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old-cross-binutils/gdb/testsuite/gdb.cp/ovldbreak.exp
Joel Brobecker 28e7fd6234 Update years in copyright notice for the GDB files. 
Two modifications:
  1. The addition of 2013 to the copyright year range for every file;
  2. The use of a single year range, instead of potentially multiple
     year ranges, as approved by the FSF.
2013-01-01 06:33:28 +00:00

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# Copyright (C) 1998-2013 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 3 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, see <http://www.gnu.org/licenses/>.
# written by Elena Zannoni (ezannoni@cygnus.com)
# modified by Michael Chastain (chastain@redhat.com)
# This file is part of the gdb testsuite
#
# tests for overloaded member functions. Set breakpoints on
# overloaded member functions
#
global timeout
set timeout 15
#
# test running programs
#
if { [skip_cplus_tests] } { continue }
standard_testfile .cc
if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug c++}]} {
return -1
}
# set it up at a breakpoint so we can play with the variable values
#
if {![runto_main]} {
perror "couldn't run to breakpoint"
continue
}
# When I ask gdb to set a breakpoint on an overloaded function,
# gdb gives me a choice menu. I might get stuck in that choice menu
# (for example, if C++ name mangling is not working properly).
#
# This procedure issues a command that works at either the menu
# prompt or the command prompt to get back to the command prompt.
#
# Note that an empty line won't do it (it means 'repeat the previous command'
# at top level). A line with a single space in it works nicely.
proc take_gdb_out_of_choice_menu {} {
global gdb_prompt
gdb_test_multiple " " " " {
-re ".*$gdb_prompt $" {
}
timeout {
perror "could not resynchronize to command prompt (timeout)"
continue
}
}
}
# This procedure sets an overloaded breakpoint.
# When I ask for such a breakpoint, gdb gives me a menu of 'cancel' 'all'
# and a bunch of choices. I then choose from that menu by number.
proc set_bp_overloaded {name expectedmenu mychoice bpnumber linenumber} {
global gdb_prompt hex srcfile
# Get into the overload menu.
send_gdb "break $name\n"
gdb_expect {
-re "$expectedmenu" {
pass "bp menu for $name choice $mychoice"
# Choose my choice.
send_gdb "$mychoice\n"
gdb_expect {
-re "Breakpoint $bpnumber at $hex: file.*$srcfile, line $linenumber.\r\n$gdb_prompt $" {
pass "set bp $bpnumber on $name $mychoice line $linenumber"
}
-re ".*$gdb_prompt $" {
fail "set bp $bpnumber on $name $mychoice line $linenumber (bad bp)"
}
timeout {
fail "set bp $bpnumber on $name $mychoice line $linenumber (timeout)"
take_gdb_out_of_choice_menu
}
}
}
-re ".*\r\n> " {
fail "bp menu for $name choice $mychoice (bad menu)"
take_gdb_out_of_choice_menu
}
-re ".*$gdb_prompt $" {
fail "bp menu for $name choice $mychoice (no menu)"
}
timeout {
fail "bp menu for $name choice $mychoice (timeout)"
take_gdb_out_of_choice_menu
}
}
}
# Compute the expected menu for overload1arg.
# Note the arg type variations for void and integer types.
# This accommodates different versions of g++.
# Probe for the real types. This will do some unnecessary checking
# for some simple types (like "int"), but it's just easier to loop
# over all_types instead of calling out just the exceptions.
# This list /must/ remain in the same order that the methods are
# called in the source code. Otherwise the order in which breakpoints
# are hit (tested below) will be incorrect.
set all_types [list void char signed_char unsigned_char short_int \
unsigned_short_int int unsigned_int long_int \
unsigned_long_int float double]
# ARGUMENTS is an array that will map from synthetic type to argument
# expressions in the source code, which is of the form "arg = $decimal".
# ARGUMENTS stores this decimal number.
array set arguments {
void ""
char 2
signed_char 3
unsigned_char 4
short_int 5
unsigned_short_int 6
int 7
unsigned_int 8
long_int 9
unsigned_long_int 10
float 100(.0)?
double 200(.0)?
