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# Copyright 2011-2021 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/>.
# Tests of ambiguous linespecs.
standard_testfile lspec.cc
set exefile $testfile
set baseone base/one/thefile.cc
set basetwo base/two/thefile.cc
if {[skip_cplus_tests]} {
unsupported "skipping c++ tests"
return
}
if {[prepare_for_testing "failed to prepare" $exefile \
[list $srcfile $baseone $basetwo] \
{debug nowarnings c++}]} {
return -1
}
gdb_test_no_output "set multiple-symbols all" \
"set multiple-symbols to all for linespec tests"
set l1 [gdb_get_line_number "thefile breakpoint" $baseone]
set l2 [gdb_get_line_number "thefile breakpoint" $basetwo]
if {$l1 != $l2} {
error "somebody incompatibly modified the source files needed by linespec.exp"
}
gdb_test_no_output "set breakpoint pending off" \
"disable pending breakpoints for linespec tests"
# Copying files to a remote host loses the directory prefix during
# compilation.
if { [is_remote host] } {
untested "breakpoints using dir/file:line"
} else {
gdb_test "break one/thefile.cc:$l1" \
"Breakpoint $decimal at $hex: file .*thefile.cc, line $l1." \
"single-location break using dir/file:line"
gdb_test "clear one/thefile.cc:$l1" \
"Deleted breakpoint $decimal *" \
"clear breakpoint using dir/file:line"
if { [readline_is_used] } {
# There are functions named 'twodup' in both source files.
# Both should be found if we restrict the linespec to the
# ambiguous "thefile.cc" source filename. Check both
# completion and setting the breakpoint.
set tst "complete unique function name in two source files"
send_gdb "break thefile.cc:t\t"
gdb_test_multiple "" $tst {
-re "break thefile.cc:twodup\\(\\) " {
pass $tst
send_gdb "\n"
gdb_test "" \
"Breakpoint $decimal at $hex: thefile.cc:twodup\\(\\). \[(\]2 locations\[)\]" \
"set break at unique function name in two source files"
}
}
# Check both completing and setting a breakpoint on a linespec
# with a source component, where there's more than one source
# file with the same basename. We should find the functions
# in all matching sources -- one/thefile.cc and
# two/thefile.cc. The "one" file has "z1()", while the "two"
# file has "z2()".
set tst "complete non-unique function name in two source files"
send_gdb "break thefile.cc:z\t"
gdb_test_multiple "" $tst {
-re "break thefile.cc:z\\\x07" {
send_gdb "\t"
gdb_test_multiple "" $tst {
-re "\r\nz1\\(\\)\[ \t\]+z2\\(\\)\[ \t\]+\r\n$gdb_prompt " {
pass $tst
send_gdb "\n"
gdb_test "" \
"Function \"z\" not defined in \"thefile.cc\"." \
"set break at non-unique function name in two source files"
}
}
}
}
# Now check that disambiguating the source path makes GDB only
# match the symbols in that file. "z" should now have a
# unique completion to "z1()", and setting the breakpoint
# should find only one location.
set tst "complete unique function name in disambiguated source file"
send_gdb "break one/thefile.cc:z\t"
gdb_test_multiple "" $tst {
-re "break one/thefile.cc:z1\\(\\) " {
pass $tst
send_gdb "\n"
gdb_test "" \
"Breakpoint $decimal at $hex: file .*thefile.cc, line \[^\r\n\]*" \
"set break at unique function name in disambiguated source file"
}
}
# Check that using a non-existing source path does not confuse
# GDB. It should not match any symbol.
set dir_file "one/thefile.cc"
set non_existing "/some/non-existing/absolute/path/prefix/$dir_file"
set non_existing_re [string_to_regexp $non_existing]
set tst "complete functions in non-existing absolute path"
send_gdb "break $non_existing:\t"
gdb_test_multiple "" $tst {
-re "break $non_existing_re:\\\x07" {
send_gdb "\t\t"
gdb_test_multiple "" $tst {
-re "^\\\x07\\\x07" {
pass $tst
# There's a function called 'twodup' in each
# of the thefile.cc files. Make sure none is
# picked.
send_gdb "twodup\n"
gdb_test "" \
"No source file named $non_existing_re." \
"set break in function in non-existing absolute path"
}
}
}
}
}
}
gdb_test "break thefile.cc:$l1" \
"Breakpoint $decimal at $hex: thefile.cc:$l1. \[(\]2 locations\[)\]" \
"multi-location break using file:line"
gdb_test "break dupname" \
"Breakpoint $decimal at $hex: dupname. \[(\]2 locations\[)\]" \
"multi-location break using duplicate function name"
gdb_test "break dupname:label" \
"Breakpoint $decimal at $hex: dupname:label. \[(\]2 locations\[)\]" \
"multi-location break using duplicate function name and label"
# Testing if the "condition" command completes only the breakpoints,
# not the locations.
gdb_test "complete condition " "condition $decimal\r\ncondition $decimal\r\ncondition $decimal"
# This is PR breakpoints/12856.
gdb_test "break lspec.cc:nosuchfunction" \
"Function \"nosuchfunction\" not defined in \"lspec.cc\"." \
"set breakpoint on non-existent function"
gdb_test "break NameSpace::overload" \
"Breakpoint \[0-9\]+ at $hex: NameSpace::overload. \[(\]3 locations\[)\]" \
"set breakpoint at all instances of NameSpace::overload"
gdb_test "break lspec.cc:NameSpace::overload" \
"Breakpoint \[0-9\]+ at $hex: file .*lspec.cc, line 7." \
"set breakpoint at lspec.cc instance of NameSpace::overload"
gdb_test "break lspec.cc:NameSpace::overload(double)" \
"Function \"NameSpace::overload\\(double\\)\" not defined in \"lspec.cc\"." \
"set breakpoint at non-existent lspec.cc instance of NameSpace::overload"
gdb_test "break NameSpace::overload()" \
"Breakpoint \[0-9\]+ at $hex: file .*lspec.cc, line 7." \
"set breakpoint at specific instance of NameSpace::overload"
# This should manage to set a breakpoint even though body.h does not
# include all of the function in question.
set line [gdb_get_line_number "body breakpoint no code" body.h]
gdb_test "break body.h:$line" \
"Breakpoint \[0-9\]+.*" \
"set breakpoint in body.h"
# This should only have a single location -- in f1.
set line [gdb_get_line_number "f1 breakpoint" lspec.h]
gdb_test "break lspec.h:$line" \
"Breakpoint \[0-9\]+ at $hex: file .*lspec.h, line $line." \
"set breakpoint in f1"
#
# Multi-inferior tests.
#
gdb_test "add-inferior" "Added inferior 2.*" \
"add inferior for linespec tests"
gdb_test "inferior 2" "Switching to inferior 2 .*" \
"switch to inferior 2 for linespec tests"
# Note that in particular this should not cause errors when re-setting
# breakpoints.
gdb_test "file $binfile" \
"Reading symbols from .*" \
"set the new inferior file for linespec tests"
gdb_test "break -q main" \
"Breakpoint \[0-9\]+ at $hex: -qualified main. .2 locations." \
"set breakpoint at main in both inferiors"
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