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

   1 # Copyright 2008-2013 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 target-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:$bkpt_line" 2 keep thread_function .* .* .* \
  59     "breakpoint at thread_function"
  60
  61 mi_send_resuming_command "exec-continue --all" "resume all"
  62 for {set i 0} {$i < $nthreads} {incr i} {
  63     mi_expect_stop "breakpoint-hit" "thread_function" "\[^\n\]*" "$srcfile" \
  64         "\[0-9\]*" {"" "disp=\"keep\""} "stop $i"
  65 }
  66
  67 # All but the main thread should have hit it.
  68
  69 mi_check_thread_states \
  70     {"running" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped"} \
  71     "thread state: all stopped except the main thread"
  72
  73 # Select a stopped thread to make sure we're able to delete
  74 # breakpoints
  75 mi_gdb_test "-thread-select 5" "\\^done.*" "select thread 5"
  76
  77 # Now that we know about all the threads, we can get rid of
  78 # breakpoint.
  79 mi_delete_breakpoints
  80
  81 # Recreate the same breakpoint, but this time, specific to thread 5.
  82 mi_create_breakpoint "-p 5 $srcfile:$bkpt_line" 3 keep thread_function .* .* .* \
  83     "thread specific breakpoint at thread_function"
  84
  85 # Resume all threads.  Only thread 5 should report a stop.
  86
  87 set running_re ""
  88 for {set i $nthreads} {$i > 1} {incr i -1} {
  89     set running_re "$running_re\\*running,thread-id=\"$decimal\"\r\n"
  90 }
  91 # Don't append \r\n after last line.
  92 set running_re "$running_re\\*running,thread-id=\"$decimal\""
  93
  94 mi_gdb_test "-exec-continue --all" "\[^\n\]*\r\n$running_re" \
  95     "resume all, thread specific breakpoint"
  96
  97 mi_expect_stop "breakpoint-hit" "thread_function" "\[^\n\]*" "$srcfile" \
  98     "\[0-9\]*" {"" "disp=\"keep\""} "hit thread specific breakpoint"
  99
 100 # All threads except both thread 5 (and the main thread) should now be
 101 # repeatedly hitting the thread specific breakpoint and stepping over
 102 # it transparently.  These are internal events, so the frontend should
 103 # see those threads as running.
 104
 105 mi_check_thread_states \
 106     {"running" "running" "running" "running" "stopped" "running" "running" "running" "running"} \
 107     "thread state: all running except the breakpoint thread"
 108
 109 # Get rid of the breakpoint while the other threads are stepping over
 110 # it, and tell all threads to exit.  The program should exit
 111 # gracefully shortly.  Send all commands in a row, since if something
 112 # goes wrong with moribund locations support or displaced stepping (or
 113 # a target bug if it can step over breakpoints itself), a spurious
 114 # SIGTRAP/SIGSEGV can come at any time after deleting the breakpoint.
 115 # Note that this causes multiple prompts to appear before the output
 116 # we are interested in, so we can't use mi_gdb_test or
 117 # gdb_test_multiple (or an MI equivalent)
 118
 119 mi_gdb_test "102-break-delete" "102\\^done.*"
 120 mi_gdb_test "print done = 1" { = 1"}
 121 mi_gdb_test "103-exec-continue --all" "\[^\n\]*\r\n$running_re"
 122
 123 gdb_expect {
 124     -re "\\*stopped,reason=\"exited-normally\"" {
 125        pass "resume all, program exited normally"
 126     }
 127     timeout {
 128        fail "resume all, waiting for program exit (timeout)"
 129     }
 130 }
 131
 132 mi_gdb_exit