-# Copyright (C) 1992, 1994 Free Software Foundation, Inc.
+# Copyright (C) 1992, 1994, 1997, 1998 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
#
# 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. */
+# 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
set testfile "watchpoint"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
-if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
- perror "Couldn't compile ${srcfile}"
+
+set wp_set 1
+
+if [get_compiler_info ${binfile}] {
return -1
}
+if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
+ gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
+}
+
# Prepare for watchpoint tests by setting up two breakpoints and one
# watchpoint.
#
# 3 Watchpoint ival3
proc initialize {} {
- global prompt
+ global gdb_prompt
global hex
global decimal
global srcfile
+ global wp_set
- send_gdb "break marker1\n"
- expect {
- -re "Breakpoint 1 at $hex: file .*$srcfile, line $decimal.*$prompt $" {
- pass "set breakpoint at marker1"
- }
- -re ".*$prompt $" { fail "set breakpoint at marker1" ; return 0 }
- timeout { fail "set breakpoint at marker1 (timeout)" ; return 0 }
+ if [gdb_test "break marker1" "Breakpoint 1 at $hex: file .*$srcfile, line $decimal.*" "set breakpoint at marker1" ] {
+ return 0;
}
- send_gdb "break marker2\n"
- expect {
- -re "Breakpoint 2 at $hex: file .*$srcfile, line $decimal.*$prompt $" {
- pass "set breakpoint at marker2"
- }
- -re ".*$prompt $" { fail "set breakpoint at marker2" ; return 0 }
- timeout { fail "set breakpoint at marker2 (timeout)" ; return 0 }
+
+ if [gdb_test "break marker2" "Breakpoint 2 at $hex: file .*$srcfile, line $decimal.*" "set breakpoint at marker2" ] {
+ return 0;
}
- send_gdb "info break\n"
- expect {
- -re "1\[ \]*breakpoint.*marker1.*\r\n2\[ \]*breakpoint.*marker2.*\r\n$prompt $" { pass "info break in watchpoint.exp" }
- -re ".*$prompt $" { fail "info break in watchpoint.exp" ; return 0 }
- timeout { fail "info break in watchpoint.exp (timeout)" ; 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 11.0 for
+ # reasons yet unknown, we've disabled the ability to set watches
+ # without a running inferior. Verify the restriction.
+ #
send_gdb "watch ival3\n"
- expect {
- -re ".*\[Ww\]atchpoint 3: ival3\r\n$prompt $" {
- pass "set watchpoint on ival3"
- }
- -re ".*$prompt $" { fail "set watchpoint on ival3" ; return 0 }
- timeout { fail "set watchpoint on ival3 (timeout)" ; return 0 }
+ gdb_expect {
+ -re ".*\[Ww\]atchpoint 3: ival3.*$gdb_prompt $" {
+ pass "set watchpoint on ival3"
+ }
+ -re "warning: can't do that without a running program; try \"break main\", \"run\" first.*$gdb_prompt $" {
+ pass "set watchpoint on ival3"
+ set wp_set 0
+ return 1
+ }
+ timeout {
+ fail "(timeout) set watchpoint on ival3"
+ return 0
+ }
}
# "info watch" is the same as "info break"
- send_gdb "info watch\n"
- expect {
- -re "1\[ \]*breakpoint.*marker1.*\r\n2\[ \]*breakpoint.*marker2.*\r\n3\[ \]*.*watchpoint.*ival3\r\n$prompt $" {
- pass "watchpoint found in watchpoint/breakpoint table"
- }
- -re ".*$prompt $" {
- fail "watchpoint found in watchpoint/breakpoint table" ; return 0
- }
- timeout {
- fail "watchpoint found in watchpoint/breakpoint table (timeout)" ; return 0
- }
+ 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.
- send_gdb "disable 3\n"
- expect {
- -re "disable 3\[\r\n\]+$prompt $" { pass "disable watchpoint" }
- -re ".*$prompt $" { fail "disable watchpoint" ; return 0 }
- timeout { fail "disable watchpoint (timeout)" ; return 0 }
+ if [gdb_test "disable 3" "disable 3\[\r\n\]+" "disable watchpoint" ] {
+ return 0;
