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620 lines
18 KiB
Plaintext
620 lines
18 KiB
Plaintext
# Copyright 2012-2018 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Tests for explicit locations
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load_lib completion-support.exp
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standard_testfile explicit.c explicit2.c 3explicit.c
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set exefile $testfile
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if {[prepare_for_testing "failed to prepare" $exefile \
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[list $srcfile $srcfile2 $srcfile3] {debug nowarnings}]} {
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return -1
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}
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# Wrap the entire test in a namespace to avoid contaminating other tests.
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namespace eval $testfile {
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# Test the given (explicit) LINESPEC which should cause gdb to break
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# at LOCATION.
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proc test_breakpoint {linespec location} {
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set testname "set breakpoint at \"$linespec\""
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# Delete all breakpoints, set a new breakpoint at LINESPEC,
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# and attempt to run to it.
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delete_breakpoints
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if {[gdb_breakpoint $linespec]} {
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pass $testname
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send_log "\nexpecting locpattern \"$location\"\n"
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gdb_continue_to_breakpoint $linespec $location
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} else {
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fail $testname
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}
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}
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# Add the given LINESPEC to the array named in THEARRAY. GDB is expected
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# to stop at LOCATION.
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proc add {thearray linespec location} {
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upvar $thearray ar
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lappend ar(linespecs) $linespec
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lappend ar(locations) $location
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}
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# A list of all explicit linespec arguments.
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variable all_arguments
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set all_arguments {"source" "function" "label" "line"}
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# Some locations used in this test
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variable lineno
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variable location
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set lineno(normal) [gdb_get_line_number "myfunction location" $srcfile]
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set lineno(top) [gdb_get_line_number "top location" $srcfile]
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foreach v [array names lineno] {
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set location($v) ".*[string_to_regexp "$srcfile:$lineno($v)"].*"
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}
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# A list of explicit locations and the corresponding location.
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variable linespecs
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set linespecs(linespecs) {}
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set linespecs(location) {}
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add linespecs "-source $srcfile -function myfunction" $location(normal)
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add linespecs "-source $srcfile -function myfunction -label top" \
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$location(top)
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# This isn't implemented yet; -line is silently ignored.
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add linespecs "-source $srcfile -function myfunction -label top -line 3" \
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$location(top)
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add linespecs "-source $srcfile -line $lineno(top)" $location(top)
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add linespecs "-function myfunction" $location(normal)
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add linespecs "-function myfunction -label top" $location(top)
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# These are also not yet supported; -line is silently ignored.
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add linespecs "-function myfunction -line 3" $location(normal)
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add linespecs "-function myfunction -label top -line 3" $location(top)
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add linespecs "-line 3" $location(normal)
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# Fire up gdb.
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if {![runto_main]} {
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return -1
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}
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# Turn off queries
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gdb_test_no_output "set confirm off"
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# Simple error tests (many more are tested in ls-err.exp)
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foreach arg $all_arguments {
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# Test missing argument
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gdb_test "break -$arg" \
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[string_to_regexp "missing argument for \"-$arg\""]
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# Test abbreviations
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set short [string range $arg 0 3]
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gdb_test "break -$short" \
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[string_to_regexp "missing argument for \"-$short\""]
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}
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# Test invalid arguments
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foreach arg {"-foo" "-foo bar" "-function myfunction -foo" \
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"-function -myfunction -foo bar"} {
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gdb_test "break $arg" \
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[string_to_regexp "invalid explicit location argument, \"-foo\""]
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}
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# Test explicit locations, with and without conditions.
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# For these tests, it is easiest to turn of pending breakpoint.
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gdb_test_no_output "set breakpoint pending off" \
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"turn off pending breakpoints"
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foreach linespec $linespecs(linespecs) loc_pattern $linespecs(locations) {
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# Test the linespec
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test_breakpoint $linespec $loc_pattern
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# Test with a valid condition
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delete_breakpoints
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set tst "set breakpoint at \"$linespec\" with valid condition"
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if {[gdb_breakpoint "$linespec if arg == 0"]} {
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pass $tst
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gdb_test "info break" ".*stop only if arg == 0.*" \
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"info break of conditional breakpoint at \"$linespec\""
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} else {
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fail $tst
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}
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# Test with invalid condition
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gdb_test "break $linespec if foofoofoo == 1" \
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".*No symbol \"foofoofoo\" in current context.*" \
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"set breakpoint at \"$linespec\" with invalid condition"
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# Test with thread
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delete_breakpoints
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gdb_test "break $linespec thread 123" "Unknown thread 123."
