| 1 | # Copyright 2002, 2003, 2004, 2007, 2008 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 checks for the bug gdb/669, where the console |
| 20 | # command "info threads" and the MI command "-thread-list-ids" |
| 21 | # return different threads in the system. |
| 22 | |
| 23 | # This only works with native configurations |
| 24 | if {![isnative]} { |
| 25 | return |
| 26 | } |
| 27 | |
| 28 | load_lib mi-support.exp |
| 29 | set MIFLAGS "-i=mi" |
| 30 | |
| 31 | gdb_exit |
| 32 | if {[mi_gdb_start]} { |
| 33 | continue |
| 34 | } |
| 35 | |
| 36 | # The procs below are all stolen from mi-pthreads.exp. Any updates |
| 37 | # should also be made to the procs there. |
| 38 | |
| 39 | proc get_mi_thread_list {name} { |
| 40 | global expect_out |
| 41 | |
| 42 | # MI will return a list of thread ids: |
| 43 | # |
| 44 | # -thread-list-ids |
| 45 | # ^done,thread-ids=[thread-id="1",thread-id="2",...],number-of-threads="N" |
| 46 | # (gdb) |
| 47 | mi_gdb_test "-thread-list-ids" \ |
| 48 | {\^done,thread-ids={(thread-id="[0-9]+"(,)?)+},number-of-threads="[0-9]+"} \ |
| 49 | "-thread_list_ids ($name)" |
| 50 | |
| 51 | set output {} |
| 52 | if {[info exists expect_out(buffer)]} { |
| 53 | set output $expect_out(buffer) |
| 54 | } |
| 55 | set thread_list {} |
| 56 | if {![regexp {thread-ids=\{(thread-id="[0-9]+"(,)?)*\}} $output threads]} { |
| 57 | fail "finding threads in MI output ($name)" |
| 58 | } else { |
| 59 | pass "finding threads in MI output ($name)" |
| 60 | |
| 61 | # Make list of console threads |
| 62 | set start [expr {[string first \{ $threads] + 1}] |
| 63 | set end [expr {[string first \} $threads] - 1}] |
| 64 | set threads [string range $threads $start $end] |
| 65 | foreach thread [split $threads ,] { |
| 66 | if {[scan $thread {thread-id="%d"} num]} { |
| 67 | lappend thread_list $num |
| 68 | } |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | return $thread_list |
| 73 | } |
| 74 | |
| 75 | # Check that MI and the console know of the same threads. |
| 76 | # Appends NAME to all test names. |
| 77 | proc check_mi_and_console_threads {name} { |
| 78 | global expect_out |
| 79 | |
| 80 | mi_gdb_test "-thread-list-ids" \ |
| 81 | {\^done,thread-ids={(thread-id="[0-9]+"(,)*)+},number-of-threads="[0-9]+"} \ |
| 82 | "-thread-list-ids ($name)" |
| 83 | set mi_output {} |
| 84 | if {[info exists expect_out(buffer)]} { |
| 85 | set mi_output $expect_out(buffer) |
| 86 | } |
| 87 | |
| 88 | # GDB will return a list of thread ids and some more info: |
| 89 | # |
| 90 | # (gdb) |
| 91 | # -interpreter-exec console "info threads" |
| 92 | # ~" 4 Thread 2051 (LWP 7734) 0x401166b1 in __libc_nanosleep () at __libc_nanosleep:-1" |
| 93 | # ~" 3 Thread 1026 (LWP 7733) () at __libc_nanosleep:-1" |
| 94 | # ~" 2 Thread 2049 (LWP 7732) 0x401411f8 in __poll (fds=0x804bb24, nfds=1, timeout=2000) at ../sysdeps/unix/sysv/linux/poll.c:63" |
| 95 | # ~"* 1 Thread 1024 (LWP 7731) main (argc=1, argv=0xbfffdd94) at ../../../src/gdb/testsuite/gdb.mi/pthreads.c:160" |
| 96 | # FIXME: kseitz/2002-09-05: Don't use the hack-cli method. |
| 97 | mi_gdb_test "info threads" \ |
| 98 | {.*(~".*"[\r\n]*)+.*} \ |
| 99 | "info threads ($name)" |
| 100 | set console_output {} |
| 101 | if {[info exists expect_out(buffer)]} { |
