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# Copyright 2009-2018 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"
gdb_exit
gdb_start
standard_testfile actions.c
if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
executable {debug nowarnings}] != "" } {
untested "failed to compile"
return -1
}
gdb_load $binfile
# PR gdb/21352: Command tsave does not support -r argument
gdb_test "tsave -r" "Argument required \\\(file in which to save trace data\\\)\." \
"tsave command properly supports -r argument"
gdb_test "tvariable \$tvar1" \
"Trace state variable \\\$tvar1 created, with initial value 0." \
"create a trace state variable"
gdb_test "tvariable \$tvar2 = 45" \
"Trace state variable \\\$tvar2 created, with initial value 45." \
"create a trace state variable with initial value"
gdb_test "tvariable \$tvar2 = -92" \
"Trace state variable \\\$tvar2 now has initial value -92." \
"change initial value of a trace state variable"
gdb_test "tvariable \$tvar3 = 2 + 3" \
"Trace state variable \\\$tvar3 created, with initial value 5." \
"create a trace state variable with expression"
gdb_test "tvariable \$tvar3 = 1234567000000" \
"Trace state variable \\\$tvar3 now has initial value 1234567000000." \
"init trace state variable to a 64-bit value"
gdb_test "tvariable $" \
"Must supply a non-empty variable name" \
"tvariable syntax error, not empty variable name"
gdb_test "tvariable main" \
"Name of trace variable should start with '\\\$'" \
"tvariable syntax error, bad name"
gdb_test "tvariable \$\$" \
"Syntax must be \\\$NAME \\\[ = EXPR \\\]" \
"tvariable syntax error, bad name 2"
gdb_test "tvariable \$123" \
"\\\$123 is not a valid trace state variable name" \
"tvariable syntax error, bad name 3"
gdb_test "tvariable \$tvar1 - 93" \
"Syntax must be \\\$NAME \\\[ = EXPR \\\]" \
"tvariable syntax error, not an assignment"
gdb_test "tvariable \$tvar0 = 1 = 1" \
"Left operand of assignment is not an lvalue\." \
"tvariable creation fails with invalid expression"
gdb_test "info tvariables" \
"Name\[\t \]+Initial\[\t \]+Current.*
\\\$tvar1\[\t \]+0\[\t \]+<undefined>.*
\\\$tvar2\[\t \]+-92\[\t \]+<undefined>.*
\\\$tvar3\[\t \]+1234567000000\[\t \]+.*<undefined>.*" \
"List tvariables"
gdb_test "print \$tvar2" " = void" \
"Print a trace state variable before run"
gdb_test_no_output "delete tvariable \$tvar2" \
"delete trace state variable"
gdb_test "info tvariables" \
"Name\[\t \]+Initial\[\t \]+Current.*
\\\$tvar1\[\t \]+0\[\t \]+<undefined>.*
\\\$tvar3\[\t \]+1234567000000\[\t \]+.*<undefined>.*" \
"List tvariables after deletion"
gdb_test "delete tvariable" \
"" \
"Delete all trace state variables" \
"Delete all trace state variables.*y or n.*$" \
"y"
gdb_test "info tvariables" \
"No trace state variables.*" \
"list tvariables after deleting all"
# Now try running a trace.
runto_main
gdb_reinitialize_dir $srcdir/$subdir
# The rest of the testing needs actual tracing to work.
if { ![gdb_target_supports_trace] } then {
unsupported "current target does not support trace"
return 1
}
gdb_delete_tracepoints
set trcpt1 [gdb_gettpnum gdb_c_test]
if { $trcpt1 <= 0 } then {
fail "setting tracepoints"
return
}
gdb_test "tvariable \$tvar5 = 15" \
"Trace state variable \\\$tvar5 created, with initial value 15." \
"create a trace state variable tvar5"
gdb_trace_setactions "collect tsv for first tracepoint" \
"$trcpt1" \
"collect \$tvar5 += 1" "^$"
gdb_test_no_output "tstart" ""
gdb_test "print \$tvar5" " = 15" \
"Print a trace state variable at start of run"
# Be sure not to fall off the end of the program.
gdb_test "break end" ".*" ""
gdb_test "continue" \
"Continuing.*Breakpoint $decimal, end.*" \
"run trace experiment"
gdb_test "print \$tvar5" " = 16" \
"Print a trace state variable during run"
gdb_test_no_output "tstop" ""
# Save trace frames to tfile.
set tracefile [standard_output_file ${testfile}]
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"
proc check_tsv { data_source } {
with_test_prefix "${data_source}" {
gdb_test "tfind 0"
gdb_test "print \$tvar5" " = 16" \
"Print a trace state variable"
gdb_test "tfind" \
"Target failed to find requested trace frame.*"
}
}
# Check the tsv from the live inferior.
check_tsv "live"
# 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"
}
}
# Check the tsv from tfile.
check_tsv "tfile"
# Try to read ctf data 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 $" {
check_tsv "ctf"
}
}
# Restart.
clean_restart ${binfile}
if ![runto_main] then {
fail "can't run to main"
return
}
# If there are predefined TSVs, test these predefined TSVs are correctly
# uploaded.
if [target_info exists gdb,predefined_tsv] {
set tsv [target_info gdb,predefined_tsv]
# Test predefined TSVs are uploaded.
gdb_test "info tvariables" ".*${tsv}.*" "predefined tsvs are uploaded"
} else {
# Otherwise (the predefined TSVs are not defined in the board file),
# test there is no TSVs in GDB.
gdb_test "info tvariables" "No trace state variables\." \
"no predefined tsvs"
}
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