}
+
return 1
}
#
proc test_simple_watchpoint {} {
- global prompt
+ global gdb_prompt
global hex
global decimal
- global noresults
+ global wp_set
# Ensure that the watchpoint is disabled when we startup.
- send_gdb "disable 3\n"
- expect {
- -re "^disable 3\[\r\n\]+$prompt $" {
- pass "disable watchpoint in test_simple_watchpoint"
- }
- -re ".*$prompt $" {
- fail "disable watchpoint in test_simple_watchpoint"
- return 0
- }
- timeout {
- fail "disable watchpoint in test_simple_watchpoint (timeout)"
- return 0
+ if { $wp_set } {
+ 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
- expect {
- -re "Breakpoint 1, marker1 .*$prompt $" {
+ gdb_expect {
+ -re "Breakpoint 1, marker1 .*$gdb_prompt $" {
pass "run to marker1 in test_simple_watchpoint"
}
- -re ".*$prompt $" {
+ -re ".*$gdb_prompt $" {
fail "run to marker1 in test_simple_watchpoint"
return
}
}
}
+ if { !$wp_set } {
+ # ??rehrauer: To fix DTS #CHFts23014, in which setting a watchpoint
+ # before running can cause the inferior to croak on HP-UX 11.0
+ # for reasons 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)" }
+ }
+
+ set wp_set 1
+
+ # "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.
- send_gdb "enable 3\n"
- expect {
- -re "^enable 3\[\r\n\]+$prompt $" { pass "enable watchpoint" }
- -re ".*$prompt $" { fail "enable watchpoint" ; return }
- timeout { fail "enable watchpoint (timeout)" ; return }
+ 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" ""
# Continue until the first change, from -1 to 0
send_gdb "cont\n"
- expect {
- -re "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*$prompt $" {
+ gdb_expect {
+ -re "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*$gdb_prompt $" {
pass "watchpoint hit, first time"
}
- -re "Continuing.*Breakpoint.*func1.*$prompt $" {
+ -re "Continuing.*Breakpoint.*func1.*$gdb_prompt $" {
setup_xfail "m68*-*-*" 2597
fail "thought it hit breakpoint at func1 twice"
gdb_test "delete \$func1_breakpoint_number" ""
Continuing.*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count;" \
"watchpoint hit, first time"
}
- -re ".*$prompt $" { fail "watchpoint hit, first time" ; return }
+ -re ".*$gdb_prompt $" { fail "watchpoint hit, first time" ; return }
timeout { fail "watchpoint hit, first time (timeout)" ; return }
eof { fail "watchpoint hit, first time (eof)" ; return }
}
+ # Check that the hit count is reported correctly
+ gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 1 time.*" "Watchpoint hit count is 1"
+
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"
+ # Check that the hit count is reported correctly
+ gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 2 times.*" "Watchpoint hit count is 2"
+
# 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"
+
+ # Check that the hit count is reported correctly
+ gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 3 times.*" "Watchpoint hit count is 3"
# 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"
+ # Check that the hit count is reported correctly
+ gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 4 times.*" "Watchpoint hit count is 4"
+
# 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"
+ # Check that the hit count is reported correctly
+ gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 5 times.*" "Watchpoint hit count is 5"
+
# Continue until we hit the finishing marker function.
# Make sure we hit no more watchpoints.
# Disable the watchpoint so we run at full speed until we exit.
- send_gdb "disable 3\n"
- expect {
- -re "^disable 3\[\r\n\]+$prompt $" { pass "watchpoint disabled" }
- -re ".*$prompt $" { fail "watchpoint disabled" ; return }
- timeout { fail "watchpoint disabled (timeout)" ; return }
+ if [gdb_test "disable 3" "^disable 3\[\r\n\]+" "watchpoint disabled" ] {
+ return ;
}
+
# Run until process exits.
- if $noresults==1 then { return }
+ if [target_info exists gdb,noresults] { return }
- gdb_test "cont" "Continuing.*Program exited normally.*" \
- "continue to exit in test_simple_watchpoint"
+ gdb_continue_to_end "continue to exit in test_simple_watchpoint"
}
# Test disabling watchpoints.
proc test_disabling_watchpoints {} {
- global prompt
+ global gdb_prompt
global binfile
global srcfile
global decimal
global hex
- global noresults
+
+ # "info watch" is the same as "info break"
+ gdb_test "info watch" "\[0-9\]+\[ \]*breakpoint.*marker1.*\r\n\[0-9\]+\[ \]*breakpoint.*marker2.*\r\n\[0-9]+\[ \]*.*watchpoint.*ival3\r\n\.*\[0-9\]+ times.*" "watchpoints found in watchpoint/breakpoint table"
