184 lines
5.5 KiB
Plaintext
184 lines
5.5 KiB
Plaintext
# Copyright (C) 2012 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/>.
|
|
|
|
set testfile stap-probe
|
|
|
|
# Run the tests. We run the tests two different ways: once with a
|
|
# plain probe, and once with a probe that has an associated semaphore.
|
|
# This returns -1 on failure to compile or start, 0 otherwise.
|
|
proc stap_test {exec_name {arg ""}} {
|
|
global testfile hex
|
|
|
|
if {[prepare_for_testing ${testfile}.exp ${exec_name} ${testfile}.c \
|
|
[concat $arg debug]]} {
|
|
return -1
|
|
}
|
|
|
|
if ![runto_main] {
|
|
return -1
|
|
}
|
|
|
|
gdb_test "print \$_probe_argc" "No SystemTap probe at PC $hex" \
|
|
"check argument not at probe point"
|
|
|
|
gdb_test "info probes stap" \
|
|
"test *user *$hex .*" \
|
|
"info probes stap"
|
|
|
|
if {[runto "-pstap test:user"]} {
|
|
pass "run to -pstap test:user"
|
|
} else {
|
|
fail "run to -pstap test:user"
|
|
}
|
|
|
|
# Test probe arguments.
|
|
gdb_test "print \$_probe_argc" " = 1" \
|
|
"print \$_probe_argc for probe user"
|
|
gdb_test "print \$_probe_arg0 == x" " = 1" \
|
|
"check \$_probe_arg0 for probe user"
|
|
gdb_test "print \$_probe_arg1" \
|
|
"Invalid probe argument 1 -- probe has 1 arguments available" \
|
|
"check \$_probe_arg1 for probe user"
|
|
|
|
# Set a breakpoint with multiple probe locations.
|
|
gdb_test "break -pstap test:two" \
|
|
"Breakpoint \[0-9\]+ at $hex.*2 locations.*" \
|
|
"set multi-location probe breakpoint (probe two)"
|
|
|
|
# Reinit GDB, set a breakpoint on probe m4.
|
|
delete_breakpoints
|
|
rerun_to_main
|
|
if {[runto "-pstap test:m4"]} {
|
|
pass "run to -pstap test:m4"
|
|
} else {
|
|
fail "run to -pstap test:m4"
|
|
}
|
|
|
|
# Testing probe arguments.
|
|
gdb_test "print \$_probe_argc" " = 3" \
|
|
"print \$_probe_argc for probe m4"
|
|
gdb_test "print \$_probe_arg0" " = 42" \
|
|
"check \$_probe_arg0 for probe m4"
|
|
gdb_test "print (const char *) \$_probe_arg1" \
|
|
" = $hex .This is a test message.*" \
|
|
"check \$_probe_arg1 for probe m4"
|
|
gdb_test "print \$_probe_arg2 == v" " = 1" \
|
|
"check \$_probe_arg2 for probe m4"
|
|
|
|
# Reinit GDB, set a breakpoint on probe ps.
|
|
delete_breakpoints
|
|
rerun_to_main
|
|
if {[runto "-pstap test:ps"]} {
|
|
pass "run to -pstap test:m4"
|
|
} else {
|
|
fail "run to -pstap test:m4"
|
|
}
|
|
|
|
gdb_test "print \$_probe_argc" " = 3" \
|
|
"print \$_probe_argc for probe ps"
|
|
gdb_test "print (const char *) \$_probe_arg1" \
|
|
" = $hex .This is another test message.*" \
|
|
"print \$_probe_arg1 for probe ps"
|
|
|
|
return 0
|
|
}
|
|
|
|
proc stap_test_no_debuginfo {exec_name {arg ""}} {
|
|
global testfile hex
|
|
|
|
if {[prepare_for_testing ${testfile}.exp ${exec_name} ${testfile}.c \
|
|
{$arg nodebug optimize=-O2}]} {
|
|
return -1
|
|
}
|
|
|
|
if {[runto "-pstap test:user"]} {
|
|
pass "run to -pstap test:user"
|
|
} else {
|
|
fail "run to -pstap test:user"
|
|
}
|
|
|
|
# Test probe arguments.
|
|
gdb_test "print \$_probe_argc" " = 1" \
|
|
"print \$_probe_argc for probe user"
|
|
gdb_test "print \$_probe_arg0 == 23" " = 1" \
|
|
"check \$_probe_arg0 for probe user"
|
|
gdb_test "print \$_probe_arg1" \
|
|
"Invalid probe argument 1 -- probe has 1 arguments available" \
|
|
"check \$_probe_arg1 for probe user"
|
|
|
|
# Set a breakpoint with multiple probe locations.
|
|
# In this scenario, we may expect more than 2 locations because of
|
|
# the optimizations (inlining, loop unrolling, etc).
|
|
gdb_test "break -pstap test:two" \
|
|
"Breakpoint .* at $hex.*\[0-9\]+ locations.*" \
|
|
"set multi-location probe breakpoint (probe two)"
|
|
|
|
# Reinit GDB, set a breakpoint on probe m4.
|
|
delete_breakpoints
|
|
rerun_to_main
|
|
if {[runto "-pstap test:m4"]} {
|
|
pass "run to -pstap test:m4"
|
|
} else {
|
|
fail "run to -pstap test:m4"
|
|
}
|
|
|
|
# Testing probe arguments.
|
|
gdb_test "print \$_probe_argc" " = 3" \
|
|
"print \$_probe_argc for probe m4"
|
|
gdb_test "print \$_probe_arg0" " = 42" \
|
|
"check \$_probe_arg0 for probe m4"
|
|
gdb_test "print (const char *) \$_probe_arg1" \
|
|
" = $hex .This is a test message.*" \
|
|
"check \$_probe_arg1 for probe m4"
|
|
gdb_test "print \$_probe_arg2 == 0" " = 1" \
|
|
"check \$_probe_arg2 for probe m4"
|
|
|
|
# Reinit GDB, set a breakpoint on probe ps.
|
|
delete_breakpoints
|
|
rerun_to_main
|
|
if {[runto "-pstap test:ps"]} {
|
|
pass "run to -pstap test:m4"
|
|
} else {
|
|
fail "run to -pstap test:m4"
|
|
}
|
|
|
|
gdb_test "print \$_probe_argc" " = 3" \
|
|
"print \$_probe_argc for probe ps"
|
|
gdb_test "print (const char *) \$_probe_arg1" \
|
|
" = $hex .This is another test message.*" \
|
|
"print \$_probe_arg1 for probe ps"
|
|
|
|
return 0
|
|
}
|
|
|
|
with_test_prefix "without semaphore, not optimized" {
|
|
if {[stap_test "stap-probe-nosem-noopt"] == -1} {
|
|
untested stap-probe.exp
|
|
return -1
|
|
}
|
|
}
|
|
|
|
with_test_prefix "with semaphore, not optimized" {
|
|
stap_test "stap-probe-sem-noopt" "-DUSE_PROBES"
|
|
}
|
|
|
|
with_test_prefix "without semaphore, optimized" {
|
|
stap_test_no_debuginfo "stap-probe-nosem-opt"
|
|
}
|
|
|
|
with_test_prefix "with semaphore, optimized" {
|
|
stap_test_no_debuginfo "stap-probe-sem-opt" "-DUSE_PROBES"
|
|
}
|