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