716 lines
22 KiB
Text
716 lines
22 KiB
Text
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# Copyright (C) 1992 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 2 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, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@prep.ai.mit.edu
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# This file was written by Fred Fish. (fnf@cygnus.com)
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if $tracelevel then {
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strace $tracelevel
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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 binfile "watchpoint"
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set srcfile $binfile.c
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if ![file exists $objdir/$subdir/$binfile] then {
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perror "$objdir/$subdir/$binfile does not exist."
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return 0
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}
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# Prepare for watchpoint tests by setting up two breakpoints and one
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# watchpoint.
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#
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# We use breakpoints at marker functions to get past all the startup code,
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# so we can get to the watchpoints in a reasonable amount of time from a
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# known starting point.
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#
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# For simplicity, so we always know how to reference specific breakpoints or
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# watchpoints by number, we expect a particular ordering and numbering of
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# each in the combined breakpoint/watchpoint table, as follows:
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#
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# Number What Where
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# 1 Breakpoint marker1()
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# 2 Breakpoint marker2()
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# 3 Watchpoint ival3
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proc initialize {} {
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global prompt
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global hex
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global decimal
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global srcfile
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send "break marker1\n"
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expect {
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-re "Breakpoint 1 at $hex: file .*$srcfile, line $decimal.*$prompt $" {}
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-re ".*$prompt $" { fail "set breakpoint at marker1" ; return 0 }
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timeout { fail "set breakpoint at marker1 (timeout)" ; return 0 }
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}
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send "break marker2\n"
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expect {
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-re "Breakpoint 2 at $hex: file .*$srcfile, line $decimal.*$prompt $" {}
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-re ".*$prompt $" { fail "set breakpoint at marker2" ; return 0 }
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timeout { fail "set breakpoint at marker2 (timeout)" ; return 0 }
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}
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send "info break\n"
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expect {
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-re "1\[ \]*breakpoint.*marker1.*\r\n2\[ \]*breakpoint.*marker2.*\r\n$prompt $" { }
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-re ".*$prompt $" { fail "breakpoints not setup right" ; return 0 }
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timeout { fail "info break (timeout)" ; return 0 }
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}
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send "watch ival3\n"
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expect {
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-re ".*\[Ww\]atchpoint 3: ival3\r\n$prompt $" { pass "set watchpoint" }
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-re ".*$prompt $" { fail "set watchpoint on ival3" ; return 0 }
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timeout { fail "set watchpoint on ival3 (timeout)" ; return 0 }
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}
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# "info watch" is the same as "info break"
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send "info watch\n"
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expect {
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-re "1\[ \]*breakpoint.*marker1.*\r\n2\[ \]*breakpoint.*marker2.*\r\n3\[ \]*.*watchpoint.*ival3\r\n$prompt $" {
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pass "watchpoint found in watchpoint/breakpoint table"
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}
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-re ".*$prompt $" { fail "watchpoint/breakpoint not set" ; return 0 }
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timeout { fail "info break (timeout)" ; return 0 }
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}
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# After installing the watchpoint, we disable it until we are ready
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# to use it. This allows the test program to run at full speed until
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# we get to the first marker function.
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send "disable 3\n"
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expect {
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-re "disable 3\r\n$prompt $" { pass "watchpoint disabled" }
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-re ".*$prompt $" { fail "watchpoint not disabled" ; return 0 }
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timeout { fail "watchpoint not disabled (timeout)" ; return 0 }
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}
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return 1
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}
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#
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# Test simple watchpoint.
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#
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proc test_simple_watchpoint {} {
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global prompt
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global hex
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global decimal
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# Ensure that the watchpoint is disabled when we startup.
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send "disable 3\n"
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expect {
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-re "disable 3\r\n$prompt $" { }
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-re ".*$prompt $" { fail "watchpoint not disabled" ; return 0 }
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timeout { fail "watchpoint not disabled (timeout)" ; return 0 }
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}
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# Run until we get to the first marker function.
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send "run\n"
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expect {
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-re "The program .* has been started already.* \(y or n\) $" {
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send "y\n"
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exp_continue
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}
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-re "Starting program.*Breakpoint 1, marker1 .*$prompt $" {}
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-re ".*$prompt $" { fail "run until marker1 function hit" ; return }
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timeout { fail "run until marker1 function hit (timeout)" ; return }
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}
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# After reaching the marker function, enable the watchpoint.
