# Copyright (C) 1997, 1998 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # Please email any bugs, comments, and/or additions to this file to: # bug-gdb@prep.ai.mit.edu # # tests for exception-handling support # Written by Satish Pai 1997-07-23 # This file is part of the gdb testsuite # Note: These tests are geared to the HP aCC compiler, # which has an idiosyncratic way of emitting debug info # for exceptions -- it uses a callback mechanism, which # is different from the way g++ records exception info # for debugging # The tests are in two parts; the first part deals with # statically linked (archive-bound) executables, and the # second part repeats those tests with dynamically linked # (shared bound) executables. (In the latter case we use # a different mechanism to get the address of the notification # hook in the C++ support library.) The tests themselves are # the same in both parts. # # IMPORTANT: # --------- # IF YOU CHANGE A TEST IN ONE PART MAKE SURE YOU CHANGE IT # -------------------------------------------------------- # IN THE OTHER PART TOO! # ---------------------- if $tracelevel then { strace $tracelevel } if { [skip_hp_tests] } then { continue } # # test running programs # # Part I : Archive-bound executables # ---------------------------------- set testfile "exception" set srcfile ${testfile}.cc set binfile ${objdir}/${subdir}/${testfile} if [get_compiler_info ${binfile} "c++"] { return -1; } if { $gcc_compiled } then { continue } set cmdline "$CXX ${srcdir}/${subdir}/${srcfile} +A -Wl,-a,archive -g -o ${binfile}" remote_exec build $cmdline # Start with a fresh gdb set prms_id 0 set bug_id 0 gdb_exit gdb_start gdb_reinitialize_dir $srcdir/$subdir gdb_load ${binfile} if ![runto_main] then { perror "couldn't run to breakpoint" continue } # Set a catch catchpoint send_gdb "catch catch\n" gdb_expect { -re "Catchpoint \[0-9\]* \\(catch\\)\r\n$gdb_prompt $" { pass "catch catch (static executable)" } -re ".*$gdb_prompt $" { fail "catch catch (static executable)" } timeout { fail "(timeout) catch catch (static executable)" } } # Set a throw catchpoint send_gdb "catch throw\n" gdb_expect { -re "Catchpoint \[0-9\]* \\(throw\\)\r\n$gdb_prompt $" { pass "catch throw (static executable)" } -re ".*$gdb_prompt $" { fail "catch throw (static executable)" } timeout { fail "(timeout) catch throw (static executable)" } } # The catchpoints should be listed in the list of breakpoints. send_gdb "info break\n" gdb_expect { -re ".*\[0-9\]*\[ \]*catch catch\[ \]*keep y\[ \]*exception catch\[ \]*\r\n\[0-9\]*\[ \]*catch throw\[ \]*keep y\[ \]*exception throw\[ \]*\r\n$gdb_prompt $" { pass "info break with catchpoints (static executable)" } -re ".*$gdb_prompt $" { fail "info break (static executable)" } timeout { fail "(timeout) info break (static executable)" } } # Info catch currently does not work with HP aCC. No easy way to # list the active handlers on the stack. send_gdb "info catch\n" gdb_expect { -re "Info catch not supported with this target/compiler combination.\r\n$gdb_prompt $" { pass "info catch (static executable)" } -re ".*$gdb_prompt $" { fail "info catch (static executable)" } timeout { fail "(timeout) info catch (static executable)" } } # Get the first exception thrown send_gdb "continue\n" gdb_expect { -re "Continuing.*Catchpoint \[0-9\]* \\(exception thrown\\), throw location.*exception\\.cc:8, catch location .*exception\\.cc:28\r\n.*$gdb_prompt $" { pass "caught a throw (static executable)" } -re ".*$gdb_prompt $" { fail "didn't catch a throw (static executable)" } timeout { fail "(timeout) after continue -- didn't catch a throw? (static executable)" } } send_gdb "backtrace\n" gdb_expect { -re "#0\[ \]*__d_eh_break.