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

   1 # Copyright 2002-2023 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
  17 require support_displaced_stepping
  18
  19 load_lib mi-support.exp
  20 set MIFLAGS "-i=mi"
  21
  22 proc mi_nonstop_resume { command test } {
  23     if { [mi_send_resuming_command $command $test] != 0 } {
  24         # If a resume fails, assume non-stop is broken or unsupported
  25         # for this target.  We have logged a FAIL or UNSUPPORTED; skip
  26         # the remaining tests to limit timeouts.
  27         return -code continue
  28     }
  29 }
  30
  31 #
  32 # Start here
  33 #
  34 standard_testfile non-stop.c
  35
  36 set options [list debug]
  37 if {[gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } {
  38     return -1
  39 }
  40
  41
  42 save_vars { GDBFLAGS } {
  43     append GDBFLAGS " -ex \"set non-stop on\""
  44     mi_clean_restart $binfile
  45 }
  46
  47 mi_gdb_test "-gdb-set mi-async 1" ".*"
  48 mi_detect_async
  49
  50 if { [mi_runto_main] < 0 } {
  51     return
  52 }
  53
  54 mi_create_breakpoint break_at_me "breakpoint at marker" \
  55     -number 2 -func break_at_me
  56
  57 mi_nonstop_resume "exec-continue" "resume 1"
  58 mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w0,i0 stop"
  59 mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w1,i0 stop"
  60
  61 mi_check_thread_states {"running" "stopped" "stopped"} "thread state, stop 1"
  62
  63 mi_gdb_test "-thread-select 2" "\\^done.*" "select thread 2"
  64 mi_create_varobj I_W0 "i" "create varobj in first thread"
  65 mi_gdb_test "-thread-select 3" "\\^done.*" "select thread 3"
  66 mi_create_varobj I_W1 "i" "create varobj in second thread"
  67
  68 mi_nonstop_resume "exec-continue --thread 2" "resume 1"
  69 mi_check_thread_states {"running" "running" "stopped"} "thread state, resume 1"
  70 mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w0,i1 stop"
  71 mi_check_thread_states {"running" "stopped" "stopped"} "thread state, stop 2"
  72
  73 mi_nonstop_resume "exec-continue --thread 3" "resume 2"
  74 mi_check_thread_states {"running" "stopped" "running"} "thread state, resume 2"
  75 mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w1,i1 stop"
  76 mi_check_thread_states {"running" "stopped" "stopped"} "thread state, stop 3"
  77
  78 mi_varobj_update * {I_W1 I_W0} "update varobj, 1"
  79 mi_check_varobj_value I_W0 1 "check varobj, w0, 1"
  80 mi_check_varobj_value I_W1 1 "check varobj, w1, 1"
  81
  82 mi_gdb_test "-exec-interrupt --thread 1" "\\^done" "interrupted"
  83 mi_expect_interrupt "got interrupt"
  84
  85 # The interrupt command sends SIGINT to the target, and therefore the
  86 # thread might not be stopped immediately when we return from the target.
  87 # So, wait a bit
  88 sleep 1
  89 mi_check_thread_states {"stopped" "stopped" "stopped"} "thread state, stop 4"
  90
  91 mi_gdb_test "-exec-continue --all" ".*\\*running,thread-id=\"1\"\r\n\\*running,thread-id=\"2\"\r\n\\*running,thread-id=\"3\"" \
  92     "resume all"
  93
  94 mi_expect_stop "breakpoint-hit" "break_at_me" "\[^\n\]*" "non-stop.c" "\[0-9\]*" {"" "disp=\"keep\""} "w0,i2 stop"
  95 mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w1,i2 stop"
  96
  97 # At this point, thread 1 (main) is running, and worker threads are stopped.
  98 # Check that we can modify breakpoint condition, even when operating on a
  99 # running thread.
 100 mi_gdb_test "-break-condition --thread 1 2 id==1" "\\^done" "set condition, 1"
 101
 102 mi_nonstop_resume "exec-continue --thread 2" "resume 2"
 103 mi_nonstop_resume "exec-continue --thread 3" "resume 3"
 104
 105 sleep 2
 106 mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w0,i3 stop"
 107 mi_check_thread_states {"running" "running" "stopped"} "thread state, stop on cond breakpoint"
 108
 109 # Check that when we update all varobj, we don't get no error about varobj
 110 # bound to running thread.
 111 mi_varobj_update * {I_W1} "update varobj, 2"
 112 mi_check_varobj_value I_W1 3 "check varobj, w1, 2"
 113
 114
 115 # Check that stack commands are allowed on a stopped thread, even if some other threads
 116 # are running, and produce something sane.  Also check we check error on running thread.
 117 mi_gdb_test "-stack-list-frames --thread 2" "\\^error,msg=\".*\"" "stacktrace of running thread"
 118 mi_gdb_test "-stack-list-frames --thread 3" \
 119     "\\^done,stack=\\\[frame={level=\"0\",addr=\".*\",func=\"break_at_me\".*" \
 120     "stacktrace of stopped thread"
 121
 122 # verify that after thread exit, the thread is reported as exited in -thread-info, and
 123 # we can still interact with other threads.
 124 mi_gdb_test "-thread-select 2" "\\^done.*" "select first worker thread"
 125 # Since thread 2 is running, we need to set variable via another thread.
 126 mi_gdb_test "-gdb-set --thread 3 variable exit_first_thread=1" ".*\\^done" "ask the second thread to exit"
 127
 128 set test "wait for thread exit"
 129 if { [mi_is_target_remote] } {
 130     # The remote protocol doesn't have support for thread exit
 131     # notifications.
 132     unsupported $test
 133 } else {
 134     gdb_expect {
 135         -re ".*=thread-exited,id=\"2\",group-id=\"i\[0-9\]+\"\r\n$" {
 136             pass $test
 137         }
 138         timeout {
 139             fail "$test (timeout)"
 140         }
 141     }
 142 }
 143
 144 # See that we can still poke other threads.
 145 mi_gdb_test "-stack-list-frames --thread 3" \
 146     "\\^done,stack=\\\[frame={level=\"0\",addr=\".*\",func=\"break_at_me\".*" \
 147     "stacktrace of stopped thread, 2"
 148
 149 mi_gdb_exit