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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [gdb/] [testsuite/] [gdb.base/] [ena-dis-br.exp] - Rev 841
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# This testcase is part of GDB, the GNU debugger.
# Copyright 1997, 1998, 1999, 2003, 2004, 2007, 2008
# 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/>.
if $tracelevel then {
strace $tracelevel
}
global usestubs
#
# test running programs
#
set prms_id 0
set bug_id 0
set testfile "break"
set srcfile ${testfile}.c
set srcfile1 ${testfile}1.c
set binfile ${objdir}/${subdir}/${testfile}
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}0.o" object {debug nowarnings}] != "" } {
untested ena-dis-br.exp
return -1
}
if { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile}1.o" object {debug nowarnings}] != "" } {
untested ena-dis-br.exp
return -1
}
if { [gdb_compile "${binfile}0.o ${binfile}1.o" "${binfile}" executable {debug nowarnings}] != "" } {
untested ena-dis-br.exp
return -1
}
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
set bp_location8 [gdb_get_line_number "set breakpoint 8 here" $srcfile1]
set bp_location9 [gdb_get_line_number "set breakpoint 9 here" $srcfile1]
set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]
set bp_location13 [gdb_get_line_number "set breakpoint 13 here" $srcfile1]
set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $srcfile1]
set bp_location15 [gdb_get_line_number "set breakpoint 15 here" $srcfile1]
set bp_location16 [gdb_get_line_number "set breakpoint 16 here" $srcfile1]
set bp_location17 [gdb_get_line_number "set breakpoint 17 here" $srcfile1]
set bp_location18 [gdb_get_line_number "set breakpoint 18 here" $srcfile1]
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 "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 "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 "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 "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 $bp" \
".*No breakpoint or watchpoint number.*" \
"info auto-deleted break marker3"
# Verify that we can set a breakpoint and manually disable it (we've
# already proven that disabled bp's don't trigger).
set bp [break_at "marker4" " line ($bp_location14|$bp_location13).*"]
gdb_test "disable $bp" "" "disable break marker4"
gdb_test "info break $bp" \
"\[0-9\]*\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+n.*" \
"info break marker4"
# 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 "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 "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"
}
}
gdb_exit
return 0
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