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

   1 #   Copyright (C) 2011-2017 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 load_lib timeout.exp
  18
  19 # Utility for running a given test through the simulate-thread harness
  20 # using gdb.  This is invoked via dg-final.
  21 #
  22 # Adapted from the guality harness.
  23 #
  24 # Call 'fail' if a given test printed "FAIL:", otherwise call 'pass'.
  25
  26 proc simulate-thread { args } {
  27     if { ![isnative] || [is_remote target] } { return }
  28
  29     if { [llength $args] == 1 } {
  30         switch [dg-process-target [lindex $args 0]] {
  31                 "F" { setup_xfail "*-*-*" }
  32         }
  33     }
  34
  35     # This assumes that we are three frames down from dg-test, and that
  36     # it still stores the filename of the testcase in a local variable "name".
  37     # A cleaner solution would require a new DejaGnu release.
  38     upvar 2 name testcase
  39     upvar 2 prog prog
  40     upvar 2 srcdir testsuite_dir
  41
  42     set gdb_name $::env(GDB_FOR_GCC_TESTING)
  43     set exec_file "[file rootname [file tail $prog]].exe"
  44     set cmd_file "$testsuite_dir/gcc.dg/simulate-thread/simulate-thread.gdb"
  45
  46     if ![file exists $exec_file] {
  47         return
  48     }
  49
  50     set message "thread simulation test"
  51
  52     send_log "Spawning: $gdb_name -nx -nw -batch -x $cmd_file ./$exec_file\n"
  53     set res [remote_spawn target "$gdb_name -nx -nw -batch -x $cmd_file ./$exec_file"]
  54     if { $res < 0 || $res == "" } {
  55         unsupported "$testcase $message"
  56         return
  57     }
  58
  59     set gdb_worked 0
  60
  61     remote_expect target [timeout_value] {
  62         # Too old GDB
  63         -re "Unhandled dwarf expression|Error in sourced command file" {
  64             unsupported "$testcase $message"
  65             remote_close target
  66             return
  67         }
  68         -re "FAIL:" {
  69             fail "$testcase $message"
  70             remote_close target
  71             return
  72         }
  73         # If the gdb output contained simulate_thread_done, assume
  74         # that at the very least, we had a working gdb that was able
  75         # to break in simulate_thread_done.
  76         -re "simulate_thread_done" {
  77             set gdb_worked 1
  78             exp_continue
  79         }
  80         timeout {
  81             fail "$testcase $message"
  82             remote_close target
  83             return
  84         }
  85     }
  86
  87     remote_close target
  88     if {$gdb_worked} {
  89         pass "$testcase $message"
  90     } else {
  91         # Unsupported in the absence of a sane GDB.
  92         unsupported "$testcase $message"
  93     }
  94     return
  95 }