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more details on failures. * gdb.mi/mi-nonstop.exp: New. * gdb.mi/non-stop.c: New.binutils-arc-20080908-branch
Vladimir Prus
18 years ago
4 changed files with 296 additions and 1 deletions
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# Copyright 2002, 2003, 2004, 2005, 2007, 2008 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 <http://www.gnu.org/licenses/>. |
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# This only works with native configurations |
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if {![isnative]} { |
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return |
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} |
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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 myreverse { list } { |
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if { [llength $list] <= 1 } { |
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return $list |
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} |
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set tail [lrange $list 1 [llength $list]] |
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set rtail [myreverse $tail] |
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lappend rtail [lindex $list 0] |
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return $rtail |
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} |
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proc check_thread_states { xstates test } { |
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global expect_out |
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set states [myreverse $xstates] |
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set pattern "\\^done,threads=\\\[" |
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foreach s $states { |
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set pattern "${pattern}(.*)state=\"$s\"" |
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} |
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set pattern "$pattern\\\}\\\].*" |
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verbose -log "expecting: $pattern" |
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mi_gdb_test "-thread-info" $pattern $test |
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} |
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# |
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# Start here |
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# |
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set testfile "non-stop" |
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set srcfile "$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_pthreads "$srcdir/$subdir/$srcfile" $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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send_gdb "-gdb-show non-stop\n" |
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gdb_expect { |
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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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if { $supported == 0 } { |
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verbose -log "Non-stop mode not supported by the target, skipping tests" |
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return |
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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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mi_runto main |
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mi_create_breakpoint break_at_me 2 keep break_at_me .* .* .* "breakpoint at marker" |
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mi_send_resuming_command "exec-continue" "resume 1" |
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mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w0,i0 stop" |
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mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w1,i0 stop" |
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check_thread_states {"running" "stopped" "stopped"} "thread state, stop 1" |
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mi_gdb_test "-thread-select 2" "\\^done.*" "select thread 2" |
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mi_create_varobj I_W0 "i" "create varobj in first thread" |
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mi_gdb_test "-thread-select 3" "\\^done.*" "select thread 3" |
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mi_create_varobj I_W1 "i" "create varobj in second thread" |
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mi_send_resuming_command "exec-continue --thread 2" "resume 1" |
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check_thread_states {"running" "running" "stopped"} "thread state, resume 1" |
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mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w0,i1 stop" |
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check_thread_states {"running" "stopped" "stopped"} "thread state, stop 2" |
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mi_send_resuming_command "exec-continue --thread 3" "resume 2" |
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check_thread_states {"running" "stopped" "running"} "thread state, resume 2" |
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mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w1,i1 stop" |
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check_thread_states {"running" "stopped" "stopped"} "thread state, stop 3" |
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mi_varobj_update * {I_W1 I_W0} "update varobj, 1" |
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mi_check_varobj_value I_W0 1 "check varobj, w0, 1" |
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mi_check_varobj_value I_W1 1 "check varobj, w1, 1" |
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send_gdb "-exec-interrupt --thread 1\n" |
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gdb_expect { |
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-re "\\^done\r\n$mi_gdb_prompt\\*stopped\[^\r\n\]+\r\n$" { |
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pass "interrupted" |
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} |
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timeout { |
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fail "interrupted (timeout)" |
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} |
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} |
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# The interrupt command sends SIGINT to the target, and therefore the |
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# thread might not be stopped immediately when we return from the target. |
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# So, wait a bit |
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sleep 1 |
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check_thread_states {"stopped" "stopped" "stopped"} "thread state, stop 4" |
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# Note that the order of *running notifications below is 'unnatural'. This is because |
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# we do only one out-of-line step at the time, so one thread gets resumed immediately |
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# and another has to wait. |
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send_gdb "-exec-continue --all\n" |
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gdb_expect { |
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-re ".*\\*running,thread-id=\"3\".*\\*running,thread-id=\"1\".*\\*running,thread-id=\"2\"\r\n" { |
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pass "resume all" |
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} |
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timeout { |
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fail "resume all (timeout)" |
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} |
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} |
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check_thread_states {"running" "running" "running"} "thread state, resume all" |
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mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w0,i2 stop" |
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mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w1,i2 stop" |
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# At this point, thread 1 (main) is running, and worker threads are stopped. |
