Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

# This testcase is part of GDB, the GNU debugger.

# Copyright 2014-2020 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

standard_testfile

# Run the test proper.  THREADED indicates whether to build a threaded
# program and spawn several threads before trying to kill the program.

proc test {threaded} {
    global testfile srcfile decimal

    with_test_prefix [expr ($threaded)?"threaded":"non-threaded"] {

	set options {debug}
	if {$threaded} {
	    lappend options "pthreads"
	    lappend options "additional_flags=-DUSE_THREADS"
	    set prog ${testfile}_threads
	} else {
	    set prog ${testfile}_nothreads
	}

	if {[prepare_for_testing "failed to prepare" $prog $srcfile $options] == -1} {
	    return -1
	}

	if { ![runto main] } then {
	    fail "run to main"
	    return
	}

	set linenum [gdb_get_line_number "set break here"]
	gdb_breakpoint "$srcfile:$linenum"
	gdb_continue_to_breakpoint "break here" ".*break here.*"

	if {$threaded} {
	    gdb_test "info threads" "1.*2.*3.*4.*5.*6.*" "all threads started"
	}

	# This kills and ensures no output other than the prompt comes out,
	# like:
	#
	#  (gdb) kill
	#  Kill the program being debugged? (y or n) y
	#  (gdb)
	#
	# If we instead saw more output, like e.g., with an extended-remote
	# connection:
	#
	#  (gdb) kill
	#  Kill the program being debugged? (y or n) y
	#  Remote connection closed
	#  (gdb)
	#
	# the above would mean that the remote end crashed.

	gdb_test_multiple "kill" "kill" {
	    -re "Kill the program being debugged\\? \\(y or n\\) $" {
		gdb_test "y" "\\\[Inferior $decimal \\(.*\\) killed\\\]" "kill"
	    }
	}
    }
}

foreach threaded {true false} {
    test $threaded
}