gdb/testsuite/gdb.python/py-record-btrace-threads.exp

# This testcase is part of GDB, the GNU debugger.
#
# Copyright 2017-2021 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/>.

# Skip this test if btrace is disabled.

if { [skip_btrace_tests] } {
    untested "skipping btrace tests"
    return -1
}

standard_testfile

if { [gdb_compile_pthreads "$srcdir/$subdir/$srcfile" "$binfile" executable {debug} ] != "" } {
    untested "failed to prepare"
    return -1
}
clean_restart $testfile

# Skip this test if python is disabled.

load_lib gdb-python.exp
if { [skip_python_tests] } {
    untested "skipping python tests"
    return -1
}

if { ![runto_main] } {
    return -1
}

# set up breakpoints
gdb_breakpoint $srcfile:[gdb_get_line_number "bp1" $srcfile]
gdb_breakpoint $srcfile:[gdb_get_line_number "bp2" $srcfile]

# record data
gdb_continue_to_breakpoint "cont to bp.1" ".*bp1.*"
gdb_test_no_output "record btrace"
gdb_continue_to_breakpoint "cont to bp.2" ".*bp2.*"

# acquire the record objects for thread 1 and thread 2
gdb_test "thread 1" ".*"
gdb_test "record function-call-history" ".*" "fch thread 1"
gdb_test_no_output "python rec1 = gdb.current_recording()"
gdb_test "thread 2" ".*"
gdb_test "record function-call-history" ".*" "fch thread 2"
gdb_test_no_output "python rec2 = gdb.current_recording()"

# Thread 1 is supposed to call func1 (), thread 2 is supposed to call func2 ().
# Check that the function call history for the current thread contains a call
# to the right function and does not contain a call to the wrong function.
proc check_insn_for_thread { self other } {
  with_test_prefix "checking thread $self" {
    gdb_test_no_output "python fch = rec$self.function_call_history"
    gdb_test_no_output "python f1calls = \{x for x in fch if x.symbol and x.symbol.name == \"func1\"\}"
    gdb_test_no_output "python f2calls = \{x for x in fch if x.symbol and x.symbol.name == \"func2\"\}"

    gdb_test "python print(not f${self}calls)" "False"
    gdb_test "python print(not f${other}calls)" "True"
  }
}

foreach_with_prefix thread { 1 2 } {
  gdb_test "thread $thread"
  check_insn_for_thread 1 2
  check_insn_for_thread 2 1
}