| # Copyright 2011-2024 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" |
| |
| require allow_shlib_tests |
| |
| standard_testfile |
| set executable $testfile |
| |
| require allow_in_proc_agent |
| set libipa [get_in_proc_agent] |
| |
| set lib_opts debug |
| |
| set additional_flags [list quiet debug shlib=$libipa shlib_load \ |
| "additional_flags=-lust -lurcu-bp" ] |
| |
| if { [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $additional_flags] != ""} { |
| untested "UST library or headers are not installed" |
| return -1 |
| } |
| |
| # Test that the socket file is removed when GDB quits, detaches or |
| # resumes the inferior until it exits. |
| |
| proc strace_remove_socket { action } { |
| with_test_prefix "remove_socket_after_${action}" { |
| |
| global executable |
| global gdb_prompt |
| global libipa |
| |
| # Restart with a fresh gdb. |
| clean_restart $executable |
| gdb_load_shlib $libipa |
| if ![runto_main] { |
| return -1 |
| } |
| |
| # List the markers in program. |
| gdb_test "info static-tracepoint-markers" \ |
| ".*ust/bar\[\t \]+n\[\t \]+.*ust/bar2\[\t \]+n\[\t \]+.*" |
| |
| set pid "" |
| set test "collect pid" |
| gdb_test_multiple "info inferiors" $test { |
| -re "process (\[-0-9a-fx\]+) \[^\n\]*\n.*${gdb_prompt} $" { |
| set pid $expect_out(1,string) |
| pass $test |
| } |
| -re ".*${gdb_prompt} $" { |
| fail $test |
| } |
| } |
| |
| set test "socket file exists" |
| set socket_file "/tmp/gdb_ust${pid}" |
| set status [remote_exec target "sh -c { \[ -S $socket_file \] }"] |
| |
| if { [lindex $status 0] == 0 } { |
| pass $test |
| } else { |
| fail $test |
| } |
| |
| send_gdb "${action}\n" |
| gdb_expect { |
| -re "A debugging session is active.\r\n.*\r\nQuit anyway\\? \\(y or n\\) $" { |
| send_gdb "y\n" |
| } |
| -re "Detaching .*, process .*$" { |
| } |
| -re "Continuing.*$" { |
| } |
| } |
| |
| set exists 1 |
| |
| for {set i 1} {$i <= 5} {incr i} { |
| set status [remote_exec target "sh -c { \[ -S $socket_file \] }"] |
| if { [lindex $status 0] != 0 } { |
| set exists 0 |
| break |
| } |
| sleep 1 |
| } |
| |
| if { ![is_remote target] && ![string equal $action "detach"] } { |
| setup_kfail gdb/14161 *-*-* |
| } |
| |
| set test "socket file removed" |
| |
| if { $exists } { |
| fail $test |
| # Since $socket_file is a socket file instead of a regular file, we |
| # can't use 'remote_file target delete $socket_file' here. |
| remote_exec target "sh -c \"rm -r $socket_file\"" |
| } else { |
| pass $test |
| } |
| |
| if { [string equal $action "quit"] && [is_remote host] } { |
| global gdb_spawn_id |
| # unset gdb_spawn_id here to avoid sending command 'quit' to GDB |
| # later in default_gdb_exit. |
| unset gdb_spawn_id |
| } |
| }} |
| |
| proc strace_info_marker { } { |
| with_test_prefix "info_marker" { |
| global executable |
| global gdb_prompt |
| global libipa |
| global tdlabel_re |
| |
| # Restart with a fresh gdb. |
| clean_restart $executable |
| gdb_load_shlib $libipa |
| if ![runto_main] { |
| return -1 |
| } |
| |
| # List the markers in program. They should be disabled. |
| gdb_test "info static-tracepoint-markers" \ |
| ".*ust/bar\[\t \]+n\[\t \]+.*ust/bar2\[\t \]+n\[\t \]+.*" |
| |
| # List all the thread. It is expected to get three threads without |
| # any errors. |
| gdb_test_multiple "info threads 3 2 1" "info threads" { |
| -re "3\[ \t\]+${tdlabel_re} .*2\[ \t\]+${tdlabel_re} .*1\[ \t\]+${tdlabel_re} .*${gdb_prompt} $" { |
| pass "info threads" |
| } |
| } |
| |
| # GDB detaches inferior so that the socket file can be removed. |