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}
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# Tests below are about tab-completion, which doesn't work if readline
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# library isn't used. Check it first.
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if { [readline_is_used] } {
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# Test the explicit location completer
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foreach abbrev {"fun" "so" "lab" "li"} full {"function" "source" "label" "line"} {
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set tst "complete 'break -$abbrev'"
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send_gdb "break -${abbrev}\t"
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gdb_test_multiple "" $tst {
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-re "break -$full " {
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send_gdb "\n"
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gdb_test_multiple "" $tst {
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-re "missing argument for \"-$full\".*$gdb_prompt " {
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pass $tst
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}
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}
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}
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}
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set tst "complete -$full with no value"
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send_gdb "break -$full \t"
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gdb_test_multiple "" $tst {
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-re ".*break -$full " {
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send_gdb "\n"
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gdb_test_multiple "" $tst {
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-re ".*Source filename requires function, label, or line offset\..*$gdb_prompt " {
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if {[string equal $full "source"]} {
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pass $tst
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} else {
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fail $tst
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}
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}
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-re "missing argument for \"-$full\".*$gdb_prompt " {
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pass $tst
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}
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}
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}
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}
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}
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set tst "complete unique function name"
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send_gdb "break -function my_unique_func\t"
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gdb_test_multiple "" $tst {
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-re "break -function my_unique_function_name" {
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send_gdb "\n"
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gdb_test "" ".*Breakpoint \[0-9\]+.*" $tst
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gdb_test_no_output "delete \$bpnum" "delete $tst breakpoint"
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}
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}
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set tst "complete non-unique function name"
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send_gdb "break -function myfunc\t"
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gdb_test_multiple "" $tst {
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-re "break -function myfunc\\\x07tion" {
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send_gdb "\t\t"
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gdb_test_multiple "" $tst {
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-re "\\\x07\r\nmyfunction\[ \t\]+myfunction2\[ \t\]+myfunction3\[ \t\]+myfunction4\[ \t\]+\r\n$gdb_prompt " {
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gdb_test "2" ".*Breakpoint \[0-9\]+.*" $tst
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gdb_test_no_output "delete \$bpnum" "delete $tst breakpoint"
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}
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}
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}
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}
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set tst "complete non-existant function name"
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send_gdb "break -function foo\t"
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gdb_test_multiple "" $tst {
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-re "break -function foo\\\x07" {
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send_gdb "\t\t"
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gdb_test_multiple "" $tst {
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-re "\\\x07\\\x07" {
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send_gdb "\n"
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gdb_test "" {Function "foo" not defined.} $tst
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}
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}
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}
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}
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with_test_prefix "complete unique file name" {
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foreach qc $completion::maybe_quoted_list {
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set cmd "break -source ${qc}3explicit.c${qc}"
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test_gdb_complete_unique \
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"break -source ${qc}3ex" \
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$cmd
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gdb_test $cmd \
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{Source filename requires function, label, or line offset.}
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}
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}
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set tst "complete non-unique file name"
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send_gdb "break -source exp\t"
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gdb_test_multiple "" $tst {
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-re "break -source exp\\\x07licit" {
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send_gdb "\t\t"
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gdb_test_multiple "" $tst {
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-re "\\\x07\r\nexplicit.c\[ \t\]+explicit2.c\[ \t\]+\r\n$gdb_prompt" {
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send_gdb "\n"
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gdb_test "" \
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{Source filename requires function, label, or line offset.} \
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$tst
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}
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}
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}
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-re "break -source exp\\\x07l" {
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# This pattern may occur when glibc debuginfo is installed.
