# 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 . load_lib "trace-support.exp" if {[skip_shlib_tests]} { return 0 } standard_testfile set libfile1 "change-loc-1" set libfile2 "change-loc-2" set executable $testfile set libsrc1 $srcdir/$subdir/$libfile1.c set libsrc2 $srcdir/$subdir/$libfile2.c set lib_sl1 [standard_output_file $libfile1.sl] set lib_sl2 [standard_output_file $libfile2.sl] set lib_opts debug if [get_compiler_info] { return -1 } # Some targets have leading underscores on assembly symbols. set additional_flags [list debug shlib=$lib_sl1 shlib_load [gdb_target_symbol_prefix_flags]] if { [gdb_compile_shlib $libsrc1 $lib_sl1 $lib_opts] != "" || [gdb_compile_shlib $libsrc2 $lib_sl2 $lib_opts] != "" || [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $additional_flags] != ""} { untested "Could not compile either $libsrc1 or $srcdir/$subdir/$srcfile." return -1 } clean_restart $executable gdb_load_shlibs $lib_sl1 gdb_load_shlibs $lib_sl2 if ![runto_main] { fail "Can't run to main to check for trace support" return -1 } if { ![gdb_target_supports_trace] } then { unsupported "Current target does not support trace" return -1 } # Set tracepoint during tracing experiment. proc tracepoint_change_loc_1 { trace_type } { with_test_prefix "1 $trace_type" { global testfile global srcfile global pcreg global gdb_prompt clean_restart ${testfile} if ![runto_main] { fail "Can't run to main" return -1 } gdb_test_no_output "delete break 1" # Set a tracepoint we'll never meet. Just to avoid the # complain after type `tstart' later. gdb_test "next" ".*" gdb_test "trace main" \ "Tracepoint \[0-9\] at.* file .*$srcfile, line.*" \ "set tracepoint on main" gdb_test "break marker" \ "Breakpoint.*at.* file .*$srcfile, line.*" \ "breakpoint on marker" gdb_test_no_output "tstart" gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \ "continue to marker 1" # Set a tracepoint during tracing. set test "set tracepoint on set_tracepoint" gdb_test_multiple "${trace_type} set_tracepoint" $test { -re "Target returns error code .* too far .*$gdb_prompt $" { if [string equal $trace_type "ftrace"] { # The target was unable to install the fast tracepoint # (e.g., jump pad too far from tracepoint). pass "$test (too far)" } else { fail $test } } -re "\r\n$gdb_prompt $" { pass $test } } gdb_trace_setactions "set action for tracepoint" "" \ "collect \$$pcreg" "^$" # tracepoint has two locations after shlib change-loc-1 is loaded. gdb_test "info trace" \ "Num Type\[ \]+Disp Enb Address\[ \]+What.* \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\.*4\.1.* in func4.*4\.2.* in func4.*" \ "tracepoint with two locations" set test "continue to marker 2" gdb_test_multiple "continue" $test { -re "Target returns error code .* too far .*$gdb_prompt $" { if [string equal $trace_type "ftrace"] { # Expected if the target was unable to install the # fast tracepoint (e.g., jump pad too far from # tracepoint). pass "$test (too far)" # Skip the rest of the tests. return } else { fail "continue to marker 2" fail $test } } -re ".*Breakpoint.*marker.*at.*$srcfile.*$gdb_prompt $" { pass "continue to marker 2" } } # tracepoint has three locations after shlib change-loc-2 is # loaded. gdb_test "info trace" \ "Num Type\[ \]+Disp Enb Address\[ \]+What.* \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\.*4\.1.* in func4.*4\.2.* in func4.*4\.3.* in func4 .*" \ "tracepoint with three locations" gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \ "continue to marker 3" # shlib is unloaded, there are still three locations, but one # is pending. gdb_test "info trace" \ "Num Type\[ \]+Disp Enb Address\[ \]+What.* \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\.* 4\.1.* in func4.*\tinstalled on target\r\n(4\.2.* in func4.*\tinstalled on target\r\n4\.3.* \\[\t \]+set_tracepoint|4\.2.* \\[\t \]+set_tracepoint.*4\.3.* in func4.*\tinstalled on target).*" \ "tracepoint with two locations (unload)" gdb_test_no_output "tstop" gdb_test "tfind" "Found trace frame 0, tracepoint 4.*" \ "tfind frame 0" gdb_test "tfind" \ "Target failed to find requested trace frame\\..*" } } # Set pending tracepoint. proc tracepoint_change_loc_2 { trace_type } { with_test_prefix "2 $trace_type" { global srcdir global srcfile global subdir global pcreg global binfile global gdb_prompt gdb_exit gdb_start gdb_reinitialize_dir $srcdir/$subdir gdb_test_multiple "${trace_type} set_tracepoint" "set pending tracepoint" { -re ".*Make \(|fast \)tracepoint pending.*y or \\\[n\\\]. $" { gdb_test "y" "\(Fast t|T\)racepoint.*set_tracepoint.*pending." "set pending tracepoint" } } gdb_trace_setactions "set action for tracepoint" "" \ "collect \$$pcreg" "^$" # tracepoint has no location information now. Make sure nothing # else is displayed. gdb_test "info trace" \ "Num Type\[ \]+Disp Enb Address\[ \]+What.* \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*PENDING.