| # Copyright (C) 2009-2013 Free Software Foundation, Inc. |
| |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with GCC; see the file COPYING3. If not see |
| # <http://www.gnu.org/licenses/>. |
| |
| # Utility for testing variable values using gdb, invoked via dg-final. |
| # Call pass if variable has the desired value, otherwise fail. |
| # |
| # Argument 0 is the line number on which to put a breakpoint |
| # Argument 1 is the name of the variable to be checked |
| # Argument 2 is the expected value of the variable |
| # Argument 3 handles expected failures and the like |
| proc gdb-test { args } { |
| if { ![isnative] || [is_remote target] } { return } |
| |
| if { [llength $args] >= 4 } { |
| switch [dg-process-target [lindex $args 3]] { |
| "S" { } |
| "N" { return } |
| "F" { setup_xfail "*-*-*" } |
| "P" { } |
| } |
| } |
| |
| # This assumes that we are three frames down from dg-test, and that |
| # it still stores the filename of the testcase in a local variable "name". |
| # A cleaner solution would require a new DejaGnu release. |
| upvar 2 name testcase |
| upvar 2 prog prog |
| |
| set gdb_name $::env(GUALITY_GDB_NAME) |
| set testname "$testcase line [lindex $args 0] [lindex $args 1] == [lindex $args 2]" |
| set output_file "[file rootname [file tail $prog]].exe" |
| set cmd_file "[file rootname [file tail $prog]].gdb" |
| |
| set fd [open $cmd_file "w"] |
| puts $fd "break [lindex $args 0]" |
| puts $fd "run" |
| puts $fd "print [lindex $args 1]" |
| puts $fd "print [lindex $args 2]" |
| puts $fd "quit" |
| close $fd |
| |
| send_log "Spawning: $gdb_name -nx -nw -quiet -x $cmd_file ./$output_file\n" |
| set res [remote_spawn target "$gdb_name -nx -nw -quiet -x $cmd_file ./$output_file"] |
| if { $res < 0 || $res == "" } { |
| unsupported "$testname" |
| file delete $cmd_file |
| return |
| } |
| |
| remote_expect target [timeout_value] { |
| # Too old GDB |
| -re "Unhandled dwarf expression|Error in sourced command file" { |
| unsupported "$testname" |
| remote_close target |
| file delete $cmd_file |
| return |
| } |
| -re {[\n\r]\$1 = ([^\n\r]*)[\n\r]+\$2 = ([^\n\r]*)[\n\r]} { |
| set first $expect_out(1,string) |
| set second $expect_out(2,string) |
| if { $first == $second } { |
| pass "$testname" |
| } else { |
| # We need the -- to disambiguate $first from an option, |
| # as it may be negative. |
| send_log -- "$first != $second\n" |
| fail "$testname" |
| } |
| remote_close target |
| file delete $cmd_file |
| return |
| } |
| timeout { |
| unsupported "$testname" |
| remote_close target |
| file delete $cmd_file |
| return |
| } |
| } |
| |
| unsupported "$testname" |
| remote_close target |
| file delete $cmd_file |
| return |
| } |