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# Check that we can modify breakpoint condition, even when operating on a |
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# running thread. |
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mi_gdb_test "-break-condition --thread 1 2 id==1" "\\^done" "set condition, 1" |
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mi_send_resuming_command "exec-continue --thread 2" "resume 2" |
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mi_send_resuming_command "exec-continue --thread 3" "resume 3" |
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sleep 2 |
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mi_expect_stop "breakpoint-hit" "break_at_me" ".*" "non-stop.c" ".*" {"" "disp=\"keep\""} "w0,i3 stop" |
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check_thread_states {"running" "running" "stopped"} "thread state, stop on cond breakpoint" |
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# Check that when we update all varobj, we don't get no error about varobj |
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# bound to running thread. |
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mi_varobj_update * {I_W1} "update varobj, 2" |
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mi_check_varobj_value I_W1 3 "check varobj, w1, 1" |
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# Check that stack commands are allowed on a stopped thread, even if some other threads |
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# are running, and produce something sane. Also check we check error on running thread. |
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mi_gdb_test "-stack-list-frames --thread 2" "\\^error,msg=\".*\"" "stacktrace of running thread" |
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mi_gdb_test "-stack-list-frames --thread 3" \ |
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"\\^done,stack=\\\[frame={level=\"0\",addr=\".*\",func=\"break_at_me\".*" \ |
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"stacktrace of stopped thread" |
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# verify that after thread exit, the thread is reported as exited in -thread-info, and |
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# we can still interact with other threads. |
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mi_gdb_test "-thread-select 2" "\\^done.*" "select first worker thread" |
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# Since thread 2 is running, we need to set variable via another thread. |
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mi_gdb_test "-gdb-set --thread 3 variable exit_first_thread=1" ".*\\^done" "ask the second thread to exit" |
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gdb_expect { |
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-re ".*=thread-exited,id=\"2\"\r\n$" { |
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pass "wait for thread exit" |
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} |
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timeout { |
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fail "wait for thread exit (timeout)" |
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} |
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} |
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# See that we can still poke other threads. |
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mi_gdb_test "-stack-list-frames --thread 3" \ |
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"\\^done,stack=\\\[frame={level=\"0\",addr=\".*\",func=\"break_at_me\".*" \ |
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"stacktrace of stopped thread" |
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mi_gdb_exit |
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@ -0,0 +1,89 @@ |
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/* Test program for non-stop debugging.
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Copyright 1996, 2002, 2003, 2004, 2007, 2008 Free Software Foundation, Inc. |
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This file is part of GDB. |
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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 <http://www.gnu.org/licenses/>. */
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <pthread.h> |
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/* Under OSF 2.0 & 3.0 and HPUX 10, the second arg of pthread_create
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is prototyped to be just a "pthread_attr_t", while under Solaris it |
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is a "pthread_attr_t *". Arg! */ |
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#if defined (__osf__) || defined (__hpux__) |
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#define PTHREAD_CREATE_ARG2(arg) arg |
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#define PTHREAD_CREATE_NULL_ARG2 null_attr |
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static pthread_attr_t null_attr; |
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#else |
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#define PTHREAD_CREATE_ARG2(arg) &arg |
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#define PTHREAD_CREATE_NULL_ARG2 NULL |
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#endif |
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int exit_first_thread = 0; |
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void break_at_me (int id, int i) |
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{ |
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} |
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void * |
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worker (void *arg) |
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{ |
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int id = (int)arg; |
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int i = 0; |
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/* When gdb is running, it sets hidden breakpoints in the thread
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library. The signals caused by these hidden breakpoints can |
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cause system calls such as 'sleep' to return early. Pay attention |
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to the return value from 'sleep' to get the full sleep. */ |
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for (;;++i) |
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{ |
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int unslept = 1; |
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while (unslept > 0) |
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unslept = sleep (unslept); |
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if (exit_first_thread && id == 0) |
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return; |
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break_at_me (id, i); |
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} |
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} |
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pthread_t |
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create_thread (int id) |
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{ |
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pthread_t tid; |
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if (pthread_create (&tid, PTHREAD_CREATE_NULL_ARG2, worker, (void *) id)) |
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{ |
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perror ("pthread_create 1"); |
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exit (1); |
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} |
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return tid; |
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} |
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int |
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main (int argc, char *argv[]) |
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{ |
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pthread_t tid; |
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create_thread (0); |
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sleep (1); |
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tid = create_thread (1); |
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pthread_join (tid, NULL); |
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return 0; |
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} |
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