# Ensure that the watchpoint is disabled when we startup.
- send_gdb "disable 3\n"
- expect {
- -re "^disable 3\[\r\n\]+$prompt $" {
- pass "disable watchpoint in test_disabling_watchpoints"
- }
- -re ".*$prompt $" {
- fail "disable watchpoint in test_disabling_watchpoints"
- return 0
- }
- timeout {
- fail "disable watchpoint in test_disabling_watchpoints (timeout)"
- return 0
- }
+ 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
- expect {
- -re "Breakpoint 1, marker1 .*$prompt $" {
+ gdb_expect {
+ -re "Breakpoint 1, marker1 .*$gdb_prompt $" {
pass "run to marker1 in test_disabling_watchpoints"
}
- -re ".*$prompt $" {
+ -re ".*$gdb_prompt $" {
fail "run to marker1 in test_disabling_watchpoints"
return
}
# After reaching the marker function, enable the watchpoint.
- send_gdb "enable 3\n"
- expect {
- -re "^enable 3\[\r\n\]+$prompt $" { pass "watchpoint enabled" }
- -re ".*$prompt $" { fail "watchpoint enabled" ; return }
- timeout { fail "watchpoint enabled (timeout)" ; return }
+ 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.
# Disable the watchpoint but leave breakpoints
- send_gdb "disable 3\n"
- expect {
- -re "^disable 3\[\r\n\]+$prompt $" {
- pass "disable watchpoint #2 in test_disabling_watchpoints"
- }
- -re ".*$prompt $" {
- "disable watchpoint #2 in test_disabling_watchpoints"
- return 0
- }
- timeout {
- "disable watchpoint #2 in test_disabling_watchpoints (timeout)"
- return 0
- }
+ 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"
+ gdb_test "info watchpoints" "\[0-9]+\[ \]*.*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 $noresults==1 then { return }
+ if [target_info exists gdb,noresults] { return }
- gdb_test "cont" "Continuing.*Program exited normally.*" \
- "continue to exit in test_disabling_watchpoints"
+ gdb_continue_to_end "continue to exit in test_disabling_watchpoints"
}
# Test stepping and other mundane operations with watchpoints enabled
proc test_stepping {} {
- global prompt
+ global gdb_prompt
if [runto marker1] then {
gdb_test "watch ival2" ".*\[Ww\]atchpoint \[0-9\]*: ival2"
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 "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*"
- gdb_test "p func1 ()" "= 73" \
- "calling function with watchpoint enabled"
- }
+ # 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*-*-*"
+ # The following architectures define CALL_DUMMY_HAS_COMPLETED.
+ clear_xfail "hppa*-*-*hpux*"
+ gdb_test "p func1 ()" "= 73" \
+ "calling function with watchpoint enabled"
#
# "finish" brings us back to main.
#
send_gdb "finish\n"
- expect {
- -re "Run.*exit from.*marker1.* at" { }
+ gdb_expect {
+ -re "Run.*exit from.*marker1.* at" {
+ pass "finish from marker1"
+ }
default { fail "finish from marker1" ; return }
}
- expect {
- -re "marker1 \\(\\);.*$prompt $" {
+
+ gdb_expect {
+ -re "marker1 \\(\\);.*$gdb_prompt $" {
send_gdb "step\n"
exp_continue
}
- -re "func1 \\(\\);.*$prompt $" {
+ -re "func1 \\(\\);.*$gdb_prompt $" {
pass "finish from marker1"
}
- -re ".*$prompt $" {
+ -re ".*$gdb_prompt $" {
fail "finish from marker1"
}
- default { fail "finish from marker1" ; return }
+ default { fail "finish from marker1 (timeout)" ; return }
}
gdb_test "next" "for \\(count = 0.*" "next to `for' in watchpoint.exp"
gdb_test "until" "ival1 = count.*" "until to ival1 assignment"
gdb_test "until" "ival3 = count.*" "until to ival3 assignment"
send_gdb "until\n"
- expect {
- -re "(for \\(count = 0|\}).*$prompt $" {
+ gdb_expect {
+ -re "(for \\(count = 0|\}).*$gdb_prompt $" {
gdb_test "until" "ival1 = count; /. Outside loop ./" \
"until out of loop"
}
- -re "ival1 = count; /. Outside loop ./.*$prompt $" {
+ -re "ival1 = count; /. Outside loop ./.*$gdb_prompt $" {
pass "until out of loop"
}
- -re ".*$prompt $" {
+ -re ".*$gdb_prompt $" {
fail "until out of loop"
}
- default { fail "until out of loop" ; return }
+ default { fail "until out of loop (timeout)" ; 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 prompt
