gdb/testsuite/gdb.mi/mi-nonstop.exp

   1 # Copyright 2002, 2003, 2004, 2005, 2007, 2008 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 # This only works with native configurations
  17 if {![isnative]} {
  18   return
  19 }
  20
  21 load_lib mi-support.exp
  22 set MIFLAGS "-i=mi"
  23
  24 gdb_exit
  25 if {[mi_gdb_start]} {
  26     continue
  27 }
  28
  29 proc myreverse { list } {
  30     if { [llength $list] <= 1 } {
  31         return $list
  32     }
  33     set tail [lrange $list 1 [llength $list]]
  34     set rtail [myreverse $tail]
  35     lappend rtail [lindex $list 0]
  36     return $rtail
  37 }
  38
  39 proc check_thread_states { xstates test } {
  40     global expect_out
  41     set states [myreverse $xstates]
  42     set pattern "\\^done,threads=\\\["
  43     foreach s $states {
  44         set pattern "${pattern}(.*)state=\"$s\""
  45     }
  46     set pattern "$pattern\\\}\\\].*"
  47
  48     verbose -log "expecting: $pattern"
  49     mi_gdb_test "-thread-info" $pattern $test
  50 }
  51
  52 #
  53 # Start here
  54 #
  55 set testfile "non-stop"
  56 set srcfile "$testfile.c"
  57 set binfile "$objdir/$subdir/mi-$testfile"
  58
  59 set options [list debug incdir=$objdir]
  60 if {[gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } {
  61     return -1
  62 }
  63
  64 mi_gdb_reinitialize_dir $srcdir/$subdir
  65 mi_gdb_load $binfile
  66
  67 set supported 0
  68 send_gdb "-gdb-show non-stop\n"
  69 gdb_expect {
  70     -re ".*\\^done,value=\"off\",supported=\"(\[^\"\]+)\"\r\n$mi_gdb_prompt$" {
  71         if { $expect_out(1,string) == "1" } {
  72             set supported 1
  73         }
  74     }
  75     -re ".$mi_gdb_prompt$" {
  76     }
  77 }
  78
  79 if { $supported == 0 } {
  80     verbose -log "Non-stop mode not supported by the target, skipping tests"
  81     return
  82
  83 }
  84
  85 mi_gdb_test "-gdb-set non-stop 1" ".*"
  86 mi_gdb_test "-gdb-set target-async 1" ".*"
  87 detect_async
  88
  89 mi_runto main
  90
  91 mi_create_breakpoint break_at_me 2 keep break_at_me .* .* .* "breakpoint at marker"
  92
  93 mi_send_resuming_command "exec-continue" "resume 1"
  94 mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w0,i0 stop"
  95 mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w1,i0 stop"
  96
  97 check_thread_states {"running" "stopped" "stopped"} "thread state, stop 1"
  98
  99 mi_gdb_test "-thread-select 2" "\\^done.*" "select thread 2"
 100 mi_create_varobj I_W0 "i" "create varobj in first thread"
 101 mi_gdb_test "-thread-select 3" "\\^done.*" "select thread 3"
 102 mi_create_varobj I_W1 "i" "create varobj in second thread"
 103
 104 mi_send_resuming_command "exec-continue --thread 2" "resume 1"
 105 check_thread_states {"running" "running" "stopped"} "thread state, resume 1"
 106 mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w0,i1 stop"
 107 check_thread_states {"running" "stopped" "stopped"} "thread state, stop 2"
 108
 109 mi_send_resuming_command "exec-continue --thread 3" "resume 2"
 110 check_thread_states {"running" "stopped" "running"} "thread state, resume 2"
 111 mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w1,i1 stop"
 112 check_thread_states {"running" "stopped" "stopped"} "thread state, stop 3"
 113
 114 mi_varobj_update * {I_W1 I_W0} "update varobj, 1"
 115 mi_check_varobj_value I_W0 1 "check varobj, w0, 1"
 116 mi_check_varobj_value I_W1 1 "check varobj, w1, 1"
 117
 118 send_gdb "-exec-interrupt --thread 1\n"
 119 gdb_expect {
 120     -re "\\^done\r\n$mi_gdb_prompt\\*stopped\[^\r\n\]+\r\n$" {
 121         pass "interrupted"
 122     }
 123     timeout {
 124         fail "interrupted (timeout)"
 125     }
 126 }
 127 # The interrupt command sends SIGINT to the target, and therefore the
 128 # thread might not be stopped immediately when we return from the target.
