binutils-gdb/gdb/testsuite/gdb.base/ena-dis-br.exp

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# This testcase is part of GDB, the GNU debugger.
# Copyright 1997-2014 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/>.
#
# test running programs
#
standard_testfile break.c break1.c
if {[prepare_for_testing ${testfile}.exp ${testfile} \
[list $srcfile $srcfile2] {debug nowarnings}]} {
return -1
}
set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
set bp_location7 [gdb_get_line_number "set breakpoint 7 here"]
set bp_location8 [gdb_get_line_number "set breakpoint 8 here" $srcfile2]
set bp_location9 [gdb_get_line_number "set breakpoint 9 here" $srcfile2]
set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]
set bp_location13 [gdb_get_line_number "set breakpoint 13 here" $srcfile2]
set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $srcfile2]
set bp_location15 [gdb_get_line_number "set breakpoint 15 here" $srcfile2]
set bp_location16 [gdb_get_line_number "set breakpoint 16 here" $srcfile2]
set bp_location17 [gdb_get_line_number "set breakpoint 17 here" $srcfile2]
set bp_location18 [gdb_get_line_number "set breakpoint 18 here" $srcfile2]
if ![runto_main] then { fail "enable/disable break tests suppressed" }
# Verify that we can set a breakpoint (the location is irrelevant),
# then enable it (yes, it's already enabled by default), then hit it.
proc break_at { breakpoint where } {
global gdb_prompt
global expect_out
set test "break $breakpoint"
set bp 0
gdb_test_multiple "$test" "$test" {
-re "Breakpoint (\[0-9\]*) at .*$where.*$gdb_prompt $" {
set bp $expect_out(1,string)
pass "$test"
}
}
return $bp
}
set bp [break_at "marker1" " line ($bp_location15|$bp_location16)"]
gdb_test_no_output "enable $bp" "enable break marker1"
gdb_test "info break $bp" \
"\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+y.*" \
"info break marker1"
# See the comments in condbreak.exp for "run until breakpoint at
# marker1" for an explanation of the xfail below.
set test "continue to break marker1"
gdb_test_multiple "continue" "$test" {
-re "Breakpoint \[0-9\]*, marker1.*$gdb_prompt $" {
pass "$test"
}
-re "Breakpoint \[0-9\]*, $hex in marker1.*$gdb_prompt $" {
xfail "$test"
}
}
gdb_test_no_output "delete $bp" "delete break marker1"
# Verify that we can set a breakpoint to be self-disabling after the
# first time it triggers.
set bp [break_at "marker2" " line ($bp_location8|$bp_location9)"]
gdb_test_no_output "enable once $bp" "enable once break marker2"
gdb_test "info break $bp" \
"\[0-9\]*\[ \t\]+breakpoint\[ \t\]+dis\[ \t\]+y.*" \
"info auto-disabled break marker2"
# See the comments in condbreak.exp for "run until breakpoint at
# marker1" for an explanation of the xfail below.
set test "continue to auto-disabled break marker2"
gdb_test_multiple "continue" "$test" {
-re "Breakpoint \[0-9\]*, marker2.*$gdb_prompt $" {
pass "$test"
}
-re "Breakpoint \[0-9\]*, $hex in marker2.*$gdb_prompt $" {
xfail "$test"
}
}
gdb_test "info break $bp" \
"\[0-9\]*\[ \t\]+breakpoint\[ \t\]+dis\[ \t\]+n.*" \
"info auto-disabled break marker2"
# Verify that we don't stop at a disabled breakpoint.
gdb_continue_to_end "no stop"
rerun_to_main
gdb_continue_to_end "no stop at auto-disabled break marker2"
# Verify that we can set a breakpoint to be self-deleting after the
# first time it triggers.
if ![runto_main] then {
fail "enable/disable break tests suppressed"
}
set bp [break_at "marker3" " line ($bp_location17|$bp_location18)"]
gdb_test_no_output "enable del $bp" "enable del break marker3"
gdb_test "info break $bp" \
"\[0-9\]*\[ \t\]+breakpoint\[ \t\]+del\[ \t\]+y.*" \
"info auto-deleted break marker2"
gdb_test "continue" \
".*marker3 .*:($bp_location17|$bp_location18).*" \
"continue to auto-deleted break marker3"
gdb_test "info break $bp" \
".*No breakpoint or watchpoint matching.*" \
"info auto-deleted break marker3"
