gdb/testsuite/gdb.mi/mi2-pthreads.exp

   1 # Copyright 2002, 2003, 2004, 2005, 2007 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 # Please email any bugs, comments, and/or additions to this file to:
  17 # bug-gdb@prep.ai.mit.edu
  18
  19 # This file tests MI thread commands.
  20 # Specifically, we are testing the MI command set and the console (in MI)
  21 # command set ("interpreter-exec") and that the commands that are executed
  22 # via these command pathways are properly executed. Console commands
  23 # executed via MI should use MI output wrappers, MI event handlers, etc.
  24
  25 # This only works with native configurations
  26 if {![isnative]} {
  27   return
  28 }
  29
  30 load_lib mi-support.exp
  31 set MIFLAGS "-i=mi2"
  32
  33 gdb_exit
  34 if {[mi_gdb_start]} {
  35     continue
  36 }
  37
  38 # The procs below dealing with parsing cli/mi output for the threadlist
  39 # is duplicated in gdb669.exp. Any changes here will probably need to
  40 # be made there as well.
  41
  42 proc get_mi_thread_list {name} {
  43   global expect_out
  44
  45   # MI will return a list of thread ids:
  46   #
  47   # -thread-list-ids
  48   # ^done,thread-ids=[thread-id="1",thread-id="2",...],number-of-threads="N"
  49   # (gdb)
  50   mi_gdb_test "-thread-list-ids" \
  51     {\^done,thread-ids={(thread-id="[0-9]+"(,)?)+},number-of-threads="[0-9]+"} \
  52     "-thread_list_ids ($name)"
  53
  54   set output {}
  55   if {[info exists expect_out(buffer)]} {
  56     set output $expect_out(buffer)
  57   }
  58
  59   set thread_list {}
  60   if {![regexp {thread-ids=\{(thread-id="[0-9]+"(,)?)*\}} $output threads]} {
  61     fail "finding threads in MI output ($name)"
  62   } else {
  63     pass "finding threads in MI output ($name)"
  64
  65     # Make list of console threads
  66     set start [expr {[string first \{ $threads] + 1}]
  67     set end   [expr {[string first \} $threads] - 1}]
  68     set threads [string range $threads $start $end]
  69     foreach thread [split $threads ,] {
  70       if {[scan $thread {thread-id="%d"} num]} {
  71         lappend thread_list $num
  72       }
  73     }
  74   }
  75
  76   return $thread_list
  77 }
  78
  79 # Check that MI and the console know of the same threads.
  80 # Appends NAME to all test names.
  81 proc check_mi_and_console_threads {name} {
  82   global expect_out
  83
  84   mi_gdb_test "-thread-list-ids" \
  85     {\^done,thread-ids={(thread-id="[0-9]+"(,)*)+},number-of-threads="[0-9]+"} \
  86     "-thread-list-ids ($name)"
  87   set mi_output {}
  88   if {[info exists expect_out(buffer)]} {
  89     set mi_output $expect_out(buffer)
  90   }
  91
  92   # GDB will return a list of thread ids and some more info:
  93   #
  94   # (gdb)
  95   # -interpreter-exec console "info threads"
  96   # ~"  4 Thread 2051 (LWP 7734)  0x401166b1 in __libc_nanosleep () at __libc_nanosleep:-1"
  97   # ~"  3 Thread 1026 (LWP 7733)   () at __libc_nanosleep:-1"
  98   # ~"  2 Thread 2049 (LWP 7732)  0x401411f8 in __poll (fds=0x804bb24, nfds=1, timeout=2000) at ../sysdeps/unix/sysv/linux/poll.c:63"
  99   # ~"* 1 Thread 1024 (LWP 7731)  main (argc=1, argv=0xbfffdd94) at ../../../src/gdb/testsuite/gdb.mi/pthreads.c:160"
 100   # FIXME: kseitz/2002-09-05: Don't use the hack-cli method.
