gdb/testsuite/gdb.linespec/linespec.exp - binutils-gdb - Git at Google

 # 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"
	# 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"