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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
commit071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch)
tree5deda65b8d7b04d1f4cbc534c3206d328e1267ec /gdb/testsuite/gdb.hp/watch-hp.exp
parent1730ec6b1848f0f32154277f788fb29f88d8475b (diff)
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Initial creation of sourceware repository
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-# Copyright (C) 1992, 1994, 1997 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 2 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, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-# Please email any bugs, comments, and/or additions to this file to:
-# bug-gdb@prep.ai.mit.edu
-
-# This file was written by Fred Fish. (fnf@cygnus.com)
-
-if $tracelevel then {
- strace $tracelevel
-}
-
-set prms_id 0
-set bug_id 0
-
-set testfile "watch-hp"
-set srcfile ${testfile}.c
-set binfile ${objdir}/${subdir}/${testfile}
-if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
- gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
-}
-
-if [get_compiler_info ${binfile}] {
- return -1;
-}
-if {[skip_hp_tests $gcc_compiled]} then { continue }
-
-# Prepare for watchpoint tests by setting up two breakpoints and one
-# watchpoint.
-#
-# We use breakpoints at marker functions to get past all the startup code,
-# so we can get to the watchpoints in a reasonable amount of time from a
-# known starting point.
-#
-# For simplicity, so we always know how to reference specific breakpoints or
-# watchpoints by number, we expect a particular ordering and numbering of
-# each in the combined breakpoint/watchpoint table, as follows:
-#
-# Number What Where
-# 1 Breakpoint marker1()
-# 2 Breakpoint marker2()
-# 3 Watchpoint ival3
-
-proc initialize {} {
- global gdb_prompt
- global hex
- global decimal
- global srcfile
-
- if [gdb_test "break marker1" "Breakpoint 1 at $hex: file .*$srcfile, line $decimal.*" "set breakpoint at marker1" ] {
- return 0;
- }
-
-
- if [gdb_test "break marker2" "Breakpoint 2 at $hex: file .*$srcfile, line $decimal.*" "set breakpoint at marker2" ] {
- return 0;
- }
-
-
- if [gdb_test "info break" "1\[ \]*breakpoint.*marker1.*\r\n2\[ \]*breakpoint.*marker2.*" "info break in watchpoint.exp" ] {
- return 0;
- }
-
-# ??rehrauer: To fix DTS #CHFts23014, in which setting a watchpoint
-# before running can cause the inferior to croak on HP-UX 10.30 and
-# 11.0 for reasons as yet unknown, we've disabled the ability to set
-# watches without a running inferior. Verify the restriction.
-#
- send_gdb "watch ival3\n"
- gdb_expect {
- -re ".*can't do that without a running program; try \"break main\", \"run\" first.*$gdb_prompt $" {
- pass "set watchpoint on ival3"
- }
- -re ".*$gdb_prompt $" { fail "set watchpoint on ival3" }
- timeout { fail "set watchpoint on ival3 (timeout)" }
- }
-
-
-# if [gdb_test "watch ival3" ".*\[Ww\]atchpoint 3: ival3" "set watchpoint on ival3" ] {
-# return 0;
-# }
-
-
- # "info watch" is the same as "info break"
-
-# if [gdb_test "info watch" "1\[ \]*breakpoint.*marker1.*\r\n2\[ \]*breakpoint.*marker2.*\r\n3\[ \]*.*watchpoint.*ival3" "watchpoint found in watchpoint/breakpoint table" ] {
-# return 0;
-# }
-
-
- # After installing the watchpoint, we disable it until we are ready
- # to use it. This allows the test program to run at full speed until
- # we get to the first marker function.
-
-# if [gdb_test "disable 3" "disable 3\[\r\n\]+" "disable watchpoint" ] {
-# return 0;
-# }
-
-
- return 1
-}
-
-#
-# Test simple watchpoint.
-#
-
-proc test_simple_watchpoint {} {
- global gdb_prompt
- global hex
- global decimal
-
- # Ensure that the watchpoint is disabled when we startup.
