417 lines
12 KiB
Text
417 lines
12 KiB
Text
# This testcase is part of GDB, the GNU debugger.
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# Copyright 1997-2016 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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#
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# test running programs
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#
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standard_testfile break.c break1.c
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if {[prepare_for_testing ${testfile}.exp ${testfile} \
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[list $srcfile $srcfile2] {debug nowarnings}]} {
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return -1
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}
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set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
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set bp_location7 [gdb_get_line_number "set breakpoint 7 here"]
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set bp_location8 [gdb_get_line_number "set breakpoint 8 here" $srcfile2]
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set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]
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set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $srcfile2]
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set bp_location15 [gdb_get_line_number "set breakpoint 15 here" $srcfile2]
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set bp_location17 [gdb_get_line_number "set breakpoint 17 here" $srcfile2]
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if ![runto_main] then { fail "enable/disable break tests suppressed" }
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# Verify that we can set a breakpoint (the location is irrelevant),
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# then enable it (yes, it's already enabled by default), then hit it.
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proc break_at { breakpoint where } {
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global gdb_prompt
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global expect_out
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set test "break $breakpoint"
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set bp 0
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gdb_test_multiple "$test" "$test" {
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-re "Breakpoint (\[0-9\]*) at .*$where.*$gdb_prompt $" {
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set bp $expect_out(1,string)
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pass "$test"
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}
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}
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return $bp
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}
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set bp [break_at "marker1" " line $bp_location15"]
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gdb_test_no_output "enable $bp" "enable break marker1"
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gdb_test "info break $bp" \
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"\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+y.*" \
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"info break marker1"
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# See the comments in condbreak.exp for "run until breakpoint at
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# marker1" for an explanation of the xfail below.
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set test "continue to break marker1"
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gdb_test_multiple "continue" "$test" {
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-re "Breakpoint \[0-9\]*, marker1.*$gdb_prompt $" {
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pass "$test"
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}
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-re "Breakpoint \[0-9\]*, $hex in marker1.*$gdb_prompt $" {
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xfail "$test"
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}
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}
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gdb_test_no_output "delete $bp" "delete break marker1"
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# Verify that we can set a breakpoint to be self-disabling after the
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# first time it triggers.
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set bp [break_at "marker2" " line $bp_location8"]
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gdb_test_no_output "enable once $bp" "enable once break marker2"
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gdb_test "info break $bp" \
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"\[0-9\]*\[ \t\]+breakpoint\[ \t\]+dis\[ \t\]+y.*" \
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"info auto-disabled break marker2"
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# See the comments in condbreak.exp for "run until breakpoint at
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# marker1" for an explanation of the xfail below.
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set test "continue to auto-disabled break marker2"
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gdb_test_multiple "continue" "$test" {
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-re "Breakpoint \[0-9\]*, marker2.*$gdb_prompt $" {
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pass "$test"
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}
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-re "Breakpoint \[0-9\]*, $hex in marker2.*$gdb_prompt $" {
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xfail "$test"
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}
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}
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gdb_test "info break $bp" \
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"\[0-9\]*\[ \t\]+breakpoint\[ \t\]+dis\[ \t\]+n.*" \
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"info auto-disabled break marker2"
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# Verify that we don't stop at a disabled breakpoint.
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gdb_continue_to_end "no stop"
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rerun_to_main
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gdb_continue_to_end "no stop at auto-disabled break marker2"
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# Verify that we can set a breakpoint to be self-deleting after the
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# first time it triggers.
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if ![runto_main] then {
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fail "enable/disable break tests suppressed"
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}
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set bp [break_at "marker3" " line $bp_location17"]
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gdb_test_no_output "enable del $bp" "enable del break marker3"
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gdb_test "info break $bp" \
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"\[0-9\]*\[ \t\]+breakpoint\[ \t\]+del\[ \t\]+y.*" \
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"info auto-deleted break marker2"
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gdb_test "continue" \
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".*marker3 .*:$bp_location17.*" \
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"continue to auto-deleted break marker3"
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gdb_test "info break $bp" \
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".*No breakpoint or watchpoint matching.*" \
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"info auto-deleted break marker3"
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# Verify that we can set a breakpoint and manually disable it (we've
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# already proven that disabled bp's don't trigger).
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set bp [break_at "marker4" " line $bp_location14.*"]
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gdb_test_no_output "disable $bp" "disable break marker4"
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gdb_test "info break $bp" \
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"\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+n.*" \
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"info break marker4"
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if ![runto_main] then {
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fail "enable/disable break tests suppressed"
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}
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# Test enable count by stopping at a location until it is disabled
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# and passes through.
