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# Copyright 2014-2019 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'."
}
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