*\r\n#1\[ \]*$hex in __d_eh_notify_callback \\(eh_type=__EH_NOTIFY_THROW.*\r\n#2\[ \]*$hex in __eh_notify_throw.*\r\n#3\[ \]*$hex in foo \\(i=20\\) at .*exception\\.cc:8\r\n#4\[ \]*$hex in main.* at .*exception\\.cc:26\r\n$gdb_prompt $" { pass "backtrace after throw (static executable)" } -re ".*$gdb_prompt $" { fail "backtrace after throw (static executable)" } timeout { fail "(timeout) backtrace after throw (static executable)" } } # Now intercept it when it is caught. send_gdb "continue\n" gdb_expect { -re "Continuing.*Catchpoint \[0-9\]* \\(exception caught\\), throw location.*exception\\.cc:8, catch location .*exception\\.cc:28\r\n.*$gdb_prompt $" { pass "caught a catch (static executable)" } -re ".*$gdb_prompt $" { fail "didn't catch a catch (static executable)" } timeout { fail "(timeout) after continue -- didn't catch a catch? (static executable)" } } send_gdb "backtrace\n" gdb_expect { -re "#0\[ \]*__d_eh_break.*\r\n#1\[ \]*$hex in __d_eh_notify_callback \\(eh_type=__EH_NOTIFY_CATCH.*\r\n.*\r\n#3\[ \]*$hex in __throw__.*\r\n#4\[ \]*$hex in foo \\(i=20\\) at .*exception.cc:8\r\n#5\[ \]*$hex in main.* at .*exception.cc:26\r\n$gdb_prompt $" { pass "backtrace after catch (static executable)" } -re ".*$gdb_prompt $" { fail "backtrace after catch (static executable)" } timeout { fail "(timeout) backtrace after catch (static executable)" } } send_gdb "continue\n" gdb_expect { -re "Continuing\\.\r\nGot.*\r\nCatchpoint \[0-9\]* \\(exception thrown\\), throw location.*exception\\.cc:8, catch location .*exception\\.cc:36\r\n.*$gdb_prompt $" { pass "caught a throw (2) (static executable)" } -re ".*$gdb_prompt $" { fail "didn't catch a throw (2) (static executable)" } timeout { fail "(timeout) after continue -- didn't catch a throw (2)? (static executable)" } } send_gdb "continue\n" gdb_expect { -re "Continuing.*Catchpoint \[0-9\]* \\(exception caught\\), throw location.*exception\\.cc:8, catch location .*exception\\.cc:36\r\n.*$gdb_prompt $" { pass "caught a catch (2) (static executable)" } -re ".*$gdb_prompt $" { fail "didn't catch a catch (2) (static executable)" } timeout { fail "(timeout) after continue -- didn't catch a catch (2)? (static executable)" } } # Now the exception will be rethrown. send_gdb "continue\n" gdb_expect { -re "Continuing\\.\r\nGot.*\r\nCatchpoint \[0-9\]* \\(exception thrown\\), throw location.*exception\\.cc:38, catch location .*exception\\.cc:41\r\n.*$gdb_prompt $" { pass "caught a rethrow (static executable)" } -re ".*$gdb_prompt $" { fail "didn't catch a rethrow (static executable)" } timeout { fail "(timeout) after continue -- didn't catch a rethrow? (static executable)" } } send_gdb "continue\n" gdb_expect { -re "Continuing.*Catchpoint \[0-9\]* \\(exception caught\\), throw location.*exception\\.cc:38, catch location .*exception\\.cc:41\r\n.*$gdb_prompt $" { pass "caught a catch (3) (static executable)" } -re ".*$gdb_prompt $" { fail "didn't catch a catch (3) (static executable)" } timeout { fail "(timeout) after continue -- didn't catch a catch (3)? (static executable)" } } send_gdb "backtrace\n" gdb_expect { -re "#0\[ \]*__d_eh_break.*\r\n#1\[ \]*$hex in __d_eh_notify_callback \\(eh_type=__EH_NOTIFY_CATCH.*\r\n.*\r\n#3\[ \]*$hex in __rethrow.*\r\n#4\[ \]*$hex in main.* at .*exception\\.cc:38\r\n#5\[ \]*$hex in foo \\(i=20\\) at .*exception.cc:8\r\n#6\[ \]*$hex in main.* at .*exception.cc:34\r\n$gdb_prompt $" { pass "backtrace after catch (3) (static executable)" } -re ".