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send "enable 3\n"
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expect {
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-re "enable 3\r\n$prompt $" { pass "watchpoint enabled" }
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-re ".*$prompt $" { fail "watchpoint not enabled" ; return }
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timeout { fail "watchpoint not enabled (timeout)" ; return }
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}
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gdb_test "break func1" "Breakpoint.*at"
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gdb_test "set \\\$func1_breakpoint_number = \\\$bpnum" ""
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gdb_test "continue" "Continuing.*Breakpoint \[0-9\]*, func1" \
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"continue to breakpoint at func1"
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# Continue until the first change, from -1 to 0
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send "cont\n"
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expect {
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-re "Continuing.*Watchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*$prompt $" {
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pass "watchpoint hit, first time"
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}
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-re "Continuing.*Watchpoint.*ival3.*Old value = -1.*New value = 0.*for .count = 0; count < 4; count\[+)\]+ \{.*$prompt $" {
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# setup_xfail "m68*-*-sunos*" 1836
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fail "missed first watchpoint"
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return
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}
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-re "Continuing.*Breakpoint.*func1.*$prompt $" {
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setup_xfail "m68*-*-*" 2597
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fail "thought it hit breakpoint at func1 twice"
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gdb_test "delete \\\$func1_breakpoint_number" ""
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gdb_test "continue" "\
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Continuing.*Watchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count;" \
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"watchpoint hit, first time"
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}
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-re ".*$prompt $" { fail "missed first watchpoint" ; return }
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timeout { fail "run to first watchpoint (timeout)" ; return }
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eof { fail "run to first watchpoint (eof)" ; return }
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}
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gdb_test "delete \\\$func1_breakpoint_number" ""
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# Continue until the next change, from 0 to 1.
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send "cont\n"
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expect {
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-re "Continuing.*Watchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*$prompt $" {
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pass "watchpoint hit, second time"
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}
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-re ".*$prompt $" { fail "missed second watchpoint" ; return }
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timeout { fail "run to second watchpoint (timeout)" ; return }
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}
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# Continue until the next change, from 1 to 2.
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send "cont\n"
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expect {
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-re "Continuing.*Watchpoint.*ival3.*Old value = 1.*New value = 2.*ival3 = count; ival4 = count;.*$prompt $" {
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pass "watchpoint hit, third time"
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}
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-re ".*$prompt $" { fail "missed third watchpoint" ; return }
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timeout { fail "run to third watchpoint (timeout)" ; return }
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}
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# Continue until the next change, from 2 to 3.
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send "cont\n"
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expect {
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-re "Continuing.*Watchpoint.*ival3.*Old value = 2.*New value = 3.*ival3 = count; ival4 = count;.*$prompt $" {
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pass "watchpoint hit, fourth time"
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}
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-re ".*$prompt $" { fail "missed fourth watchpoint" ; return }
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timeout { fail "run to fourth watchpoint (timeout)" ; return }
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}
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# Continue until the next change, from 3 to 4.
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# Note that this one is outside the loop.
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send "cont\n"
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expect {
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-re "Continuing.*Watchpoint.*ival3.*Old value = 3.*New value = 4.*ival3 = count; ival4 = count;.*$prompt $" {
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pass "watchpoint hit, fifth time"
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}
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-re ".*$prompt $" { fail "missed fifth watchpoint" ; return }
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timeout { fail "run to fifth watchpoint (timeout)" ; return }
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}
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# Continue until we hit the finishing marker function.
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# Make sure we hit no more watchpoints.
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# This used to fail for a29k-amd-udi (PR 2421), but has been fixed.
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send "cont\n"
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expect {
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-re "Continuing.*Breakpoint.*marker2 \(\).*$prompt $" { }
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-re "Continuing.*Watchpoint.*ival3.*$prompt $" {
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fail "hit a disabled watchpoint" ; return
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}
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-re ".*$prompt $" { fail "marker2 function missed" ; return }
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timeout { fail "run to marker2 function (timeout)" ; return }
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}
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# Disable the watchpoint so we run at full speed until we exit.
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send "disable 3\n"
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expect {
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-re "disable 3\r\n$prompt $" { pass "watchpoint disabled" }
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-re ".*$prompt $" { fail "watchpoint not disabled" ; return }
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timeout { fail "watchpoint not disabled (timeout)" ; return }
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}
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# Run until process exits.
