| # Copyright 2014-2021 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/>. |
| |
| # This testcase is for PR breakpoints/16889 |
| |
| standard_testfile ".S" |
| |
| if { ![istarget "x86_64-*-*"] || ![is_lp64_target] } { |
| verbose "Skipping $testfile.exp" |
| return |
| } |
| |
| if { [prepare_for_testing "failed to prepare" $testfile $srcfile] } { |
| return -1 |
| } |
| |
| # Helper procedure to go to probe NAME |
| |
| proc goto_probe { name } { |
| global decimal hex |
| |
| gdb_test "break -pstap $name" "Breakpoint $decimal at $hex" |
| gdb_test "continue" "Breakpoint $decimal, main \\(\\) at .*\r\n.*STAP_PROBE1.*${name},.*\\)" |
| } |
| |
| # Helper procedure to test the probe's argument |
| |
| proc test_probe_value { value reg_val } { |
| gdb_test "print \$_probe_argc" "= 1" |
| gdb_test "print \$_probe_arg0" "= $value" |
| gdb_test "print \$_probe_arg0 == *((unsigned int *) (${reg_val}))" "= 1" |
| } |
| |
| proc test_probe_value_without_reg { value } { |
| gdb_test "print \$_probe_argc" "= 1" |
| gdb_test "print \$_probe_arg0" "= $value" |
| } |
| |
| if { ![runto_main] } { |
| return -1 |
| } |
| |
| foreach probe_name [list "foo" "bar" "foo_prefix" "bar_prefix"] \ |
| probe_val [list "42" "42" "42" "42"] \ |
| probe_reg_val [list "\$rsp" "\$rbp - 8" "\$rsp" "\$rbp - 8"] { |
| with_test_prefix $probe_name { |
| goto_probe $probe_name |
| test_probe_value $probe_val $probe_reg_val |
| } |
| } |
| |
| # Testing normal probes, with several prefixes. |
| |
| set normal_probes_names { } |
| |
| foreach bit [list 8 16 32 64] { |
| lappend normal_probes_names "uint${bit}_probe" |
| lappend normal_probes_names "int${bit}_probe" |
| } |
| |
| foreach probe_name $normal_probes_names \ |
| probe_val [list 8 -8 16 -16 32 -32 64 -64] { |
| with_test_prefix $probe_name { |
| goto_probe $probe_name |
| test_probe_value_without_reg $probe_val |
| } |
| } |
| |
| # Testing the fail probes. |
| |
| with_test_prefix "fail_probe" { |
| goto_probe "fail_probe" |
| gdb_test "print \$_probe_arg0" "warning: unrecognized bitness `-7' for probe `fail_probe'\r\nInvalid probe argument 0 -- probe has 0 arguments available" |
| } |
| |
| with_test_prefix "fail2_probe" { |
| goto_probe "fail2_probe" |
| gdb_test "print \$_probe_arg0" "Unknown numeric token on expression `23-@\\\$16'." |
| } |