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# Copyright 2013-2017 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
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# 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 <http://www.gnu.org/licenses/>.
load_lib "trace-support.exp"
standard_testfile
if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
return -1
}
if ![runto_main] {
fail "can't run to main to check for trace support"
return -1
}
if ![gdb_target_supports_trace] {
unsupported "target does not support trace"
return -1
}
# Set tracepoints, start tracing and collect data.
proc set_tracepoint_and_collect { } {
global testfile srcfile
# Start with a fresh gdb.
clean_restart ${testfile}
if ![runto_main] {
fail "can't run to main"
return -1
}
gdb_test "break end" "Breakpoint \[0-9\] at .*"
gdb_test "trace start" "Tracepoint \[0-9\] at .*"
gdb_trace_setactions "set action for tracepoint" "" \
"collect testglob" "^$" \
"collect constglob" "^$"
gdb_test_no_output "tstart"
gdb_test "continue" ".*Breakpoint.* end .*at.*$srcfile.*" \
"continue to end"
gdb_test_no_output "tstop"
}
with_test_prefix "live" {
set_tracepoint_and_collect
gdb_test "print testglob" " = 2"
gdb_test "print testglob_not_collected" " = 12"
gdb_test "print constglob" " = 10000"
gdb_test "print constglob_not_collected" " = 100"
}
with_test_prefix "live target tfind" {
gdb_test "tfind 0" "Found trace frame 0, tracepoint \[0-9\]+.*" \
"tfind 0"
gdb_test "print testglob" " = 1"
gdb_test "print testglob_not_collected" " = <unavailable>"
gdb_test "print constglob" " = 10000"
gdb_test "print constglob_not_collected" " = 100"
gdb_test "tfind" "Target failed to find requested trace frame." \
"tfind does not find a second frame"
}
# Save trace frames to trace file.
set tracefile [standard_output_file ${testfile}]
gdb_test "tsave ${tracefile}.tfile" \
"Trace data saved to file '${tracefile}.tfile'.*" \
"save tfile trace"
# Test read memory when changing target from remote to ${target}.
proc test_from_remote { target } {
global gdb_prompt testfile
global tracefile
with_test_prefix "remote to ${target}" {
set_tracepoint_and_collect
# Change target to ${target}.
set test "change target"
gdb_test_multiple "target ${target} ${tracefile}.${target}" "$test" {
-re "A program is being debugged already. Kill it. .y or n. " {
send_gdb "y\n"
exp_continue
}
-re "$gdb_prompt $" {
pass "$test"
}
}
with_test_prefix "w/o setting traceframe" {
gdb_test "print testglob" " = <unavailable>"
gdb_test "print testglob_not_collected" " = <unavailable>"
gdb_test "print constglob" " = 10000"
gdb_test "print constglob_not_collected" " = 100"
}
with_test_prefix "w/ setting traceframe" {
gdb_test "tfind 0" "Found trace frame 0, tracepoint \[0-9\]+.*" \
"tfind 0"
gdb_test "print testglob" " = 1"
gdb_test "print testglob_not_collected" " = <unavailable>"
gdb_test "print constglob" " = 10000"
gdb_test "print constglob_not_collected" " = 100"
gdb_test "tfind" "Target failed to find requested trace frame." \
"tfind does not find a second frame"
}
}
}
test_from_remote "tfile"
# Test read memory when changing target from exec to ${target}
proc teset_from_exec { target } {
global srcdir subdir binfile testfile
global tracefile
# Restart GDB and read the trace data in ${target} target.
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_file_cmd $binfile
gdb_test "target ${target} ${tracefile}.${target}" ".*" \
"change to ${target} target"
with_test_prefix "exec to ${target} w/o setting traceframe" {
gdb_test "print testglob" " = <unavailable>"
gdb_test "print testglob_not_collected" " = <unavailable>"
gdb_test "print constglob" " = 10000"
gdb_test "print constglob_not_collected" " = 100"
}
with_test_prefix "exec to ${target} w/ setting traceframe" {
gdb_test "tfind 0" "Found trace frame 0, tracepoint \[0-9\]+.*" \
"tfind 0"
gdb_test "print testglob" " = 1"
gdb_test "print testglob_not_collected" " = <unavailable>"
gdb_test "print constglob" " = 10000"
gdb_test "print constglob_not_collected" " = 100"
gdb_test "tfind" "Target failed to find requested trace frame." \
"tfind does not find a second frame"
}
}
teset_from_exec "tfile"
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