| 1 | # Copyright 1994-2016 Free Software Foundation, Inc. |
| 2 | |
| 3 | # This program is free software; you can redistribute it and/or modify |
| 4 | # it under the terms of the GNU General Public License as published by |
| 5 | # the Free Software Foundation; either version 3 of the License, or |
| 6 | # (at your option) any later version. |
| 7 | # |
| 8 | # This program is distributed in the hope that it will be useful, |
| 9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | # GNU General Public License for more details. |
| 12 | # |
| 13 | # You should have received a copy of the GNU General Public License |
| 14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 15 | |
| 16 | if [target_info exists gdb,nointerrupts] { |
| 17 | verbose "Skipping interrupt.exp because of nointerrupts." |
| 18 | continue |
| 19 | } |
| 20 | |
| 21 | if [target_info exists gdb,noinferiorio] { |
| 22 | verbose "Skipping interrupt.exp because of noinferiorio." |
| 23 | return |
| 24 | } |
| 25 | |
| 26 | standard_testfile |
| 27 | |
| 28 | set options { debug } |
| 29 | if { ! [target_info exists gdb,nosignals] } { |
| 30 | lappend options "additional_flags=-DSIGNALS" |
| 31 | } |
| 32 | |
| 33 | if {[build_executable $testfile.exp $testfile $srcfile $options] == -1} { |
| 34 | untested "failed to compile" |
| 35 | return -1 |
| 36 | } |
| 37 | |
| 38 | gdb_start |
| 39 | |
| 40 | |
| 41 | if ![file exists $binfile] then { |
| 42 | perror "$binfile does not exist." |
| 43 | return 0 |
| 44 | } else { |
| 45 | gdb_reinitialize_dir $srcdir/$subdir |
| 46 | gdb_load $binfile |
| 47 | # Hope this is unix :-) |
| 48 | gdb_test "shell stty intr '^C'" ".*" \ |
| 49 | "set interrupt character in interrupt.exp" |
| 50 | if [runto_main] then { |
| 51 | global inferior_spawn_id gdb_spawn_id |
| 52 | |
| 53 | set msg "process is alive" |
| 54 | gdb_test_multiple "continue" $msg { |
| 55 | -i "$inferior_spawn_id" -re "talk to me baby\r\n" { |
| 56 | pass $msg |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | # This should appear twice, once for the echo and once for the |
| 61 | # program's output. |
| 62 | |
| 63 | set msg "child process ate our char" |
| 64 | send_inferior "a\n" |
| 65 | gdb_test_multiple "" $msg { |
| 66 | -i "$inferior_spawn_id" -re "^a\r\na\r\n$" { |
| 67 | pass $msg |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | # Wait until the program is in the read system call again. |
| 72 | sleep 2 |
| 73 | |
| 74 | # Cntrl-c may fail for simulator targets running on a BSD host. |
| 75 | # This is the result of a combination of the read syscall |
| 76 | # being restarted and gdb capturing the cntrl-c signal. |
| 77 | |
| 78 | # Cntrl-c may fail for simulator targets on slow hosts. |
| 79 | # This is because there is a race condition between entering |
| 80 | # the read and delivering the cntrl-c. |
| 81 | |
| 82 | send_gdb "\003" |
| 83 | set msg "send_gdb control C" |
| 84 | gdb_test_multiple "" $msg { |
| 85 | -re "Program received signal SIGINT.*$gdb_prompt $" { |
| 86 | pass $msg |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | set msg "call function when asleep" |
| 91 | send_gdb "p func1 ()\n" |
| 92 | gdb_test_multiple "" $msg { |
| 93 | -re " = 4.*$gdb_prompt $" { |
| 94 | pass $msg |
| 95 | } |
| 96 | -re ".*Program received signal SIG(SEGV|ILL).*$gdb_prompt $" { |
| 97 | setup_xfail "i*86-pc-linux*-gnu*" |
| 98 | fail "child died when we called func1, skipped rest of tests" |
| 99 | return |
| 100 | } |
| 101 | -re "$gdb_prompt $" { |
| 102 | fail "call function when asleep (wrong output)" |
| 103 | } |
| 104 | default { |
| 105 | |
| 106 | # This fail probably happens whenever we use /proc (we |
| 107 | # don't use PRSABORT), but apparently also happens on |
| 108 | # other machines as well. |
| 109 | |
| 110 | setup_xfail "sparc*-*-solaris2*" |
| 111 | setup_xfail "i*86-*-solaris2*" |
| 112 | setup_xfail "*-*-sysv4*" |
| 113 | setup_xfail "vax-*-*" |
| 114 | setup_xfail "alpha-*-*" |
| 115 | setup_xfail "*-*-*bsd*" |