*set_tracepoint\r\n\[\t \]+collect \\$$pcreg\r" \ "single pending tracepoint info (without symbols)" gdb_load ${binfile} # tracepoint has one location after executable is loaded. gdb_test "info trace" \ "Num Type\[ \]+Disp Enb Address\[ \]+What.* \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*func4.*" \ "tracepoint with one location" set main_bp 0 gdb_test_multiple "break main" "set breakpoint on main" { -re "Breakpoint (\[0-9\]*) at .*, line.*$gdb_prompt $" { set main_bp $expect_out(1,string) } } gdb_run_cmd gdb_test "" \ ".*Breakpoint.*main.*at.*$srcfile.*" \ "run to main" gdb_test_no_output "delete break $main_bp" # tracepoint has two locations after shlib change-loc-1 is loaded. gdb_test "info trace" \ "Num Type\[ \]+Disp Enb Address\[ \]+What.* \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\.*1\.1.* in func4.*1\.2.* in func4.*" \ "tracepoint with two locations" gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \ "breakpoint on marker" # tracepoint with two locations will be downloaded and installed. set test "tstart" gdb_test_multiple "tstart" $test { -re "^tstart\r\n$gdb_prompt $" { pass "tstart" } -re "Target returns error code .* too far .*$gdb_prompt $" { if [string equal $trace_type "ftrace"] { # The target was unable to install the fast tracepoint # (e.g., jump pad too far from tracepoint). pass "$test (too far)" # Skip the rest of the tests. return } else { fail $test } } } gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \ "continue to marker 1" gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \ "continue to marker 2" # tracepoint has three locations after shlib change-loc-2 is loaded. gdb_test "info trace" \ "Num Type\[ \]+Disp Enb Address\[ \]+What.* \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\.*1\.1.* in func4.*1\.2.* in func4.*1\.3.* in func4 .*" \ "tracepoint with three locations" gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \ "continue to marker 3" # shlib is unloaded, there are still three locations, but one is pending. gdb_test "info trace" \ "Num Type\[ \]+Disp Enb Address\[ \]+What.* \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*\.* 1\.1.* in func4.*\tinstalled on target\r\n(1\.2.* in func4.*\tinstalled on target\r\n1\.3.* \\[\t \]+set_tracepoint|1\.2.* \\[\t \]+set_tracepoint\r\n1\.3.* in func4.*\tinstalled on target).*" \ "tracepoint with two locations (unload)" gdb_test_no_output "tstop" gdb_test "tfind" "Found trace frame 0, tracepoint 1.*" "tfind frame 0" gdb_test "tfind" "Found trace frame 1, tracepoint 1.*" "tfind frame 1" gdb_test "tfind" "Found trace frame 2, tracepoint 1.*" "tfind frame 2" gdb_test "tfind" "Target failed to find requested trace frame\\..*" } } # Test that setting a tracepoint while the trace experiment is ongoing # doesn't work when we force-disable the InstallInTrace RSP feature. proc tracepoint_install_in_trace_disabled { trace_type } { with_test_prefix "InstallInTrace disabled: $trace_type" { global testfile global srcfile global pcreg global gdb_prompt clean_restart ${testfile} if ![runto_main] { fail "Can't run to main" return -1 } # This test only makes sense with the remote target. if ![gdb_is_target_remote] { return } gdb_test_no_output "delete break 1" # Set a tracepoint we'll never meet. Just to avoid the # complain after `tstart' later. gdb_test "next" ".*" gdb_test "trace main" \ "Tracepoint \[0-9\] at.* file .*$srcfile, line.*" \ "set tracepoint on main" gdb_test "break marker" "Breakpoint.*at.* file .*$srcfile, line.*" \ "breakpoint on marker" gdb_test_no_output "tstart" # Force-disable the InstallInTrace RSP feature. gdb_test_no_output "set remote install-in-trace-packet off" # Set a tracepoint while a trace experiment is ongoing. gdb_test "${trace_type} set_tracepoint" \ "racepoint .* at .* set_tracepoint.*" \ "set tracepoint on set_tracepoint" gdb_trace_setactions "set action for tracepoint" "" \ "collect \$$pcreg" "^$" # Make sure the tracepoint is _not_ installed on the target. gdb_test "info trace" \ "Num Type\[ \]+Disp Enb Address\[ \]+What.* \[0-9\]+\[\t \]+\(|fast \)tracepoint\[ \]+keep y.*installed on target.*\.*4\.1.* in func4.*not installed on target.*4\.2.* in func4.*not installed on target.*" \ "tracepoint is not installed" gdb_test "continue" ".*Breakpoint.*marker.*at.*$srcfile.*" \ "continue to marker" gdb_test_no_output "tstop" # Nothing should have been collected. gdb_test "tfind" "Target failed to find requested trace frame\\..*" } } tracepoint_change_loc_1 "trace" tracepoint_change_loc_2 "trace" tracepoint_install_in_trace_disabled "trace" # Re-compile test case with IPA. set libipa [get_in_proc_agent] gdb_load_shlibs $libipa if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile executable \ [list debug nowarnings shlib=$libipa shlib=$lib_sl1 shlib_load] ] != "" } { untested change-loc.exp return -1 } tracepoint_change_loc_1 "ftrace" tracepoint_change_loc_2 "ftrace" tracepoint_install_in_trace_disabled "ftrace"