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3666a04883
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
472 lines
14 KiB
Plaintext
472 lines
14 KiB
Plaintext
# Copyright 2015-2021 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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# Test thread ID parsing and display.
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load_lib gdb-python.exp
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standard_testfile
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# Multiple inferiors are needed, therefore both native and extended
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# gdbserver modes are supported. Only non-extended gdbserver is not
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# supported.
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if [use_gdb_stub] {
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untested "using gdb stub"
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return
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}
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if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile} {pthreads debug}] } {
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return -1
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}
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clean_restart ${testfile}
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if { ![runto_main] } then {
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return -1
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}
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# Issue "thread apply TID_LIST p 1234" and expect EXP_TID_LIST (a list
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# of thread ids) to be displayed.
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proc thread_apply {tid_list exp_tid_list {message ""}} {
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global decimal
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set any "\[^\r\n\]*"
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set expected [string_to_regexp $exp_tid_list]
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set r ""
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foreach tid $expected {
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append r "\[\r\n\]+"
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append r "Thread $tid $any:\r\n"
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append r "\\$$decimal = 1234"
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}
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set cmd "thread apply $tid_list"
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if {$message != ""} {
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gdb_test "$cmd p 1234" $r $message
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return
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}
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gdb_test "$cmd p 1234" $r
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}
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# Issue "info threads TID_LIST" and expect EXP_TID_LIST (a list of
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# thread ids) to be displayed.
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proc info_threads {tid_list exp_tid_list {message ""}} {
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set any "\[^\r\n\]*"
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set expected [string_to_regexp $exp_tid_list]
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set r [join $expected " ${any}\r\n${any} "]
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set r "${any} $r ${any}"
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set cmd "info threads $tid_list"
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if {$message != ""} {
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gdb_test $cmd $r $message
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return
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}
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gdb_test $cmd $r
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}
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# Issue "info threads TID_LIST" and expect INFO_THR output. Then
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# issue "thread apply TID_LIST" and expect THR_APPLY output. If
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# THR_APPLY is omitted, INFO_THR is expected instead.
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proc thr_apply_info_thr {tid_list info_thr {thr_apply ""}} {
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if {$thr_apply == ""} {
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set thr_apply $info_thr
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}
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info_threads $tid_list $info_thr
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thread_apply $tid_list $thr_apply
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}
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# Issue both "thread apply TID_LIST" and "info threads TID_LIST" and
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# expect commands to error out with EXP_ERROR_APPLY and EXP_ERROR_INFO.
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# If EXP_ERROR_INFO is missing, default to EXP_ERROR_APPLY.
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proc thr_apply_info_thr_error {tid_list exp_error_apply {exp_error_info ""}} {
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if { "$exp_error_info" == "" } {
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set exp_error_info "$exp_error_apply"
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}
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gdb_test "info threads $tid_list" \
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$exp_error_info
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gdb_test "thread apply $tid_list" \
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$exp_error_apply
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}
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# Issue both "info threads TID_LIST" and "thread apply TID_LIST" and
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# expect the command to error out with "Invalid thread ID: $EXPECTED".
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# EXPECTED is a literal string, not a regexp. If EXPECTED is omitted,
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# TID_LIST is expected instead.
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proc thr_apply_info_thr_invalid {tid_list {expected ""}} {
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if {$expected == ""} {
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set expected $tid_list
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}
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set expected [string_to_regexp $expected]
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gdb_test "info threads $tid_list" \
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"Invalid thread ID: $expected"
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gdb_test "thread apply $tid_list p 1234" \
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"Invalid thread ID: $expected p 1234" \
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"thread apply $tid_list"
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}
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# "info threads" while there's only inferior 1 should show
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# single-number thread IDs.
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with_test_prefix "single inferior" {
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info_threads "" "1"
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gdb_test "thread" "Current thread is 1 .*"
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}
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# "info threads" while there are multiple inferiors should show
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# qualified thread IDs.
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with_test_prefix "two inferiors" {
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# Add another inferior.
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gdb_test "add-inferior" "Added inferior 2.*" "add empty inferior 2"
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# Now that we've added another inferior, thread IDs now show the
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# inferior number.
