gdb/testsuite/gdb.cp/exception.exp

   1 # Copyright 1997-2016 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 # On SPU this test fails because the executable exceeds local storage size.
  39 if { [istarget "spu*-*-*"] } {
  40         return 0
  41 }
  42
  43 standard_testfile .cc
  44
  45 if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} {
  46     return -1
  47 }
  48
  49 # Set a catch catchpoint
  50
  51 gdb_test "catch catch" "Catchpoint \[0-9\]+ \\(catch\\)" \
  52     "catch catch (before inferior run)"
  53
  54 # Set a throw catchpoint
  55
  56 gdb_test "catch throw" "Catchpoint \[0-9\]+ \\(throw\\)" \
  57     "catch throw (before inferior run)"
  58
  59 # Set a rethrow catchpoint
  60
  61 gdb_test "catch rethrow" "Catchpoint \[0-9\]+ \\(rethrow\\)" \
  62     "catch rethrow (before inferior run)"
  63
  64
  65 # The catchpoints should be listed in the list of breakpoints.
  66 # In case of a statically linked test, we won't have a pending breakpoint.
  67 # Hence we allow for both an address or "<PENDING>". If we ever become able
  68 # to tell whether the target is linked statically or not, we can be more
  69 # precise and require exact output.
  70 set addr "\(<PENDING>|$hex\)"
  71 set re_head     "Num${ws}Type${ws}Disp${ws}Enb${ws}Address${ws}What"
  72 set re_2_bp     "1${ws}breakpoint${ws}keep${ws}y${ws}$addr${ws}exception catch"
  73 set re_3_bp     "2${ws}breakpoint${ws}keep${ws}y${ws}$addr${ws}exception throw"
  74 set re_4_bp   "3${ws}breakpoint${ws}keep${ws}y${ws}$addr${ws}exception rethrow"
  75
  76 set name "info breakpoints (before inferior run)"
  77 gdb_test_multiple "info breakpoints" $name {
  78     -re "$re_head${ws}$re_2_bp${ws}$re_3_bp${ws}$re_4_bp\r\n$gdb_prompt $" {
  79         pass $name
  80     }
  81     -re ".*$gdb_prompt $"
  82       {
  83         fail $name
  84       }
  85 }
  86
  87 gdb_test "tbreak main" "Temporary breakpoint 4.*" \
  88     "Set temporary breakpoint at main"
  89
  90 set ok 0
  91 gdb_run_cmd
  92 gdb_test_multiple "" "run to main" {
  93     -re "Temporary breakpoint 4,.*$gdb_prompt $" {
  94         pass "run to main"
  95         set ok 1
  96     }
  97 }
  98
  99 if { !$ok } {
 100     continue
 101 }
 102
 103 set addr "$hex"
 104 set re_head     "Num${ws}Type${ws}Disp${ws}Enb${ws}Address${ws}What"
 105 set re_2_bp     "1${ws}breakpoint${ws}keep${ws}y${ws}$addr${ws}exception catch"
 106 set re_3_bp     "2${ws}breakpoint${ws}keep${ws}y${ws}$addr${ws}exception throw"
 107 set re_4_bp   "3${ws}breakpoint${ws}keep${ws}y${ws}$addr${ws}exception rethrow"
 108
 109 set name "info breakpoints (after inferior run)"
 110 gdb_test_multiple "info breakpoints" $name {
 111     -re "$re_head${ws}$re_2_bp${ws}$re_3_bp${ws}$re_4_bp\r\n$gdb_prompt $" {
 112         pass $name
 113     }
 114     -re ".*$gdb_prompt $"
 115       {
 116         send_user "\n---\n$expect_out(buffer)\n---\n"
 117         fail $name
 118       }
 119 }
 120
 121 gdb_test "break catcher" "Breakpoint \[0-9\]+ at.*"
 122
 123 # Get the first exception thrown
 124
 125 set name "continue to first throw"
 126 gdb_test_multiple "continue" $name {
 127     -re "Continuing.${ws}Catchpoint \[0-9\]+ \\(exception thrown\\), throw location.*${srcfile}:30, catch location .*${srcfile}:50\r\n$gdb_prompt $" {
 128         pass $name
 129     }
 130     -re "Continuing.${ws}Catchpoint \[0-9\]+ \\(exception thrown\\).*\r\n$gdb_prompt $" {
 131         pass $name
 132     }
 133 }
 134
 135 # Backtrace from the throw point.
