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337882d477
With this gdbserver-support.exp patch:
...
@@ -451,8 +451,10 @@ proc gdbserver_exit { is_mi } {
# We use expect rather than gdb_expect because
# we want to suppress printing exception messages, otherwise,
# remote_expect, invoked by gdb_expect, prints the exceptions.
+ set have_prompt 0
expect {
-i "$gdb_spawn_id" -re "$gdb_prompt $" {
+ set have_prompt 1
exp_continue
}
-i "$server_spawn_id" eof {
@@ -463,6 +465,7 @@ proc gdbserver_exit { is_mi } {
warning "Timed out waiting for EOF in server after $monitor_exit"
}
}
+ gdb_assert {$have_prompt}
}
}
close_gdbserver
...
and with this in parallel:
...
$ stress -c 5
...
we run into this and similar FAILs:
...
FAIL: gdb.multi/multi-target.exp: continue: non-stop=on: $have_prompt
...
In more detail:
...
(gdb) PASS: gdb.multi/multi-target.exp: continue: non-stop=on: inferior 5
Remote debugging from host ::1, port 40712^M
Process build/gdb/testsuite/outputs/gdb.multi/multi-target/multi-target \
created; pid = 11098^M
monitor exit^M
Killing process(es): 11098^M
FAIL: gdb.multi/multi-target.exp: continue: non-stop=on: $have_prompt
spawn build/gdb/testsuite/../../gdb/gdb -nw -nx -data-directory \
build/gdb/testsuite/../data-directory^M
...
After issuing a "monitor exit" command, we should always get a prompt back, so
check for that.
Tested on x86_64-linux.
gdb/testsuite/ChangeLog:
2020-09-16 Tom de Vries <tdevries@suse.de>
* lib/gdbserver-support.exp (gdbserver_exit): Make sure we
get the gdb prompt after issuing "monitor exit".
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.