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send "cont\n"
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expect {
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-re "Continuing.*Program exited normally.*$prompt $" { }
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-re ".*$prompt $" { fail "watchpoints not removed" ; return }
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timeout { fail "looking for process exit (timeout)" }
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}
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}
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# Test disabling watchpoints.
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proc test_disabling_watchpoints {} {
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global prompt
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global binfile
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global srcfile
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global decimal
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global hex
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# Ensure that the watchpoint is disabled when we startup.
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send "disable 3\n"
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expect {
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-re "disable 3\r\n$prompt $" { }
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-re ".*$prompt $" { fail "watchpoint not disabled" ; return 0 }
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timeout { fail "watchpoint not disabled (timeout)" ; return 0 }
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}
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# Run until we get to the first marker function.
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send "run\n"
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expect {
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-re "The program .* has been started already.* \(y or n\) $" {
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send "y\n"
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exp_continue
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}
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-re "Starting program.*Breakpoint 1, marker1 .*$prompt $" {}
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-re ".*$prompt $" { fail "run until marker1 function hit" ; return }
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timeout { fail "run until marker1 function hit (timeout)" ; return }
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}
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# After reaching the marker function, enable the watchpoint.
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send "enable 3\n"
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expect {
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-re "enable 3\r\n$prompt $" { pass "watchpoint enabled" }
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-re ".*$prompt $" { fail "watchpoint not enabled" ; return }
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timeout { fail "watchpoint not enabled (timeout)" ; return }
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}
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# Continue until the first change, from -1 to 0
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# Don't check the old value, because on VxWorks the variable value
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# will not have been reinitialized.
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send "cont\n"
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expect {
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-re "Continuing.*Watchpoint.*ival3.*Old value = .*New value = 0.*ival3 = count; ival4 = count;.*$prompt $" {
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pass "watchpoint hit, first time"
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}
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-re "Continuing.*Watchpoint.*ival3.*Old value = .*New value = 0.*for .count = 0; count < 4; count\[+)]+ \{.*$prompt $" {
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# setup_xfail "m68*-*-sunos*" 1836
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fail "missed first watchpoint"
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return
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}
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-re ".*$prompt $" { fail "missed first watchpoint" ; return }
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timeout { fail "run to first watchpoint (timeout)" ; return }
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}
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# Continue until the next change, from 0 to 1.
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send "cont\n"
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expect {
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-re "Continuing.*Watchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*$prompt $" {
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pass "watchpoint hit, second time"
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}
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-re ".*$prompt $" { fail "missed second watchpoint" ; return }
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timeout { fail "run to second watchpoint (timeout)" ; return }
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}
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# Disable the watchpoint but leave breakpoints
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send "disable 3\n"
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expect {
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-re "disable 3\r\n$prompt $" { }
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-re ".*$prompt $" { fail "watchpoint not disabled" ; return 0 }
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timeout { fail "watchpoint not disabled (timeout)" ; return 0 }
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}
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# Check watchpoint list, looking for the entry that confirms the
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# watchpoint is disabled.
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send "info watchpoints\n"
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expect {
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-re "3\[ \]*.*watchpoint\[ \]*keep\[ \]*n\[ \]*ival3\r\n.*$prompt $" {
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pass "watchpoint disabled in table"
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}
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-re ".*$prompt $" {
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fail "disabled watchpoint not found in table"
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}
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timeout { fail "info watchpoints (timeout)" }
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}
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# Continue until we hit the finishing marker function.
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# Make sure we hit no more watchpoints.
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send "cont\n"
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expect {
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-re "Continuing.*Breakpoint.*marker2 \[)(\]+.*$prompt $" {
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pass "disabled watchpoint skipped"
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}
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-re "Continuing.*Watchpoint.*ival3.*$prompt $" {
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fail "hit a disabled watchpoint" ; return
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}
|
||
|
|
-re ".*$prompt $" { fail "marker2 function missed" ; return }
|
||
|
|
timeout { fail "run to marker2 function (timeout)" ; return }
|
||
|
|
}
|
||
|
|
|
||
|
|
send "cont\n"
|
||
|
|
expect {
|
||
|
|
-re "Continuing.*Program exited normally.*$prompt $" { }
|
||
|
|
-re ".*$prompt $" { fail "watchpoints not removed" ; return }
|
||
|
|
timeout { fail "looking for process exit (timeout)" }
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
# Test stepping and other mundane operations with watchpoints enabled
|
||
|
|
proc test_stepping {} {
|
||
|
|
global prompt
|
||
|
|
|
||
|
|
if [runto marker1] then {
|
||
|
|
gdb_test "watch ival2" ".*\[Ww\]atchpoint \[0-9\]*: ival2"
|
||
|
|
|
||
|
|
# Well, let's not be too mundane. It should be a *bit* of a challenge
|
||
|
|
gdb_test "break func2 if 0" "Breakpoint.*at"
|
||
|
|
gdb_test "p \\\$func2_breakpoint_number = \\\$bpnum" "="
