# Copyright 2015-2018 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"

standard_testfile
set executable $testfile
set expfile $testfile.exp

# make check RUNTESTFLAGS='gdb.trace/ftrace-lock.exp NUM_THREADS=2'
if ![info exists NUM_THREADS] {
    set NUM_THREADS 2
}

# Some targets have leading underscores on assembly symbols.
set additional_flags [gdb_target_symbol_prefix_flags]
set options [list debug [gdb_target_symbol_prefix_flags] \
	     additional_flags=-DNUM_THREADS=$NUM_THREADS]

# Check that the target supports trace.
if { [gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } {
    untested "failed to compile"
    return -1
}

clean_restart ${testfile}

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

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

# Compile the test case with the in-process agent library.
set libipa [get_in_proc_agent]
set remote_libipa [gdb_load_shlib $libipa]

lappend options shlib=$libipa

if { [gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } {
    untested "failed to compile with in-process agent library"
    return -1
}

clean_restart ${executable}

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

if { [gdb_test "info sharedlibrary" ".*${remote_libipa}.*" "IPA loaded"] != 0 } {
    untested "could not find IPA lib loaded"
    return 1
}

gdb_breakpoint "end" qualified
gdb_breakpoint "fail" qualified

gdb_test "ftrace set_point" "Fast tracepoint .*" \
    "fast tracepoint at a long insn"

gdb_test "tstart" ""

# If NUM_THREADS is high then this test case may timeout.  Increase the
# timeout temporarily.
with_timeout_factor $NUM_THREADS {
    # If the fail function is hit, then the testcase will fail.
    gdb_test "continue" ".*Breakpoint \[0-9\]+, end \(\).*" \
	"do not hit the fail function"
}

gdb_test "tstop" ""