gdb/testsuite/gdb.mi/mi-nsmoribund.exp

   1 # Copyright 2008-2019 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 { ![support_displaced_stepping] } {
  17     unsupported "displaced stepping"
  18     return -1
  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 #
  30 # Start here
  31 #
  32 standard_testfile nsmoribund.c
  33
  34 set options [list debug]
  35 if {[gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } {
  36     return -1
  37 }
  38
  39 mi_gdb_reinitialize_dir $srcdir/$subdir
  40 mi_gdb_load $binfile
  41
  42 mi_gdb_test "-gdb-set non-stop 1" ".*"
  43 mi_gdb_test "-gdb-set mi-async 1" ".*"
  44 mi_detect_async
  45
  46 if { [mi_run_to_main] < 0 } {
  47     continue
  48 }
  49
  50 # Keep this in sync with THREADS in the $srcfile.
  51 set nthreads 10
  52
  53 # Set a breakpoint and let all threads hit it (except the main
  54 # thread).
  55
  56 set bkpt_line [gdb_get_line_number "set breakpoint here"]
  57
  58 mi_create_breakpoint "$srcfile:$bkpt_line" \
  59     "breakpoint at thread_function" \
  60     -number 2 -function thread_function
  61
  62 mi_send_resuming_command "exec-continue --all" "resume all"
  63 for {set i 0} {$i < $nthreads} {incr i} {
  64     mi_expect_stop "breakpoint-hit" "thread_function" "\[^\n\]*" "$srcfile" \
  65         "\[0-9\]*" {"" "disp=\"keep\""} "stop $i"
  66 }
  67
  68 # All but the main thread should have hit it.
  69
  70 mi_check_thread_states \
  71     {"running" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped"} \
  72     "thread state: all stopped except the main thread"
  73
  74 # Select a stopped thread to make sure we're able to delete
  75 # breakpoints
  76 mi_gdb_test "-thread-select 5" "\\^done.*" "select thread 5"
  77
  78 # Now that we know about all the threads, we can get rid of
  79 # breakpoint.
  80 mi_delete_breakpoints
  81
  82 # Recreate the same breakpoint, but this time, specific to thread 5.
  83 mi_gdb_test "234-break-insert -p 5 $srcfile:$bkpt_line" \
  84     "234\\^done,bkpt=\{number=\"3\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\".*\",func=\"thread_function\",file=\".*\",fullname=\".*\",line=\".*\",thread-groups=\\\[\".*\"\\\],thread=\"5\",thread=\"5\",times=\"0\",original-location=\".*\"\}" \
  85     "thread specific breakpoint at thread_function"
  86
  87 # Resume all threads.  Only thread 5 should report a stop.
  88
  89 set running_re ""
  90 for {set i $nthreads} {$i > 1} {incr i -1} {
  91     set running_re "$running_re\\*running,thread-id=\"$decimal\"\r\n"
  92 }
  93 # Don't append \r\n after last line.
  94 set running_re "$running_re\\*running,thread-id=\"$decimal\""
  95
  96 mi_gdb_test "-exec-continue --all" "\[^\n\]*\r\n$running_re" \
  97     "resume all, thread specific breakpoint"
  98
  99 mi_expect_stop "breakpoint-hit" "thread_function" "\[^\n\]*" "$srcfile" \
 100     "\[0-9\]*" {"" "disp=\"keep\""} "hit thread specific breakpoint"
 101
 102 # All threads except both thread 5 (and the main thread) should now be
 103 # repeatedly hitting the thread specific breakpoint and stepping over
 104 # it transparently.  These are internal events, so the frontend should
 105 # see those threads as running.
 106
 107 mi_check_thread_states \
 108     {"running" "running" "running" "running" "stopped" "running" "running" "running" "running"} \
 109     "thread state: all running except the breakpoint thread"
 110
 111 # Get rid of the breakpoint while the other threads are stepping over
 112 # it, and tell all threads to exit.  The program should exit
 113 # gracefully shortly.  Send all commands in a row, since if something
 114 # goes wrong with moribund locations support or displaced stepping (or
 115 # a target bug if it can step over breakpoints itself), a spurious
 116 # SIGTRAP/SIGSEGV can come at any time after deleting the breakpoint.
 117 # Note that this causes multiple prompts to appear before the output
 118 # we are interested in, so we can't use mi_gdb_test or
 119 # gdb_test_multiple (or an MI equivalent)
 120
 121 mi_gdb_test "102-break-delete" "102\\^done.*"
 122 mi_gdb_test "print done = 1" { = 1"}
 123 mi_gdb_test "103-exec-continue --all" "\[^\n\]*\r\n$running_re"
 124
 125 gdb_expect {
 126     -re "\\*stopped,reason=\"exited-normally\"" {
 127        pass "resume all, program exited normally"
 128     }
 129     timeout {
 130        fail "resume all, waiting for program exit (timeout)"
 131     }
 132 }
 133
 134 mi_gdb_exit