Subversion Repositories openrisc_2011-10-31

# This testcase is part of GDB, the GNU debugger.

# Copyright 1997, 1998, 1999, 2003, 2004, 2007, 2008, 2009, 2010

# 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 .

if $tracelevel then {

    strace $tracelevel

}

global usestubs

#

# test running programs

#

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_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 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_no_output "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_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"

    }

}

gdb_exit

return 0