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|
# Copyright 1994-2020 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/>.
if [target_info exists gdb,nointerrupts] {
verbose "Skipping interrupt.exp because of nointerrupts."
continue
}
if [target_info exists gdb,noinferiorio] {
verbose "Skipping interrupt.exp because of noinferiorio."
return
}
standard_testfile
set options { debug }
if { ! [target_info exists gdb,nosignals] } {
lappend options "additional_flags=-DSIGNALS"
}
if {[build_executable $testfile.exp $testfile $srcfile $options] == -1} {
untested "failed to compile"
return -1
}
gdb_start
if ![file exists $binfile] then {
perror "$binfile does not exist."
return 0
} else {
gdb_reinitialize_dir $srcdir/$subdir
gdb_load $binfile
# Hope this is unix :-)
gdb_test "shell stty intr '^C'" ".*" \
"set interrupt character in interrupt.exp"
if [runto_main] then {
global inferior_spawn_id gdb_spawn_id
set msg "process is alive"
gdb_test_multiple "continue" $msg {
-i "$inferior_spawn_id" -re "talk to me baby\r\n" {
pass $msg
}
}
# This should appear twice, once for the echo and once for the
# program's output.
set msg "child process ate our char"
send_inferior "a\n"
gdb_test_multiple "" $msg {
-i "$inferior_spawn_id" -re "^a\r\na\r\n$" {
pass $msg
}
}
# Wait until the program is in the read system call again.
sleep 2
# Cntrl-c may fail for simulator targets running on a BSD host.
# This is the result of a combination of the read syscall
# being restarted and gdb capturing the cntrl-c signal.
# Cntrl-c may fail for simulator targets on slow hosts.
# This is because there is a race condition between entering
# the read and delivering the cntrl-c.
send_gdb "\003"
set msg "send_gdb control C"
gdb_test_multiple "" $msg {
-re "Program received signal SIGINT.*$gdb_prompt $" {
pass $msg
}
}
set msg "call function when asleep"
send_gdb "p func1 ()\n"
gdb_test_multiple "" $msg {
-re " = 4.*$gdb_prompt $" {
pass $msg
}
-re ".*Program received signal SIG(SEGV|ILL).*$gdb_prompt $" {
setup_xfail "i*86-pc-linux*-gnu*"
fail "child died when we called func1, skipped rest of tests"
return
}
-re "$gdb_prompt $" {
fail "call function when asleep (wrong output)"
}
default {
# This fail probably happens whenever we use /proc (we
# don't use PRSABORT), but apparently also happens on
# other machines as well.
setup_xfail "sparc*-*-solaris2*"
setup_xfail "i*86-*-solaris2*"
setup_xfail "*-*-sysv4*"
setup_xfail "vax-*-*"
setup_xfail "alpha-*-*"
setup_xfail "*-*-*bsd*"
setup_xfail "*-*-*lynx*"
fail "$msg (stays asleep)"
# Send the inferior a newline to wake it up.
send_inferior "\n"
gdb_test "" " = 4" "call function after waking it"
}
}
# Now try calling the function again.
gdb_test "p func1 ()" " = 4" "call function a second time"
# And the program should still be doing the same thing.
# The optional trailing \r\n is in case we sent a newline above
# to wake the program, in which case the program now sends it
# back. We check for it either here or in the next gdb_expect
# command, because which one it ends up in is timing dependent.
send_gdb "continue\n"
# For some reason, i386-*-sysv4 gdb fails to issue the Continuing
# message, but otherwise appears normal (FIXME).
set msg "continue"
gdb_test_multiple "" "$msg" {
-re "^continue\r\nContinuing.\r\n(\r\n|)$" {
pass $msg
}
-re "^continue\r\n\r\n" {
fail "$msg (missing Continuing.)"
}
}
send_inferior "data\n"
# The optional leading \r\n is in case we sent a newline above
# to wake the program, in which case the program now sends it
# back.
set msg "echo data"
gdb_test_multiple "" $msg {
-i "$inferior_spawn_id" -re "^(\r\n|)data\r\ndata\r\n$" {
pass $msg
}
-i "$gdb_spawn_id" -re "Undefined command.*$gdb_prompt " {
fail $msg
}
}
if { ! [target_info exists gdb,nosignals] } {
# Wait until the program is in the read system call again.
sleep 2
# Stop the program for another test.
set msg "Send Control-C, second time"
send_gdb "\003"
gdb_test_multiple "" "$msg" {
-re "Program received signal SIGINT.*$gdb_prompt $" {
pass "$msg"
}
}
# The "signal" command should deliver the correct signal and
# return to the loop.
set msg "signal SIGINT"
gdb_test_multiple "signal SIGINT" "$msg" {
-re "^signal SIGINT\r\nContinuing with signal SIGINT.\r\n(\r\n|)$" {
pass "$msg"
}
}
# We should be back in the loop.
send_inferior "more data\n"
set msg "echo more data"
gdb_test_multiple "" $msg {
-i "$inferior_spawn_id" -re "^(\r\n|)more data\r\nmore data\r\n$" {
pass $msg
}
}
}
set saw_end_of_file 0
set saw_inferior_exit 0
set msg "send end of file"
send_inferior "\004"
set spawn_list "$inferior_spawn_id"
gdb_test_multiple "" $msg {
-i spawn_list -re "end of file" {
set saw_end_of_file 1
verbose -log "saw \"end of file\""
if {!$saw_inferior_exit} {
# When $inferior_spawn_id != $gdb_spawn_id, such
# as when testing with gdbserver, we may see the
# eof (the process exit, not the string just
# matched) for $inferior_spawn_id before the
# expected gdb output. Clear this so we no longer
# expect anything out of $inferior_spawn_id.
set spawn_list ""
exp_continue
}
}
-i "$gdb_spawn_id" -re "$inferior_exited_re normally.*$gdb_prompt " {
set saw_inferior_exit 1
verbose -log "saw inferior exit"
if {!$saw_end_of_file} {
exp_continue
}
}
}
gdb_assert { $saw_end_of_file && $saw_inferior_exit } $msg
}
}
return 0
|
