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# This testcase is part of GDB, the GNU debugger.
# Copyright 2015-2020 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <>.
# Test that trying to trace without a process attached fails properly.
load_lib trace-support.exp
if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
return -1
# Start GDB, but don't run so that we have no process attached.
# Effectively, this tests targets that can do tracing and where GDB
# can start programs ("run"), such as e.g., extended-remote gdbserver.
clean_restart $testfile
if { ![gdb_target_supports_trace] } then {
unsupported "current target does not support trace"
return 1
gdb_test "trace main" \
"Tracepoint \[0-9\] at.* file .*$srcfile, line.*" \
"set tracepoint on main"
gdb_test "tstart" "Target returns error code.*\."
with_test_prefix "after tstart" {
if ![runto_main] {
fail "can't run to main, target may have died unexpectedly"
return -1