|
||
|
|
|
||
|
|
# The HPPA has a problem here.
|
||
|
|
if [ istarget "hppa*-*-*" ] then {
|
||
|
|
# Don't actually try doing the call, if we do we can't continue.
|
||
|
|
setup_xfail "*-*-*"
|
||
|
|
fail "calling function with watchpoint enabled"
|
||
|
|
} else {
|
||
|
|
# The problem is that GDB confuses stepping through the call
|
||
|
|
# dummy with hitting the breakpoint at the end of the call dummy.
|
||
|
|
# Will be fixed once all architectures define
|
||
|
|
# CALL_DUMMY_BREAKPOINT_OFFSET.
|
||
|
|
setup_xfail "*-*-*"
|
||
|
|
# This doesn't occur if the call dummy starts with a call,
|
||
|
|
# because we are out of the dummy by the first time the inferior
|
||
|
|
# stops.
|
||
|
|
clear_xfail "m68*-*-*"
|
||
|
|
clear_xfail "i*86*-*-*"
|
||
|
|
clear_xfail "vax-*-*"
|
||
|
|
# The following architectures define CALL_DUMMY_BREAKPOINT_OFFSET.
|
||
|
|
clear_xfail "alpha-*-*"
|
||
|
|
clear_xfail "mips*-*-*"
|
||
|
|
clear_xfail "sparc-*-*"
|
||
|
|
gdb_test "p func1 ()" "= 73" \
|
||
|
|
"calling function with watchpoint enabled"
|
||
|
|
}
|
||
|
|
|
||
|
|
#
|
||
|
|
# "finish" brings us back to main.
|
||
|
|
# On some targets (e.g. alpha) gdb will stop from the finish in midline
|
||
|
|
# of the marker1 call. This is due to register restoring code on
|
||
|
|
# the alpha and might be caused by stack adjustment instructions
|
||
|
|
# on other targets. In this case we will step once more.
|
||
|
|
#
|
||
|
|
send "finish\n"
|
||
|
|
expect {
|
||
|
|
-re "Run.*exit from.*marker1.*main.* at" { }
|
||
|
|
default { fail "finish from marker1" ; return }
|
||
|
|
}
|
||
|
|
expect {
|
||
|
|
-re "marker1 \[)(\]+;.*$prompt $" {
|
||
|
|
send "step\n"
|
||
|
|
exp_continue
|
||
|
|
}
|
||
|
|
-re "func1 \[)(\]+;.*$prompt $" {
|
||
|
|
pass "finish from marker1"
|
||
|
|
}
|
||
|
|
-re ".*$prompt $" {
|
||
|
|
fail "finish from marker1"
|
||
|
|
}
|
||
|
|
default { fail "finish from marker1" ; return }
|
||
|
|
}
|
||
|
|
|
||
|
|
gdb_test "next" "for \[(\]+count = 0"
