gcc/testsuite/lib/gcc-simulate-thread.exp

   1 #   Copyright (C) 2011 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 GCC; see the file COPYING3.  If not see
  15 # <http://www.gnu.org/licenses/>.
  16
  17 # Utility for running a given test through the simulate-thread harness
  18 # using gdb.  This is invoked via dg-final.
  19 #
  20 # Adapted from the guality harness.
  21 #
  22 # Call 'fail' if a given test printed "FAIL:", otherwise call 'pass'.
  23
  24 proc simulate-thread { args } {
  25     if { ![isnative] || [is_remote target] } { return }
  26
  27     if { [llength $args] == 1 } {
  28         switch [dg-process-target [lindex $args 0]] {
  29                 "F" { setup_xfail "*-*-*" }
  30         }
  31     }
  32
  33     # This assumes that we are three frames down from dg-test, and that
  34     # it still stores the filename of the testcase in a local variable "name".
  35     # A cleaner solution would require a new DejaGnu release.
  36     upvar 2 name testcase
  37     upvar 2 prog prog
  38     upvar 2 srcdir testsuite_dir
  39
  40     set gdb_name $::env(GDB_FOR_GCC_TESTING)
  41     set exec_file "[file rootname [file tail $prog]].exe"
  42     set cmd_file "$testsuite_dir/gcc.dg/simulate-thread/simulate-thread.gdb"
  43
  44     if ![file exists $exec_file] {
  45         return
  46     }
  47
  48     set message "thread simulation test"
  49
  50     send_log "Spawning: $gdb_name -nx -nw -quiet -x $cmd_file ./$exec_file\n"
  51     set res [remote_spawn target "$gdb_name -nx -nw  -x $cmd_file ./$exec_file"]
  52     if { $res < 0 || $res == "" } {
  53         unsupported "$testcase $message"
  54         return
  55     }
  56
  57     set gdb_worked 0
  58
  59     # Set timeout to 20 seconds due to huge amount of generated log.
  60     remote_expect target 20 {
  61         # Too old GDB
  62         -re "Unhandled dwarf expression|Error in sourced command file" {
  63             unsupported "$testcase $message"
  64             remote_close target
  65             return
  66         }
  67         -re "FAIL:" {
  68             fail "$testcase $message"
  69             remote_close target
  70             return
  71         }
  72         # If the gdb output contained simulate_thread_done, assume
  73         # that at the very least, we had a working gdb that was able
  74         # to break in simulate_thread_done.
  75         -re "simulate_thread_done" {
  76             set gdb_worked 1
  77             exp_continue
  78         }
  79         timeout {
  80             fail "$testcase $message"
  81             remote_close target
  82             return
  83         }
  84     }
  85
  86     remote_close target
  87     if {$gdb_worked} {
  88         pass "$testcase $message"
  89     } else {
  90         # Unsupported in the absence of a sane GDB.
  91         unsupported "$testcase $message"
  92     }
  93     return
  94 }