306 lines
9.4 KiB
Text
306 lines
9.4 KiB
Text
# This testcase is part of GDB, the GNU debugger.
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# Copyright 1997, 1998, 1999, 2003, 2004, 2007, 2008, 2009, 2010
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# 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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if $tracelevel then {
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strace $tracelevel
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}
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global usestubs
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#
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# test running programs
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#
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set prms_id 0
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set bug_id 0
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set testfile "break"
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set srcfile ${testfile}.c
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set srcfile1 ${testfile}1.c
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set binfile ${objdir}/${subdir}/${testfile}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}0.o" object {debug nowarnings}] != "" } {
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untested ena-dis-br.exp
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return -1
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}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile}1.o" object {debug nowarnings}] != "" } {
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untested ena-dis-br.exp
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return -1
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}
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if { [gdb_compile "${binfile}0.o ${binfile}1.o" "${binfile}" executable {debug nowarnings}] != "" } {
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untested ena-dis-br.exp
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return -1
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}
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
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set bp_location8 [gdb_get_line_number "set breakpoint 8 here" $srcfile1]
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set bp_location9 [gdb_get_line_number "set breakpoint 9 here" $srcfile1]
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set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]
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set bp_location13 [gdb_get_line_number "set breakpoint 13 here" $srcfile1]
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set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $srcfile1]
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set bp_location15 [gdb_get_line_number "set breakpoint 15 here" $srcfile1]
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set bp_location16 [gdb_get_line_number "set breakpoint 16 here" $srcfile1]
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set bp_location17 [gdb_get_line_number "set breakpoint 17 here" $srcfile1]
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set bp_location18 [gdb_get_line_number "set breakpoint 18 here" $srcfile1]
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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|$bp_location16)"]
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gdb_test "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 "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|$bp_location9)"]
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gdb_test "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 ($bp_location17|$bp_location18)"]
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gdb_test "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 .*:($bp_location17|$bp_location18).*" \
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"continue to auto-deleted break marker3"
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gdb_test "info break $bp" \
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".*No breakpoint or watchpoint number.*" \
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"info auto-deleted break marker3"
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# Verify that we can set a breakpoint and manually disable it (we've
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# already proven that disabled bp's don't trigger).
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set bp [break_at "marker4" " line ($bp_location14|$bp_location13).*"]
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gdb_test "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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# 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 ($bp_location15|$bp_location16).*"]
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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|$bp_location16).*"]
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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 "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 .*:($bp_location15|$bp_location16).*" \
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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 ($bp_location15|$bp_location16)"]
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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 "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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gdb_exit
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return 0
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