-
-# if [gdb_test "disable 3" "^disable 3\[\r\n\]+" "disable watchpoint in test_simple_watchpoint" ] {
-# return 0;
-# }
-
-
- # Run until we get to the first marker function.
-
- gdb_run_cmd
- set timeout 600
- gdb_expect {
- -re "Breakpoint 1, marker1 .*$gdb_prompt $" {
- pass "run to marker1 in test_simple_watchpoint"
- }
- -re ".*$gdb_prompt $" {
- fail "run to marker1 in test_simple_watchpoint"
- return
- }
- timeout {
- fail "run to marker1 in test_simple_watchpoint (timeout)"
- return
- }
- }
-#************************
-
-# ??rehrauer: To fix DTS #CHFts23014, in which setting a watchpoint
-# before running can cause the inferior to croak on HP-UX 10.30 and
-# 11.0 for reasons as yet unknown, we've disabled the ability to set
-# watches without a running inferior. The following testpoints used
-# to be in [initialize].
-#
- send_gdb "watch ival3\n"
- gdb_expect {
- -re ".*\[Ww\]atchpoint 3: ival3\r\n$gdb_prompt $" {
- pass "set watchpoint on ival3"
- }
- -re ".*$gdb_prompt $" { fail "set watchpoint on ival3" }
- timeout { fail "set watchpoint on ival3 (timeout)" }
- }
-
- # "info watch" is the same as "info break"
-
- send_gdb "info watch\n"
- gdb_expect {
- -re "1\[ \]*breakpoint.*marker1.*\r\n2\[ \]*breakpoint.*marker2.*\r\n3\[ \]*.*watchpoint.*ival3\r\n$gdb_prompt $" {
- pass "watchpoint found in watchpoint/breakpoint table"
- }
- -re ".*$gdb_prompt $" {
- fail "watchpoint found in watchpoint/breakpoint table"
- }
- timeout {
- fail "watchpoint found in watchpoint/breakpoint table"
- }
- }
-
- # After installing the watchpoint, we disable it until we are ready
- # to use it. This allows the test program to run at full speed until
- # we get to the first marker function.
-
- send_gdb "disable 3\n"
- gdb_expect {
- -re "disable 3\[\r\n\]+$gdb_prompt $" { pass "disable watchpoint" }
- -re ".*$gdb_prompt $" { fail "disable watchpoint" }
- timeout { fail "disable watchpoint (timeout)" }
- }
-#******
- # After reaching the marker function, enable the watchpoint.
-
- if [gdb_test "enable 3" "^enable 3\[\r\n\]+" "enable watchpoint" ] {
- return ;
- }
-
-
- gdb_test "break func1" "Breakpoint.*at.*"
- gdb_test "set \$func1_breakpoint_number = \$bpnum" ""
-
- gdb_test "continue" "Continuing.*Breakpoint \[0-9\]*, func1.*" \
- "continue to breakpoint at func1"
-
- # Continue until the first change, from -1 to 0
-
- send_gdb "cont\n"
- gdb_expect {
- -re "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*$gdb_prompt $" {
- pass "watchpoint hit, first time"
- }
- -re "Continuing.*Breakpoint.*func1.*$gdb_prompt $" {
- setup_xfail "m68*-*-*" 2597
- fail "thought it hit breakpoint at func1 twice"
- gdb_test "delete \$func1_breakpoint_number" ""
- gdb_test "continue" "\
-Continuing.*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count;" \
- "watchpoint hit, first time"
- }
- -re ".*$gdb_prompt $" { fail "watchpoint hit, first time" ; return }
- timeout { fail "watchpoint hit, first time (timeout)" ; return }
- eof { fail "watchpoint hit, first time (eof)" ; return }
- }
-
- gdb_test "delete \$func1_breakpoint_number" ""
-
- # Continue until the next change, from 0 to 1.
- gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*" "watchpoint hit, second time"
-
- # Continue until the next change, from 1 to 2.
- gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 2.*ival3 = count; ival4 = count;.*" "watchpoint hit, third time"
-
- # Continue until the next change, from 2 to 3.
- gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 3.*ival3 = count; ival4 = count;.*" "watchpoint hit, fourth time"
-
- # Continue until the next change, from 3 to 4.
- # Note that this one is outside the loop.
-
- gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 4.*ival3 = count; ival4 = count;.*" "watchpoint hit, fifth time"
-
- # Continue until we hit the finishing marker function.
- # Make sure we hit no more watchpoints.
-
- gdb_test "cont" "Continuing.*Breakpoint.*marker2 \(\).*" \
- "continue to marker2"
-
- # Disable the watchpoint so we run at full speed until we exit.
-
- if [gdb_test "disable 3" "^disable 3\[\r\n\]+" "watchpoint disabled" ] {
- return ;
- }
-
-
- # Run until process exits.
-
- if [target_info exists gdb,noresults] { return }
-
- gdb_test "cont" "Continuing.*Program exited normally.*" \
- "continue to exit in test_simple_watchpoint"
-}
-
-# Test disabling watchpoints.
-
-proc test_disabling_watchpoints {} {
- global gdb_prompt
- global binfile
- global srcfile
- global decimal
- global hex
-
- # Ensure that the watchpoint is disabled when we startup.
-
- if [gdb_test "disable 3" "^disable 3\[\r\n\]+" "disable watchpoint in test_disabling_watchpoints" ] {
- return 0;
- }
-
-
- # Run until we get to the first marker function.
-
- gdb_run_cmd
- set timeout 600
- gdb_expect {
- -re "Breakpoint 1, marker1 .*$gdb_prompt $" {
- pass "run to marker1 in test_disabling_watchpoints"
- }
- -re ".*$gdb_prompt $" {
- fail "run to marker1 in test_disabling_watchpoints"
- return
- }
- timeout {
- fail "run to marker1 in test_disabling_watchpoints (timeout)"
- return
- }
- }
-
- # After reaching the marker function, enable the watchpoint.
-
- if [gdb_test "enable 3" "^enable 3\[\r\n\]+" "watchpoint enabled" ] {
- return ;
- }
-
-
- # Continue until the first change, from -1 to 0
- # Don't check the old value, because on VxWorks the variable value
- # will not have been reinitialized.
- gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = .*New value = 0.*ival3 = count; ival4 = count;.*" "watchpoint hit in test_disabling_watchpoints, first time"
-
- # Continue until the next change, from 0 to 1.
- gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*" "watchpoint hit in test_disabling_watchpoints, second time"
-
- # Disable the watchpoint but leave breakpoints
-
- if [gdb_test "disable 3" "^disable 3\[\r\n\]+" "disable watchpoint #2 in test_disabling_watchpoints" ] {
- return 0;
- }
-
-
- # Check watchpoint list, looking for the entry that confirms the
- # watchpoint is disabled.
- gdb_test "info watchpoints" "3\[ \]*.*watchpoint\[ \]*keep\[ \]*n\[ \]*ival3\r\n.*" "watchpoint disabled in table"
-
- # Continue until we hit the finishing marker function.
- # Make sure we hit no more watchpoints.
- gdb_test "cont" "Continuing.*Breakpoint.*marker2 \\(\\).*" \
- "disabled watchpoint skipped"
-
- if [target_info exists gdb,noresults] { return }
-
- gdb_test "cont" "Continuing.*Program exited normally.*" \
- "continue to exit in test_disabling_watchpoints"
-}
-
-# Test stepping and other mundane operations with watchpoints enabled
-proc test_stepping {} {
- global gdb_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 it's not using hardware watchpoints
- if {[ istarget "hppa*-*-*" ] && ![ istarget "hppa*-*-*bsd*" ]} 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 "d10v*-*-*"
- 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-*-*"
- clear_xfail "hppa*-*-*bsd*"
- # It works with the generic inferior function calling code too.