|
||
|
|
|
||
|
|
# Now test that "until" works. It's a bit tricky to test
|
||
|
|
# "until", because compilers don't always arrange the code
|
||
|
|
# exactly the same way, and we might get slightly different
|
||
|
|
# sequences of statements. But the following should be true
|
||
|
|
# (if not it is a compiler or a debugger bug): The user who
|
||
|
|
# does "until" at every statement of a loop should end up
|
||
|
|
# stepping through the loop once, and the debugger should not
|
||
|
|
# stop for any of the remaining iterations.
|
||
|
|
|
||
|
|
gdb_test "until" "ival1 = count"
|
||
|
|
gdb_test "until" "ival3 = count"
|
||
|
|
send "until\n"
|
||
|
|
expect {
|
||
|
|
-re "(for \[(\]+count = 0|\}).*$prompt $" {
|
||
|
|
gdb_test "until" "ival1 = count; /. Outside loop ./"
|
||
|
|
}
|
||
|
|
-re "ival1 = count; /. Outside loop ./.*$prompt $" {
|
||
|
|
pass "until out of loop"
|
||
|
|
}
|
||
|
|
-re ".*$prompt $" {
|
||
|
|
fail "until out of loop"
|
||
|
|
}
|
||
|
|
default { fail "until out of loop" ; return }
|
||
|
|
}
|
||
|
|
|
||
|
|
gdb_test "step" "ival2 = count"
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
# Test stepping and other mundane operations with watchpoints enabled
|
||
|
|
proc test_watchpoint_triggered_in_syscall {} {
|
||
|
|
global prompt
|
||
|
|
global timeout
|
||
|
|
|
||
|
|
set saved_timeout $timeout
|
||
|
|
|
||
|
|
# Run until we get to the first marker function.
|
||
|
|
set x 0
|
||
|
|
set y 0
|
||
|
|
set testname "Watch buffer passed to read syscall"
|
||
|
|
if [runto marker2] then {
|
||
|
|
gdb_test "watch buf\\\[0\\\]" ".*\[Ww\]atchpoint \[0-9\]*: buf"
|
||
|
|
gdb_test "watch buf\\\[1\\\]" ".*\[Ww\]atchpoint \[0-9\]*: buf"
|
||
|
|
gdb_test "watch buf\\\[2\\\]" ".*\[Ww\]atchpoint \[0-9\]*: buf"
|
||
|
|
gdb_test "watch buf\\\[3\\\]" ".*\[Ww\]atchpoint \[0-9\]*: buf"
|
||
|
|
gdb_test "watch buf\\\[4\\\]" ".*\[Ww\]atchpoint \[0-9\]*: buf"
|
||
|
|
gdb_test "break marker4" ".*Breakpoint.*"
|
||
|
|
|
||
|
|
send "set doread = 1\n"
|
||
|
|
expect {
|
||
|
|
-re ".*$prompt $" { }
|
||
|
|
timeout { fail "set doread" ; return }
|
||
|
|
}
|
||
|
|
|
||
|
|
# Sometimes our string never gets to GDB?!? dejagnu bug? Whatever
|
||
|
|
# the cause we'll set a reasonably short timeout and resend our
|
||
|
|
# string again if we timeout.
|
||
|
|
set timeout 10
|
||
|
|
send "continue\n"
|
||
|
|
send "123\n"
|
||
|
|
expect {
|
||
|
|
-re ".*Watchpoint.*buf\\\[0\\\].*Old value = 0.*New value = 49\[^\n\]*\n" { set x [expr $x+1] ; exp_continue }
|
||
|
|
-re ".*Watchpoint.*buf\\\[1\\\].*Old value = 0.*New value = 50\[^\n\]*\n" { set x [expr $x+1] ; exp_continue }
|
||
|
|
-re ".*Watchpoint.*buf\\\[2\\\].*Old value = 0.*New value = 51\[^\n\]*\n" { set x [expr $x+1] ; exp_continue }
|
||
|
|
-re ".*Watchpoint.*buf\\\[3\\\].*Old value = 0.*New value = 10\[^\n\]*\n" { set x [expr $x+1] ; exp_continue }
|
||
|
|
-re ".*$prompt $" { }
|
||
|
|
timeout {
|
||
|
|
set timeout $saved_timeout
|
||
|
|
send "123\n"
