gdb/testsuite/gdb.trace/strace.exp

# Copyright 2011 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/>.

load_lib "trace-support.exp";

if $tracelevel then {
    strace $tracelevel
}

if {[skip_shlib_tests]} {
    return 0
}

set testfile "strace"
set srcfile $testfile.c
set binfile $objdir/$subdir/$testfile
set executable $testfile

set libipa $objdir/../gdbserver/libinproctrace.so

set lib_opts debug

if [get_compiler_info ${binfile}] {
    return -1
}

set additional_flags [list debug shlib=$libipa shlib_load "additional_flags=-lust -lurcu-bp" ]

if { [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $additional_flags] != ""} {
    untested "UST library or headers are not installed"
    return -1
}

clean_restart $executable

if ![runto_main] {
    fail "Can't run to main to check for trace support"
    return -1
}

if { ![gdb_target_supports_trace] } then {
    unsupported "Current target does not support trace"
    return -1;
}

gdb_load_shlibs $libipa

proc strace_info_marker { } {
    global executable
    global pf_prefix

    set old_pf_prefix $pf_prefix
    lappend pf_prefix "info_marker"

    # Restart with a fresh gdb.
    clean_restart $executable
    if ![runto_main] {
	fail "Can't run to main"
	set pf_prefix $old_pf_prefix
	return -1
    }

    # List the markers in program.  They should be disabled.
    gdb_test "info static-tracepoint-markers" \
	".*ust/bar\[\t \]+n\[\t \]+.*ust/bar2\[\t \]+n\[\t \]+.*"

    set pf_prefix $old_pf_prefix
}

proc strace_probe_marker { } {
    global executable
    global pf_prefix
    global expect_out
    global gdb_prompt
    global hex

    set old_pf_prefix $pf_prefix
    lappend pf_prefix "probe_marker"

    # Restart with a fresh gdb.
    clean_restart $executable
    if ![runto_main] {
	fail "Can't run to main"
	set pf_prefix $old_pf_prefix
	return -1
    }

    gdb_test "strace -m ust/bar" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
    gdb_test "strace -m ust/bar2" "Static tracepoint \[0-9\]+ at ${hex}: file.*"
    # Two trace markers should be enabled.
    gdb_test "info static-tracepoint-markers" "ust/bar\[\t \]+y\[\t \]+$hex .*ust/bar2\[\t \]+y\[\t \]+$hex.*"

    gdb_test "break end" "Breakpoint \[0-9\]+ at.*"

    gdb_test_no_output "tstart"
    gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*" "continue to end"
    gdb_test_no_output "tstop"

    gdb_test "tfind" "Found trace frame 0, tracepoint .*" "tfind frame 0"
    gdb_test "tfind" "Found trace frame 1, tracepoint .*" "tfind frame 1"
    gdb_test "tfind" "Target failed to find requested trace frame\\..*"

    set pf_prefix $old_pf_prefix
}

strace_info_marker
strace_probe_marker