- clear_xfail "mn10200*-*-*"
- clear_xfail "mn10300*-*-*"
- 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_gdb "finish\n"
- gdb_expect {
- -re "Run.*exit from.*marker1.* at" { }
- default { fail "finish from marker1" ; return }
- }
-
- gdb_expect {
- -re "marker1 \\(\\);.*$gdb_prompt $" {
- send_gdb "step\n"
- exp_continue
- }
- -re "func1 \\(\\);.*$gdb_prompt $" {
- pass "finish from marker1"
- }
- -re ".*$gdb_prompt $" {
- fail "finish from marker1"
- }
- default { fail "finish from marker1" ; return }
- }
-
- gdb_test "next" "for \\(count = 0.*" "next to `for' in watchpoint.exp"
-
- # Now test that "until" works. It's a bit tricky to test
- # "until", because compilers don't always arrange the code
- # exactly the same way, and we might get slightly different
- # sequences of statements. But the following should be true
- # (if not it is a compiler or a debugger bug): The user who
- # does "until" at every statement of a loop should end up
- # stepping through the loop once, and the debugger should not
- # stop for any of the remaining iterations.
-
- gdb_test "until" "ival1 = count.*" "until to ival1 assignment"
- gdb_test "until" "ival3 = count.*" "until to ival3 assignment"
- send_gdb "until\n"
- gdb_expect {
- -re "(for \\(count = 0|\}).*$gdb_prompt $" {
- gdb_test "until" "ival1 = count; /. Outside loop ./" \
- "until out of loop"
- }
- -re "ival1 = count; /. Outside loop ./.*$gdb_prompt $" {
- pass "until out of loop"
- }
- -re ".*$gdb_prompt $" {
- fail "until out of loop"
- }
- default { fail "until out of loop" ; return }
- }
-
- gdb_test "step" "ival2 = count.*" "step to ival2 assignment"
- }
-}
-
-# Test stepping and other mundane operations with watchpoints enabled
-proc test_watchpoint_triggered_in_syscall {} {
- global gdb_prompt
-
- if [target_info exists gdb,noinferiorio] {
- verbose "Skipping test_watchpoint_triggered_in_syscall due to noinferiorio"
- return
- }
- # 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\\\[0\\\]"
- gdb_test "watch buf\[1\]" ".*\[Ww\]atchpoint \[0-9\]*: buf\\\[1\\\]"
- gdb_test "watch buf\[2\]" ".*\[Ww\]atchpoint \[0-9\]*: buf\\\[2\\\]"
- gdb_test "watch buf\[3\]" ".*\[Ww\]atchpoint \[0-9\]*: buf\\\[3\\\]"
- gdb_test "watch buf\[4\]" ".*\[Ww\]atchpoint \[0-9\]*: buf\\\[4\\\]"
- gdb_test "break marker4" ".*Breakpoint.*"
-
- gdb_test "set doread = 1" ""
-
- # If we send_gdb "123\n" before gdb has switched the tty, then it goes
- # to gdb, not the inferior, and we lose. So that is why we have
- # watchpoint.c prompt us, so we can wait for that prompt.
- send_gdb "continue\n";
- gdb_expect {
- -re "Continuing\\.\r\ntype stuff for buf now:" {
- pass "continue to read"
- }
- default {
- fail "continue to read";
- return ;
- }
- }
-
- send_gdb "123\n"
- gdb_expect {
- -re ".*\[Ww\]atchpoint.*buf\\\[0\\\].*Old value = 0.*New value = 49\[^\n\]*\n" { set x [expr $x+1] ; exp_continue }
- -re ".*\[Ww\]atchpoint.*buf\\\[1\\\].*Old value = 0.*New value = 50\[^\n\]*\n" { set x [expr $x+1] ; exp_continue }
- -re ".*\[Ww\]atchpoint.*buf\\\[2\\\].*Old value = 0.*New value = 51\[^\n\]*\n" { set x [expr $x+1] ; exp_continue }
- -re ".*\[Ww\]atchpoint.*buf\\\[3\\\].*Old value = 0.*New value = 10\[^\n\]*\n" { set x [expr $x+1] ; exp_continue }
- -re ".*$gdb_prompt $" { pass "sent 123" }
- timeout { fail "sent 123 (timeout)" }
- }
-
- # Examine the values in buf to see how many watchpoints we
- # should have printed.
