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jeremybenn |
# Copyright 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
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# 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 this program. If not, see .
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# Regression test for PR11557. Make sure we don't end up with a stale
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# register cache just after resuming a thread.
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load_lib mi-support.exp
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set MIFLAGS "-i=mi"
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gdb_exit
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if {[mi_gdb_start]} {
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continue
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}
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proc mi_nonstop_resume { command test } {
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if { [mi_send_resuming_command $command $test] != 0 } {
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# If a resume fails, assume non-stop is broken or unsupported
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# for this target. We have logged a FAIL or UNSUPPORTED; skip
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# the remaining tests to limit timeouts.
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return -code continue
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}
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}
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#
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# Start here
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#
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set testfile "ns-stale-regcache"
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set srcfile "$testfile.c"
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set binfile "$objdir/$subdir/mi-$testfile"
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set options [list debug incdir=$objdir]
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if {[gdb_compile "$srcdir/$subdir/$srcfile" \
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$binfile executable $options] != "" } {
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return -1
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}
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mi_gdb_reinitialize_dir $srcdir/$subdir
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mi_gdb_load $binfile
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set supported 0
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gdb_test_multiple "-gdb-show non-stop" "" {
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-re ".*\\^done,value=\"off\",supported=\"(\[^\"\]+)\"\r\n$mi_gdb_prompt$" {
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if { $expect_out(1,string) == "1" } {
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set supported 1
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}
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}
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-re ".*$mi_gdb_prompt$" {
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}
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}
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mi_gdb_test "-gdb-set non-stop 1" ".*"
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mi_gdb_test "-gdb-set target-async 1" ".*"
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detect_async
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if { [mi_run_to_main] < 0 } {
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continue
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}
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# Check that register and stack info don't end up stale after resuming
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# a thread.
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mi_nonstop_resume "exec-continue" "resume thread"
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mi_gdb_test "-data-evaluate-expression \$pc" \
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"\\^error,msg=\".*\"" "no stale register cache of resumed thread"
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mi_gdb_test "-stack-info-frame" \
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"\\^error,msg=\".*\"" "no stale frame info of resumed thread"
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# Check that the thread is still running. If the above tests passed,
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# we want it to be for the right reasons.
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mi_check_thread_states {"running"} "main thread still running"
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mi_gdb_exit
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