|
||
|
|
exp_continue
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
# Restore the timeout value.
|
||
|
|
set timeout $saved_timeout
|
||
|
|
|
||
|
|
# Examine the values in buf to see how many watchpoints we
|
||
|
|
# should have printed.
|
||
|
|
send "print buf\[0\]\n"
|
||
|
|
expect {
|
||
|
|
-re ".*= 49.*$prompt $" { set y [expr $y+1] }
|
||
|
|
-re ".*= 0" { }
|
||
|
|
default { fail "bogus value in buf[0]" }
|
||
|
|
timeout { fail "retrieving contents of buf variable (timeout) }
|
||
|
|
}
|
||
|
|
send "print buf\[1\]\n"
|
||
|
|
expect {
|
||
|
|
-re ".*= 50.*$prompt $" { set y [expr $y+1] }
|
||
|
|
-re ".*= 0" { }
|
||
|
|
default { fail "bogus value in buf[1]" }
|
||
|
|
timeout { fail "retrieving contents of buf variable (timeout) }
|
||
|
|
}
|
||
|
|
send "print buf\[2\]\n"
|
||
|
|
expect {
|
||
|
|
-re ".*= 51.*$prompt $" { set y [expr $y+1] }
|
||
|
|
-re ".*= 0" { }
|
||
|
|
default { fail "bogus value in buf[2]" }
|
||
|
|
timeout { fail "retrieving contents of buf variable (timeout) }
|
||
|
|
}
|
||
|
|
send "print buf\[3\]\n"
|
||
|
|
expect {
|
||
|
|
-re ".*= 10.*$prompt $" { set y [expr $y+1] }
|
||
|
|
-re ".*= 0" { }
|
||
|
|
default { fail "bogus value in buf[3]" }
|
||
|
|
timeout { fail "retrieving contents of buf variable (timeout) }
|
||
|
|
}
|
||
|
|
|
||
|
|
# Did we find what we were looking for? If not, flunk it.
|
||
|
|
if [expr $x==$y] then { pass $testname } else { fail "$testname: Only triggered $x watchpoints, expected $y."}
|
||
|
|
|
||
|
|
# Continue until we hit the finishing marker function.
|
||
|
|
# Make sure we hit no more watchpoints.
|
||
|
|
|
||
|
|
send "cont\n"
|
||
|
|
expect {
|
||
|
|
-re "Continuing.*Breakpoint.*marker4 \[)(\]+.*$prompt $" {
|
||
|
|
pass "disabled watchpoint skipped"
|
||
|
|
}
|
||
|
|
-re "Continuing.*Watchpoint.*$prompt $" {
|
||
|
|
fail "hit suprious watchpoint" ; return
|
||
|
|
}
|
||
|
|
-re ".*$prompt $" { fail "marker4 function missed" ; return }
|
||
|
|
timeout { fail "run to marker4 function (timeout)" ; return }
|
||
|
|
}
|
||
|
|
|
||
|
|
# Disable everything so we can finish the program at full speed
|
||
|
|
send "disable\n"
|
||
|
|
expect {
|
||
|
|
-re ".*$prompt $" { }
|
||
|
|
timeout { fail "disabling breakpoints (timeout)" }
|
||
|
|
}
|
||
|
|
|
||
|
|
send "cont\n"
|
||
|
|
expect {
|
||
|
|
-re "Continuing.*Program exited normally.*$prompt $" { }
|
||
|
|
-re ".*$prompt $" { fail "watchpoints not removed" ; return }
|
||
|
|
timeout { fail "looking for process exit (timeout)" }
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
# Do a simple test of of watching through a pointer when the pointer
|
||
|
|
# itself changes. Should add some more complicated stuff here.
|
||
|
|
|
||
|
|
proc test_complex_watchpoint {} {
|
||
|
|
global prompt
|
||
|
|
|
||
|
|
set testname "Test complex watchpoint"
|
||
|
|
if [runto marker4] then {
|
||
|
|
gdb_test "watch ptr1->val" ".*\[Ww\]atchpoint \[0-9\]*: ptr1->val"
|
||
|
|
gdb_test "break marker5" ".*Breakpoint.*"
|
||
|
|
|
||
|
|
send "cont\n"
|
||
|
|
expect {
|
||
|
|
-re "Continuing.*Watchpoint.*ptr1->val.*Old value = 1.*New value = 2.*$prompt $" { pass $testname }
|
||
|
|
default { fail $testname ; return }
|
||
|
|
}
|
||
|
|
|
||
|
|
# Continue until we hit the marker5 function.
|
||
|
|
# Make sure we hit no more watchpoints.
|
||
|
|
|
||
|
|
send "cont\n"
|
||
|
|
expect {
|
||
|
|
-re "Continuing.*Breakpoint.*marker5 \[)(\]+.*$prompt $" {
|
||
|
|
pass "did not trigger wrong watchpoint"
|
||
|
|
}
|
||
|
|
-re "Continuing.*Watchpoint.*$prompt $" {
|
||
|
|
fail "hit wrong watchpoint" ; return
|
||
|
|
}
|
||
|
|
-re ".*$prompt $" { fail "marker5 function missed" ; return }
|
||
|
|
timeout { fail "run to marker5 function (timeout)" ; return }
|
||
|
|
}
|
||
|
|
|
||
|
|
# Disable everything so we can finish the program at full speed
|
||
|
|
send "disable\n"
|
||
|
|
expect {
|
||
|
|
-re ".*$prompt $" { }
|
||
|
|
timeout { fail "disabling breakpoints (timeout)" }
|
||
|
|
}
|
||
|
|
|
||
|
|
send "cont\n"