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send_gdb "\t\t"
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gdb_test_multiple "" $tst {
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-re "\\\x07\r\nexplicit.c\[ \t\]+explicit2.c\[ \t\]+expl.*\r\n$gdb_prompt" {
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send_gdb "\n"
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gdb_test "" \
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{Source filename requires function, label, or line offset.} \
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$tst
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}
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}
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}
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}
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set tst "complete non-existant file name"
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send_gdb "break -source foo\t"
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gdb_test_multiple "" $tst {
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-re "break -source foo" {
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send_gdb "\t\t"
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gdb_test_multiple "" $tst {
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-re "\\\x07\\\x07" {
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send_gdb "\n"
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gdb_test "" \
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{Source filename requires function, label, or line offset.} \
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$tst
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}
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}
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}
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}
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set tst "complete filename and unique function name"
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send_gdb "break -source explicit.c -function ma\t"
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gdb_test_multiple "" $tst {
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-re "break -source explicit.c -function main " {
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send_gdb "\n"
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gdb_test "" ".*Breakpoint .*" $tst
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gdb_test_no_output "delete \$bpnum" "delete $tst breakpoint"
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}
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}
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set tst "complete filename and non-unique function name"
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send_gdb "break -so 3explicit.c -func myfunc\t"
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gdb_test_multiple "" $tst {
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-re "break -so 3explicit.c -func myfunc\\\x07tion" {
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send_gdb "\t\t"
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gdb_test_multiple "" $tst {
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-re "\\\x07\r\nmyfunction3\[ \t\]+myfunction4\[ \t\]+\r\n$gdb_prompt " {
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gdb_test "3" ".*Breakpoint \[0-9\]+.*" $tst
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gdb_test_no_output "delete \$bpnum" "delete $tst breakpoint"
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}
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}
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}
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}
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set tst "complete filename and non-existant function name"
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send_gdb "break -sou 3explicit.c -fun foo\t"
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gdb_test_multiple "" $tst {
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-re "break -sou 3explicit.c -fun foo\\\x07" {
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send_gdb "\t\t"
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gdb_test_multiple "" $tst {
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-re "\\\x07\\\x07" {
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send_gdb "\n"
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gdb_test "" \
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{Function "foo" not defined in "3explicit.c".} $tst
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}
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}
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}
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}
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set tst "complete filename and function reversed"
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send_gdb "break -func myfunction4 -source 3ex\t"
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gdb_test_multiple "" $tst {
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-re "break -func myfunction4 -source 3explicit.c " {
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send_gdb "\n"
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gdb_test "" "Breakpoint \[0-9\]+.*" $tst
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gdb_test_no_output "delete \$bpnum" "delete $tst breakpoint"
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}
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}
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with_test_prefix "complete unique label name" {
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foreach qc $completion::maybe_quoted_list {
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test_gdb_complete_unique \
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"break -function myfunction -label ${qc}to" \
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"break -function myfunction -label ${qc}top${qc}"
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}
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}
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with_test_prefix "complete unique label name with source file" {
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test_gdb_complete_unique \
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"break -source explicit.c -function myfunction -label to" \
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"break -source explicit.c -function myfunction -label top"
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}
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with_test_prefix "complete unique label name reversed" {
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test_gdb_complete_multiple "b -label top -function " "myfunction" "" {
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"myfunction"
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"myfunction2"
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"myfunction3"
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"myfunction4"
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}
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}
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with_test_prefix "complete non-unique label name" {
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test_gdb_complete_multiple "b -function myfunction -label " "" "" {
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"done"
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"top"
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}
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}
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# The program is stopped at myfunction, so gdb is able to
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# infer the label's function.
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with_test_prefix "complete label name with no function" {
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test_gdb_complete_unique \
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"break -label to" \
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"break -label top"
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check_bp_locations_match_list \
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"break -label top" {
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"-function myfunction -label top"
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}
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}
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# See above.