- send_gdb "print buf\[0\]\n"
- gdb_expect {
- -re ".*= 49.*$gdb_prompt $" { set y [expr $y+1]; pass "print buf\[0\]"}
- -re ".*= 0.*$gdb_prompt $" { pass "print buf\[0\]"}
- -re ".*$gdb_prompt $" { fail "print buf\[0\]"}
- default { fail "print buf\[0\]"}
- }
- send_gdb "print buf\[1\]\n"
- gdb_expect {
- -re ".*= 50.*$gdb_prompt $" { set y [expr $y+1]; pass "print buf\[1\]"}
- -re ".*= 0.*$gdb_prompt $" { pass "print buf\[1\]"}
- -re ".*$gdb_prompt $" { fail "print buf\[1\]"}
- default { fail "print buf\[1\]"}
- }
- send_gdb "print buf\[2\]\n"
- gdb_expect {
- -re ".*= 51.*$gdb_prompt $" { set y [expr $y+1]; pass "print buf\[2\]"}
- -re ".*= 0.*$gdb_prompt $" { pass "print buf\[2\]"}
- -re ".*$gdb_prompt $" { fail "print buf\[2\]"}
- default { fail "print buf\[2\]"}
- }
- send_gdb "print buf\[3\]\n"
- gdb_expect {
- -re ".*= 10.*$gdb_prompt $" { set y [expr $y+1]; pass "print buf\[3\]"}
- -re ".*= 0.*$gdb_prompt $" { pass "print buf\[3\]"}
- -re ".*$gdb_prompt $" { fail "print buf\[3\]" }
- default { fail "print buf\[3\]" }
- }
-
- # 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.
- gdb_test "cont" "Continuing.*Breakpoint.*marker4 \\(\\).*" \
- "continue to marker4"
-
- # Disable everything so we can finish the program at full speed
- gdb_test "disable" "" "disable in test_watchpoint_triggered_in_syscall"
-
- if [target_info exists gdb,noresults] { return }
-
- gdb_test "cont" "Continuing.*Program exited normally.*" \
- "continue to exit in test_watchpoint_triggered_in_syscall"
- }
-}
-
-# 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 gdb_prompt
-
- if [runto marker4] then {
- gdb_test "watch ptr1->val" ".*\[Ww\]atchpoint \[0-9\]*: ptr1->val"
- gdb_test "break marker5" ".*Breakpoint.*"
-
- gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ptr1->val.*Old value = 1.*New value = 2.*" "Test complex watchpoint"
-
- # Continue until we hit the marker5 function.
- # Make sure we hit no more watchpoints.
-
- gdb_test "cont" "Continuing.*Breakpoint.*marker5 \\(\\).*" \
- "did not trigger wrong watchpoint"
-#********************
- # Test watches of things declared locally in a function.
- # In particular, test that a watch of stack-based things
- # is deleted when the stack-based things go out of scope.
- #
- gdb_test "disable" "" "disable in test_complex_watchpoint"
- gdb_test "break marker6" ".*Breakpoint.*"
- gdb_test "cont" "Continuing.*Breakpoint.*marker6 \\(\\).*" \
- "continue to marker6"
- gdb_test "break func2" ".*Breakpoint.*"
- gdb_test "cont" "Continuing.*func2.*"
-
- # Test a watch of a single stack-based variable, whose scope
- # is the function we're now in. This should auto-delete when
- # execution exits the scope of the watchpoint.