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set bp [break_at $bp_location7 "line $bp_location7"]
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set bp2 [break_at marker1 " line $bp_location15"]
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gdb_test "enable count" \
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"Argument required \\(hit count\\)\\." \
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"enable count missing arguments"
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gdb_test "enable count 2" \
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"Argument required \\(one or more breakpoint numbers\\)\\." \
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"enable count missing breakpoint number"
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gdb_test_no_output "enable count 2 $bp" "disable break with count"
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gdb_test "continue" \
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".*factorial .*:$bp_location7.*" \
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"continue from enable count, first time"
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gdb_test "continue" \
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".*factorial .*:$bp_location7.*" \
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"continue from enable count, second time"
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gdb_test "continue" \
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".*marker1 .*:$bp_location15.*" \
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"continue through enable count, now disabled"
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# Verify that we can set a breakpoint with an ignore count N, which
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# should cause the next N triggers of the bp to be ignored. (This is
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# a flavor of enablement/disablement, after all.)
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if ![runto_main] then {
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fail "enable/disable break tests suppressed"
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}
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set bp [break_at "marker1" " line $bp_location15.*"]
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# Verify that an ignore of a non-existent breakpoint is gracefully
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# handled.
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gdb_test "ignore 999 2" \
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"No breakpoint number 999..*" \
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"ignore non-existent break"
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# Verify that a missing ignore count is gracefully handled.
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gdb_test "ignore $bp" \
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"Second argument .specified ignore-count. is missing..*" \
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"ignore break with missing ignore count"
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# Verify that a negative or zero ignore count is handled gracefully
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# (they both are treated the same).
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gdb_test "ignore $bp -1" \
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"Will stop next time breakpoint \[0-9\]* is reached..*" \
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"ignore break marker1 -1"
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gdb_test "ignore $bp 0" \
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"Will stop next time breakpoint \[0-9\]* is reached..*" \
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"ignore break marker1 0"
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gdb_test "ignore $bp 1" \
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"Will ignore next crossing of breakpoint \[0-9\]*.*" \
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"ignore break marker1"
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gdb_test "info break $bp" \
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"\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+y.*ignore next 1 hits.*" \
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"info ignored break marker1"
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gdb_continue_to_end "no stop at ignored break marker1"
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rerun_to_main
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# See the comments in condbreak.exp for "run until breakpoint at marker1"
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# for an explanation of the xfail below.
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set test "continue to break marker1, 2nd time"
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gdb_test_multiple "continue" "$test" {
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-re "Breakpoint \[0-9\]*, marker1.*$gdb_prompt $" {
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pass "continue to break marker1, 2nd time"
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}
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-re "Breakpoint \[0-9\]*, $hex in marker1.*$gdb_prompt $" {
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xfail "continue to break marker1, 2nd time"
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}
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}
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# Verify that we can specify both an ignore count and an auto-delete.
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if ![runto_main] then {
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fail "enable/disable break tests suppressed"
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}
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set bp [break_at marker1 " line $bp_location15.*"]
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gdb_test "ignore $bp 1" \
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"Will ignore next crossing of breakpoint \[0-9\]*.*" \
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"ignore break marker1"
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gdb_test_no_output "enable del $bp" "enable del break marker1"
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gdb_test "info break $bp" \
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"\[0-9\]*\[ \t\]+breakpoint\[ \t\]+del\[ \t\]+y.*ignore next 1 hits.*" \
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"info break marker1"
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gdb_continue_to_end "no stop at ignored & auto-deleted break marker1"
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rerun_to_main
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gdb_test "continue" \
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".*marker1 .*:$bp_location15.*" \
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"continue to ignored & auto-deleted break marker1"
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# Verify that a disabled breakpoint's ignore count isn't updated when
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# the bp is encountered.
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if ![runto_main] then {
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fail "enable/disable break tests suppressed"
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}
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set bp [break_at marker1 " line $bp_location15"]
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gdb_test "ignore $bp 10" \
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"Will ignore next 10 crossings of breakpoint \[0-9\]*.*" \
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"ignore break marker1"
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gdb_test_no_output "disable $bp" "disable break marker1"
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gdb_continue_to_end "no stop at ignored & disabled break marker1"
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rerun_to_main
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gdb_test "info break $bp" \
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"\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+n.*ignore next 10 hits.*" \
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"info ignored & disabled break marker1"
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# Verify that GDB correctly handles the "continue" command with an argument,
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# which is an ignore count to set on the currently stopped-at breakpoint.
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# (Also verify that GDB gracefully handles the case where the inferior
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# isn't stopped at a breakpoint.)