 129 # So, wait a bit
 130 sleep 1
 131 check_thread_states {"stopped" "stopped" "stopped"} "thread state, stop 4"
 132
 133 # Note that the order of *running notifications below is 'unnatural'. This is because
 134 # we do only one out-of-line step at the time, so one thread gets resumed immediately
 135 # and another has to wait.
 136 send_gdb "-exec-continue --all\n"
 137 gdb_expect {
 138     -re ".*\\*running,thread-id=\"3\".*\\*running,thread-id=\"1\".*\\*running,thread-id=\"2\"\r\n" {
 139         pass "resume all"
 140     }
 141     timeout {
 142         fail "resume all (timeout)"
 143     }
 144 }
 145
 146 check_thread_states {"running" "running" "running"} "thread state, resume all"
 147
 148 mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w0,i2 stop"
 149 mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w1,i2 stop"
 150
 151 # At this point, thread 1 (main) is running, and worker threads are stopped.
 152 # Check that we can modify breakpoint condition, even when operating on a
 153 # running thread.
 154 mi_gdb_test "-break-condition --thread 1 2 id==1" "\\^done" "set condition, 1"
 155
 156 mi_send_resuming_command "exec-continue --thread 2" "resume 2"
 157 mi_send_resuming_command "exec-continue --thread 3" "resume 3"
 158
 159 sleep 2
 160 mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w0,i3 stop"
 161 check_thread_states {"running" "running" "stopped"} "thread state, stop on cond breakpoint"
 162
 163 # Check that when we update all varobj, we don't get no error about varobj
 164 # bound to running thread.
 165 mi_varobj_update * {I_W1} "update varobj, 2"
 166 mi_check_varobj_value I_W1 3 "check varobj, w1, 1"
 167
 168
 169 # Check that stack commands are allowed on a stopped thread, even if some other threads
 170 # are running, and produce something sane.  Also check we check error on running thread.
 171 mi_gdb_test "-stack-list-frames --thread 2" "\\^error,msg=\".*\"" "stacktrace of running thread"
 172 mi_gdb_test "-stack-list-frames --thread 3" \
 173     "\\^done,stack=\\\[frame={level=\"0\",addr=\".*\",func=\"break_at_me\".*" \
 174     "stacktrace of stopped thread"
 175
 176 # verify that after thread exit, the thread is reported as exited in -thread-info, and
 177 # we can still interact with other threads.
 178 mi_gdb_test "-thread-select 2" "\\^done.*" "select first worker thread"
 179 # Since thread 2 is running, we need to set variable via another thread.
 180 mi_gdb_test "-gdb-set --thread 3 variable exit_first_thread=1" ".*\\^done" "ask the second thread to exit"
 181 gdb_expect {
 182     -re ".*=thread-exited,id=\"2\"\r\n$" {
 183         pass "wait for thread exit"
 184     }
 185     timeout {
 186         fail "wait for thread exit (timeout)"
 187     }
 188 }
 189
 190 # See that we can still poke other threads.
 191 mi_gdb_test "-stack-list-frames --thread 3" \
 192     "\\^done,stack=\\\[frame={level=\"0\",addr=\".*\",func=\"break_at_me\".*" \
 193     "stacktrace of stopped thread"
 194
 195
 196 mi_gdb_exit
 197