}
unset -nocomplain line types
foreach type $all_types {
# TYPES is an array that maps the synthetic names in ALL_TYPES
# to the real type used in the debugger. These will be checked
# below and changed if the debugger thinks they are different from
# their default values.
set types($type) [join [split $type "_"] " "]
# LINE is an array that will map from synthetic type to line number.
# in the source code.
set line($type) [gdb_get_line_number "fo1 $type"]
# Probe for the actual type.
gdb_test_multiple "print &foo::overload1arg($types($type))" \
"probe $types($type)" {
-re ".*\<foo::.*\>.*$gdb_prompt $" {
regexp {<.*>} $expect_out(0,string) func
regexp {\(.*\)} $func real_type
# Store the real type into TYPES.
set types($type) [string trim $real_type {()}]
# Create an inverse mapping of the actual type to
# the synthetic type.
set type_map("$types($type)") $type
pass "detect $type"
}
}
}
# This is a list of the actual overloaded method arguments.
set overloads {}
foreach type $all_types {
lappend overloads $types($type)
}
# Sort this list alphabetically.
set overloads [lsort $overloads]
# Create the menu list.
set items {"cancel" "all"}
foreach ovld $overloads {
lappend items "$srcfile:foo::overload1arg\\($ovld\\)"
}
set menu_items {}
set idx 0
foreach item $items {
lappend menu_items ".$idx. .*$item"
incr idx
}
set menu_overload1arg [join $menu_items {[\r\n]*}]
append menu_overload1arg {[\r\n]*> $}
# Set multiple-symbols to "ask", to allow us to test the use
# of the multiple-choice menu when breaking on an overloaded method.
gdb_test_no_output "set multiple-symbols ask"
# Set breakpoints on foo::overload1arg, one by one.
set bpnum 1
set method "foo::overload1arg"
for {set idx 0} {$idx < [llength $overloads]} {incr idx} {
set type [lindex $overloads $idx]
set_bp_overloaded $method $menu_overload1arg \
[expr {$idx + 2}] [incr bpnum] $line($type_map("$type"))
}
# Verify the breakpoints.
set bptable "Num Type\[\t \]+Disp Enb Address\[\t \]+What.*"
append bptable "\[0-9\]+\[\t \]+breakpoint keep y\[\t \]+$hex\[\t \]+in main(\\((|void)\\))? at.*$srcfile:49\[\r\n\]+"
append bptable "\[\t \]+breakpoint already hit 1 time\[\r\n\]+"
foreach ovld $overloads {
append bptable [format "\[0-9\]+\[\t \]+breakpoint keep y\[\t \]+$hex\[\t \]+in foo::overload1arg\\(%s\\) at.*$srcfile:%d\[\r\n\]+" $ovld \
$line($type_map("$ovld"))]
}
gdb_test "info break" $bptable "breakpoint info (after setting one-by-one)"
# Test choice "cancel".
# This is copy-and-paste from set_bp_overloaded.
send_gdb "break foo::overload1arg\n"
gdb_expect {
-re "$menu_overload1arg" {
pass "bp menu for foo::overload1arg choice cancel"
# Choose cancel.
send_gdb "0\n"
gdb_expect {
-re "canceled\r\n$gdb_prompt $" {
pass "set bp on overload1arg canceled"
}
-re "cancelled\r\n$gdb_prompt $" {
pass "set bp on overload1arg canceled"
}
-re ".*$gdb_prompt $" {
fail "set bp on overload1arg canceled (bad message)"
}
timeout {
fail "set bp on overload1arg canceled (timeout)"
take_gdb_out_of_choice_menu
}
}
}
-re ".*\r\n> " {
fail "bp menu for foo::overload1arg choice cancel (bad menu)"
take_gdb_out_of_choice_menu
}
-re ".*$gdb_prompt $" {
fail "bp menu for foo::overload1arg choice cancel (no menu)"
}
timeout {
fail "bp menu for foo::overload1arg choice cancel (timeout)"
take_gdb_out_of_choice_menu
}
}
gdb_test "info break" $bptable "breakpoint info (after cancel)"
# Delete these breakpoints.
send_gdb "delete breakpoints\n"
gdb_expect {
-re "Delete all breakpoints.* $" {
send_gdb "y\n"
gdb_expect {
-re ".*$gdb_prompt $" {
pass "delete all breakpoints"
}
timeout {
fail "delete all breakpoints (timeout)"
}
}
}
timeout {
fail "delete all breakpoints (timeout)"
}
}
gdb_test "info breakpoints" "No breakpoints or watchpoints." "breakpoint info (after delete)"
