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

   1 # Copyright 2008-2021 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 #
  25 # Start here
  26 #
  27 standard_testfile nsmoribund.c
  28
  29 set options [list debug]
  30 if {[gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } {
  31     return -1
  32 }
  33
  34 save_vars { GDBFLAGS } {
  35     append GDBFLAGS " -ex \"set non-stop on\""
  36     mi_clean_restart $binfile
  37 }
  38
  39 mi_gdb_test "-gdb-set mi-async 1" ".*"
  40 mi_detect_async
  41
  42 if { [mi_runto_main] < 0 } {
  43     continue
  44 }
  45
  46 # Keep this in sync with THREADS in the $srcfile.
  47 set nthreads 10
  48
  49 # Set a breakpoint and let all threads hit it (except the main
  50 # thread).
  51
  52 set bkpt_line [gdb_get_line_number "set breakpoint here"]
  53
  54 mi_create_breakpoint "$srcfile:$bkpt_line" \
  55     "breakpoint at thread_function" \
  56     -number 2 -function thread_function
  57
  58 mi_send_resuming_command "exec-continue --all" "resume all"
  59 for {set i 0} {$i < $nthreads} {incr i} {
  60     mi_expect_stop "breakpoint-hit" "thread_function" "\[^\n\]*" "$srcfile" \
  61         "\[0-9\]*" {"" "disp=\"keep\""} "stop $i"
  62 }
  63
  64 # All but the main thread should have hit it.
  65
  66 mi_check_thread_states \
  67     {"running" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped"} \
  68     "thread state: all stopped except the main thread"
  69
  70 # Select a stopped thread to make sure we're able to delete
  71 # breakpoints
  72 mi_gdb_test "-thread-select 5" "\\^done.*" "select thread 5"
  73
  74 # Now that we know about all the threads, we can get rid of
  75 # breakpoint.
  76 mi_delete_breakpoints
  77
  78 # Recreate the same breakpoint, but this time, specific to thread 5.
  79 mi_gdb_test "234-break-insert -p 5 $srcfile:$bkpt_line" \
  80     "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=\".*\"\}" \
  81     "thread specific breakpoint at thread_function"
  82
  83 # Resume all threads.  Only thread 5 should report a stop.
  84
  85 set running_re ""
  86 for {set i $nthreads} {$i > 1} {incr i -1} {
  87     set running_re "$running_re\\*running,thread-id=\"$decimal\"\r\n"
  88 }
  89 # Don't append \r\n after last line.
  90 set running_re "$running_re\\*running,thread-id=\"$decimal\""
  91
  92 mi_gdb_test "-exec-continue --all" "\[^\n\]*\r\n$running_re" \
  93     "resume all, thread specific breakpoint"
  94
  95 mi_expect_stop "breakpoint-hit" "thread_function" "\[^\n\]*" "$srcfile" \
  96     "\[0-9\]*" {"" "disp=\"keep\""} "hit thread specific breakpoint"
  97
  98 # All threads except both thread 5 (and the main thread) should now be
  99 # repeatedly hitting the thread specific breakpoint and stepping over
 100 # it transparently.  These are internal events, so the frontend should
 101 # see those threads as running.
 102
 103 mi_check_thread_states \
 104     {"running" "running" "running" "running" "stopped" "running" "running" "running" "running"} \
 105     "thread state: all running except the breakpoint thread"
 106
 107 # Get rid of the breakpoint while the other threads are stepping over
 108 # it, and tell all threads to exit.  The program should exit
 109 # gracefully shortly.  Send all commands in a row, since if something
 110 # goes wrong with moribund locations support or displaced stepping (or
 111 # a target bug if it can step over breakpoints itself), a spurious
 112 # SIGTRAP/SIGSEGV can come at any time after deleting the breakpoint.
 113 # Note that this causes multiple prompts to appear before the output
 114 # we are interested in, so we can't use mi_gdb_test or
 115 # gdb_test_multiple (or an MI equivalent)
 116
 117 mi_gdb_test "102-break-delete" "102\\^done.*"
 118 mi_gdb_test "print done = 1" { = 1"}
 119 mi_gdb_test "103-exec-continue --all" "\[^\n\]*\r\n$running_re"
 120
 121 gdb_expect {
 122     -re "\\*stopped,reason=\"exited-normally\"" {
 123        pass "resume all, program exited normally"
 124     }
 125     timeout {
 126        fail "resume all, waiting for program exit (timeout)"
 127     }
 128 }
 129
 130 mi_gdb_exit