gdb/testsuite/gdb.btrace/exception.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2 #
   3 # Copyright 2013-2024 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 require allow_btrace_tests
  21
  22 # We expect a specific function call history.  This gets messed up with
  23 # PIE on 32-bit.
  24 standard_testfile exception.cc
  25 if [prepare_for_testing "failed to prepare" $testfile $srcfile \
  26         {nopie c++ debug}] {
  27     return -1
  28 }
  29
  30 if ![runto_main] {
  31     return -1
  32 }
  33
  34 # we want to see the full trace for this test
  35 gdb_test_no_output "set record function-call-history-size 0"
  36
  37 # set bp
  38 set bp_1 [gdb_get_line_number "bp.1" $srcfile]
  39 set bp_2 [gdb_get_line_number "bp.2" $srcfile]
  40 gdb_breakpoint $bp_1
  41 gdb_breakpoint $bp_2
  42
  43 # trace the code between the two breakpoints
  44 gdb_continue_to_breakpoint "cont to bp.1" ".*$srcfile:$bp_1\r\n.*"
  45 # increase the BTS buffer size - the trace can be quite big
  46 gdb_test_no_output "set record btrace bts buffer-size 128000"
  47 gdb_test_no_output "record btrace"
  48 gdb_continue_to_breakpoint "cont to bp.2" ".*$srcfile:$bp_2\r\n.*"
  49
  50 # show the flat branch trace
  51 send_gdb "record function-call-history 1\n"
  52 gdb_expect_list "flat" "\r\n$gdb_prompt $" [list \
  53   [multi_line \
  54     "1\tmain\\(\\)" \
  55     "2\ttest\\(\\)" \
  56     "3\tfoo\\(\\)" \
  57     "4\tbar\\(\\)" \
  58     "5\tbad\\(\\)\r" \
  59   ] "" \
  60   [multi_line \
  61     "\[0-9\]*\ttest\\(\\)" \
  62     "\[0-9\]*\tmain\\(\\)" \
  63   ] "" \
  64   ]
  65
  66 # show the branch trace with calls indented
  67 send_gdb "record function-call-history /c 1\n"
  68 gdb_expect_list "indented" "\r\n$gdb_prompt $" [list \
  69   [multi_line \
  70     "1\tmain\\(\\)" \
  71     "2\t  test\\(\\)" \
  72     "3\t    foo\\(\\)" \
  73     "4\t      bar\\(\\)" \
  74     "5\t        bad\\(\\)\r" \
  75   ] "" \
  76   [multi_line \
  77     "\[0-9\]*\t  test\\(\\)" \
  78     "\[0-9\]*\tmain\\(\\)" \
  79   ] "" \
  80   ]