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>
156 lines
4.1 KiB
Plaintext
156 lines
4.1 KiB
Plaintext
# This testcase is part of GDB, the GNU debugger.
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#
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# Copyright 2013-2025 Free Software Foundation, Inc.
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#
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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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# Check that GDB handles GDBserver disconnecting abruptly, in several
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# scenarios.
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load_lib gdbserver-support.exp
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standard_testfile
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require allow_gdbserver_tests
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if { [build_executable "failed to prepare" ${testfile}] } {
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return -1
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}
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# Spawn GDBserver, run to main, extract GDBserver's PID and save it in
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# the SERVER_PID global.
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proc prepare {} {
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global binfile gdb_prompt srcfile decimal
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global server_pid
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global GDBFLAGS
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save_vars { GDBFLAGS } {
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# If GDB and GDBserver are both running locally, set the sysroot to avoid
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# reading files via the remote protocol.
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if { ![is_remote host] && ![is_remote target] } {
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set GDBFLAGS "$GDBFLAGS -ex \"set sysroot\""
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}
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clean_restart $binfile
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}
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# Make sure we're disconnected, in case we're testing with an
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# extended-remote board, therefore already connected.
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gdb_test "disconnect" ".*"
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gdbserver_run ""
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gdb_breakpoint ${srcfile}:[gdb_get_line_number "i = 0;"]
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gdb_continue_to_breakpoint "after server_pid assignment"
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# Get the pid of GDBServer.
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set server_pid 0
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gdb_test_multiple "p server_pid" "" {
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-re -wrap " = ($decimal)" {
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set server_pid $expect_out(1,string)
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pass $gdb_test_name
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}
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}
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if {$server_pid == 0} {
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return 0
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}
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return 1
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}
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# Kill GDBserver using the PID saved by prepare.
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proc kill_server {} {
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global server_pid
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remote_exec target "kill -9 $server_pid"
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}
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# Test issuing "tstatus" right after the connection is dropped.
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proc_with_prefix test_tstatus {} {
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if ![prepare] {
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return
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}
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kill_server
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# Enable trace status packet which is disabled after the
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# connection if the remote target doesn't support tracepoint at
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# all. Otherwise, no RSP packet is sent out.
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gdb_test \
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"set remote trace-status-packet on" \
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"Support for the 'qTStatus' packet on the current remote target is set to \"on\"."
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# Force GDB to talk with GDBserver, so that we can get the
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# "connection closed" error.
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gdb_test "tstatus" {Remote connection closed|Remote communication error\. Target disconnected: Connection reset by peer\.}
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}
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# Test unwinding with no debug/unwind info, right after the connection
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# is dropped.
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proc_with_prefix test_unwind_nosyms {} {
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if ![prepare] {
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return
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}
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# Remove symbols, so that we try to unwind with one of the
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# heuristic unwinders, and read memory from within its sniffer.
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gdb_unload
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kill_server
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gdb_test "bt" "(Target disconnected|Remote connection closed|Remote communication error).*"
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}
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# Test unwinding with debug/unwind info, right after the connection is
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# dropped.
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proc_with_prefix test_unwind_syms {} {
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if ![prepare] {
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return
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}
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kill_server
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gdb_test "bt" "(Target disconnected|Remote connection closed|Remote communication error).*"
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}
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# Test performing a stepi right after the connection is dropped.
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proc_with_prefix test_stepi {} {
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if ![prepare] {
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return
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}
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# Ensure GDB has computed the frame-id for the current frame
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# before we kill the gdbserver. With the frame-id cached when we
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# stepi below the first packets we try to send to gdbserver will
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# be from within the breakpoint insertion process.
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gdb_test "info frame" "Stack level 0, .*"
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kill_server
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gdb_test "stepi" "(Target disconnected|Remote connection closed|Remote communication error).*"
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}
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test_tstatus
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test_unwind_nosyms
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test_unwind_syms
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test_stepi
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