gdb/testsuite/gdb.cp/exception.exp

   1 # Copyright 1997-2021 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This file is part of the gdb testsuite.
  17 # tests for exception-handling support
  18 # Written by Satish Pai <pai@apollo.hp.com> 1997-07-23
  19 # Rewritten by Michael Chastain <mec.gnu@mindspring.com> 2004-01-08
  20
  21 # This file used to have two copies of the tests with different
  22 # compiler flags for hp-ux.  Instead, the user should set CXXOPTS
  23 # or run runtest with --target_board unix/gdb:debug_flags="..."
  24 # to choose the compiler flags.
  25 #
  26 # The interesting compiler flags are: "aCC +A -Wl,-a,-archive" .
  27 # Static-linked executables use a different mechanism to get the
  28 # address of the notification hook in the C++ support library.
  29
  30 # TODO: this file has many absolute line numbers.
  31 # Replace them with gdb_get_line_number.
  32
  33 set ws  "\[\r\n\t \]+"
  34 set nl  "\[\r\n\]+"
  35
  36 if { [skip_stl_tests] } { continue }
  37
  38 standard_testfile .cc
  39
  40 if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} {
  41     return -1
  42 }
  43
  44 # Set a catch catchpoint
  45
  46 gdb_test "catch catch" "Catchpoint \[0-9\]+ \\(catch\\)" \
  47     "catch catch (before inferior run)"
  48
  49 # Set a throw catchpoint
  50
  51 gdb_test "catch throw" "Catchpoint \[0-9\]+ \\(throw\\)" \
  52     "catch throw (before inferior run)"
  53
  54 # Set a rethrow catchpoint
  55
  56 gdb_test "catch rethrow" "Catchpoint \[0-9\]+ \\(rethrow\\)" \
  57     "catch rethrow (before inferior run)"
  58
  59
  60 set re_head     "Num${ws}Type${ws}Disp${ws}Enb${ws}Address${ws}What"
  61 set re_2_bp     "1${ws}catchpoint${ws}keep${ws}y${ws}exception catch"
  62 set re_3_bp     "2${ws}catchpoint${ws}keep${ws}y${ws}exception throw"
  63 set re_4_bp     "3${ws}catchpoint${ws}keep${ws}y${ws}exception rethrow"
  64
  65 set name "info breakpoints (before inferior run)"
  66 gdb_test_multiple "info breakpoints" $name {
  67     -re "$re_head${ws}$re_2_bp${ws}$re_3_bp${ws}$re_4_bp\r\n$gdb_prompt $" {
  68         pass $name
  69     }
  70     -re ".*$gdb_prompt $"
  71       {
  72         fail $name
  73       }
  74 }
  75
  76 gdb_test "tbreak -q main" "Temporary breakpoint 4.*" \
  77     "Set temporary breakpoint at main"
  78
  79 set ok 0
  80 gdb_run_cmd
  81 gdb_test_multiple "" "run to main" {
  82     -re "Temporary breakpoint 4,.*$gdb_prompt $" {
  83         pass "run to main"
  84         set ok 1
  85     }
  86 }
  87
  88 if { !$ok } {
  89     continue
  90 }
  91
  92 set name "info breakpoints (after inferior run)"
  93 gdb_test_multiple "info breakpoints" $name {
  94     -re "$re_head${ws}$re_2_bp${ws}$re_3_bp${ws}$re_4_bp\r\n$gdb_prompt $" {
  95         pass $name
  96     }
  97     -re ".*$gdb_prompt $"
  98       {
  99         send_user "\n---\n$expect_out(buffer)\n---\n"
 100         fail $name
 101       }
 102 }
 103
 104 gdb_test "break catcher" "Breakpoint \[0-9\]+ at.*"
 105
 106 # Get the first exception thrown
 107
 108 set name "continue to first throw"
 109 gdb_test_multiple "continue" $name {
 110     -re "Continuing.${ws}Catchpoint \[0-9\]+ \\(exception thrown\\), throw location.*${srcfile}:30, catch location .*${srcfile}:50\r\n$gdb_prompt $" {
 111         pass $name
 112     }
 113     -re "Continuing.${ws}Catchpoint \[0-9\]+ \\(exception thrown\\).*\r\n$gdb_prompt $" {
 114         pass $name
 115     }
 116 }
 117
 118 # Backtrace from the throw point.
 119 # This should get to user code.