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with_test_prefix "complete label name with source file but no function" {
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test_gdb_complete_unique \
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"break -source explicit.c -label to" \
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"break -source explicit.c -label top"
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check_bp_locations_match_list \
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"break -source explicit.c -label top" {
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"-source explicit.c -function myfunction -label top"
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}
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}
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with_test_prefix "complete label name with wrong source file" {
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test_gdb_complete_none \
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"break -source explicit2.c -function myfunction -label to"
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check_setting_bp_fails \
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"break -source explicit2.c -function myfunction -label top"
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}
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# Get rid of symbols from shared libraries, otherwise
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# "b -source thr<tab>" could find some system library's
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# source.
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gdb_test_no_output "nosharedlibrary"
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# Test that after a seemingly finished option argument,
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# completion matches both the explicit location options and
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# the linespec keywords.
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set completions_list {
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"-function"
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"-label"
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"-line"
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"-qualified"
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"-source"
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"if"
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"task"
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"thread"
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}
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foreach what { "-function" "-label" "-line" "-source" } {
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# Also test with "-qualified" appearing before the
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# explicit location.
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foreach prefix {"" "-qualified "} {
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# ... and with "-qualified" appearing after the
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# explicit location.
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foreach suffix {"" " -qualified"} {
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with_test_prefix "complete after $prefix$what$suffix" {
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if {$what != "-line"} {
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set w "$prefix$what argument$suffix "
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test_gdb_complete_multiple \
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"b $w" "" "" $completions_list
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test_gdb_complete_unique \
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"b $w thr" \
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"b $w thread"
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test_gdb_complete_unique \
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"b $w -fun" \
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"b $w -function"
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} else {
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# After -line, we expect a number / offset.
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foreach line {"10" "+10" "-10"} {
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set w "$prefix-line $line$suffix"
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test_gdb_complete_multiple \
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"b $w " "" "" $completions_list
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test_gdb_complete_unique \
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"b $w thr" \
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"b $w thread"
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test_gdb_complete_unique \
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"b $w -fun" \
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"b $w -function"
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}
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# With an invalid -line argument, we don't get any
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# completions.
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test_gdb_complete_none "b $prefix-line argument$suffix "
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}
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}
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}
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# These tests don't make sense with "-qualified" after
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# the location.
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with_test_prefix "complete after $prefix$what" {
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# Don't complete a linespec keyword ("thread") or
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# another option name when expecting an option
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# argument.
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test_gdb_complete_none "b $prefix$what thr"
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test_gdb_complete_none "b $prefix$what -fun"
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}
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}
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}
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# Tests that ensure that after "if" we complete on expressions
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# are in cpcompletion.exp.
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# Disable the completion limit for the rest of the testcase.
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gdb_test_no_output "set max-completions unlimited"
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# Get rid of symbols from shared libraries, otherwise the
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# completions match list for "break <tab>" is huge and makes
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# the test below quite long while the gdb_test_multiple loop
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# below consumes the matches. Not doing this added ~20
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# seconds at the time of writing. (Actually, already done above.)
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# gdb_test_no_output "nosharedlibrary"
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# Test completion with no input argument. We should see all
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# the options, plus all the functions. To keep it simple, as
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# proxy, we check for presence of one explicit location
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# option, one probe location, and one function.
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set saw_opt_function 0
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set saw_opt_probe_stap 0
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set saw_function 0
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set tst "complete with no arguments"
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send_gdb "break \t"
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gdb_test_multiple "" $tst {
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"break \\\x07" {
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send_gdb "\t\t"
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gdb_test_multiple "" $tst {
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"Display all" {
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send_gdb "y"