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info_threads "" "1.1"
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gdb_test "thread" "Current thread is 1\.1 .*"
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gdb_test "inferior 2" "Switching to inferior 2 .*" "switch to inferior 2"
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gdb_test "file ${binfile}" ".*" "load file in inferior 2"
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runto_main
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# Now that we've added another inferior, thread IDs now show the
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# inferior number.
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info_threads "" "1.1 2.1" \
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"info threads show inferior numbers"
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gdb_test "thread" "Current thread is 2\.1 .*" \
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"switch to thread using extended thread ID"
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gdb_breakpoint "thread_function1"
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gdb_continue_to_breakpoint "once"
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gdb_test "inferior 1" "Switching to inferior 1 .*"
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gdb_continue_to_breakpoint "twice"
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info_threads "" "1.1 1.2 2.1 2.2" \
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"info threads again"
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# Same, but show the global ID.
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gdb_test "info threads -gid" \
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[multi_line \
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" 1\.1 +1 +.*" \
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"\\* 1\.2 +4 +.* thread_function1 .* at .*$srcfile:.*" \
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" 2\.1 +2 +.*" \
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" 2\.2 +3 +.* thread_function1 .* at .*$srcfile:.*"]
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# Confirm the convenience variables show the expected numbers.
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gdb_test "p \$_thread == 2" " = 1"
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gdb_test "p \$_gthread == 4" " = 1"
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# Without an explicit inferior component, GDB defaults to the
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# current inferior. Make sure we don't refer to a thread by
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# global ID by mistake.
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gdb_test "thread 4" "Unknown thread 1.4\\."
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# Test thread ID list parsing. Test qualified and unqualified
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# IDs; qualified and unqualified ranges; invalid IDs and invalid
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# ranges.
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# First spawn a couple more threads so ranges includes more than
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# two threads.
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with_test_prefix "more threads" {
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gdb_breakpoint "thread_function2"
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gdb_test "inferior 2" "Switching to inferior 2 .*"
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gdb_continue_to_breakpoint "once"
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gdb_test "inferior 1" "Switching to inferior 1 .*"
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gdb_continue_to_breakpoint "twice"
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}
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thr_apply_info_thr "1" \
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"1.1"
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thr_apply_info_thr "1.1" \
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"1.1"
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thr_apply_info_thr "1 2 3" \
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"1.1 1.2 1.3"
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# Same, but with qualified thread IDs.
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thr_apply_info_thr "1.1 1.2 1.3 2.1 2.2" \
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"1.1 1.2 1.3 2.1 2.2"
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# Test a thread number range.
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thr_apply_info_thr "1-3" \
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"1.1 1.2 1.3"
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# Same, but using a qualified range.
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thr_apply_info_thr "1.1-3" \
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"1.1 1.2 1.3"
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# A mix of qualified and unqualified thread IDs/ranges.
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thr_apply_info_thr "1.1 2-3" \
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"1.1 1.2 1.3"
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thr_apply_info_thr "1 1.2-3" \
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"1.1 1.2 1.3"
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# Likewise, but mix inferiors too.
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thr_apply_info_thr "2.1 2-3" \
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"1.2 1.3 2.1" \
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"2.1 1.2 1.3"
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# Multiple ranges with mixed explicit inferiors.
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thr_apply_info_thr "1.1-2 2.2-3" \
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"1.1 1.2 2.2 2.3"
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# All threads.
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thread_apply "all" \
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"2.3 2.2 2.1 1.3 1.2 1.1"
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thread_apply "all -ascending" \
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"1.1 1.2 1.3 2.1 2.2 2.3"
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# Now test using GDB convenience variables.
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gdb_test "p \$inf = 1" " = 1"
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gdb_test "p \$thr_start = 2" " = 2"
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gdb_test "p \$thr_end = 3" " = 3"
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# Convenience variable for the inferior number, only.
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thr_apply_info_thr "\$inf.2" \
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"1.2"
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thr_apply_info_thr "\$inf.2-3" \
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"1.2 1.3"
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# Convenience variables for thread numbers as well.
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foreach prefix {"" "1." "\$inf."} {
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thr_apply_info_thr "${prefix}\$thr_start" \
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"1.2"
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thr_apply_info_thr "${prefix}\$thr_start-\$thr_end" \
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"1.2 1.3"
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thr_apply_info_thr "${prefix}2-\$thr_end" \
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"1.2 1.3"
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thr_apply_info_thr "${prefix}\$thr_start-3" \
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"1.2 1.3"
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# Undefined convenience variable.
