forked from Imagelibrary/binutils-gdb
d01e823438
This updates the copyright headers to include 2025. I did this by running gdb/copyright.py and then manually modifying a few files as noted by the script. Approved-By: Eli Zaretskii <eliz@gnu.org>
116 lines
4.0 KiB
Plaintext
116 lines
4.0 KiB
Plaintext
# Copyright 2022-2025 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 GDB's direct-call-timeout setting, that is, ensure that if an
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# inferior function call, invoked from e.g. a 'print' command, takes
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# too long, then GDB can interrupt it, and return control to the user.
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standard_testfile
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if { [build_executable "failed to prepare" ${binfile} "${srcfile}" \
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{debug}] == -1 } {
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return
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}
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# Start GDB according to TARGET_ASYNC, TARGET_NON_STOP, and NON_STOP,
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# then adjust the direct-call-timeout, and make an inferior function
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# call that will never return. GDB should eventually timeout and stop
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# the inferior.
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#
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# When UNWIND is "off" the inferior wil be left in the frame where the
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# timeout occurs, otherwise, when UNWIND is "on", GDB should unwind
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# back to the frame where the inferior call was made.
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proc run_test { target_async target_non_stop non_stop unwind } {
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save_vars { ::GDBFLAGS } {
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append ::GDBFLAGS \
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" -ex \"maint set target-non-stop $target_non_stop\""
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append ::GDBFLAGS \
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" -ex \"set non-stop $non_stop\""
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append ::GDBFLAGS \
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" -ex \"maintenance set target-async ${target_async}\""
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clean_restart ${::binfile}
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}
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if {![runto_main]} {
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return
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}
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gdb_test_no_output "set direct-call-timeout 5"
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gdb_test_no_output "set unwind-on-timeout $unwind"
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if { $unwind } {
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gdb_test "print function_that_never_returns ()" \
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[multi_line \
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"The program being debugged timed out while in a function called from GDB\\." \
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"GDB has restored the context to what it was before the call\\." \
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"To change this behavior use \"set unwind-on-timeout off\"\\." \
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"Evaluation of the expression containing the function" \
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"\\(function_that_never_returns\\) will be abandoned\\."]
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gdb_test "bt" \
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"#0\\s+main \\(\\).*"
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} else {
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# When non-stop mode is off we get slightly different output from GDB.
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if { ([target_info gdb_protocol] == "remote"
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|| [target_info gdb_protocol] == "extended-remote")
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&& !$target_non_stop } {
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set stopped_line_pattern "Program received signal SIGINT, Interrupt\\."
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} else {
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set stopped_line_pattern "Program stopped\\."
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}
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gdb_test "print function_that_never_returns ()" \
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[multi_line \
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$stopped_line_pattern \
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".*" \
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"The program being debugged timed out while in a function called from GDB\\." \
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"GDB remains in the frame where the timeout occurred\\." \
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"To change this behavior use \"set unwind-on-timeout on\"\\." \
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"Evaluation of the expression containing the function" \
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"\\(function_that_never_returns\\) will be abandoned\\." \
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"When the function is done executing, GDB will silently stop\\."]
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gdb_test "bt" \
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".* function_that_never_returns .*<function called from gdb>.*"
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}
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}
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foreach_with_prefix target_async { "on" "off" } {
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if { !$target_async } {
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# GDB can't timeout while waiting for a thread if the target
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# runs with async-mode turned off; once the target is running
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# GDB is effectively blocked until the target stops for some
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# reason.
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continue
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}
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foreach_with_prefix target_non_stop { "on" "off" } {
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foreach_with_prefix non_stop { "on" "off" } {
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if { $non_stop && !$target_non_stop } {
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# It doesn't make sense to operate GDB in non-stop
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# mode when the target has (in theory) non-stop mode
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# disabled.
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continue
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}
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foreach_with_prefix unwind { "on" "off" } {
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run_test $target_async $target_non_stop $non_stop $unwind
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}
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}
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}
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}
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