- #
- gdb_test "watch local_a" ".*\[Ww\]atchpoint \[0-9\]*: local_a" "set local watch"
- gdb_test "cont" "\[Ww\]atchpoint.*local_a.*" "trigger local watch"
- gdb_test "cont" "Continuing.*Watchpoint .* deleted because the program has left the block in.*which its expression is valid.*" "self-delete local watch"
-
- # after func2 returned, gdb stopped and deleted the watchpoint
- # we're now in main, let's get to func2
- gdb_test "cont" "Continuing.*func2.*"
-
- # We should be in "func2" again now. Test a watch of an
- # expression which includes both a stack-based local and
- # something whose scope is larger than this invocation
- # of "func2". This should also auto-delete.
- #
- gdb_test "watch local_a + ival5" ".*\[Ww\]atchpoint \[0-9\]*: local_a . ival5" \
- "set partially local watch"
- gdb_test "cont" "Continuing.*\[Ww\]atchpoint .*: local_a . ival5.*" \
- "trigger1 partially local watch"
- gdb_test "cont" "Continuing.*\[Ww\]atchpoint .*: local_a . ival5.*" \
- "trigger2 partially local watch"
- gdb_test "cont" "Continuing.*\[Ww\]atchpoint .* deleted because the program has left the block in.*which its expression is valid.*" \
- "self-delete partially local watch"
-
- # after func2 returned, gdb stopped and deleted the watchpoint
- # we're now in main, let's get to func2
- gdb_test "cont" "Continuing.*func2.*"
-
- # We should be in "func2" again now. Test a watch of a
- # static (non-stack-based) local. Since this has scope
- # across any invocations of "func2", it should not auto-
- # delete.
- #
- gdb_test "watch static_b" ".*\[Ww\]atchpoint \[0-9\]*: static_b" \
- "set static local watch"
- gdb_test "cont" "Continuing.*\[Ww\]atchpoint .*: static_b.*" \
- "trigger static local watch"
- gdb_test "cont" "Continuing.*marker6 \\(\\).*" \
- "continue after trigger static local watch"
- gdb_test "info break" ".*watchpoint.*static_b.*" \
- "static local watch did not self-delete"
-
- # We should be in "recurser" now. Test a watch of a stack-
- # based local. Symbols mentioned in a watchpoint are bound
- # at watchpoint-creation. Thus, a watch of a stack-based
- # local to a recursing function should be bound only to that
- # one invocation, and should not trigger for other invocations.
- #
- gdb_test "tbreak recurser" ".*Breakpoint.*"
- gdb_test "cont" "Continuing.*recurser.*"
- gdb_test "watch local_x" ".*\[Ww\]atchpoint \[0-9\]*: local_x" \
- "set local watch in recursive call"
- gdb_test "cont" "Continuing.*\[Ww\]atchpoint .*: local_x.*New value = 2.*" \
- "trigger local watch in recursive call"
- gdb_test "cont" "Continuing.*\[Ww\]atchpoint .* deleted because the program has left the block in.*which its expression is valid.*" \
- "self-delete local watch in recursive call"
-
-
-
-
-#******************
- # Disable everything so we can finish the program at full speed
- gdb_test "disable" "" "disable in test_complex_watchpoint"
-
- if [target_info exists gdb,noresults] { return }
-
-
- gdb_test "cont" "Continuing.*Program exited normally.*" \
- "continue to exit in test_complex_watchpoint"
- }
-}
-
-# Start with a fresh gdb.
-
-gdb_start
-gdb_reinitialize_dir $srcdir/$subdir
-gdb_load $binfile
-set timeout 600
-verbose "Timeout now 600 sec.\n"
-
-if [initialize] then {
-
- 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 $binfile
- initialize
- }
-
- test_disabling_watchpoints
-
- # See above.
- if [istarget "mips-idt-*"] then {
- gdb_exit
- gdb_start
- gdb_reinitialize_dir $srcdir/$subdir
- gdb_load $binfile
- initialize
- }
-
- if ![target_info exists gdb,cannot_call_functions] {
- test_stepping
-
- # See above.
