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# Copyright 2011-2016 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 actions.c
set executable $testfile
set expfile tstatus.exp
if [prepare_for_testing $expfile $executable $srcfile \
[list debug]] {
untested "failed to prepare for trace tests"
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 tstatus_output ""
proc run_trace_experiment {} {
global gdb_prompt
global decimal
global tstatus_output
# gdb_test_no_output "set debug remote 1" ""
gdb_test "continue" \
".*Breakpoint \[0-9\]+, begin .*" \
"advance to trace begin"
gdb_test_no_output "tstart my tracing note" "start trace experiment"
gdb_test "continue" \
".*Breakpoint \[0-9\]+, end .*" \
"advance through tracing"
# Now play with tstatus a bit.
# Since support for notes, user, stop reason, etc. is optional, we
# need to match both with and without cases.
set test "tstatus reports trace note"
gdb_test_multiple "tstatus" $test {
-re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Trace notes: my tracing note\.\[\r\n\]+Not looking at any trace frame\..*\r\n$gdb_prompt $" {
pass $test
}
-re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Not looking at any trace frame.*\r\n$gdb_prompt $" {
unsupported $test
}
}
gdb_test "set trace-notes different note" "" "change tracing note"
set test "tstatus reports different trace note"
gdb_test_multiple "tstatus" $test {
-re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Trace notes: different note\.\[\r\n\]+Not looking at any trace frame\..*\r\n$gdb_prompt $" {
pass $test
}
-re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Not looking at any trace frame.*\r\n$gdb_prompt $" {
unsupported $test
}
}
gdb_test "set trace-user me me me" "" "change tracing user"
set test "tstatus reports trace user"
gdb_test_multiple "tstatus" $test {
-re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Trace user is me me me\.\[\r\n\]+Trace notes: different note\.\[\r\n\]+Not looking at any trace frame\..*\r\n$gdb_prompt $" {
pass $test
}
-re "Trace is running.*Trace will stop if GDB disconnects\.\[\r\n\]+Not looking at any trace frame.*\r\n$gdb_prompt $" {
unsupported $test
}
}
gdb_test_no_output "tstop because I can" "trace stopped with note"
set test "tstatus reports trace stop reason"
gdb_test_multiple "tstatus" $test {
-re "(Trace stopped by a tstop command \\(because I can\\)\..*Trace will stop if GDB disconnects\.\[\r\n\]+Trace user is me me me\.\[\r\n\]+Trace notes: different note\.\[\r\n\]+Not looking at any trace frame\.).*\r\n$gdb_prompt $" {
set tstatus_output $expect_out(1,string)
pass $test
}
-re "(Trace stopped by a tstop command\.).*\r\n$gdb_prompt $" {
set tstatus_output $expect_out(1,string)
unsupported $test
}
}
set test "info trace reports tracepoint hit count and traceframe usage"
gdb_test_multiple "info trace" $test {
-re "actions\.c:\[0-9\]+\[\r\n\]+\[\t ]+tracepoint already hit 1 time\[\r\n\]+\[\t ]+trace buffer usage ${decimal} bytes\.\[\r\n\]+\[\t ]+collect parm.*\r\n$gdb_prompt $" {
pass $test
}
-re "actions\.c:\[0-9\]+\[\r\n\]+\[\t ]+collect parm.*\r\n$gdb_prompt $" {
unsupported $test
}
}
}
proc test_tracepoints {} {
global gdb_prompt
gdb_test "break begin" ".*" ""
gdb_test "break end" ".*" ""
gdb_test "trace gdb_c_test" "Tracepoint .*" \
"tracepoint at gdb_c_test"
gdb_trace_setactions "collect at set_point: define actions" \
"" \
"collect parm" "^$"
run_trace_experiment
}
test_tracepoints
set tracefile [standard_output_file ${testfile}]
# Save trace frames to tfile.
gdb_test "tsave ${tracefile}.tf" \
"Trace data saved to file '${tracefile}.tf'.*" \
"save tfile trace file"
# Save trace frames to CTF.
gdb_test "tsave -ctf ${tracefile}.ctf" \
"Trace data saved to directory '${tracefile}.ctf'.*" \
"save ctf trace file"
# Change target to tfile.
set test "change to tfile target"
gdb_test_multiple "target tfile ${tracefile}.tf" "$test" {
-re "A program is being debugged already. Kill it. .y or n. " {
send_gdb "y\n"
exp_continue
}
-re "$gdb_prompt $" {
pass "$test"
}
}
# Convert "(because I can) to "\(because I can\)"
set tstatus_output [string map {\( \\(} $tstatus_output]
set tstatus_output [string map {\) \\)} $tstatus_output]
# The status should be identical to the status of live inferior.
gdb_test "tstatus" "Using a trace file\.\r\n${tstatus_output}.*" \
"tstatus on tfile target"
# Change target to ctf if GDB supports.
gdb_test_multiple "target ctf ${tracefile}.ctf" "" {
-re "Undefined target command: \"ctf ${tracefile}.ctf\"\. Try \"help target\"\.\r\n$gdb_prompt $" {
}
-re ".*\r\n$gdb_prompt $" {
gdb_test "tstatus" "Using a trace file\.\r\n${tstatus_output}.*" \
"tstatus on ctf target"
}
}
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