gdb/testsuite/gdb.btrace/exception.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2 #
   3 # Copyright 2013-2021 Free Software Foundation, Inc.
   4 #
   5 # Contributed by Intel Corp. <markus.t.metzger@intel.com>
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 if { [skip_btrace_tests] } {
  21     unsupported "target does not support record-btrace"
  22     return -1
  23 }
  24
  25 # We expect a specific function call history.  This gets messed up with
  26 # PIE on 32-bit.
  27 standard_testfile exception.cc
  28 if [prepare_for_testing "failed to prepare" $testfile $srcfile \
  29         {nopie c++ debug}] {
  30     return -1
  31 }
  32
  33 if ![runto_main] {
  34     untested "failed to run to main"
  35     return -1
  36 }
  37
  38 # we want to see the full trace for this test
  39 gdb_test_no_output "set record function-call-history-size 0"
  40
  41 # set bp
  42 set bp_1 [gdb_get_line_number "bp.1" $srcfile]
  43 set bp_2 [gdb_get_line_number "bp.2" $srcfile]
  44 gdb_breakpoint $bp_1
  45 gdb_breakpoint $bp_2
  46
  47 # trace the code between the two breakpoints
  48 gdb_continue_to_breakpoint "cont to bp.1" ".*$srcfile:$bp_1\r\n.*"
  49 # increase the BTS buffer size - the trace can be quite big
  50 gdb_test_no_output "set record btrace bts buffer-size 128000"
  51 gdb_test_no_output "record btrace"
  52 gdb_continue_to_breakpoint "cont to bp.2" ".*$srcfile:$bp_2\r\n.*"
  53
  54 # show the flat branch trace
  55 send_gdb "record function-call-history 1\n"
  56 gdb_expect_list "flat" "\r\n$gdb_prompt $" [list \
  57   [multi_line \
  58     "1\tmain\\(\\)" \
  59     "2\ttest\\(\\)" \
  60     "3\tfoo\\(\\)" \
  61     "4\tbar\\(\\)" \
  62     "5\tbad\\(\\)\r" \
  63   ] \
  64   "" \
  65   "\[0-9\]*\ttest\\(\\)"]
  66
  67 # show the branch trace with calls indented
  68 send_gdb "record function-call-history /c 1\n"
  69 gdb_expect_list "indented" "\r\n$gdb_prompt $" [list \
  70   [multi_line \
  71     "1\tmain\\(\\)" \
  72   "2\t  test\\(\\)" \
  73   "3\t    foo\\(\\)" \
  74   "4\t      bar\\(\\)" \
  75   "5\t        bad\\(\\)\r" \
  76   ] \
  77   "" \
  78   "\[0-9\]*\t  test\\(\\)"]