| gdb_test_multiple "detach" "detach" { |
| -re "Detaching .*, process .*${gdb_prompt} $" { |
| pass "detach" |
| } |
| } |
| } |
| } |
| |
| proc strace_probe_marker { } { |
| with_test_prefix "probe_marker" { |
| global executable |
| global expect_out |
| global gdb_prompt |
| global hex |
| global libipa |
| |
| # Restart with a fresh gdb. |
| clean_restart $executable |
| gdb_load_shlib $libipa |
| if ![runto_main] { |
| return -1 |
| } |
| |
| gdb_test "strace -m ust/bar" \ |
| "Static tracepoint \[0-9\]+ at ${hex}: file.*" |
| gdb_test "strace -m ust/bar2" \ |
| "Static tracepoint \[0-9\]+ at ${hex}: file.*" |
| # Two trace markers should be enabled. |
| gdb_test "info static-tracepoint-markers" \ |
| "ust/bar\[\t \]+y\[\t \]+$hex .*ust/bar2\[\t \]+y\[\t \]+$hex.*" |
| |
| gdb_breakpoint "end" qualified |
| |
| gdb_test_no_output "tstart" |
| gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" \ |
| "continue to end" |
| gdb_test_no_output "tstop" |
| |
| gdb_test "tfind" "Found trace frame 0, tracepoint .*" \ |
| "tfind frame 0" |
| gdb_test "tfind" "Found trace frame 1, tracepoint .*" \ |
| "tfind frame 1" |
| gdb_test "tfind" \ |
| "Target failed to find requested trace frame\\..*" |
| } |
| } |
| |
| proc strace_trace_on_same_addr { type } { |
| with_test_prefix "trace_same_addr $type" { |
| global executable |
| global expect_out |
| global gdb_prompt |
| global hex |
| global libipa |
| |
| # Restart with a fresh gdb. |
| clean_restart $executable |
| gdb_load_shlib $libipa |
| if ![runto_main] { |
| return -1 |
| } |
| |
| set marker_bar_addr "" |
| set marker_bar2_addr "" |
| |
| # List the markers in program. They should be disabled. |
| gdb_test_multiple "info static-tracepoint-markers" "info static-tracepoint-markers 1" { |
| -re ".*ust/bar\[\t \]+n.*${gdb_prompt} $" { |
| set ignore "" |
| |
| regexp "ust/bar\[\t \]+n\[\t \]+($hex) .*ust/bar2\[\t \]+n\[\t \]+($hex) " \ |
| "$expect_out(0,string)" ignore marker_bar_addr marker_bar2_addr |
| |
| pass "info static-tracepoint-markers 1" |
| } |
| -re ".*${gdb_prompt} $" { |
| fail "info static-tracepoint-markers 1" |
| } |
| } |
| |
| gdb_test "strace -m ust/bar" "Static tracepoint \[0-9\]+ at ${hex}: file.*" |
| gdb_test "strace -m ust/bar2" "Static tracepoint \[0-9\]+ at ${hex}: file.*" |
| # Two trace markers should be enabled. |
| gdb_test "info static-tracepoint-markers" \ |
| "ust/bar\[\t \]+y\[\t \]+$hex .*ust/bar2\[\t \]+y\[\t \]+$hex.*" \ |
| "info static-tracepoint-markers 2" |
| |
| # Set breakpoints or tracepoints. |
| set test "${type} on marker bar" |
| gdb_test_multiple "${type} *${marker_bar_addr}" $test { |
| -re "\(Fast trace|Trace|Break\)point \[0-9\]+ at ${hex}: file.*\r\n$gdb_prompt $" { |
| pass $test |
| } |
| -re ".*\r\n$gdb_prompt $" { |
| if [string equal $type "ftrace"] { |
| # The instruction may be not long enough to set a fast |
| # tracepoint. Skip the rest of this test. |
| return -1 |
| } else { |
| fail $test |
| } |
| } |
| } |
| set test "${type} on marker bar2" |
| gdb_test_multiple "${type} *${marker_bar2_addr}" $test { |
| -re "\(Fast trace|Trace|Break\)point \[0-9\]+ at ${hex}: file.*" { |
| pass $test |
| } |
| -re ".*\r\n$gdb_prompt $" { |
| if [string equal $type "ftrace"] { |
| # The instruction may be not long enough to set a fast |
| # tracepoint. Skip the rest of this test. |
| return -1 |
| } else { |
| fail $test |
| } |
| } |
| } |
| |
| gdb_breakpoint "end" qualified |
| |
| if [string equal $type "break"] { |
| gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" \ |
| "continue to bar" |
| gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" \ |
| "continue to bar2" |
| gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" \ |
| "continue to end" |
| } else { |
| |
| gdb_test_no_output "tstart" |
| gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" \ |
| "continue to end" |
| gdb_test_no_output "tstop" |
| |
| gdb_test "tfind" "Found trace frame 0, tracepoint .*" \ |
| "tfind frame 0" |
| gdb_test "tfind" "Found trace frame 1, tracepoint .*" \ |
| "tfind frame 1" |
| gdb_test "tfind" "Found trace frame 2, tracepoint .*" \ |
| "tfind frame 2" |
| gdb_test "tfind" "Found trace frame 3, tracepoint .*" \ |
| "tfind frame 3" |
| gdb_test "tfind" \ |
| "Target failed to find requested trace frame\\..*" |
| } |
| } |
| } |
| |
| proc strace_trace_on_diff_addr { } { |
| with_test_prefix "trace_diff_addr" { |
| |
| global executable |
| global expect_out |
| global gdb_prompt |
| global hex |
| global libipa |
| |
| # Restart with a fresh gdb. |
| clean_restart $executable |
| gdb_load_shlib $libipa |
| if ![runto_main] { |
| return -1 |
| } |
| |
| set marker_bar_addr "" |
| set marker_bar2_addr "" |
| |
| # List the markers in program. They should be disabled. |
| gdb_test_multiple "info static-tracepoint-markers" "info static-tracepoint-markers 1" { |
| -re ".*ust/bar\[\t \]+n.*${gdb_prompt} $" { |
| set ignore "" |
| |
| regexp "ust/bar\[\t \]+n\[\t \]+($hex) .*ust/bar2\[\t \]+n\[\t \]+($hex) " \ |
| "$expect_out(0,string)" ignore marker_bar_addr marker_bar2_addr |
| |
| pass "info static-tracepoint-markers 1" |
| } |
| -re ".*${gdb_prompt} $" { |
| fail "info static-tracepoint-markers 1" |
| } |
| } |
| |
| gdb_test "strace -m ust/bar" "Static tracepoint \[0-9\]+ at ${hex}: file.*" |
| |
| gdb_test "info static-tracepoint-markers" \ |
| "ust/bar\[\t \]+y\[\t \]+$hex .*ust/bar2\[\t \]+n\[\t \]+$hex.*" \ |
| "info static-tracepoint-markers 2" |
| |
| |
| # Set common tracepoint. |
| gdb_test "trace *${marker_bar2_addr}" \ |
| "Tracepoint \[0-9\]+ at ${hex}: file.*" |
| |
| gdb_breakpoint "end" qualified |
| |
| gdb_test_no_output "tstart" |
| gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" \ |
| "continue to end" |
| gdb_test_no_output "tstop" |
| |
| gdb_test "tfind" "Found trace frame 0, tracepoint .*" \ |
| "tfind frame 0" |
| gdb_test "tfind" "Found trace frame 1, tracepoint .*" \ |
| "tfind frame 1" |
| gdb_test "tfind" \ |
| "Target failed to find requested trace frame\\..*" |
| } |
| } |
| |
| # Run it on x86/x86_64 linux. |
| if { [istarget "x86_64-*-linux*"] || [istarget "i\[34567\]86-*-linux*"] } { |
| strace_info_marker |
| strace_remove_socket "quit" |
| strace_remove_socket "detach" |
| strace_remove_socket "continue" |
| } |
| |
| clean_restart $executable |
| gdb_load_shlib $libipa |
| if ![runto_main] { |
| return -1 |
| } |
| if {![gdb_target_supports_trace]} { |
| # At this point, the socket file has been created. We must make sure it is |
| # removed when we return here. GDB detaches inferior so that the socket |
| # file can be removed. Note that GDB simply kill inferior doesn't remove |
| # the socket file. |
| gdb_test "detach" "Detaching .*, process .*" |
| unsupported "current target does not support trace" |
| return -1 |
| } |
| |
| # Double-check that marker ID ("-m") is not mistaken for an explicit location |
| # flag. |
| gdb_test "strace -m gdbfoobarbaz" \ |
| "No known static tracepoint marker named gdbfoobarbaz" |
| |
| strace_probe_marker |
| |
| strace_trace_on_same_addr "trace" |
| strace_trace_on_same_addr "ftrace" |
| strace_trace_on_same_addr "break" |
| strace_trace_on_diff_addr |
