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

   1 # This testcase is part of GDB, the GNU debugger.
   2 #
   3 # Copyright 2017-2020 Free Software Foundation, Inc.
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 # Skip this test if btrace is disabled.
  19
  20 if { [skip_btrace_tests] } {
  21     untested "skipping btrace tests"
  22     return -1
  23 }
  24
  25 standard_testfile
  26
  27 if { [gdb_compile_pthreads "$srcdir/$subdir/$srcfile" "$binfile" executable {debug} ] != "" } {
  28     untested "failed to prepare"
  29     return -1
  30 }
  31 clean_restart $testfile
  32
  33 # Skip this test if python is disabled.
  34
  35 load_lib gdb-python.exp
  36 if { [skip_python_tests] } {
  37     untested "skipping python tests"
  38     return -1
  39 }
  40
  41 if { ![runto_main] } {
  42     untested "failed to run to main"
  43     return -1
  44 }
  45
  46 # set up breakpoints
  47 gdb_breakpoint $srcfile:[gdb_get_line_number "bp1" $srcfile]
  48 gdb_breakpoint $srcfile:[gdb_get_line_number "bp2" $srcfile]
  49
  50 # record data
  51 gdb_continue_to_breakpoint "cont to bp.1" ".*bp1.*"
  52 gdb_test_no_output "record btrace"
  53 gdb_continue_to_breakpoint "cont to bp.2" ".*bp2.*"
  54
  55 # acquire the record objects for thread 1 and thread 2
  56 gdb_test "thread 1" ".*"
  57 gdb_test "record function-call-history" ".*" "fch thread 1"
  58 gdb_test_no_output "python rec1 = gdb.current_recording()"
  59 gdb_test "thread 2" ".*"
  60 gdb_test "record function-call-history" ".*" "fch thread 2"
  61 gdb_test_no_output "python rec2 = gdb.current_recording()"
  62
  63 # Thread 1 is supposed to call func1 (), thread 2 is supposed to call func2 ().
  64 # Check that the function call history for the current thread contains a call
  65 # to the right function and does not contain a call to the wrong function.
  66 proc check_insn_for_thread { self other } {
  67   with_test_prefix "checking thread $self" {
  68     gdb_test_no_output "python fch = rec$self.function_call_history"
  69     gdb_test_no_output "python f1calls = \{x for x in fch if x.symbol and x.symbol.name == \"func1\"\}"
  70     gdb_test_no_output "python f2calls = \{x for x in fch if x.symbol and x.symbol.name == \"func2\"\}"
  71
  72     gdb_test "python print(not f${self}calls)" "False"
  73     gdb_test "python print(not f${other}calls)" "True"
  74   }
  75 }
  76
  77 foreach_with_prefix thread { 1 2 } {
  78   gdb_test "thread $thread"
  79   check_insn_for_thread 1 2
  80   check_insn_for_thread 2 1
  81 }