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3666a04883
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
373 lines
11 KiB
Plaintext
373 lines
11 KiB
Plaintext
# Copyright 2011-2021 Free Software Foundation, Inc.
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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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load_lib "trace-support.exp"
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if {[skip_shlib_tests]} {
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return 0
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}
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if ![gdb_trace_common_supports_arch] {
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unsupported "no trace-common.h support for arch"
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return -1
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}
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standard_testfile
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set libfile1 "change-loc-1"
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set libfile2 "change-loc-2"
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set executable $testfile
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set libsrc1 $srcdir/$subdir/$libfile1.c
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set libsrc2 $srcdir/$subdir/$libfile2.c
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set lib_sl1 [standard_output_file $libfile1.sl]
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set lib_sl2 [standard_output_file $libfile2.sl]
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set lib_opts debug
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if [get_compiler_info] {
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return -1
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}
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# Some targets have leading underscores on assembly symbols.
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set additional_flags [list debug shlib=$lib_sl1 shlib_load [gdb_target_symbol_prefix_flags]]
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if { [gdb_compile_shlib $libsrc1 $lib_sl1 $lib_opts] != ""
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|| [gdb_compile_shlib $libsrc2 $lib_sl2 $lib_opts] != ""
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|| [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $additional_flags] != ""} {
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untested "failed to compile"
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return -1
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}
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clean_restart $executable
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gdb_load_shlib $lib_sl1
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gdb_load_shlib $lib_sl2
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if ![runto_main] {
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fail "can't run to main to check for trace support"
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return -1
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}
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if { ![gdb_target_supports_trace] } then {
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unsupported "current target does not support trace"
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return -1
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}
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# Set tracepoint during tracing experiment.
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proc tracepoint_change_loc_1 { trace_type } {
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with_test_prefix "1 $trace_type" {
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global testfile
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global srcfile
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global pcreg
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global gdb_prompt
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clean_restart ${testfile}
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if ![runto_main] {
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fail "can't run to main"
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return -1
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}
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gdb_test_no_output "delete break 1"
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# Set a tracepoint we'll never meet. Just to avoid the
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# complain after type `tstart' later.
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gdb_test "next" ".*"
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gdb_test "trace main" \
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"Tracepoint \[0-9\] at.* file .*$srcfile, line.*" \
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"set tracepoint on main"
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gdb_test "break marker" \
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"Breakpoint.*at.* file .*$srcfile, line.*" \
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"breakpoint on marker"
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gdb_test_no_output "tstart"
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gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
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"continue to marker 1"
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# Set a tracepoint during tracing.
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set test "set tracepoint on set_tracepoint"
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gdb_test_multiple "${trace_type} set_tracepoint" $test {
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-re "Target returns error code .* too far .*$gdb_prompt $" {
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if [string equal $trace_type "ftrace"] {
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# The target was unable to install the fast tracepoint
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# (e.g., jump pad too far from tracepoint).
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pass "$test (too far)"
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} else {
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fail $test
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}
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}
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-re "\r\n$gdb_prompt $" {
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pass $test
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}
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}
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gdb_trace_setactions "set action for tracepoint" "" \
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"collect \$$pcreg" "^$"
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# tracepoint has two locations after shlib change-loc-1 is loaded.
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gdb_test "info trace" \
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"Num Type\[ \]+Disp Enb Address\[ \]+What.*
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\[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*4\.1.* in func4.*4\.2.* in func4.*" \
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"tracepoint with two locations"
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set test "continue to marker 2"
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gdb_test_multiple "continue" $test {
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-re "Target returns error code .* too far .*$gdb_prompt $" {
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if [string equal $trace_type "ftrace"] {
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# Expected if the target was unable to install the
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# fast tracepoint (e.g., jump pad too far from
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# tracepoint).
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pass "$test (too far)"
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# Skip the rest of the tests.