# Verify that we can set a breakpoint and manually disable it (we've
# already proven that disabled bp's don't trigger).
set bp [break_at "marker4" " line ($bp_location14|$bp_location13).*"]
gdb_test_no_output "disable $bp" "disable break marker4"
gdb_test "info break $bp" \
"\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+n.*" \
"info break marker4"
if ![runto_main] then {
fail "enable/disable break tests suppressed"
}
# Test enable count by stopping at a location until it is disabled
# and passes through.
set bp [break_at $bp_location7 "line $bp_location7"]
set bp2 [break_at marker1 " line ($bp_location15|$bp_location16)"]
gdb_test_no_output "enable count 2 $bp" "disable break with count"
gdb_test "continue" \
".*factorial .*:$bp_location7.*" \
"continue from enable count, first time"
gdb_test "continue" \
".*factorial .*:$bp_location7.*" \
"continue from enable count, second time"
gdb_test "continue" \
".*marker1 .*:($bp_location15|$bp_location16).*" \
"continue through enable count, now disabled"
# Verify that we can set a breakpoint with an ignore count N, which
# should cause the next N triggers of the bp to be ignored. (This is
# a flavor of enablement/disablement, after all.)
if ![runto_main] then {
fail "enable/disable break tests suppressed"
}
set bp [break_at "marker1" " line ($bp_location15|$bp_location16).*"]
# Verify that an ignore of a non-existent breakpoint is gracefully
# handled.
gdb_test "ignore 999 2" \
"No breakpoint number 999..*" \
"ignore non-existent break"
# Verify that a missing ignore count is gracefully handled.
gdb_test "ignore $bp" \
"Second argument .specified ignore-count. is missing..*" \
"ignore break with missing ignore count"
# Verify that a negative or zero ignore count is handled gracefully
# (they both are treated the same).
gdb_test "ignore $bp -1" \
"Will stop next time breakpoint \[0-9\]* is reached..*" \
"ignore break marker1 -1"
gdb_test "ignore $bp 0" \
"Will stop next time breakpoint \[0-9\]* is reached..*" \
"ignore break marker1 0"
gdb_test "ignore $bp 1" \
"Will ignore next crossing of breakpoint \[0-9\]*.*" \
"ignore break marker1"
gdb_test "info break $bp" \
"\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+y.*ignore next 1 hits.*" \
"info ignored break marker1"
gdb_continue_to_end "no stop at ignored break marker1"
rerun_to_main
# See the comments in condbreak.exp for "run until breakpoint at marker1"
# for an explanation of the xfail below.
set test "continue to break marker1, 2nd time"
gdb_test_multiple "continue" "$test" {
-re "Breakpoint \[0-9\]*, marker1.*$gdb_prompt $" {
pass "continue to break marker1, 2nd time"
}
-re "Breakpoint \[0-9\]*, $hex in marker1.*$gdb_prompt $" {
xfail "continue to break marker1, 2nd time"
}
}
# Verify that we can specify both an ignore count and an auto-delete.
if ![runto_main] then {
fail "enable/disable break tests suppressed"
}
set bp [break_at marker1 " line ($bp_location15|$bp_location16).*"]
gdb_test "ignore $bp 1" \
"Will ignore next crossing of breakpoint \[0-9\]*.*" \
"ignore break marker1"
gdb_test_no_output "enable del $bp" "enable del break marker1"
gdb_test "info break $bp" \
"\[0-9\]*\[ \t\]+breakpoint\[ \t\]+del\[ \t\]+y.*ignore next 1 hits.*" \
"info break marker1"
gdb_continue_to_end "no stop at ignored & auto-deleted break marker1"
rerun_to_main
gdb_test "continue" \
".*marker1 .*:($bp_location15|$bp_location16).*" \
"continue to ignored & auto-deleted break marker1"
# Verify that a disabled breakpoint's ignore count isn't updated when
# the bp is encountered.
if ![runto_main] then {
fail "enable/disable break tests suppressed"
}
set bp [break_at marker1 " line ($bp_location15|$bp_location16)"]
gdb_test "ignore $bp 10" \
"Will ignore next 10 crossings of breakpoint \[0-9\]*.*" \
"ignore break marker1"
gdb_test_no_output "disable $bp" "disable break marker1"
gdb_continue_to_end "no stop at ignored & disabled break marker1"
rerun_to_main
gdb_test "info break $bp" \
"\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+n.*ignore next 10 hits.*" \
"info ignored & disabled break marker1"