 101   mi_gdb_test "info threads" \
 102     {.*(~".*"[\r\n]*)+.*} \
 103     "info threads ($name)"
 104   set console_output {}
 105   if {[info exists $expect_out(buffer)]} {
 106     set console_output $expect_out(buffer)
 107   }
 108
 109   # Make a list of all known threads to console (gdb's thread IDs)
 110   set console_thread_list {}
 111   foreach line [split $console_output \n] {
 112     if {[string index $line 0] == "~"} {
 113       # This is a line from the console; trim off "~", " ", "*", and "\""
 114       set line [string trim $line ~\ \"\*]
 115       if {[scan $line "%d" id] == 1} {
 116         lappend console_thread_list $id
 117       }
 118     }
 119   }
 120
 121   # Now find the result string from MI
 122   set mi_result ""
 123   foreach line [split $mi_output \n] {
 124     if {[string range $line 0 4] == "^done"} {
 125       set mi_result $line
 126     }
 127   }
 128   if {$mi_result == ""} {
 129     fail "finding MI result string ($name)"
 130   } else {
 131     pass "finding MI result string ($name)"
 132   }
 133
 134   # Finally, extract the thread ids and compare them to the console
 135   set num_mi_threads_str ""
 136   if {![regexp {number-of-threads="[0-9]+"} $mi_result num_mi_threads_str]} {
 137     fail "finding number of threads in MI output ($name)"
 138   } else {
 139     pass "finding number of threads in MI output ($name)"
 140
 141     # Extract the number of threads from the MI result
 142     if {![scan $num_mi_threads_str {number-of-threads="%d"} num_mi_threads]} {
 143       fail "got number of threads from MI ($name)"
 144     } else {
 145       pass "got number of threads from MI ($name)"
 146
 147       # Check if MI and console have same number of threads
 148       if {$num_mi_threads != [llength $console_thread_list]} {
 149         fail "console and MI have same number of threads ($name)"
 150       } else {
 151         pass "console and MI have same number of threads ($name)"
 152
 153         # Get MI thread list
 154         set mi_thread_list [get_mi_thread_list $name]
 155
 156         # Check if MI and console have the same threads
 157         set fails 0
 158         foreach ct [lsort $console_thread_list] mt [lsort $mi_thread_list] {
 159           if {$ct != $mt} {
 160             incr fails
 161           }
 162         }
 163         if {$fails > 0} {
 164           fail "MI and console have same threads ($name)"
 165
 166           # Send a list of failures to the log
 167           send_log "Console has thread ids: $console_thread_list\n"
 168           send_log "MI has thread ids: $mi_thread_list\n"
 169         } else {
 170           pass "MI and console have same threads ($name)"
 171         }
 172       }
 173     }
 174   }
 175 }
 176
 177 # This procedure tests the various thread commands in MI.
 178 proc check_mi_thread_command_set {} {
 179
 180   mi_runto done_making_threads
 181
 182   set thread_list [get_mi_thread_list "in check_mi_thread_command_set"]
 183
 184   mi_gdb_test "-thread-select" \
 185     {\^error,msg="mi_cmd_thread_select: USAGE: threadnum."} \
 186     "check_mi_thread_command_set: -thread-select"
 187
 188   mi_gdb_test "-thread-select 123456789" \
 189     {&.*\^error,msg="Thread ID 123456789 not known\."} \
 190     "check_mi_thread_command_set: -thread-select 123456789"
 191
 192   foreach thread $thread_list {
 193     # line and file are optional.
 194     # many of the threads are blocked in libc calls,
 195     # and many people have libc's with no symbols.
 196     mi_gdb_test "-thread-select $thread" \
 197       "\\^done,new-thread-id=\"$thread\",frame={.*}(,line=\"(-)?\[0-9\]+\",file=\".*\")?" \
 198       "check_mi_thread_command_set: -thread-select $thread"
 199   }
 200 }
 201
 202 #
 203 # Start here
 204 #
 205 set testfile "pthreads"
 206 set srcfile "$testfile.c"
 207 set binfile "$objdir/$subdir/mi2-$testfile"
 208
 209 set options [list debug incdir=$objdir]
 210 if {[gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } {
 211     return -1
 212 }
 213
 214 mi_gdb_reinitialize_dir $srcdir/$subdir
 215 mi_gdb_load $binfile
 216
 217 check_mi_thread_command_set
 218
 219 mi_gdb_exit
 220