*$gdb_prompt $" { fail "backtrace after catch (3) (static executable)" } timeout { fail "(timeout) backtrace after catch (3) (static executable)" } } # Now the exception will be thrown, but not catch-able anywhere. send_gdb "continue\n" gdb_expect { -re "Continuing\\.\r\nGot.*\r\nCatchpoint \[0-9\]* \\(exception thrown\\), throw location.*exception\\.cc:8, catch location unknown\r\n.*$gdb_prompt $" { pass "caught an uncatchable throw (static executable)" } -re ".*$gdb_prompt $" { fail "didn't catch an uncatchable throw (static executable)" } timeout { fail "(timeout) after continue -- didn't catch an uncatchable throw? (static executable)" } } # Part II : Shared-bound executables # ---------------------------------- # Start with a fresh gdb gdb_exit gdb_start gdb_reinitialize_dir $srcdir/$subdir set prms_id 0 set bug_id 0 set testfile "exception" set srcfile ${testfile}.cc set binfile ${objdir}/${subdir}/${testfile} if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } { gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will a utomatically fail." } gdb_exit gdb_start gdb_reinitialize_dir $srcdir/$subdir gdb_load ${binfile} if ![runto_main] then { perror "couldn't run to breakpoint" continue } # Set a catch catchpoint send_gdb "catch catch\n" gdb_expect { -re "Catchpoint \[0-9\]* \\(catch\\)\r\n$gdb_prompt $" { pass "catch catch (dynamic executable)" } -re ".*$gdb_prompt $" { fail "catch catch (dynamic executable)" } timeout { fail "(timeout) catch catch (dynamic executable)" } } # Set a throw catchpoint send_gdb "catch throw\n" gdb_expect { -re "Catchpoint \[0-9\]* \\(throw\\)\r\n$gdb_prompt $" { pass "catch throw (dynamic executable)" } -re ".*$gdb_prompt $" { fail "catch throw (dynamic executable)" } timeout { fail "(timeout) catch throw (dynamic executable)" } } # The catchpoints should be listed in the list of breakpoints. send_gdb "info break\n" gdb_expect { -re ".*\[0-9\]*\[ \]*catch catch\[ \]*keep y\[ \]*exception catch\[ \]*\r\n\[0-9\]*\[ \]*catch throw\[ \]*keep y\[ \]*exception throw\[ \]*\r\n$gdb_prompt $" { pass "info break with catchpoints (dynamic executable)" } -re ".*$gdb_prompt $" { fail "info break (dynamic executable)" } timeout { fail "(timeout) info break (dynamic executable)" } } # Info catch currently does not work with HP aCC. No easy way to # list the active handlers on the stack. send_gdb "info catch\n" gdb_expect { -re "Info catch not supported with this target/compiler combination.\r\n$gdb_prompt $" { pass "info catch (dynamic executable)" } -re ".*$gdb_prompt $" { fail "info catch (dynamic executable)" } timeout { fail "(timeout) info catch (dynamic executable)" } } # Get the first exception thrown send_gdb "continue\n" gdb_expect { -re "Continuing.*Catchpoint \[0-9\]* \\(exception thrown\\), throw location.*exception\\.cc:8, catch location .*exception\\.cc:28\r\n.*$gdb_prompt $" { pass "caught a throw (dynamic executable)" } -re ".*$gdb_prompt $" { fail "didn't catch a throw (dynamic executable)" } timeout { fail "(timeout) after continue -- didn't catch a throw? (dynamic executable)" } } send_gdb "backtrace\n" gdb_expect { -re "#0\[ \]*__d_eh_break.*\r\n#1\[ \]*$hex in __d_eh_notify_callback \\(eh_type=__EH_NOTIFY_THROW.*\r\n#2\[ \]*$hex in __eh_notify_throw.*\r\n#3\[ \]*$hex in foo \\(i=20\\) at .*exception\\.cc:8\r\n#4\[ \]*$hex in main.* at .*exception\\.cc:26\r\n$gdb_prompt $" { pass "backtrace after throw (dynamic executable)" } -re ".*$gdb_prompt $" { fail "backtrace after throw (dynamic executable)" } timeout { fail "(timeout) backtrace after throw (dynamic executable)" } } # Now intercept it when it is caught. send_gdb "continue\n" gdb_expect { -re "Continuing.