# Verify that GDB correctly handles the "continue" command with an argument,
# which is an ignore count to set on the currently stopped-at breakpoint.
# (Also verify that GDB gracefully handles the case where the inferior
# isn't stopped at a breakpoint.)
#
if ![runto_main] then { fail "enable/disable break tests suppressed" }
gdb_test "break $bp_location1" \
"Breakpoint \[0-9\]*.*, line $bp_location1.*" \
"prepare to continue with ignore count"
gdb_test "continue 2" \
"Will ignore next crossing of breakpoint \[0-9\]*. Continuing..*" \
"continue with ignore count"
gdb_test "next" ".*$bp_location11\[ \t\]*marker1.*" \
"step after continue with ignore count"
set test "continue with ignore count, not stopped at bpt"
gdb_test_multiple "continue 2" "$test" {
-re "Not stopped at any breakpoint; argument ignored.*$gdb_prompt $" {
pass "$test"
}
-re "No breakpoint number -1.*$gdb_prompt $" {
kfail gdb/1689 "$test"
}
}
# Verify that GDB correctly handles the "enable/disable" command
# with arguments, that include multiple locations.
#
if ![runto_main] then { fail "enable/disable break tests suppressed" }
set b1 0
set b2 0
set b3 0
set b4 0
set b1 [break_at main ""]
set b2 [break_at main ""]
set b3 [break_at main ""]
set b4 [break_at main ""]
# Perform tests for disable/enable commands on multiple
# locations and breakpoints.
#
# WHAT - the command to test (disable/enable).
#
proc test_ena_dis_br { what } {
global b1
global b2
global b3
global b4
global gdb_prompt
# OPPOS - the command opposite to WHAT.
# WHAT_RES - whether breakpoints are expected to end
# up enabled or disabled.
# OPPOS_RES- same as WHAT_RES but opposite.
# P1/P2 - proc to call (pass/fail). Must be
# opposites.
# Set variable values for disable command.
set oppos "enable"
set oppos_res "y"
set what_res "n"
set p1 "pass"
set p2 "fail"
if { "$what" == "enable" } {
# Set varibale values for enable command.
set oppos "disable"
set oppos_res "n"
set what_res "y"
set p1 "fail"
set p2 "pass"
}
# Now enable(disable) $b.1 $b2.1.
gdb_test_no_output "$what $b1.1 $b2.1" "$what \$b1.1 \$b2.1"
set test1 "${what}d \$b1.1 and \$b2.1"
# Now $b1.1 and $b2.1 should be enabled(disabled).
gdb_test_multiple "info break" "$test1" {
-re "(${b1}.1)(\[^\n\r\]*)( n.*)(${b2}.1)(\[^\n\r\]*)( n.*)$gdb_prompt $" {
$p1 "$test1"
}
-re ".*$gdb_prompt $" {
$p2 "$test1"
}
}
# Now enable(disable) $b1 fooo.1, it should give error on fooo.
gdb_test "$what $b1 fooo.1" \
"Bad breakpoint number 'fooo'" \
"$what \$b1 fooo.1"
# $b1 should be enabled(disabled).
gdb_test "info break" \
"(${b1})(\[^\n\r]*)( $what_res.*)" \
"${what}d \$b1"
gdb_test_no_output "$oppos $b3" "$oppos \$b3"
gdb_test_no_output "$what $b4 $b3.1" "$what \$b4 \$b3.1"
set test1 "${what}d \$b4 and \$b3.1,remain ${oppos}d \$b3"
# Now $b4 $b3.1 should be enabled(disabled) and
# $b3 should remain disabled(enabled).
gdb_test_multiple "info break" "$test1" {
-re "(${b3})(\[^\n\r]*)( $oppos_res.*)(${b3}.1)(\[^\n\r\]*)( n.*)(${b4})(\[^\n\r\]*)( $what_res.*)$gdb_prompt $" {
$p1 "$test1"
}
-re "(${b3})(\[^\n\r]*)( $oppos_res.*)(${b4})(\[^\n\r\]*)( $what_res.*)$gdb_prompt $" {
$p2 "$test1"
}
}
# Now enable(disable) $b4.1 fooobaar and
# it should give warning on fooobaar.
gdb_test "$what $b4.1 fooobaar" \
"warning: bad breakpoint number at or near 'fooobaar'" \
"$what \$b4.1 fooobar"
set test1 "${what}d \$b4.1"
# $b4.1 should be enabled(disabled).
gdb_test_multiple "info break" "$test1" {
-re "(${b4}.1)(\[^\n\r\]*)( n.*)$gdb_prompt $" {
$p1 "$test1"
}
-re ".*$gdb_prompt $" {
$p2 "$test1"
}
}
}
test_ena_dis_br "disable"
test_ena_dis_br "enable"
gdb_exit
return 0