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

   1 # Copyright 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
   2 # Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17
  18 if { ![support_displaced_stepping] } {
  19     unsupported "displaced stepping"
  20     return -1
  21 }
  22
  23 load_lib mi-support.exp
  24 set MIFLAGS "-i=mi"
  25
  26 gdb_exit
  27 if {[mi_gdb_start]} {
  28     continue
  29 }
  30
  31 proc mi_nonstop_resume { command test } {
  32     if { [mi_send_resuming_command $command $test] != 0 } {
  33         # If a resume fails, assume non-stop is broken or unsupported
  34         # for this target.  We have logged a FAIL or UNSUPPORTED; skip
  35         # the remaining tests to limit timeouts.
  36         return -code continue
  37     }
  38 }
  39
  40 #
  41 # Start here
  42 #
  43 set testfile "non-stop"
  44 set srcfile "$testfile.c"
  45 set binfile "$objdir/$subdir/mi-$testfile"
  46
  47 set options [list debug incdir=$objdir]
  48 if {[gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } {
  49     return -1
  50 }
  51
  52 mi_gdb_reinitialize_dir $srcdir/$subdir
  53 mi_gdb_load $binfile
  54
  55 mi_gdb_test "-gdb-set non-stop 1" ".*"
  56 mi_gdb_test "-gdb-set target-async 1" ".*"
  57 detect_async
  58
  59 if { [mi_run_to_main] < 0 } {
  60     continue
  61 }
  62
  63 mi_create_breakpoint break_at_me 2 keep break_at_me .* .* .* "breakpoint at marker"
  64
  65 mi_nonstop_resume "exec-continue" "resume 1"
  66 mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w0,i0 stop"
  67 mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w1,i0 stop"
  68
  69 mi_check_thread_states {"running" "stopped" "stopped"} "thread state, stop 1"
  70
  71 mi_gdb_test "-thread-select 2" "\\^done.*" "select thread 2"
  72 mi_create_varobj I_W0 "i" "create varobj in first thread"
  73 mi_gdb_test "-thread-select 3" "\\^done.*" "select thread 3"
  74 mi_create_varobj I_W1 "i" "create varobj in second thread"
  75
  76 mi_nonstop_resume "exec-continue --thread 2" "resume 1"
  77 mi_check_thread_states {"running" "running" "stopped"} "thread state, resume 1"
  78 mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w0,i1 stop"
  79 mi_check_thread_states {"running" "stopped" "stopped"} "thread state, stop 2"
  80
  81 mi_nonstop_resume "exec-continue --thread 3" "resume 2"
  82 mi_check_thread_states {"running" "stopped" "running"} "thread state, resume 2"
  83 mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w1,i1 stop"
  84 mi_check_thread_states {"running" "stopped" "stopped"} "thread state, stop 3"
  85
  86 mi_varobj_update * {I_W1 I_W0} "update varobj, 1"
  87 mi_check_varobj_value I_W0 1 "check varobj, w0, 1"
  88 mi_check_varobj_value I_W1 1 "check varobj, w1, 1"
  89
  90 mi_gdb_test "-exec-interrupt --thread 1" "\\^done" "interrupted"
  91 mi_expect_interrupt "got interrupt"
  92
  93 # The interrupt command sends SIGINT to the target, and therefore the
  94 # thread might not be stopped immediately when we return from the target.
  95 # So, wait a bit
  96 sleep 1
  97 mi_check_thread_states {"stopped" "stopped" "stopped"} "thread state, stop 4"
  98
  99 mi_gdb_test "-exec-continue --all" ".*\\*running,thread-id=\"3\"\r\n\\*running,thread-id=\"2\"\r\n\\*running,thread-id=\"1\"" \
 100     "resume all"
 101
 102 mi_expect_stop "breakpoint-hit" "break_at_me" "\[^\n\]*" "non-stop.c" "\[0-9\]*" {"" "disp=\"keep\""} "w0,i2 stop"
 103 mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w1,i2 stop"
 104
 105 # At this point, thread 1 (main) is running, and worker threads are stopped.
 106 # Check that we can modify breakpoint condition, even when operating on a
 107 # running thread.
 108 mi_gdb_test "-break-condition --thread 1 2 id==1" "\\^done" "set condition, 1"
 109
 110 mi_nonstop_resume "exec-continue --thread 2" "resume 2"
 111 mi_nonstop_resume "exec-continue --thread 3" "resume 3"
 112
 113 sleep 2
 114 mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w0,i3 stop"
 115 mi_check_thread_states {"running" "running" "stopped"} "thread state, stop on cond breakpoint"
 116
 117 # Check that when we update all varobj, we don't get no error about varobj
 118 # bound to running thread.
 119 mi_varobj_update * {I_W1} "update varobj, 2"
 120 mi_check_varobj_value I_W1 3 "check varobj, w1, 1"
 121
 122
 123 # Check that stack commands are allowed on a stopped thread, even if some other threads
 124 # are running, and produce something sane.  Also check we check error on running thread.
 125 mi_gdb_test "-stack-list-frames --thread 2" "\\^error,msg=\".*\"" "stacktrace of running thread"
 126 mi_gdb_test "-stack-list-frames --thread 3" \
 127     "\\^done,stack=\\\[frame={level=\"0\",addr=\".*\",func=\"break_at_me\".*" \
 128     "stacktrace of stopped thread"
 129
 130 # verify that after thread exit, the thread is reported as exited in -thread-info, and
 131 # we can still interact with other threads.
 132 mi_gdb_test "-thread-select 2" "\\^done.*" "select first worker thread"
 133 # Since thread 2 is running, we need to set variable via another thread.
 134 mi_gdb_test "-gdb-set --thread 3 variable exit_first_thread=1" ".*\\^done" "ask the second thread to exit"
 135
 136 set test "wait for thread exit"
 137 if { [is_remote target] } {
 138     # The remote protocol doesn't have support for thread exit
 139     # notifications.
 140     unsupported $test
 141 } else {
 142     gdb_expect {
 143         -re ".*=thread-exited,id=\"2\",group-id=\"i\[0-9\]+\"\r\n$" {
 144             pass $test
 145         }
 146         timeout {
 147             fail "$test (timeout)"
 148         }
 149     }
 150 }
 151
 152 # See that we can still poke other threads.
 153 mi_gdb_test "-stack-list-frames --thread 3" \
 154     "\\^done,stack=\\\[frame={level=\"0\",addr=\".*\",func=\"break_at_me\".*" \
 155     "stacktrace of stopped thread"
 156
 157 mi_gdb_exit