| 116 | setup_xfail "*-*-*lynx*" |
| 117 | fail "$msg (stays asleep)" |
| 118 | # Send the inferior a newline to wake it up. |
| 119 | send_inferior "\n" |
| 120 | gdb_test "" " = 4" "call function after waking it" |
| 121 | } |
| 122 | } |
| 123 | |
| 124 | # Now try calling the function again. |
| 125 | gdb_test "p func1 ()" " = 4" "call function a second time" |
| 126 | |
| 127 | # And the program should still be doing the same thing. |
| 128 | # The optional trailing \r\n is in case we sent a newline above |
| 129 | # to wake the program, in which case the program now sends it |
| 130 | # back. We check for it either here or in the next gdb_expect |
| 131 | # command, because which one it ends up in is timing dependent. |
| 132 | send_gdb "continue\n" |
| 133 | # For some reason, i386-*-sysv4 gdb fails to issue the Continuing |
| 134 | # message, but otherwise appears normal (FIXME). |
| 135 | |
| 136 | set msg "continue" |
| 137 | gdb_test_multiple "" "$msg" { |
| 138 | -re "^continue\r\nContinuing.\r\n(\r\n|)$" { |
| 139 | pass $msg |
| 140 | } |
| 141 | -re "^continue\r\n\r\n" { |
| 142 | fail "$msg (missing Continuing.)" |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | send_inferior "data\n" |
| 147 | # The optional leading \r\n is in case we sent a newline above |
| 148 | # to wake the program, in which case the program now sends it |
| 149 | # back. |
| 150 | |
| 151 | set msg "echo data" |
| 152 | gdb_test_multiple "" $msg { |
| 153 | -i "$inferior_spawn_id" -re "^(\r\n|)data\r\ndata\r\n$" { |
| 154 | pass $msg |
| 155 | } |
| 156 | -i "$gdb_spawn_id" -re "Undefined command.*$gdb_prompt " { |
| 157 | fail $msg |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | if { ! [target_info exists gdb,nosignals] } { |
| 162 | # Wait until the program is in the read system call again. |
| 163 | sleep 2 |
| 164 | |
| 165 | # Stop the program for another test. |
| 166 | set msg "Send Control-C, second time" |
| 167 | send_gdb "\003" |
| 168 | gdb_test_multiple "" "$msg" { |
| 169 | -re "Program received signal SIGINT.*$gdb_prompt $" { |
| 170 | pass "$msg" |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | # The "signal" command should deliver the correct signal and |
| 175 | # return to the loop. |
| 176 | set msg "signal SIGINT" |
| 177 | gdb_test_multiple "signal SIGINT" "$msg" { |
| 178 | -re "^signal SIGINT\r\nContinuing with signal SIGINT.\r\n(\r\n|)$" { |
| 179 | pass "$msg" |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | # We should be back in the loop. |
| 184 | send_inferior "more data\n" |
| 185 | |
| 186 | set msg "echo more data" |
| 187 | gdb_test_multiple "" $msg { |
| 188 | -i "$inferior_spawn_id" -re "^(\r\n|)more data\r\nmore data\r\n$" { |
| 189 | pass $msg |
| 190 | } |
| 191 | } |
| 192 | } |
| 193 | |
| 194 | set saw_end_of_file 0 |
| 195 | set saw_inferior_exit 0 |
| 196 | |
| 197 | set msg "send end of file" |
| 198 | send_inferior "\004" |
| 199 | |
| 200 | set spawn_list "$inferior_spawn_id" |
| 201 | |
| 202 | gdb_test_multiple "" $msg { |
| 203 | -i spawn_list -re "end of file" { |
| 204 | set saw_end_of_file 1 |
| 205 | verbose -log "saw \"end of file\"" |
| 206 | if {!$saw_inferior_exit} { |
| 207 | # When $inferior_spawn_id != $gdb_spawn_id, such |
| 208 | # as when testing with gdbserver, we may see the |
| 209 | # eof (the process exit, not the string just |
| 210 | # matched) for $inferior_spawn_id before the |
| 211 | # expected gdb output. Clear this so we no longer |
| 212 | # expect anything out of $inferior_spawn_id. |
| 213 | set spawn_list "" |
| 214 | exp_continue |
| 215 | } |
| 216 | } |
| 217 | -i "$gdb_spawn_id" -re "$inferior_exited_re normally.*$gdb_prompt " { |
| 218 | set saw_inferior_exit 1 |
| 219 | verbose -log "saw inferior exit" |
| 220 | if {!$saw_end_of_file} { |
| 221 | exp_continue |
| 222 | } |
| 223 | } |
| 224 | } |
| 225 | |
| 226 | gdb_assert { $saw_end_of_file && $saw_inferior_exit } $msg |
| 227 | } |
| 228 | } |
| 229 | return 0 |