gdb/testsuite/gdb.threads/thread-specific.exp

   1 # Copyright 2004, 2007, 2008, 2009, 2010 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 # This file was written by Daniel Jacobowitz <drow@mvista.com>.
  17 # It tests that the correct breakpoint is reported when we hit a
  18 # thread-specific breakpoint inserted for several threads.
  19
  20 if $tracelevel then {
  21         strace $tracelevel
  22 }
  23
  24
  25 set testfile "thread-specific"
  26 set srcfile ${testfile}.c
  27 set binfile ${objdir}/${subdir}/${testfile}
  28
  29 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } {
  30     return -1
  31 }
  32
  33 # Return a list of the valid thread IDs, with the initial thread first.
  34 proc get_thread_list { } {
  35   global gdb_prompt
  36   global expect_out
  37
  38   set thr_list ""
  39
  40   gdb_test_multiple "info threads" "get threads list" {
  41     -re "info threads\r\n" {
  42       exp_continue
  43     }
  44     -re "New Thread \[^\n\]*\n" {
  45       exp_continue
  46     }
  47     -re "^ *Id *Target Id\[^\n\]*\n" {
  48       exp_continue
  49     }
  50     -re "^\\*  *(\[0-9\]*) *Thread \[^\n\]*main\[^\n\]*\n" {
  51       set thr_list "$expect_out(1,string) $thr_list"
  52       exp_continue
  53     }
  54     -re "^  *(\[0-9\]*) *Thread \[^\n\]*\n" {
  55       lappend thr_list $expect_out(1,string)
  56       exp_continue
  57     }
  58     -re ".*$gdb_prompt $" {
  59       if { [llength $thr_list] != 0 } {
  60         pass "get threads list"
  61       } else {
  62         fail "get threads list (no threads)"
  63       }
  64     }
  65   }
  66
  67   return $thr_list
  68 }
  69
  70 # Start with a fresh gdb.
  71
  72 gdb_exit
  73 gdb_start
  74 gdb_reinitialize_dir $srcdir/$subdir
  75
  76 gdb_load ${binfile}
  77
  78 gdb_test_no_output "set print sevenbit-strings"
  79 gdb_test_no_output "set width 0"
  80
  81 gdb_test {print $_thread} ".* = 0" "thread var when not running"
  82
  83 runto_main
  84
  85 gdb_breakpoint [gdb_get_line_number "thread-specific.exp: last thread start"]
  86 gdb_continue_to_breakpoint "all threads started"
  87
  88 set line [gdb_get_line_number "thread-specific.exp: thread loop"]
  89 set threads [get_thread_list]
  90
  91 if {[llength $threads] == 0} {
  92   # We have already issued a FAIL above.
  93   return 1
  94 }
  95
  96 gdb_test {print $_thread} ".* = [lindex $threads 0]" "thread var in main"
  97
  98 gdb_test_multiple "break $line thread [lindex $threads 0]" \
  99   "breakpoint $line main thread" {
 100     -re "Breakpoint (\[0-9\]*) at.* file .*$srcfile, line.*$gdb_prompt $" {
 101       set main_breakpoint $expect_out(1,string)
 102       pass "breakpoint $line main thread"
 103     }
 104 }
 105
 106 foreach thread [lrange $threads 1 end] {
 107   gdb_breakpoint "$line thread $thread"
 108 }
 109
 110 gdb_test_multiple "continue" "continue to thread-specific breakpoint" {
 111         -re "Breakpoint $main_breakpoint, .* at .*\r\n$gdb_prompt $" {
 112             fail "continue to thread-specific breakpoint (wrong breakpoint)"
 113         }
 114         -re "Breakpoint (\[0-9\]*), .* at .*\r\n$gdb_prompt $" {
 115             set this_breakpoint $expect_out(1,string)
 116             pass "continue to thread-specific breakpoint"
 117         }
 118 }
 119
 120 gdb_test_multiple "info breakpoint $this_breakpoint" "info on bp" {
 121     -re ".*stop only in thread (\[0-9\]*).*$gdb_prompt $" {
 122         set this_thread $expect_out(1,string)
 123         pass "found breakpoint for thread number"
 124     }
 125 }
 126
 127 gdb_test {print $_thread} ".* = $this_thread" "thread var at break"
 128
 129 return 0