.c:89^M #3 0x00007f4985e1a476 in __GI_raise (...) at ../sysdeps/posix/raise.c:26^M #4 0x00007f4985e007f3 in __GI_abort () at ./stdlib/abort.c:79^M #5 0x0000556b4ea4b504 in func2 () at gdb.base/coremaker.c:153^M #6 0x0000556b4ea4b516 in func1 () at gdb.base/coremaker.c:159^M #7 0x0000556b4ea4b578 in main (...) at gdb.base/coremaker.c:171^M (gdb) PASS: gdb.base/corefile.exp: backtrace up^M #1 __pthread_kill_internal (...) at ./nptl/pthread_kill.c:78^M 78 in ./nptl/pthread_kill.c^M (gdb) FAIL: gdb.base/corefile.exp: up ... The problem is that the regexp used here: ... gdb_test "up" "#\[0-9\]* *\[0-9xa-fH'\]* in .* \\(.*\\).*" "up" ... does not fit the __pthread_kill_internal line which lacks the instruction address due to inlining. Fix this by making the regexp less strict. Tested on x86_64-linux.
README for GNU development tools This directory contains various GNU compilers, assemblers, linkers, debuggers, etc., plus their support routines, definitions, and documentation. If you are receiving this as part of a GDB release, see the file gdb/README. If with a binutils release, see binutils/README; if with a libg++ release, see libg++/README, etc. That'll give you info about this package -- supported targets, how to use it, how to report bugs, etc. It is now possible to automatically configure and build a variety of tools with one command. To build all of the tools contained herein, run the ``configure'' script here, e.g.: ./configure make To install them (by default in /usr/local/bin, /usr/local/lib, etc), then do: make install (If the configure script can't determine your type of computer, give it the name as an argument, for instance ``./configure sun4''. You can use the script ``config.sub'' to test whether a name is recognized; if it is, config.sub translates it to a triplet specifying CPU, vendor, and OS.) If you have more than one compiler on your system, it is often best to explicitly set CC in the environment before running configure, and to also set CC when running make. For example (assuming sh/bash/ksh): CC=gcc ./configure make A similar example using csh: setenv CC gcc ./configure make Much of the code and documentation enclosed is copyright by the Free Software Foundation, Inc. See the file COPYING or COPYING.LIB in the various directories, for a description of the GNU General Public License terms under which you can copy the files. REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info on where and how to report problems.