- if [istarget "mips-idt-*"] then {
- gdb_exit
- gdb_start
- gdb_reinitialize_dir $srcdir/$subdir
- gdb_load $binfile
- initialize
- }
- }
-
- # Only enabled for some targets merely because it has not been tested
- # elsewhere.
- # On sparc-sun-sunos4.1.3, GDB was running all the way to the marker4
- # breakpoint before stopping for the watchpoint. I don't know why.
- 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 $binfile
- initialize
- }
-
- # Only enabled for some targets merely because it has not been tested
- # elsewhere.
- if {[istarget "hppa*-*-*"] || \
- [istarget "sparc*-*-sunos*"] || \
- [istarget "m32r-*-*"]} then {
- test_complex_watchpoint
-#***************
- }
-
- # Verify that a user can force GDB to use "slow" watchpoints.
- # (This proves rather little on kernels that don't support
- # fast watchpoints, but still...)
- #
- if ![runto_main] then { fail "watch tests suppressed" }
-
- send_gdb "set can-use-hw-watchpoints 0\n"
- gdb_expect {
- -re "$gdb_prompt $"\
- {pass "disable fast watches"}
- timeout {fail "(timeout) disable fast watches"}
- }
- send_gdb "show can-use-hw-watchpoints\n"
- gdb_expect {
- -re "Debugger's willingness to use watchpoint hardware is 0.*$gdb_prompt $"\
- {pass "show disable fast watches"}
- -re "$gdb_prompt $"\
- {fail "show disable fast watches"}
- timeout {fail "(timeout) show disable fast watches"}
- }
- send_gdb "watch ival3 if count > 1\n"
- gdb_expect {
- -re "Watchpoint \[0-9\]*: ival3.*$gdb_prompt $"\
- {pass "set slow conditional watch"}
- -re "$gdb_prompt $"\
- {fail "set slow conditional watch"}
- timeout {fail "(timeout) set slow conditional watch"}
- }
- send_gdb "continue\n"
- gdb_expect {
- -re "Watchpoint \[0-9\]*: ival3.*Old value = 1.*New value = 2.*$gdb_prompt $"\
- {pass "trigger slow conditional watch"}
- -re "$gdb_prompt $"\
- {fail "trigger slow conditional watch"}
- timeout {fail "(timeout) trigger slow conditional watch"}
- }
-
- # We've explicitly disabled hardware watches. Verify that GDB
- #
- #
- send_gdb "rwatch ival3\n"
- gdb_expect {
- -re "Expression cannot be implemented with read/access watchpoint..*$gdb_prompt $"\
- {pass "rwatch disallowed when can-set-hw-watchpoints cleared"}
- -re "$gdb_prompt $"\
- {fail "rwatch disallowed when can-set-hw-watchpoints cleared"}
- timeout {fail "(timeout) rwatch disallowed when can-use-hw-watchpoints cleared"}
- }
-
- # Read- and access watchpoints are unsupported on HP-UX. Verify
- # that GDB gracefully responds to requests to create them.
- #
- if [istarget "hppa*-*-hpux*"] then {
- send_gdb "set can-use-hw-watchpoints 1\n"
- gdb_expect {
- -re "$gdb_prompt $"\
- {pass "enable fast watches"}
- timeout {fail "(timeout) enable fast watches"}
- }
- send_gdb "rwatch ival3\n"
- gdb_expect {
- -re "Target does not have this type of hardware watchpoint support.*$gdb_prompt $"\
- {pass "read watches disallowed"}
- -re "$gdb_prompt $"\
- {fail "read watches disallowed"}
- timeout {fail "(timeout) read watches disallowed"}
- }
-
- send_gdb "awatch ival3\n"
- gdb_expect {
- -re "Target does not have this type of hardware watchpoint support.*$gdb_prompt $"\
- {pass "access watches disallowed"}
- -re "$gdb_prompt $"\
- {fail "access watches disallowed"}
- timeout {fail "(timeout) access watches disallowed"}
- }
-
-#***************
- }
-}