 120
 121 set name "backtrace after first throw"
 122 gdb_test_multiple "backtrace" $name {
 123     -re ".*#\[0-9\]+.*\[\[:<:\]\]__cxa_throw\[\[:>:\]\].*#\[0-9\]+${ws}$hex in foo \\(i=20\\) at .*${srcfile}:\[0-9\]+\r\n#\[0-9\]+${ws}$hex in main \\(.*\\) at .*${srcfile}:\[0-9\]+\r\n$gdb_prompt $" {
 124         # Either __cxxabiv1::__cxa_throw or __cxa_throw can be printed
 125         # depending on debug info presence.
 126         pass $name
 127     }
 128 }
 129
 130 # Continue to the catch.
 131
 132 set name "continue to first catch"
 133 gdb_test_multiple "continue" $name {
 134     -re "Continuing.${ws}Catchpoint \[0-9\]+ \\(exception caught\\), throw location.*${srcfile}:30, catch location .*${srcfile}:50\r\n$gdb_prompt $" {
 135         pass $name
 136     }
 137     -re "Continuing.${ws}Catchpoint \[0-9\]+ \\(exception caught\\).*\r\n$gdb_prompt $" {
 138         pass $name
 139     }
 140 }
 141
 142 # Backtrace from the catch point.
 143 # This should get to user code.
 144
 145 set name "backtrace after first catch"
 146 gdb_test_multiple "backtrace" $name {
 147     -re ".*#\[0-9\]+.*\[\[:<:\]\]__cxa_begin_catch\[\[:>:\]\].*#\[0-9\]+${ws}$hex in main \\(.*\\) at .*$srcfile:\[0-9\]+\r\n$gdb_prompt $" {
 148         pass $name
 149     }
 150 }
 151
 152 # Continue to breakpoint on catcher.
 153 gdb_test "continue" ".*catcher \\(x=13\\).*" "continue to catcher for the first time"
 154
 155 # Continue to second throw.
 156
 157 set name "continue to second throw"
 158 gdb_test_multiple "continue" $name {
 159     -re "Continuing.${ws}Catchpoint \[0-9\]+ \\(exception thrown\\), throw location.*${srcfile}:30, catch location .*${srcfile}:58\r\n$gdb_prompt $" {
 160         pass $name
 161     }
 162     -re "Continuing.${ws}Catchpoint \[0-9\]+ \\(exception thrown\\).*\r\n$gdb_prompt $" {
 163         pass $name
 164     }
 165 }
 166
 167 # Backtrace from the throw point.
 168 # This should get to user code.
 169
 170 set name "backtrace after second throw"
 171 gdb_test_multiple "backtrace" $name {
 172     -re ".*#\[0-9\]+.*\[\[:<:\]\]__cxa_throw\[\[:>:\]\].*#\[0-9\]+${ws}$hex in foo \\(i=20\\) at .*${srcfile}:\[0-9\]+\r\n#\[0-9\]+${ws}$hex in main \\(.*\\) at .*${srcfile}:\[0-9\]+\r\n$gdb_prompt $" {
 173         pass $name
 174     }
 175 }
 176
 177 # Continue to second catch.
 178
 179 set name "continue to second catch"
 180 gdb_test_multiple "continue" $name {
 181     -re "Continuing.${ws}Catchpoint \[0-9\]+ \\(exception caught\\), throw location.*${srcfile}:30, catch location .*${srcfile}:58\r\n$gdb_prompt $" {
 182         pass $name
 183     }
 184     -re "Continuing.${ws}Catchpoint \[0-9\]+ \\(exception caught\\).*\r\n$gdb_prompt $" {
 185         pass $name
 186     }
 187 }
 188
 189 # Backtrace from the catch point.
 190 # This should get to user code.
 191
 192 set name "backtrace after second catch"
 193 gdb_test_multiple "backtrace" $name {
 194     -re ".*#\[0-9\]+.*\[\[:<:\]\]__cxa_begin_catch\[\[:>:\]\].*#\[0-9\]+${ws}$hex in main \\(.*\\) at .*$srcfile:\[0-9\]+\r\n$gdb_prompt $" {
 195         pass $name
 196     }
 197 }
 198
 199 # Continue to breakpoint on catcher.
 200 gdb_test "continue" ".*catcher \\(x=13\\).*" "continue to catcher for the second time"
 201
 202
 203 # Continue to the re-throw.
 204
 205 gdb_test "continue" "Catchpoint \[0-9\]+.*exception rethrown.*" \
 206     "continue to rethrow"