| # 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 |
| set executable $testfile |
| set expfile $testfile.exp |
| |
| # Some targets have leading underscores on assembly symbols. |
| set additional_flags [gdb_target_symbol_prefix_flags] |
| |
| if [prepare_for_testing $expfile $executable $srcfile \ |
| [list debug $additional_flags]] { |
| 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 libipa [get_in_proc_agent] |
| gdb_load_shlibs $libipa |
| |
| # Can't use prepare_for_testing, because that splits compiling into |
| # building objects and then linking, and we'd fail with "linker input |
| # file unused because linking not done" when building the object. |
| |
| if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \ |
| executable [list debug $additional_flags shlib=$libipa] ] != "" } { |
| untested "failed to compile ftrace tests" |
| return -1 |
| } |
| |
| clean_restart ${executable} |
| |
| if ![runto_main] { |
| fail "Can't run to main for ftrace tests" |
| return 0 |
| } |
| |
| if { [gdb_test "info sharedlibrary" ".*${libipa}.*" "IPA loaded"] != 0 } { |
| untested "Could not find IPA lib loaded" |
| return 1 |
| } |
| |
| proc test_tracepoints { trace_command condition num_frames { kfail_proc 0 } } { |
| global executable gdb_prompt |
| |
| clean_restart ${executable} |
| |
| if ![runto_main] { |
| fail "Can't run to main for ftrace tests" |
| return 0 |
| } |
| |
| gdb_test "break begin" ".*" "" |
| |
| gdb_test "break end" ".*" "" |
| |
| with_test_prefix "${trace_command}: ${condition}" { |
| |
| gdb_test "${trace_command} set_point if ${condition}" \ |
| "\(Fast t|T\)racepoint .*" \ |
| "set tracepoint" |
| |
| gdb_test "continue" ".*Breakpoint \[0-9\]+, begin .*" \ |
| "advance to trace begin" |
| |
| gdb_test_no_output "tstart" "start trace experiment" |
| |
| gdb_test_multiple "continue" "advance through tracing" { |
| -re ".*Breakpoint \[0-9\]+, end .*$gdb_prompt $" { |
| pass "advance through tracing" |
| } |
| -re "Program received signal SIGSEGV, Segmentation fault\\..*$gdb_prompt $" { |
| if { $kfail_proc != 0 } { |
| $kfail_proc $trace_command |
| } |
| fail "advance through tracing" |
| } |
| } |
| |
| if { $kfail_proc != 0 } { |
| $kfail_proc $trace_command |
| } |
| gdb_test "tstatus" \ |
| ".*Trace .*Collected $num_frames .*" \ |
| "check $num_frames frames were collected." |
| |
| gdb_test "tstop" "" "" |
| } |
| } |
| |
| # These callbacks identify known failures for certain architectures. They |
| # are called either if GDBserver crashes or has not traced the correct |
| # number of frames. |
| |
| proc 18955_x86_64_failure { trace_command } { |
| if { $trace_command == "ftrace" } { |
| setup_kfail "gdb/18955" "x86_64-*-linux*" |
| } |
| } |
| |
| proc 18955_i386_failure { trace_command } { |
| if { $trace_command == "ftrace" } { |
| setup_kfail "gdb/18955" "i\[34567\]86-*-*" |
| } |
| } |
| |
| foreach trace_command { "trace" "ftrace" } { |
| # This condition is always true as the PC should be set to the tracepoint |
| # address when hit. |
| test_tracepoints $trace_command "\$$pcreg == *set_point" 10 |
| |
| # Can we read local variables? |
| test_tracepoints $trace_command "anarg == 100 || anarg == 200" 2 18955_x86_64_failure |
| # Can we read global variables? |
| test_tracepoints $trace_command "anarg == 100 && globvar == 1" 1 18955_x86_64_failure |
| |
| # Test various operations to cover as many opcodes as possible. |
| test_tracepoints $trace_command "21 + 21 == 42" 10 |
| test_tracepoints $trace_command "21 - 21 == 0" 10 |
| test_tracepoints $trace_command "21 * 2 == 42" 10 |
| test_tracepoints $trace_command "21 << 1 == 42" 10 |
| test_tracepoints $trace_command "42 >> 1 == 21" 10 |
| test_tracepoints $trace_command "-(21 << 1) == -42" 10 |
| test_tracepoints $trace_command "-42 >> 1 == -21" 10 |
| test_tracepoints $trace_command "(0xabababab & 0x0000ffff) == 0xabab" 10 |
| test_tracepoints $trace_command "(0xabababab | 0x0000ffff) == 0xababffff" 10 |
| test_tracepoints $trace_command "(0xaaaaaaaa ^ 0x55555555) == 0xffffffff" 10 |
| test_tracepoints $trace_command "~0xaaaaaaaa == 0x55555555" 10 |
| test_tracepoints $trace_command "21 < 42" 10 |
| test_tracepoints $trace_command "42 <= 42" 10 |
| test_tracepoints $trace_command "42 >= 42" 10 |
| test_tracepoints $trace_command "42 > 21" 10 |
| test_tracepoints $trace_command "(21 < 42 ? 0 : 1) == 0" 10 18955_i386_failure |
| test_tracepoints $trace_command "(42 <= 42 ? 0 : 1) == 0" 10 |
| test_tracepoints $trace_command "(42 >= 42 ? 0 : 1) == 0" 10 |
| test_tracepoints $trace_command "(42 > 21 ? 0 : 1) == 0" 10 18955_i386_failure |
| test_tracepoints $trace_command "\$trace_timestamp >= 0" 10 |
| } |