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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [gdb/] [testsuite/] [gdb.mi/] [gdb669.exp] - Blame information for rev 840

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1 24 jeremybenn
# Copyright 2002, 2003, 2004, 2007, 2008 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program.  If not, see .
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@prep.ai.mit.edu
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# This file checks for the bug gdb/669, where the console
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# command "info threads" and the MI command "-thread-list-ids"
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# return different threads in the system.
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# This only works with native configurations
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if {![isnative]} {
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  return
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}
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load_lib mi-support.exp
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set MIFLAGS "-i=mi"
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gdb_exit
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if {[mi_gdb_start]} {
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    continue
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}
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# The procs below are all stolen from mi-pthreads.exp. Any updates
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# should also be made to the procs there.
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proc get_mi_thread_list {name} {
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  global expect_out
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  # MI will return a list of thread ids:
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  #
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  # -thread-list-ids
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  # ^done,thread-ids=[thread-id="1",thread-id="2",...],number-of-threads="N"
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  # (gdb)
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  mi_gdb_test "-thread-list-ids" \
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    {\^done,thread-ids={(thread-id="[0-9]+"(,)?)+},number-of-threads="[0-9]+"} \
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    "-thread_list_ids ($name)"
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  set output {}
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  if {[info exists expect_out(buffer)]} {
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    set output $expect_out(buffer)
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  }
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  set thread_list {}
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  if {![regexp {thread-ids=\{(thread-id="[0-9]+"(,)?)*\}} $output threads]} {
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    fail "finding threads in MI output ($name)"
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  } else {
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    pass "finding threads in MI output ($name)"
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    # Make list of console threads
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    set start [expr {[string first \{ $threads] + 1}]
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    set end   [expr {[string first \} $threads] - 1}]
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    set threads [string range $threads $start $end]
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    foreach thread [split $threads ,] {
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      if {[scan $thread {thread-id="%d"} num]} {
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        lappend thread_list $num
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      }
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    }
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  }
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  return $thread_list
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}
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# Check that MI and the console know of the same threads.
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# Appends NAME to all test names.
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proc check_mi_and_console_threads {name} {
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  global expect_out
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  mi_gdb_test "-thread-list-ids" \
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    {\^done,thread-ids={(thread-id="[0-9]+"(,)*)+},number-of-threads="[0-9]+"} \
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    "-thread-list-ids ($name)"
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  set mi_output {}
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  if {[info exists expect_out(buffer)]} {
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    set mi_output $expect_out(buffer)
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  }
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  # GDB will return a list of thread ids and some more info:
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  #
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  # (gdb)
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  # -interpreter-exec console "info threads"
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  # ~"  4 Thread 2051 (LWP 7734)  0x401166b1 in __libc_nanosleep () at __libc_nanosleep:-1"
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  # ~"  3 Thread 1026 (LWP 7733)   () at __libc_nanosleep:-1"
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  # ~"  2 Thread 2049 (LWP 7732)  0x401411f8 in __poll (fds=0x804bb24, nfds=1, timeout=2000) at ../sysdeps/unix/sysv/linux/poll.c:63"
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  # ~"* 1 Thread 1024 (LWP 7731)  main (argc=1, argv=0xbfffdd94) at ../../../src/gdb/testsuite/gdb.mi/pthreads.c:160"
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  # FIXME: kseitz/2002-09-05: Don't use the hack-cli method.
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  mi_gdb_test "info threads" \
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    {.*(~".*"[\r\n]*)+.*} \
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    "info threads ($name)"
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  set console_output {}
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  if {[info exists expect_out(buffer)]} {
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    set console_output $expect_out(buffer)
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  }
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  # Make a list of all known threads to console (gdb's thread IDs)
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  set console_thread_list {}
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  foreach line [split $console_output \n] {
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    if {[string index $line 0] == "~"} {
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      # This is a line from the console; trim off "~", " ", "*", and "\""
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      set line [string trim $line ~\ \"\*]
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      if {[scan $line "%d" id] == 1} {
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        lappend console_thread_list $id
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      }
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    }
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  }
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  # Now find the result string from MI
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  set mi_result ""
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  foreach line [split $mi_output \n] {
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    if {[string range $line 0 4] == "^done"} {
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      set mi_result $line
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    }
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  }
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  if {$mi_result == ""} {
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    fail "finding MI result string ($name)"
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  } else {
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    pass "finding MI result string ($name)"
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  }
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  # Finally, extract the thread ids and compare them to the console
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  set num_mi_threads_str ""
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  if {![regexp {number-of-threads="[0-9]+"} $mi_result num_mi_threads_str]} {
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    fail "finding number of threads in MI output ($name)"
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  } else {
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    pass "finding number of threads in MI output ($name)"
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    # Extract the number of threads from the MI result
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    if {![scan $num_mi_threads_str {number-of-threads="%d"} num_mi_threads]} {
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      fail "got number of threads from MI ($name)"
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    } else {
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      pass "got number of threads from MI ($name)"
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      # Check if MI and console have same number of threads
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      if {$num_mi_threads != [llength $console_thread_list]} {
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        fail "console and MI have same number of threads ($name)"
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      } else {
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        pass "console and MI have same number of threads ($name)"
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        # Get MI thread list
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        set mi_thread_list [get_mi_thread_list $name]
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        # Check if MI and console have the same threads
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        set fails 0
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        foreach ct [lsort $console_thread_list] mt [lsort $mi_thread_list] {
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          if {$ct != $mt} {
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            incr fails
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          }
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        }
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        if {$fails > 0} {
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          fail "MI and console have same threads ($name)"
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          # Send a list of failures to the log
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          send_log "Console has thread ids: $console_thread_list\n"
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          send_log "MI has thread ids: $mi_thread_list\n"
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        } else {
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          pass "MI and console have same threads ($name)"
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        }
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      }
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    }
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  }
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}
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#
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# Start here
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#
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set testfile "pthreads"
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set srcfile "$testfile.c"
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set binfile "$objdir/$subdir/gdb669-$testfile"
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set options [list debug incdir=$objdir]
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if {[gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } {
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    return -1
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}
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mi_run_to_main
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check_mi_and_console_threads "at main"
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for {set i 0} {$i < 4} {incr i} {
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  mi_next "next, try $i"
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  check_mi_and_console_threads "try $i"
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}
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mi_gdb_exit
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