- global noinferiorio
- global noresults
+ global gdb_prompt
- if $noinferiorio {
+ if [target_info exists gdb,noinferiorio] {
verbose "Skipping test_watchpoint_triggered_in_syscall due to noinferiorio"
return
}
# 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"
- expect {
+ send_gdb "continue\n";
+ gdb_expect {
-re "Continuing\\.\r\ntype stuff for buf now:" {
pass "continue to read"
}
- default { fail "continue to read"; return }
+ default {
+ fail "continue to read";
+ return ;
+ }
}
+
send_gdb "123\n"
- expect {
+ 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 $x+1] ; exp_continue }
- -re ".*$prompt $" { pass "sent 123" }
+ -re ".*$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"
- expect {
- -re ".*= 49.*$prompt $" { set y [expr $y+1]; pass "print buf\[0\]"}
- -re ".*= 0.*$prompt $" { pass "print buf\[0\]"}
- -re ".*$prompt $" { fail "print buf\[0\]"}
+ 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"
- expect {
- -re ".*= 50.*$prompt $" { set y [expr $y+1]; pass "print buf\[1\]"}
- -re ".*= 0.*$prompt $" { pass "print buf\[1\]"}
- -re ".*$prompt $" { fail "print buf\[1\]"}
+ 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"
- expect {
- -re ".*= 51.*$prompt $" { set y [expr $y+1]; pass "print buf\[2\]"}
- -re ".*= 0.*$prompt $" { pass "print buf\[2\]"}
- -re ".*$prompt $" { fail "print buf\[2\]"}
+ 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"
- expect {
- -re ".*= 10.*$prompt $" { set y [expr $y+1]; pass "print buf\[3\]"}
- -re ".*= 0.*$prompt $" { pass "print buf\[3\]"}
- -re ".*$prompt $" { fail "print buf\[3\]" }
+ 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\[3\]" }
}
# Disable everything so we can finish the program at full speed
gdb_test "disable" "" "disable in test_watchpoint_triggered_in_syscall"
- if $noresults==1 then { return }
+ if [target_info exists gdb,noresults] { return }
- gdb_test "cont" "Continuing.*Program exited normally.*" \
- "continue to exit in test_watchpoint_triggered_in_syscall"
+ gdb_continue_to_end "continue to exit in test_watchpoint_triggered_in_syscall"
}
}
# itself changes. Should add some more complicated stuff here.
proc test_complex_watchpoint {} {
- global prompt
- global noresults
+ global gdb_prompt
if [runto marker4] then {
gdb_test "watch ptr1->val" ".*\[Ww\]atchpoint \[0-9\]*: ptr1->val"
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.*\[Ww\]atchpoint .* deleted because the program has left the block in.*which its expression is valid.*" "self-delete local watch"
+
+ 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"
+
+ # 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 "cont" "Continuing.*func2.*"
+ 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 $noresults==1 then { return }
+ if [target_info exists gdb,noresults] { return }
- gdb_test "cont" "Continuing.*Program exited normally.*" \
- "continue to exit in test_complex_watchpoint"
+ gdb_continue_to_end "continue to exit in test_complex_watchpoint"
}
}
initialize
}
- test_stepping
+ 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
+ # See above.
+ if [istarget "mips-idt-*"] then {
+ gdb_exit
+ gdb_start
+ gdb_reinitialize_dir $srcdir/$subdir
+ gdb_load $binfile
+ initialize
+ }
}
# Only enabled for some targets merely because it has not been tested
# Only enabled for some targets merely because it has not been tested
# elsewhere.
- if {[istarget "hppa*-*-*"] || [istarget "sparc*-*-sunos*"]} then {
+ if {[istarget "hppa*-*-*"] || \
+ [istarget "sparc*-*-sunos*"] || \
+ [istarget "m32r-*-*"]} then {
test_complex_watchpoint
}
+
+ # Verify that a user can force GDB to use "slow" watchpoints.
+ # (This proves rather little on kernels that don't support
+ # fast watchpoints, but still...)
+ #
+ if ![runto_main] then { fail "watch tests suppressed" }
+
+ send_gdb "set can-use-hw-watchpoints 0\n"
+ gdb_expect {
+ -re "$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"}
+ }
+ }
}
projects / deliverable / binutils-gdb.git / blobdiff