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set prefix_re [string_to_regexp $prefix]
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thr_apply_info_thr_error "${prefix}\$conv123" \
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[multi_line \
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"Convenience variable must have integer value\." \
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"Invalid thread ID: ${prefix_re}\\\$conv123"]
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}
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# Convenience variables pointing at an inexisting thread and/or
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# inferior.
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gdb_test "p \$inf = 30" " = 30"
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gdb_test "p \$thr = 20" " = 20"
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# Try both the convenience variable and the literal number.
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foreach thr {"\$thr" "20" "1.20" "\$inf.1" "30.1" } {
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set expected [string_to_regexp $thr]
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gdb_test "info threads $thr" "No threads match '${expected}'."
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# "info threads" works like a filter. If there's any other
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# valid thread in the list, there's no error.
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info_threads "$thr 1.1" "1.1"
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info_threads "1.1 $thr" "1.1"
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}
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gdb_test "thread apply \$thr p 1234" \
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"warning: Unknown thread 1.20" \
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"thread apply \$thr"
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gdb_test "thread apply \$inf.1 p 1234" \
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"warning: Unknown thread 30.1" \
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"thread apply \$inf.1"
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# Star ranges.
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thr_apply_info_thr "1.*" \
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"1.1 1.2 1.3"
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thr_apply_info_thr "*" \
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"1.1 1.2 1.3"
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thr_apply_info_thr "1.* 2.1" \
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"1.1 1.2 1.3 2.1"
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thr_apply_info_thr "2.1 1.*" \
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"1.1 1.2 1.3 2.1" \
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"2.1 1.1 1.2 1.3"
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thr_apply_info_thr "1.* 2.*" \
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"1.1 1.2 1.3 2.1 2.2 2.3"
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thr_apply_info_thr "2.* 1.*" \
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"1.1 1.2 1.3 2.1 2.2 2.3" \
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"2.1 2.2 2.3 1.1 1.2 1.3"
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# There's no inferior 3, but "info threads" treats the thread list
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# as a filter, so it's OK. "thread apply" complains about the
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# unknown inferior through.
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info_threads "1.1 3.*" \
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"1.1"
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gdb_test "thread apply 1.1 3.* p 1" \
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"Thread 1.1.*warning: Unknown inferior 3"
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# Now test a set of invalid thread IDs/ranges.
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thr_apply_info_thr_invalid "1." \
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"1."
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thr_apply_info_thr_invalid "1-3 1." \
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"1."
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thr_apply_info_thr_invalid "1.1.1" \
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"1.1.1"
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thr_apply_info_thr_invalid "2 1.1.1" \
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"1.1.1"
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thr_apply_info_thr_invalid "1.1.1 2" \
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"1.1.1 2"
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thr_apply_info_thr_invalid "1-2.1" \
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"1-2.1"
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gdb_test "p \$zero = 0" " = 0"
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gdb_test "p \$one = 1" " = 1"
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gdb_test "p \$minus_one = -11" " = -11"
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foreach prefix {"" "1." "$one."} {
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set prefix_re [string_to_regexp $prefix]
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thr_apply_info_thr_invalid "${prefix}foo"
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thr_apply_info_thr_invalid "${prefix}1foo"
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thr_apply_info_thr_invalid "${prefix}foo1"
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thr_apply_info_thr_error "${prefix}1-0" "inverted range"
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thr_apply_info_thr_error "${prefix}1-\$zero" "inverted range"
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thr_apply_info_thr_error "${prefix}\$one-0" "inverted range"
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thr_apply_info_thr_error "${prefix}\$one-\$zero" "inverted range"
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thr_apply_info_thr_error "${prefix}1-" "inverted range"
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thr_apply_info_thr_error "${prefix}2-1" "inverted range"
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thr_apply_info_thr_error "${prefix}2-\$one" "inverted range"
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if {$prefix == ""} {
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thr_apply_info_thr_error "${prefix}-1" "Invalid thread ID: -1" \
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"Unrecognized option at: -1"
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thr_apply_info_thr_error "${prefix}-\$one" \
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"Invalid thread ID: -\\\$one" "Unrecognized option at: -\\\$one"
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} else {
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thr_apply_info_thr_error "${prefix}-1" "negative value"
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thr_apply_info_thr_error "${prefix}-\$one" "negative value"
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}
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thr_apply_info_thr_error "${prefix}\$minus_one" \
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"negative value: ${prefix_re}\\\$minus_one"
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thr_apply_info_thr_error "${prefix}1-*" "inverted range"
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thr_apply_info_thr_invalid "${prefix}*1"
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thr_apply_info_thr_invalid "${prefix}*foo"
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thr_apply_info_thr_invalid "${prefix}foo*"
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}
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# Check that a valid thread ID list with a missing command errors
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# out.