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exp_continue
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}
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-re "-function" {
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set saw_opt_function 1
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exp_continue
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}
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-re "-probe-stap" {
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set saw_opt_probe_stap 1
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exp_continue
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}
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-re "myfunction4" {
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set saw_function 1
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exp_continue
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}
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-re "\r\n$gdb_prompt " {
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|
gdb_assert {$saw_opt_function && $saw_opt_probe_stap && $saw_function} $tst
|
|
}
|
|
-re " " {
|
|
exp_continue
|
|
}
|
|
}
|
|
}
|
|
}
|
|
clear_input_line $tst
|
|
|
|
# NOTE: We don't bother testing more elaborate combinations of options,
|
|
# such as "-func main -sour 3ex\t" (main is defined in explicit.c).
|
|
# The completer cannot handle these yet.
|
|
|
|
# The following completion tests require having no symbols
|
|
# loaded.
|
|
gdb_exit
|
|
gdb_start
|
|
|
|
# The match list you get when you complete with no options
|
|
# specified at all.
|
|
set completion_list {
|
|
"-function"
|
|
"-label"
|
|
"-line"
|
|
"-probe"
|
|
"-probe-dtrace"
|
|
"-probe-stap"
|
|
"-qualified"
|
|
"-source"
|
|
}
|
|
with_test_prefix "complete with no arguments and no symbols" {
|
|
test_gdb_complete_multiple "b " "" "-" $completion_list
|
|
test_gdb_complete_multiple "b " "-" "" $completion_list
|
|
}
|
|
}
|
|
# End of completion tests.
|
|
|
|
# Test pending explicit breakpoints
|
|
gdb_exit
|
|
gdb_start
|
|
|
|
set tst "pending invalid conditional explicit breakpoint"
|
|
if {![gdb_breakpoint "-func myfunction if foofoofoo == 1" \
|
|
allow-pending]} {
|
|
fail "set $tst"
|
|
} else {
|
|
gdb_test "info break" ".*PENDING.*myfunction if foofoofoo == 1.*" $tst
|
|
}
|
|
|
|
gdb_exit
|
|
gdb_start
|
|
|
|
set tst "pending valid conditional explicit breakpoint"
|
|
if {![gdb_breakpoint "-func myfunction if arg == 0" \
|
|
allow-pending]} {
|
|
fail "set $tst"
|
|
} else {
|
|
gdb_test "info break" ".*PENDING.*myfunction if arg == 0" $tst
|
|
|
|
gdb_load [standard_output_file $exefile]
|
|
gdb_test "info break" \
|
|
".*in myfunction at .*$srcfile:.*stop only if arg == 0.*" \
|
|
"$tst resolved"
|
|
}
|
|
|
|
# Test interaction of condition command and explicit linespec conditons.
|
|
gdb_exit
|
|
gdb_start
|
|
gdb_load [standard_output_file $exefile]
|
|
|
|
set tst "condition_command overrides explicit linespec condition"
|
|
if {![runto main]} {
|
|
fail $tst
|
|
} else {
|
|
if {![gdb_breakpoint "-func myfunction if arg == 1"]} {
|
|
fail "set breakpoint with condition 'arg == 1'"
|
|
} else {
|
|
gdb_test_no_output "cond 2 arg == 0" \
|
|
"set new breakpoint condition for explicit linespec"
|
|
|
|
gdb_continue_to_breakpoint $tst $location(normal)
|
|
}
|
|
}
|
|
|
|
gdb_test "cond 2" [string_to_regexp "Breakpoint 2 now unconditional."] \
|
|
"clear condition for explicit breakpoint"
|
|
set tst "info break of cleared condition of explicit breakpoint"
|
|
gdb_test_multiple "info break" $tst {
|
|
-re ".*in myfunction at .*$srcfile:.*stop only if arg == 0.*" {
|
|
fail $tst
|
|
}
|
|
-re ".*in myfunction at .*$srcfile:.*$gdb_prompt $" {
|
|
pass $tst
|
|
}
|
|
}
|
|
|
|
# Test explicit "ranges." Make sure that using explicit
|
|
# locations doesn't alter the expected outcome.
|
|
gdb_test "list main" ".*" "list main 1"
|
|
set list_result [capture_command_output "list -,+" ""]
|
|
gdb_test "list main" ".*" "list main 2"
|
|
gdb_test "list -line -,-line +" [string_to_regexp $list_result]
|
|
|
|
# Ditto for the reverse (except that no output is expected).
|
|
gdb_test "list myfunction" ".*" "list myfunction 1"
|
|
gdb_test_no_output "list +,-"
|
|
gdb_test "list myfunction" ".*" "list myfunction 2"
|
|
gdb_test_no_output "list -line +, -line -"
|
|
}
|
|
|
|
namespace delete $testfile
|