exception.exp revision 1.8
1# Copyright 1997-2019 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 33set ws "\[\r\n\t \]+" 34set nl "\[\r\n\]+" 35 36if { [skip_stl_tests] } { continue } 37 38# On SPU this test fails because the executable exceeds local storage size. 39if { [istarget "spu*-*-*"] } { 40 return 0 41} 42 43standard_testfile .cc 44 45if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} { 46 return -1 47} 48 49# Set a catch catchpoint 50 51gdb_test "catch catch" "Catchpoint \[0-9\]+ \\(catch\\)" \ 52 "catch catch (before inferior run)" 53 54# Set a throw catchpoint 55 56gdb_test "catch throw" "Catchpoint \[0-9\]+ \\(throw\\)" \ 57 "catch throw (before inferior run)" 58 59# Set a rethrow catchpoint 60 61gdb_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. 70set addr "\(<PENDING>|$hex\)" 71set re_head "Num${ws}Type${ws}Disp${ws}Enb${ws}Address${ws}What" 72set re_2_bp "1${ws}breakpoint${ws}keep${ws}y${ws}$addr${ws}exception catch" 73set re_3_bp "2${ws}breakpoint${ws}keep${ws}y${ws}$addr${ws}exception throw" 74set re_4_bp "3${ws}breakpoint${ws}keep${ws}y${ws}$addr${ws}exception rethrow" 75 76set name "info breakpoints (before inferior run)" 77gdb_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 $name 84 } 85} 86 87gdb_test "tbreak main" "Temporary breakpoint 4.*" \ 88 "Set temporary breakpoint at main" 89 90set ok 0 91gdb_run_cmd 92gdb_test_multiple "" "run to main" { 93 -re "Temporary breakpoint 4,.*$gdb_prompt $" { 94 pass "run to main" 95 set ok 1 96 } 97} 98 99if { !$ok } { 100 continue 101} 102 103set addr "$hex" 104set re_head "Num${ws}Type${ws}Disp${ws}Enb${ws}Address${ws}What" 105set re_2_bp "1${ws}breakpoint${ws}keep${ws}y${ws}$addr${ws}exception catch" 106set re_3_bp "2${ws}breakpoint${ws}keep${ws}y${ws}$addr${ws}exception throw" 107set re_4_bp "3${ws}breakpoint${ws}keep${ws}y${ws}$addr${ws}exception rethrow" 108 109set name "info breakpoints (after inferior run)" 110gdb_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 121gdb_test "break catcher" "Breakpoint \[0-9\]+ at.*" 122 123# Get the first exception thrown 124 125set name "continue to first throw" 126gdb_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 138set name "backtrace after first throw" 139gdb_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 149set name "continue to first catch" 150gdb_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 162set name "backtrace after first catch" 163gdb_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. 170gdb_test "continue" ".*catcher \\(x=13\\).*" "continue to catcher for the first time" 171 172# Continue to second throw. 173 174set name "continue to second throw" 175gdb_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 187set name "backtrace after second throw" 188gdb_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 196set name "continue to second catch" 197gdb_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 209set name "backtrace after second catch" 210gdb_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. 217gdb_test "continue" ".*catcher \\(x=13\\).*" "continue to catcher for the second time" 218 219 220# Continue to the re-throw. 221 222gdb_test "continue" "Catchpoint \[0-9\]+.*exception rethrown.*" \ 223 "continue to rethrow" 224