 136 # This should get to user code.
 137
 138 set name "backtrace after first throw"
 139 gdb_test_multiple "backtrace" $name {
 140     -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 $" {
 141         # Either __cxxabiv1::__cxa_throw or __cxa_throw can be printed
 142         # depending on debug info presence.
 143         pass $name
 144     }
 145 }
 146
 147 # Continue to the catch.
 148
 149 set name "continue to first catch"
 150 gdb_test_multiple "continue" $name {
 151     -re "Continuing.${ws}Catchpoint \[0-9\]+ \\(exception caught\\), throw location.*${srcfile}:30, catch location .*${srcfile}:50\r\n$gdb_prompt $" {
 152         pass $name
 153     }
 154     -re "Continuing.${ws}Catchpoint \[0-9\]+ \\(exception caught\\).*\r\n$gdb_prompt $" {
 155         pass $name
 156     }
 157 }
 158
 159 # Backtrace from the catch point.
 160 # This should get to user code.
 161
 162 set name "backtrace after first catch"
 163 gdb_test_multiple "backtrace" $name {
 164     -re ".*#\[0-9\]+.*\[\[:<:\]\]__cxa_begin_catch\[\[:>:\]\].*#\[0-9\]+${ws}$hex in main \\(.*\\) at .*$srcfile:\[0-9\]+\r\n$gdb_prompt $" {
 165         pass $name
 166     }
 167 }
 168
 169 # Continue to breakpoint on catcher.
 170 gdb_test "continue" ".*catcher \\(x=13\\).*" "continue to catcher for the first time"
 171
 172 # Continue to second throw.
 173
 174 set name "continue to second throw"
 175 gdb_test_multiple "continue" $name {
 176     -re "Continuing.${ws}Catchpoint \[0-9\]+ \\(exception thrown\\), throw location.*${srcfile}:30, catch location .*${srcfile}:58\r\n$gdb_prompt $" {
 177         pass $name
 178     }
 179     -re "Continuing.${ws}Catchpoint \[0-9\]+ \\(exception thrown\\).*\r\n$gdb_prompt $" {
 180         pass $name
 181     }
 182 }
 183
 184 # Backtrace from the throw point.
 185 # This should get to user code.
 186
 187 set name "backtrace after second throw"
 188 gdb_test_multiple "backtrace" $name {
 189     -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 $" {
 190         pass $name
 191     }
 192 }
 193
 194 # Continue to second catch.
 195
 196 set name "continue to second catch"
 197 gdb_test_multiple "continue" $name {
 198     -re "Continuing.${ws}Catchpoint \[0-9\]+ \\(exception caught\\), throw location.*${srcfile}:30, catch location .*${srcfile}:58\r\n$gdb_prompt $" {
 199         pass $name
 200     }
 201     -re "Continuing.${ws}Catchpoint \[0-9\]+ \\(exception caught\\).*\r\n$gdb_prompt $" {
 202         pass $name
 203     }
 204 }
 205
 206 # Backtrace from the catch point.
 207 # This should get to user code.
 208
 209 set name "backtrace after second catch"
 210 gdb_test_multiple "backtrace" $name {
 211     -re ".*#\[0-9\]+.*\[\[:<:\]\]__cxa_begin_catch\[\[:>:\]\].*#\[0-9\]+${ws}$hex in main \\(.*\\) at .*$srcfile:\[0-9\]+\r\n$gdb_prompt $" {
 212         pass $name
 213     }
 214 }
 215
 216 # Continue to breakpoint on catcher.
 217 gdb_test "continue" ".*catcher \\(x=13\\).*" "continue to catcher for the second time"
 218
 219
 220 # Continue to the re-throw.
 221
 222 gdb_test "continue" "Catchpoint \[0-9\]+.*exception rethrown.*" \
 223     "continue to rethrow"