gnu/dist/gdb6/gdb/testsuite/gdb.mi/gdb669.exp

   1 # Copyright 2002, 2003, 2004 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 2 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, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-gdb@prep.ai.mit.edu
  19
  20 # This file checks for the bug gdb/669, where the console
  21 # command "info threads" and the MI command "-thread-list-ids"
  22 # return different threads in the system.
  23
  24 # This only works with native configurations
  25 if {![isnative]} {
  26   return
  27 }
  28
  29 load_lib mi-support.exp
  30 set MIFLAGS "-i=mi"
  31
  32 gdb_exit
  33 if {[mi_gdb_start]} {
  34     continue
  35 }
  36
  37 # The procs below are all stolen from mi-pthreads.exp. Any updates
  38 # should also be made to the procs there.
  39
  40 proc get_mi_thread_list {name} {
  41   global expect_out
  42
  43   # MI will return a list of thread ids:
  44   #
  45   # -thread-list-ids
  46   # ^done,thread-ids=[thread-id="1",thread-id="2",...],number-of-threads="N"
  47   # (gdb)
  48   mi_gdb_test "-thread-list-ids" \
  49     {\^done,thread-ids={(thread-id="[0-9]+"(,)?)+},number-of-threads="[0-9]+"} \
  50     "-thread_list_ids ($name)"
  51
  52   set output {}
  53   if {[info exists expect_out(buffer)]} {
  54     set output $expect_out(buffer)
  55   }
  56   set thread_list {}
  57   if {![regexp {thread-ids=\{(thread-id="[0-9]+"(,)?)*\}} $output threads]} {
  58     fail "finding threads in MI output ($name)"
  59   } else {
  60     pass "finding threads in MI output ($name)"
  61
  62     # Make list of console threads
  63     set start [expr {[string first \{ $threads] + 1}]
  64     set end   [expr {[string first \} $threads] - 1}]
  65     set threads [string range $threads $start $end]
  66     foreach thread [split $threads ,] {
  67       if {[scan $thread {thread-id="%d"} num]} {
  68         lappend thread_list $num
  69       }
  70     }
  71   }
  72
  73   return $thread_list
  74 }
  75
  76 # Check that MI and the console know of the same threads.
  77 # Appends NAME to all test names.
  78 proc check_mi_and_console_threads {name} {
  79   global expect_out
  80
  81   mi_gdb_test "-thread-list-ids" \
  82     {\^done,thread-ids={(thread-id="[0-9]+"(,)*)+},number-of-threads="[0-9]+"} \
  83     "-thread-list-ids ($name)"
  84   set mi_output {}
  85   if {[info exists expect_out(buffer)]} {
  86     set mi_output $expect_out(buffer)
  87   }
  88
  89   # GDB will return a list of thread ids and some more info:
  90   #
  91   # (gdb)
  92   # -interpreter-exec console "info threads"
  93   # ~"  4 Thread 2051 (LWP 7734)  0x401166b1 in __libc_nanosleep () at __libc_nanosleep:-1"
  94   # ~"  3 Thread 1026 (LWP 7733)   () at __libc_nanosleep:-1"
  95   # ~"  2 Thread 2049 (LWP 7732)  0x401411f8 in __poll (fds=0x804bb24, nfds=1, timeout=2000) at ../sysdeps/unix/sysv/linux/poll.c:63"
  96   # ~"* 1 Thread 1024 (LWP 7731)  main (argc=1, argv=0xbfffdd94) at ../../../src/gdb/testsuite/gdb.mi/pthreads.c:160"
  97   # FIXME: kseitz/2002-09-05: Don't use the hack-cli method.
  98   mi_gdb_test "info threads" \
  99     {.*(~".*"[\r\n]*)+.*} \
 100     "info threads ($name)"
 101   set console_output {}
 102   if {[info exists expect_out(buffer)]} {
 103     set console_output $expect_out(buffer)
 104   }
 105
 106   # Make a list of all known threads to console (gdb's thread IDs)
 107   set console_thread_list {}
 108   foreach line [split $console_output \n] {
 109     if {[string index $line 0] == "~"} {
 110       # This is a line from the console; trim off "~", " ", "*", and "\""
 111       set line [string trim $line ~\ \"\*]
 112       if {[scan $line "%d" id] == 1} {
 113         lappend console_thread_list $id
 114       }
 115     }
 116   }
 117
 118   # Now find the result string from MI
 119   set mi_result ""
 120   foreach line [split $mi_output \n] {
 121     if {[string range $line 0 4] == "^done"} {
 122       set mi_result $line
 123     }
 124   }
 125   if {$mi_result == ""} {
 126     fail "finding MI result string ($name)"
 127   } else {
 128     pass "finding MI result string ($name)"
 129   }
 130
 131   # Finally, extract the thread ids and compare them to the console
 132   set num_mi_threads_str ""
 133   if {![regexp {number-of-threads="[0-9]+"} $mi_result num_mi_threads_str]} {
 134     fail "finding number of threads in MI output ($name)"
 135   } else {
 136     pass "finding number of threads in MI output ($name)"
 137
 138     # Extract the number of threads from the MI result
 139     if {![scan $num_mi_threads_str {number-of-threads="%d"} num_mi_threads]} {
 140       fail "got number of threads from MI ($name)"
 141     } else {
 142       pass "got number of threads from MI ($name)"
 143
 144       # Check if MI and console have same number of threads
 145       if {$num_mi_threads != [llength $console_thread_list]} {
 146         fail "console and MI have same number of threads ($name)"
 147       } else {
 148         pass "console and MI have same number of threads ($name)"
 149
 150         # Get MI thread list
 151         set mi_thread_list [get_mi_thread_list $name]
 152
 153         # Check if MI and console have the same threads
 154         set fails 0
 155         foreach ct [lsort $console_thread_list] mt [lsort $mi_thread_list] {
 156           if {$ct != $mt} {
 157             incr fails
 158           }
 159         }
 160         if {$fails > 0} {
 161           fail "MI and console have same threads ($name)"
 162
 163           # Send a list of failures to the log
 164           send_log "Console has thread ids: $console_thread_list\n"
 165           send_log "MI has thread ids: $mi_thread_list\n"
 166         } else {
 167           pass "MI and console have same threads ($name)"
 168         }
 169       }
 170     }
 171   }
 172 }
 173
 174 #
 175 # Start here
 176 #
 177 set testfile "pthreads"
 178 set srcfile "$testfile.c"
 179 set binfile "$objdir/$subdir/gdb669-$testfile"
 180
 181 set options [list debug incdir=$objdir]
 182 if {[gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } {
 183     return -1
 184 }
 185
 186 mi_gdb_reinitialize_dir $srcdir/$subdir
 187 mi_gdb_load $binfile
 188
 189 mi_run_to_main
 190 check_mi_and_console_threads "at main"
 191
 192 for {set i 0} {$i < 4} {incr i} {
 193   mi_next "next, try $i"
 194   check_mi_and_console_threads "try $i"
 195 }
 196
 197 mi_gdb_exit
 198