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return
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} else {
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fail "continue to marker 2"
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fail $test
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}
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}
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-re ".*Breakpoint.*marker.*at.*$srcfile.*$gdb_prompt $" {
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pass "continue to marker 2"
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}
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}
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# tracepoint has three locations after shlib change-loc-2 is
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# loaded.
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gdb_test "info trace" \
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"Num Type\[ \]+Disp Enb Address\[ \]+What.*
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\[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*4\.1.* in func4.*4\.2.* in func4.*4\.3.* in func4 .*" \
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"tracepoint with three locations"
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gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
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"continue to marker 3"
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# shlib is unloaded, there are still three locations, but one
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# is pending.
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gdb_test "info trace" \
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"Num Type\[ \]+Disp Enb Address\[ \]+What.*
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\[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*
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(4\.\[1-3].* in func4.*\tinstalled on target.*){2}" \
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"tracepoint with two locations - installed (unload)"
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gdb_test "info trace" \
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"Num Type\[ \]+Disp Enb Address\[ \]+What.*
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\[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*
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4\.\[1-3].* \<PENDING\>\[\t \]+set_tracepoint.*" \
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"tracepoint with two locations - pending (unload)"
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gdb_test_no_output "tstop"
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gdb_test "tfind" "Found trace frame 0, tracepoint 4.*" \
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"tfind frame 0"
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gdb_test "tfind" \
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"Target failed to find requested trace frame\\..*"
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}
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}
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# Set pending tracepoint.
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proc tracepoint_change_loc_2 { trace_type } {
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with_test_prefix "2 $trace_type" {
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global srcdir
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global srcfile
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global subdir
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global pcreg
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global binfile
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global gdb_prompt
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_test_multiple "${trace_type} set_tracepoint" "set pending tracepoint" {
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-re ".*Make \(|fast \)tracepoint pending.*y or \\\[n\\\]. $" {
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gdb_test "y" "\(Fast t|T\)racepoint.*set_tracepoint.*pending." "set pending tracepoint"
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}
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}
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gdb_trace_setactions "set action for tracepoint" "" \
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"collect \$$pcreg" "^$"
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# tracepoint has no location information now. Make sure nothing
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# else is displayed.
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gdb_test "info trace" \
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"Num Type\[ \]+Disp Enb Address\[ \]+What.*
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\[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*PENDING.*set_tracepoint\r\n\[\t \]+collect \\$$pcreg\r" \
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"single pending tracepoint info (without symbols)"
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gdb_load ${binfile}
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# tracepoint has one location after executable is loaded.
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gdb_test "info trace" \
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"Num Type\[ \]+Disp Enb Address\[ \]+What.*
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\[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*func4.*" \
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"tracepoint with one location"
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set main_bp 0
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gdb_test_multiple "break -q main" "set breakpoint on main" {
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-re "Breakpoint (\[0-9\]*) at .*, line.*$gdb_prompt $" {
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set main_bp $expect_out(1,string)
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}
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}
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gdb_run_cmd
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gdb_test "" \
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".*Breakpoint.*main.*at.*$srcfile.*" \
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"run to main"
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gdb_test_no_output "delete break $main_bp"
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# tracepoint has two locations after shlib change-loc-1 is loaded.
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gdb_test "info trace" \
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"Num Type\[ \]+Disp Enb Address\[ \]+What.*
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\[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*1\.1.* in func4.*1\.2.* in func4.*" \
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"tracepoint with two locations"
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gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
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"breakpoint on marker"
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# tracepoint with two locations will be downloaded and installed.
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set test "tstart"
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gdb_test_multiple "tstart" $test {
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-re "^tstart\r\n$gdb_prompt $" {
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pass "tstart"
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}
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-re "Target returns error code .* too far .*$gdb_prompt $" {
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if [string equal $trace_type "ftrace"] {
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# The target was unable to install the fast tracepoint
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# (e.g., jump pad too far from tracepoint).
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pass "$test (too far)"
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# Skip the rest of the tests.
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return
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} else {
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fail $test
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}
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}
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}
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gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
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"continue to marker 1"
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gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
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"continue to marker 2"
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# tracepoint has three locations after shlib change-loc-2 is loaded.
