1 # Copyright 2014-2019 Free Software Foundation, Inc.
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 3 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program. If not, see <http://www.gnu.org/licenses/>.
16 # This testcase is for PR breakpoints/16889
18 standard_testfile ".S"
20 if { ![istarget "x86_64-*-*"] || ![is_lp64_target] } {
21 verbose "Skipping $testfile.exp"
25 if { [prepare_for_testing "failed to prepare" $testfile $srcfile] } {
29 # Helper procedure to go to probe NAME
31 proc goto_probe { name } {
34 gdb_test "break -pstap $name" "Breakpoint $decimal at $hex"
35 gdb_test "continue" "Breakpoint $decimal, main \\(\\) at .*\r\n.*STAP_PROBE1.*${name},.*\\)"
38 # Helper procedure to test the probe's argument
40 proc test_probe_value { value reg_val } {
41 gdb_test "print \$_probe_argc" "= 1"
42 gdb_test "print \$_probe_arg0" "= $value"
43 gdb_test "print \$_probe_arg0 == *((unsigned int *) (${reg_val}))" "= 1"
46 proc test_probe_value_without_reg { value } {
47 gdb_test "print \$_probe_argc" "= 1"
48 gdb_test "print \$_probe_arg0" "= $value"
51 if { ![runto_main] } {
55 foreach probe_name [list "foo" "bar" "foo_prefix" "bar_prefix"] \
56 probe_val [list "42" "42" "42" "42"] \
57 probe_reg_val [list "\$rsp" "\$rbp - 8" "\$rsp" "\$rbp - 8"] {
58 with_test_prefix $probe_name {
59 goto_probe $probe_name
60 test_probe_value $probe_val $probe_reg_val
64 # Testing normal probes, with several prefixes.
66 set normal_probes_names { }
68 foreach bit [list 8 16 32 64] {
69 lappend normal_probes_names "uint${bit}_probe"
70 lappend normal_probes_names "int${bit}_probe"
73 foreach probe_name $normal_probes_names \
74 probe_val [list 8 -8 16 -16 32 -32 64 -64] {
75 with_test_prefix $probe_name {
76 goto_probe $probe_name
77 test_probe_value_without_reg $probe_val
81 # Testing the fail probes.
83 with_test_prefix "fail_probe" {
84 goto_probe "fail_probe"
85 gdb_test "print \$_probe_arg0" "warning: unrecognized bitness `-7' for probe `fail_probe'\r\nInvalid probe argument 0 -- probe has 0 arguments available"
88 with_test_prefix "fail2_probe" {
89 goto_probe "fail2_probe"
90 gdb_test "print \$_probe_arg0" "Unknown numeric token on expression `23-@\\\$16'."