|
||
|
|
expect {
|
||
|
|
-re "Continuing.*Program exited normally.*$prompt $" { }
|
||
|
|
-re ".*$prompt $" { fail "watchpoints not removed" ; return }
|
||
|
|
timeout { fail "looking for process exit (timeout)" }
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
# Start with a fresh gdb.
|
||
|
|
|
||
|
|
gdb_exit
|
||
|
|
gdb_start
|
||
|
|
gdb_reinitialize_dir $srcdir/$subdir
|
||
|
|
gdb_load $objdir/$subdir/$binfile
|
||
|
|
|
||
|
|
if [initialize] then {
|
||
|
|
|
||
|
|
# Preserve the old timeout, and set a new one that should be
|
||
|
|
# sufficient to step from marker1 to marker2 with watchpoints
|
||
|
|
# set anywhere.
|
||
|
|
|
||
|
|
set timeoutsave $timeout
|
||
|
|
set timeout 60
|
||
|
|
|
||
|
|
test_simple_watchpoint
|
||
|
|
|
||
|
|
# The IDT/sim monitor only has 8 (!) open files, of which it uses
|
||
|
|
# 4 (!). So we have to make sure one program exits before
|
||
|
|
# starting another one.
|
||
|
|
if [istarget "mips-idt-*"] then {
|
||
|
|
gdb_exit
|
||
|
|
gdb_start
|
||
|
|
gdb_reinitialize_dir $srcdir/$subdir
|
||
|
|
gdb_load $objdir/$subdir/$binfile
|
||
|
|
initialize
|
||
|
|
}
|
||
|
|
|
||
|
|
if [istarget "a29k-*-udi"] then {
|
||
|
|
# FIXME: If PR 2415 is fixed, this is not needed.
|
||
|
|
gdb_target_udi
|
||
|
|
gdb_load $objdir/$subdir/$binfile
|
||
|
|
}
|
||
|
|
|
||
|
|
test_disabling_watchpoints
|
||
|
|
|
||
|
|
# See above.
|
||
|
|
if [istarget "mips-idt-*"] then {
|
||
|
|
gdb_exit
|
||
|
|
gdb_start
|
||
|
|
gdb_reinitialize_dir $srcdir/$subdir
|
||
|
|
gdb_load $objdir/$subdir/$binfile
|
||
|
|
initialize
|
||
|
|
}
|
||
|
|
|
||
|
|
test_stepping
|
||
|
|
|
||
|
|
# See above.
|
||
|
|
if [istarget "mips-idt-*"] then {
|
||
|
|
gdb_exit
|
||
|
|
gdb_start
|
||
|
|
gdb_reinitialize_dir $srcdir/$subdir
|
||
|
|
gdb_load $objdir/$subdir/$binfile
|
||
|
|
initialize
|
||
|
|
}
|
||
|
|
|
||
|
|
# This test hasn't been tested on anything but the PA.
|
||
|
|
if [istarget "hppa*-*-*"] then {
|
||
|
|
test_watchpoint_triggered_in_syscall
|
||
|
|
}
|
||
|
|
|
||
|
|
# See above.
|
||
|
|
if [istarget "mips-idt-*"] then {
|
||
|
|
gdb_exit
|
||
|
|
gdb_start
|
||
|
|
gdb_reinitialize_dir $srcdir/$subdir
|
||
|
|
gdb_load $objdir/$subdir/$binfile
|
||
|
|
initialize
|
||
|
|
}
|
||
|
|
|
||
|
|
# This test hasn't been tested on anything but the PA.
|
||
|
|
if [istarget "hppa*-*-*"] then {
|
||
|
|
test_complex_watchpoint
|
||
|
|
}
|
||
|
|
|
||
|
|
# Restore the preserved old timeout value.
|
||
|
|
|
||
|
|
set timeout $timeoutsave
|
||
|
|
}
|
||
|
|
|
||
|
|
if [istarget "a29k-*-udi"] then {
|
||
|
|
# FIXME: If PR 2415 is fixed, this is not needed.
|
||
|
|
gdb_target_udi
|
||
|
|
}
|