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gdb_test "info trace" \
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"Num Type\[ \]+Disp Enb Address\[ \]+What.*
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\[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*1\.1.* in func4.*1\.2.* in func4.*1\.3.* in func4 .*" \
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"tracepoint with three locations"
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gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
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"continue to marker 3"
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# shlib is unloaded, there are still three locations, but one is pending.
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gdb_test "info trace" \
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"Num Type\[ \]+Disp Enb Address\[ \]+What.*
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\[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*
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(1\.\[1-3].* in func4.*\tinstalled on target.*){2}" \
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"tracepoint with two locations - installed (unload)"
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gdb_test "info trace" \
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"Num Type\[ \]+Disp Enb Address\[ \]+What.*
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\[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\<MULTIPLE\>.*
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1\.\[1-3].* \<PENDING\>\[\t \]+set_tracepoint.*" \
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"tracepoint with two locations - pending (unload)"
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gdb_test_no_output "tstop"
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gdb_test "tfind" "Found trace frame 0, tracepoint 1.*" "tfind frame 0"
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gdb_test "tfind" "Found trace frame 1, tracepoint 1.*" "tfind frame 1"
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gdb_test "tfind" "Found trace frame 2, tracepoint 1.*" "tfind frame 2"
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gdb_test "tfind" "Target failed to find requested trace frame\\..*"
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}
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}
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# Test that setting a tracepoint while the trace experiment is ongoing
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# doesn't work when we force-disable the InstallInTrace RSP feature.
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proc tracepoint_install_in_trace_disabled { trace_type } {
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with_test_prefix "InstallInTrace disabled: $trace_type" {
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global testfile
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global srcfile
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global pcreg
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global gdb_prompt
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clean_restart ${testfile}
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if ![runto_main] {
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fail "can't run to main"
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return -1
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}
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# This test only makes sense with the remote target.
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if ![gdb_is_target_remote] {
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return
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}
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gdb_test_no_output "delete break 1"
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# Set a tracepoint we'll never meet. Just to avoid the
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# complain after `tstart' later.
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gdb_test "next" ".*"
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gdb_test "trace main" \
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"Tracepoint \[0-9\] at.* file .*$srcfile, line.*" \
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"set tracepoint on main"
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gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \
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"breakpoint on marker"
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gdb_test_no_output "tstart"
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# Force-disable the InstallInTrace RSP feature.
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gdb_test_no_output "set remote install-in-trace-packet off"
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# Set a tracepoint while a trace experiment is ongoing.
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gdb_test "${trace_type} set_tracepoint" \
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"racepoint .* at .* set_tracepoint.*" \
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"set tracepoint on set_tracepoint"
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gdb_trace_setactions "set action for tracepoint" "" \
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"collect \$$pcreg" "^$"
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# Make sure the tracepoint is _not_ installed on the target.
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gdb_test "info trace" \
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"Num Type\[ \]+Disp Enb Address\[ \]+What.*
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\[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*installed on target.*\<MULTIPLE\>.*4\.1.* in func4.*not installed on target.*4\.2.* in func4.*not installed on target.*" \
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"tracepoint is not installed"
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gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \
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"continue to marker"
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gdb_test_no_output "tstop"
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# Nothing should have been collected.
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gdb_test "tfind" "Target failed to find requested trace frame\\..*"
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}
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}
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tracepoint_change_loc_1 "trace"
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tracepoint_change_loc_2 "trace"
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tracepoint_install_in_trace_disabled "trace"
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# Re-compile test case with IPA.
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set libipa [get_in_proc_agent]
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gdb_load_shlib $libipa
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if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile executable \
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[list debug nowarnings shlib=$libipa shlib=$lib_sl1 shlib_load] ] != "" } {
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untested "failed to compile"
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return -1
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}
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tracepoint_change_loc_1 "ftrace"
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tracepoint_change_loc_2 "ftrace"
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tracepoint_install_in_trace_disabled "ftrace"
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