1 # Copyright (C) 2011 Free Software Foundation, Inc.
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.
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.
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/>.
17 # Utility for running a given test through the simulate-thread harness
18 # using gdb. This is invoked via dg-final.
20 # Adapted from the guality harness.
22 # Call 'fail' if a given test printed "FAIL:", otherwise call 'pass'.
24 proc simulate-thread { args } {
26 # ??? Exit immediately if this is alpha*-*-* target, single-stepping
27 # executable between ldl_l and stl_c insns in gdb breaks LL/SC chaining.
28 if { [istarget alpha*-*-*] } { return }
30 # GNU gdb 6.3 on powerpc-darwin also on these (and expect does not appear
31 # to be able to terminate them).
32 if { [istarget powerpc*-*-darwin*] } { return }
34 if { ![isnative] || [is_remote target] } { return }
36 if { [llength $args] == 1 } {
37 switch [dg-process-target [lindex $args 0]] {
38 "F" { setup_xfail "*-*-*" }
42 # This assumes that we are three frames down from dg-test, and that
43 # it still stores the filename of the testcase in a local variable "name".
44 # A cleaner solution would require a new DejaGnu release.
47 upvar 2 srcdir testsuite_dir
49 set gdb_name $::env(GDB_FOR_GCC_TESTING)
50 set exec_file "[file rootname [file tail $prog]].exe"
51 set cmd_file "$testsuite_dir/gcc.dg/simulate-thread/simulate-thread.gdb"
53 if ![file exists $exec_file] {
57 send_log "Spawning: $gdb_name -nx -nw -quiet -x $cmd_file ./$exec_file\n"
58 set res [remote_spawn target "$gdb_name -nx -nw -x $cmd_file ./$exec_file"]
59 if { $res < 0 || $res == "" } {
60 unsupported "$testcase"
65 remote_expect target [timeout_value] {
67 -re "Unhandled dwarf expression|Error in sourced command file" {
68 unsupported "$testcase"
77 # If the gdb output contained simulate_thread_main, assume
78 # that at the very least, we had a working gdb that was able
79 # to break in simulate_thread_main.
80 -re "simulate_thread_main" {
85 unsupported "$testcase"
95 # Fail in the absence of a sane GDB.