139 lines
4.8 KiB
Text
139 lines
4.8 KiB
Text
# Copyright 2008-2022 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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if { ![support_displaced_stepping] } {
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unsupported "displaced stepping"
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return -1
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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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#
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# Start here
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#
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standard_testfile nsmoribund.c
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set options [list debug]
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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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save_vars { GDBFLAGS } {
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append GDBFLAGS " -ex \"set non-stop on\""
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mi_clean_restart $binfile
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}
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mi_gdb_test "-gdb-set mi-async 1" ".*"
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mi_detect_async
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if { [mi_runto_main] < 0 } {
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return
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}
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# Keep this in sync with THREADS in the $srcfile.
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set nthreads 10
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# Set a breakpoint and let all threads hit it (except the main
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# thread).
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set bkpt_line [gdb_get_line_number "set breakpoint here"]
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mi_create_breakpoint "$srcfile:$bkpt_line" \
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"breakpoint at thread_function" \
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-number 2 -function thread_function
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mi_send_resuming_command "exec-continue --all" "resume all"
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for {set i 0} {$i < $nthreads} {incr i} {
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mi_expect_stop "breakpoint-hit" "thread_function" "\[^\n\]*" "$srcfile" \
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"\[0-9\]*" {"" "disp=\"keep\""} "stop $i"
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}
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# All but the main thread should have hit it.
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mi_check_thread_states \
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{"running" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped" "stopped"} \
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"thread state: all stopped except the main thread"
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# Select a stopped thread to make sure we're able to delete
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# breakpoints
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mi_gdb_test "-thread-select 5" "\\^done.*" "select thread 5"
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# Now that we know about all the threads, we can get rid of
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# breakpoint.
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mi_delete_breakpoints
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# Recreate the same breakpoint, but this time, specific to thread 5.
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mi_gdb_test "234-break-insert -p 5 $srcfile:$bkpt_line" \
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"234\\^done,bkpt=\{number=\"3\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\".*\",func=\"thread_function\",file=\".*\",fullname=\".*\",line=\".*\",thread-groups=\\\[\".*\"\\\],thread=\"5\",thread=\"5\",times=\"0\",original-location=\".*\"\}" \
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"thread specific breakpoint at thread_function"
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# Resume all threads. Only thread 5 should report a stop.
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set running_re ""
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for {set i $nthreads} {$i > 1} {incr i -1} {
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set running_re "$running_re\\*running,thread-id=\"$decimal\"\r\n"
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}
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# Don't append \r\n after last line.
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set running_re "$running_re\\*running,thread-id=\"$decimal\""
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mi_gdb_test "-exec-continue --all" "\[^\n\]*\r\n$running_re" \
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"resume all, thread specific breakpoint"
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mi_expect_stop "breakpoint-hit" "thread_function" "\[^\n\]*" "$srcfile" \
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"\[0-9\]*" {"" "disp=\"keep\""} "hit thread specific breakpoint"
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# All threads except both thread 5 (and the main thread) should now be
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# repeatedly hitting the thread specific breakpoint and stepping over
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# it transparently. These are internal events, so the frontend should
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# see those threads as running.
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mi_check_thread_states \
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{"running" "running" "running" "running" "stopped" "running" "running" "running" "running"} \
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"thread state: all running except the breakpoint thread"
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# Get rid of the breakpoint while the other threads are stepping over
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# it, and tell all threads to exit. The program should exit
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# gracefully shortly. Send all commands in a row, since if something
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# goes wrong with moribund locations support or displaced stepping (or
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# a target bug if it can step over breakpoints itself), a spurious
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# SIGTRAP/SIGSEGV can come at any time after deleting the breakpoint.
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# Note that this causes multiple prompts to appear before the output
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# we are interested in, so we can't use mi_gdb_test or
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# gdb_test_multiple (or an MI equivalent)
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mi_gdb_test "102-break-delete" "102\\^done.*"
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set re [list \
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[string_list_to_regexp ~ {"} $] \
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$decimal \
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[string_list_to_regexp " = 1" \\ n {"} \r\n ^ done]]
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set re [join $re ""]
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mi_gdb_test "print done = 1" $re
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# Command exec-continue --all attempts to resume all threads, but only
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# thread 5 was stopped, so only that one is reported as running.
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set running_re "\\*running,thread-id=\"5\""
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mi_gdb_test "103-exec-continue --all" "\[^\n\]*\r\n$running_re" \
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gdb_expect {
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-re "\\*stopped,reason=\"exited-normally\"" {
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pass "resume all, program exited normally"
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}
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timeout {
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fail "resume all, waiting for program exit (timeout)"
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}
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}
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mi_gdb_exit
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