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#
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if ![runto_main] then { fail "enable/disable break tests suppressed" }
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gdb_test "break $bp_location1" \
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"Breakpoint \[0-9\]*.*, line $bp_location1.*" \
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"prepare to continue with ignore count"
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gdb_test "continue 2" \
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"Will ignore next crossing of breakpoint \[0-9\]*. Continuing..*" \
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"continue with ignore count"
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gdb_test "next" ".*$bp_location11\[ \t\]*marker1.*" \
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"step after continue with ignore count"
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set test "continue with ignore count, not stopped at bpt"
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gdb_test_multiple "continue 2" "$test" {
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-re "Not stopped at any breakpoint; argument ignored.*$gdb_prompt $" {
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pass "$test"
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}
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-re "No breakpoint number -1.*$gdb_prompt $" {
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kfail gdb/1689 "$test"
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}
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}
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# Verify that GDB correctly handles the "enable/disable" command
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# with arguments, that include multiple locations.
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#
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if ![runto_main] then { fail "enable/disable break tests suppressed" }
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set b1 0
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set b2 0
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set b3 0
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set b4 0
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set b1 [break_at main ""]
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set b2 [break_at main ""]
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set b3 [break_at main ""]
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set b4 [break_at main ""]
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# Perform tests for disable/enable commands on multiple
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# locations and breakpoints.
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#
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# WHAT - the command to test (disable/enable).
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#
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proc test_ena_dis_br { what } {
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global b1
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global b2
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global b3
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global b4
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global gdb_prompt
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# OPPOS - the command opposite to WHAT.
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# WHAT_RES - whether breakpoints are expected to end
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# up enabled or disabled.
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# OPPOS_RES- same as WHAT_RES but opposite.
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# P1/P2 - proc to call (pass/fail). Must be
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# opposites.
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# Set variable values for disable command.
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set oppos "enable"
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set oppos_res "y"
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set what_res "n"
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set p1 "pass"
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set p2 "fail"
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if { "$what" == "enable" } {
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# Set varibale values for enable command.
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set oppos "disable"
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set oppos_res "n"
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set what_res "y"
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set p1 "fail"
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set p2 "pass"
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}
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# Now enable(disable) $b.1 $b2.1.
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gdb_test_no_output "$what $b1.1 $b2.1" "$what \$b1.1 \$b2.1"
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set test1 "${what}d \$b1.1 and \$b2.1"
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# Now $b1.1 and $b2.1 should be enabled(disabled).
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gdb_test_multiple "info break" "$test1" {
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-re "(${b1}.1)(\[^\n\r\]*)( n.*)(${b2}.1)(\[^\n\r\]*)( n.*)$gdb_prompt $" {
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$p1 "$test1"
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}
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-re ".*$gdb_prompt $" {
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$p2 "$test1"
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}
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}
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# Now enable(disable) $b1 fooo.1, it should give error on fooo.
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gdb_test "$what $b1 fooo.1" \
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"Bad breakpoint number 'fooo'" \
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"$what \$b1 fooo.1"
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# $b1 should be enabled(disabled).
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gdb_test "info break" \
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"(${b1})(\[^\n\r]*)( $what_res.*)" \
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"${what}d \$b1"
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gdb_test_no_output "$oppos $b3" "$oppos \$b3"
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gdb_test_no_output "$what $b4 $b3.1" "$what \$b4 \$b3.1"
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set test1 "${what}d \$b4 and \$b3.1,remain ${oppos}d \$b3"
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# Now $b4 $b3.1 should be enabled(disabled) and
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# $b3 should remain disabled(enabled).
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gdb_test_multiple "info break" "$test1" {
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-re "(${b3})(\[^\n\r]*)( $oppos_res.*)(${b3}.1)(\[^\n\r\]*)( n.*)(${b4})(\[^\n\r\]*)( $what_res.*)$gdb_prompt $" {
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$p1 "$test1"
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}
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-re "(${b3})(\[^\n\r]*)( $oppos_res.*)(${b4})(\[^\n\r\]*)( $what_res.*)$gdb_prompt $" {
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$p2 "$test1"
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}
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}
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# Now enable(disable) $b4.1 fooobaar and
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# it should give warning on fooobaar.
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gdb_test "$what $b4.1 fooobaar" \
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"warning: bad breakpoint number at or near 'fooobaar'" \
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"$what \$b4.1 fooobar"
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set test1 "${what}d \$b4.1"
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# $b4.1 should be enabled(disabled).
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gdb_test_multiple "info break" "$test1" {
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-re "(${b4}.1)(\[^\n\r\]*)( n.*)$gdb_prompt $" {
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$p1 "$test1"
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}
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-re ".*$gdb_prompt $" {
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$p2 "$test1"
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}
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}
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}
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test_ena_dis_br "disable"
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test_ena_dis_br "enable"
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gdb_exit
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return 0
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