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 "^\\*  *(\[0-9\]*) Thread \[^\n\]*main\[^\n\]*\n" {
  48       set thr_list "$expect_out(1,string) $thr_list"
  49       exp_continue
  50     }
  51     -re "^  *(\[0-9\]*) Thread \[^\n\]*\n" {
  52       lappend thr_list $expect_out(1,string)
  53       exp_continue
  54     }
  55     -re ".*$gdb_prompt $" {
  56       if { [llength $thr_list] != 0 } {
  57         pass "get threads list"
  58       } else {
  59         fail "get threads list (no threads)"
  60       }
  61     }
  62   }
  63
  64   return $thr_list
  65 }
  66
  67 # Start with a fresh gdb.
  68
  69 gdb_exit
  70 gdb_start
  71 gdb_reinitialize_dir $srcdir/$subdir
  72
  73 gdb_load ${binfile}
  74
  75 gdb_test_no_output "set print sevenbit-strings"
  76 gdb_test_no_output "set width 0"
  77
  78 gdb_test {print $_thread} ".* = 0" "thread var when not running"
  79
  80 runto_main
  81
  82 gdb_breakpoint [gdb_get_line_number "thread-specific.exp: last thread start"]
  83 gdb_continue_to_breakpoint "all threads started"
  84
  85 set line [gdb_get_line_number "thread-specific.exp: thread loop"]
  86 set threads [get_thread_list]
  87
  88 if {[llength $threads] == 0} {
  89   # We have already issued a FAIL above.
  90   return 1
  91 }
  92
  93 gdb_test {print $_thread} ".* = [lindex $threads 0]" "thread var in main"
  94
  95 gdb_test_multiple "break $line thread [lindex $threads 0]" \
  96   "breakpoint $line main thread" {
  97     -re "Breakpoint (\[0-9\]*) at.* file .*$srcfile, line.*$gdb_prompt $" {
  98       set main_breakpoint $expect_out(1,string)
  99       pass "breakpoint $line main thread"
 100     }
 101 }
 102
 103 foreach thread [lrange $threads 1 end] {
 104   gdb_breakpoint "$line thread $thread"
 105 }
 106
 107 gdb_test_multiple "continue" "continue to thread-specific breakpoint" {
 108         -re "Breakpoint $main_breakpoint, .* at .*\r\n$gdb_prompt $" {
 109             fail "continue to thread-specific breakpoint (wrong breakpoint)"
 110         }
 111         -re "Breakpoint (\[0-9\]*), .* at .*\r\n$gdb_prompt $" {
 112             set this_breakpoint $expect_out(1,string)
 113             pass "continue to thread-specific breakpoint"
 114         }
 115 }
 116
 117 gdb_test_multiple "info breakpoint $this_breakpoint" "info on bp" {
 118     -re ".*stop only in thread (\[0-9\]*).*$gdb_prompt $" {
 119         set this_thread $expect_out(1,string)
 120         pass "found breakpoint for thread number"
 121     }
 122 }
 123
 124 gdb_test {print $_thread} ".* = $this_thread" "thread var at break"
 125
 126 return 0