91 lines
2.7 KiB
Text
91 lines
2.7 KiB
Text
# Copyright 2014-2015 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# This testcase is for PR breakpoints/16889
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standard_testfile ".S"
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if { ![istarget "x86_64-*-*"] || ![is_lp64_target] } {
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verbose "Skipping $testfile.exp"
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return
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}
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if { [prepare_for_testing "failed to prepare" $testfile $srcfile] } {
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return -1
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}
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# Helper procedure to go to probe NAME
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proc goto_probe { name } {
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global decimal hex
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gdb_test "break -pstap $name" "Breakpoint $decimal at $hex"
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gdb_test "continue" "Breakpoint $decimal, main \\(\\) at .*\r\n.*STAP_PROBE1.*${name},.*\\)"
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}
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# Helper procedure to test the probe's argument
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proc test_probe_value { value reg_val } {
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gdb_test "print \$_probe_argc" "= 1"
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gdb_test "print \$_probe_arg0" "= $value"
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gdb_test "print \$_probe_arg0 == *((unsigned int *) (${reg_val}))" "= 1"
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}
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proc test_probe_value_without_reg { value } {
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gdb_test "print \$_probe_argc" "= 1"
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gdb_test "print \$_probe_arg0" "= $value"
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}
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if { ![runto_main] } {
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return -1
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}
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foreach probe_name [list "foo" "bar" "foo_prefix" "bar_prefix"] \
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probe_val [list "42" "42" "42" "42"] \
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probe_reg_val [list "\$rsp" "\$rbp - 8" "\$rsp" "\$rbp - 8"] {
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with_test_prefix $probe_name {
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goto_probe $probe_name
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test_probe_value $probe_val $probe_reg_val
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}
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}
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# Testing normal probes, with several prefixes.
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set normal_probes_names { }
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foreach bit [list 8 16 32 64] {
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lappend normal_probes_names "uint${bit}_probe"
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lappend normal_probes_names "int${bit}_probe"
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}
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foreach probe_name $normal_probes_names \
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probe_val [list 8 -8 16 -16 32 -32 64 -64] {
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with_test_prefix $probe_name {
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goto_probe $probe_name
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test_probe_value_without_reg $probe_val
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}
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}
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# Testing the fail probes.
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with_test_prefix "fail_probe" {
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goto_probe "fail_probe"
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gdb_test "print \$_probe_arg0" "warning: unrecognized bitness `-7' for probe `fail_probe'\r\nInvalid probe argument 0 -- probe has 0 arguments available"
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}
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with_test_prefix "fail2_probe" {
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goto_probe "fail2_probe"
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gdb_test "print \$_probe_arg0" "Unknown numeric token on expression `23-@\\\$16'."
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}
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