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with_test_prefix "missing command" {
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set output "Please specify a command following the thread ID list"
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gdb_test "thread apply 1" $output
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gdb_test "thread apply 1.1" $output
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gdb_test "thread apply 1.1 1.2" $output
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gdb_test "thread apply 1-2" $output
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gdb_test "thread apply 1.1-2" $output
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gdb_test "thread apply $thr" $output
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gdb_test "thread apply 1.*" $output
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}
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# Check that thread ID list parsing stops at the non-number token
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# "foo" in a corner case where the "foo" is followed by hyphens.
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# In this corner case, GDB used to skip past "foo", and then parse
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# "--1" as a tid range for the current inferior.
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gdb_test "thread apply 1 foo --1" \
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"Undefined command: \"foo\". Try \"help\"\\."
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# Check that we do parse the inferior number and don't confuse it.
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gdb_test "info threads 3.1" \
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"No threads match '3.1'\."
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}
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if { ![skip_python_tests] } {
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with_test_prefix "python" {
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# Check that InferiorThread.num and InferiorThread.global_num
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# return the expected numbers.
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gdb_py_test_silent_cmd "python t0 = gdb.selected_thread ()" \
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"test gdb.selected_thread" 1
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gdb_test "python print ('result = %s' % t0.num)" " = 3" \
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"test InferiorThread.num"
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gdb_test "python print ('result = %s' % t0.global_num)" " = 6" \
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"test InferiorThread.global_num"
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# Breakpoint.thread expects global IDs. Confirm that that
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# works as expected.
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delete_breakpoints
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gdb_breakpoint "thread_function1"
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gdb_py_test_silent_cmd "python bp = gdb.breakpoints()\[0\]" \
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"get python breakpoint" 0
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gdb_test "python bp.thread = 6" "thread = 6" \
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"make breakpoint thread-specific with python"
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# Check that the inferior-qualified ID is correct.
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gdb_test "info breakpoint" \
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"stop only in thread 1.3\r\n.*" \
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"thread specific breakpoint right thread"
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}
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}
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# Remove the second inferior and confirm that GDB goes back to showing
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# single-number thread IDs.
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with_test_prefix "back to one inferior" {
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gdb_test "kill inferior 2" "" "kill inferior 2" "Kill the program being debugged.*" "y"
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gdb_test "thread 1.1" "Switching to thread 1\.1 .*"
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gdb_test "remove-inferior 2" ".*" "remove inferior 2"
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# "info threads" while there's only inferior 1 should show
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# single-number thread IDs.
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info_threads "" "1 2 3"
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gdb_test "thread" "Current thread is 1 .*"
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}
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# Add another inferior and remove inferior 1. Since even though
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# there's a single inferior, its number is not 1, GDB should show
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# inferior-qualified thread IDs.
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with_test_prefix "single-inferior but not initial" {
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# Add another inferior.
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gdb_test "add-inferior" "Added inferior 3.*" "add empty inferior"
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# Now that we'd added another inferior, thread IDs should show the
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# inferior number.
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info_threads "" "1.1 1.2 1.3" \
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"info threads with multiple inferiors"
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gdb_test "thread" "Current thread is 1\.1 .*"
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gdb_test "inferior 3" "Switching to inferior 3 .*" "switch to inferior 3"
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gdb_test "file ${binfile}" ".*" "load file in inferior 3"
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runto_main
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gdb_test "remove-inferior 1" ".*" "remove inferior 1"
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|
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# Even though we have a single inferior, its number is > 1, so
|
|
# thread IDs should include the inferior number.
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|
info_threads "" "3.1" \
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|
"info threads with single inferior"
|
|
|
|
gdb_test "thread" "Current thread is 3\.1 .*" "thread again"
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|
}
|