| 102 | set console_output $expect_out(buffer) |
| 103 | } |
| 104 | |
| 105 | # Make a list of all known threads to console (gdb's thread IDs) |
| 106 | set console_thread_list {} |
| 107 | foreach line [split $console_output \n] { |
| 108 | if {[string index $line 0] == "~"} { |
| 109 | # This is a line from the console; trim off "~", " ", "*", and "\"" |
| 110 | set line [string trim $line ~\ \"\*] |
| 111 | if {[scan $line "%d" id] == 1} { |
| 112 | lappend console_thread_list $id |
| 113 | } |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | # Now find the result string from MI |
| 118 | set mi_result "" |
| 119 | foreach line [split $mi_output \n] { |
| 120 | if {[string range $line 0 4] == "^done"} { |
| 121 | set mi_result $line |
| 122 | } |
| 123 | } |
| 124 | if {$mi_result == ""} { |
| 125 | fail "finding MI result string ($name)" |
| 126 | } else { |
| 127 | pass "finding MI result string ($name)" |
| 128 | } |
| 129 | |
| 130 | # Finally, extract the thread ids and compare them to the console |
| 131 | set num_mi_threads_str "" |
| 132 | if {![regexp {number-of-threads="[0-9]+"} $mi_result num_mi_threads_str]} { |
| 133 | fail "finding number of threads in MI output ($name)" |
| 134 | } else { |
| 135 | pass "finding number of threads in MI output ($name)" |
| 136 | |
| 137 | # Extract the number of threads from the MI result |
| 138 | if {![scan $num_mi_threads_str {number-of-threads="%d"} num_mi_threads]} { |
| 139 | fail "got number of threads from MI ($name)" |
| 140 | } else { |
| 141 | pass "got number of threads from MI ($name)" |
| 142 | |
| 143 | # Check if MI and console have same number of threads |
| 144 | if {$num_mi_threads != [llength $console_thread_list]} { |
| 145 | fail "console and MI have same number of threads ($name)" |
| 146 | } else { |
| 147 | pass "console and MI have same number of threads ($name)" |
| 148 | |
| 149 | # Get MI thread list |
| 150 | set mi_thread_list [get_mi_thread_list $name] |
| 151 | |
| 152 | # Check if MI and console have the same threads |
| 153 | set fails 0 |
| 154 | foreach ct [lsort $console_thread_list] mt [lsort $mi_thread_list] { |
| 155 | if {$ct != $mt} { |
| 156 | incr fails |
| 157 | } |
| 158 | } |
| 159 | if {$fails > 0} { |
| 160 | fail "MI and console have same threads ($name)" |
| 161 | |
| 162 | # Send a list of failures to the log |
| 163 | send_log "Console has thread ids: $console_thread_list\n" |
| 164 | send_log "MI has thread ids: $mi_thread_list\n" |
| 165 | } else { |
| 166 | pass "MI and console have same threads ($name)" |
| 167 | } |
| 168 | } |
| 169 | } |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | # |
| 174 | # Start here |
| 175 | # |
| 176 | set testfile "pthreads" |
| 177 | set srcfile "$testfile.c" |
| 178 | set binfile "$objdir/$subdir/gdb669-$testfile" |
| 179 | |
| 180 | set options [list debug incdir=$objdir] |
| 181 | if {[gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } { |
| 182 | return -1 |
| 183 | } |
| 184 | |
| 185 | mi_run_to_main |
| 186 | check_mi_and_console_threads "at main" |
| 187 | |
| 188 | for {set i 0} {$i < 4} {incr i} { |
| 189 | mi_next "next, try $i" |
| 190 | check_mi_and_console_threads "try $i" |
| 191 | } |
| 192 | |
| 193 | mi_gdb_exit |
| 194 | |