*Catchpoint \[0-9\]* \\(exception caught\\), throw location.*exception\\.cc:8, catch location .*exception\\.cc:28\r\n.*$gdb_prompt $" { pass "caught a catch (dynamic executable)" } -re ".*$gdb_prompt $" { fail "didn't catch a catch (dynamic executable)" } timeout { fail "(timeout) after continue -- didn't catch a catch? (dynamic executable)" } } send_gdb "backtrace\n" gdb_expect { -re "#0\[ \]*__d_eh_break.*\r\n#1\[ \]*$hex in __d_eh_notify_callback \\(eh_type=__EH_NOTIFY_CATCH.*\r\n.*\r\n#3\[ \]*$hex in __throw__.*\r\n#4\[ \]*$hex in foo \\(i=20\\) at .*exception.cc:8\r\n#5\[ \]*$hex in main.* at .*exception.cc:26\r\n$gdb_prompt $" { pass "backtrace after catch (dynamic executable)" } -re ".*$gdb_prompt $" { fail "backtrace after catch (dynamic executable)" } timeout { fail "(timeout) backtrace after catch (dynamic executable)" } } send_gdb "continue\n" gdb_expect { -re "Continuing\\.\r\nGot.*\r\nCatchpoint \[0-9\]* \\(exception thrown\\), throw location.*exception\\.cc:8, catch location .*exception\\.cc:36\r\n.*$gdb_prompt $" { pass "caught a throw (2) (dynamic executable)" } -re ".*$gdb_prompt $" { fail "didn't catch a throw (2) (dynamic executable)" } timeout { fail "(timeout) after continue -- didn't catch a throw (2)? (dynamic executable)" } } send_gdb "continue\n" gdb_expect { -re "Continuing.*Catchpoint \[0-9\]* \\(exception caught\\), throw location.*exception\\.cc:8, catch location .*exception\\.cc:36\r\n.*$gdb_prompt $" { pass "caught a catch (2) (dynamic executable)" } -re ".*$gdb_prompt $" { fail "didn't catch a catch (2) (dynamic executable)" } timeout { fail "(timeout) after continue -- didn't catch a catch (2)? (dynamic executable)" } } # Now the exception will be rethrown. send_gdb "continue\n" gdb_expect { -re "Continuing\\.\r\nGot.*\r\nCatchpoint \[0-9\]* \\(exception thrown\\), throw location.*exception\\.cc:38, catch location .*exception\\.cc:41\r\n.*$gdb_prompt $" { pass "caught a rethrow (dynamic executable)" } -re ".*$gdb_prompt $" { fail "didn't catch a rethrow (dynamic executable)" } timeout { fail "(timeout) after continue -- didn't catch a rethrow? (dynamic executable)" } } send_gdb "continue\n" gdb_expect { -re "Continuing.*Catchpoint \[0-9\]* \\(exception caught\\), throw location.*exception\\.cc:38, catch location .*exception\\.cc:41\r\n.*$gdb_prompt $" { pass "caught a catch (3) (dynamic executable)" } -re ".*$gdb_prompt $" { fail "didn't catch a catch (3) (dynamic executable)" } timeout { fail "(timeout) after continue -- didn't catch a catch (3)? (dynamic executable)" } } send_gdb "backtrace\n" gdb_expect { -re "#0\[ \]*__d_eh_break.*\r\n#1\[ \]*$hex in __d_eh_notify_callback \\(eh_type=__EH_NOTIFY_CATCH.*\r\n.*\r\n#3\[ \]*$hex in __rethrow.*\r\n#4\[ \]*$hex in main.* at .*exception\\.cc:38\r\n#5\[ \]*$hex in foo \\(i=20\\) at .*exception.cc:8\r\n#6\[ \]*$hex in main.* at .*exception.cc:34\r\n$gdb_prompt $" { pass "backtrace after catch (3) (dynamic executable)" } -re ".*$gdb_prompt $" { fail "backtrace after catch (3) (dynamic executable)" } timeout { fail "(timeout) backtrace after catch (3) (dynamic executable)" } } # Now the exception will be thrown, but not catch-able anywhere. send_gdb "continue\n" gdb_expect { -re "Continuing\\.\r\nGot.*\r\nCatchpoint \[0-9\]* \\(exception thrown\\), throw location.*exception\\.cc:8, catch location unknown\r\n.*$gdb_prompt $" { pass "caught an uncatchable throw (dynamic executable)" } -re ".*$gdb_prompt $" { fail "didn't catch an uncatchable throw (dynamic executable)" } timeout { fail "(timeout) after continue -- didn't catch an uncatchable throw? (dynamic executable)" } }