# Test choice "all".
# This is copy-and-paste from set_bp_overloaded.
send_gdb "break foo::overload1arg\n"
gdb_expect {
-re "$menu_overload1arg" {
pass "bp menu for foo::overload1arg choice all"
# Choose all.
send_gdb "1\n"
gdb_expect {
-re "Breakpoint $decimal at $hex: foo::overload1arg. .12 locations.\r\n.*$gdb_prompt $" {
pass "set bp on overload1arg all"
}
-re ".*$gdb_prompt $" {
fail "set bp on overload1arg all (bad message)"
}
timeout {
fail "set bp on overload1arg all (timeout)"
take_gdb_out_of_choice_menu
}
}
}
-re ".*\r\n> " {
fail "bp menu for foo::overload1arg choice all (bad menu)"
take_gdb_out_of_choice_menu
}
-re ".*$gdb_prompt $" {
fail "bp menu for foo::overload1arg choice all (no menu)"
}
timeout {
fail "bp menu for foo::overload1arg choice all (timeout)"
take_gdb_out_of_choice_menu
}
}
# Create the breakpoint table for "info breakpoint".
set bptable "Num Type\[\t \]+Disp Enb Address\[\t \]+What.*\[\r\n]+"
append bptable "\[0-9\]+\[\t \]+breakpoint\[\t \]+keep\[\t \]y\[\t \]+<MULTIPLE>.*\[\r\n\]+"
foreach ovld {void char signed_char unsigned_char short_int \
unsigned_short_int int unsigned_int long_int \
unsigned_long_int float double} {
append bptable [format "\[0-9\]+.\[0-9\]+\[\t \]+y\[\t \]+$hex\[\t \]+in foo::overload1arg\\(%s\\) at.*$srcfile:%d\[\r\n\]+" \
$types($ovld) $line($ovld)]
}
gdb_test "info break" $bptable "breakpoint info (after setting on all)"
# Run through each breakpoint.
proc continue_to_bp_overloaded {bpnumber might_fail line argtype argument} {
global gdb_prompt hex decimal srcfile
if {$argument == ""} {
set actuals ""
} else {
set actuals "arg=$argument"
if {[regexp {char} $argtype]} {
append actuals " \\'\\\\00$argument\\'"
}
}
if {[string match $argtype "void"]} {
set body "return $decimal;"
} else {
set body "arg = 0; return $decimal;"
}
gdb_test_multiple "continue" "continue to bp overloaded : $argtype" {
-re "Continuing.\r\n\r\nBreakpoint $bpnumber, foo::overload1arg \\(this=${hex}(, )?$actuals\\) at .*$srcfile:$line\r\n$decimal\[\t \]+{ $body }.*$gdb_prompt $" {
pass "continue to bp overloaded : $argtype"
}
-re "Continuing.\r\n\r\nBreakpoint $bpnumber, foo::overload1arg \\(this=${hex}, arg=.*\\) at .*$srcfile:$line\r\n$decimal\[\t \]+{ $body }.*$gdb_prompt $" {
if $might_kfail {
kfail "c++/8130" "continue to bp overloaded : $argtype"
} else {
fail "continue to bp overloaded : $argtype"
}
}
}
}
# An array which describes which of these methods might be expected
# to kfail on GCC 2.95. See C++/8210.
array set might_fail {
void 0
char 1
signed_char 1
unsigned_char 1
short_int 1
unsigned_short_int 1
int 0
unsigned_int 0
long_int 0
unsigned_long_int 0
float 0
double 1
}
foreach type $all_types {
continue_to_bp_overloaded 14 $might_fail($type) $line($type) \
$type $arguments($type)
}
# Test breaking on an overloaded function when multiple-symbols
# is set to "cancel"
gdb_test_no_output "set multiple-symbols cancel"
gdb_test "break foo::foofunc" \
"canceled.*"
# Test breaking on an overloaded function when multiple-symbols
# is set to "all"
gdb_test_no_output "set multiple-symbols all"
gdb_test "break foo::foofunc" \
"Breakpoint \[0-9\]+ at ${hex}: foo::foofunc. .2 locations..*"
# That's all, folks.
unset -nocomplain line types
gdb_continue_to_end "finish program"
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