-# Copyright (C) 1992, 1994, 1997, 1998 Free Software Foundation, Inc.
+# Copyright 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2007, 2008, 2009,
+# 2010 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
-#
+#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
-#
+#
# You should have received a copy of the GNU General Public License
-# along with this program; if not, 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
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This file was written by Fred Fish. (fnf@cygnus.com)
}
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."
+ untested watchpoint.exp
+ return -1
}
# Prepare for watchpoint tests by setting up two breakpoints and one
global srcfile
global wp_set
+ # Disable hardware watchpoints if necessary.
+ if [target_info exists gdb,no_hardware_watchpoints] {
+ gdb_test "set can-use-hw-watchpoints 0" "" ""
+ }
+
if [gdb_test "break marker1" "Breakpoint 1 at $hex: file .*$srcfile, line $decimal.*" "set breakpoint at marker1" ] {
return 0;
}
gdb_test "break func2 if 0" "Breakpoint.*at.*"
gdb_test "p \$func2_breakpoint_number = \$bpnum" " = .*"
- # 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 "arm*-*-*"
- 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"
+ "calling function with watchpoint enabled"
#
# "finish" brings us back to main.
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
+ # These tests won't work without printf support.
+ if [gdb_skip_stdio_test "watchpoints triggered in syscall"] {
+ return;
}
# Run until we get to the first marker function.
set x 0
# 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 "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"
}
}
+proc test_watchpoint_and_breakpoint {} {
+ global gdb_prompt
+
+ # This is a test for PR gdb/38, which involves setting a
+ # watchpoint right after you've reached a breakpoint.
+
+ if [runto func3] then {
+ gdb_breakpoint [gdb_get_line_number "second x assignment"]
+ gdb_continue_to_breakpoint "second x assignment"
+ gdb_test "watch x" ".*atchpoint \[0-9\]+: x"
+ gdb_test_multiple "next" "next after watch x" {
+ -re ".*atchpoint \[0-9\]+: x\r\n\r\nOld value = 0\r\nNew value = 1\r\n.*$gdb_prompt $" {
+ pass "next after watch x"
+ }
+ -re "\[0-9\]+\[\t \]+y = 1;\r\n$gdb_prompt $" {
+ kfail "gdb/38" "next after watch x"
+ }
+ }
+ }
+}
+
+proc test_inaccessible_watchpoint {} {
+ global gdb_prompt
+
+ # This is a test for watchpoints on currently inaccessible (but later
+ # valid) memory.
+
+ if [runto func4] then {
+ # Make sure we only allow memory access errors.
+ set msg "watchpoint refused to insert on nonexistent struct member"
+ gdb_test_multiple "watch struct1.nosuchmember" $msg {
+ -re ".*atchpoint \[0-9\]+: struct1.nosuchmember.*$gdb_prompt $" {
+ # PR breakpoints/9681
+ fail $msg
+ }
+ -re "There is no member named nosuchmember\\..*$gdb_prompt $" {
+ pass $msg
+ }
+ }
+
+ gdb_test "watch *global_ptr" ".*atchpoint \[0-9\]+: \\*global_ptr"
+ gdb_test "next" ".*global_ptr = buf.*"
+ gdb_test_multiple "next" "next over ptr init" {
+ -re ".*atchpoint \[0-9\]+: \\*global_ptr\r\n\r\nOld value = .*\r\nNew value = 3 .*\r\n.*$gdb_prompt $" {
+ # We can not test for <unknown> here because NULL may be readable.
+ # This test does rely on *NULL != 3.
+ pass "next over ptr init"
+ }
+ }
+ gdb_test_multiple "next" "next over buffer set" {
+ -re ".*atchpoint \[0-9\]+: \\*global_ptr\r\n\r\nOld value = 3 .*\r\nNew value = 7 .*\r\n.*$gdb_prompt $" {
+ pass "next over buffer set"
+ }
+ }
+ }
+}
+
+proc test_watchpoint_in_big_blob {} {
+ global gdb_prompt
+
+ gdb_test "watch buf" ".*atchpoint \[0-9\]+: buf"
+ gdb_test "cont" "Continuing.*atchpoint \[0-9\]+: buf\r\n\r\nOld value = .*testte\".*" "watchpoint on buf hit"
+}
+
# Start with a fresh gdb.
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load $binfile
+set prev_timeout $timeout
set timeout 600
verbose "Timeout now 600 sec.\n"
}
# We've explicitly disabled hardware watches. Verify that GDB
- #
+ # refrains from using them.
#
send_gdb "rwatch ival3\n"
gdb_expect {
timeout {fail "(timeout) access watches disallowed"}
}
}
+
+ test_inaccessible_watchpoint
+
+ # See above.
+ if [istarget "mips-idt-*"] then {
+ gdb_exit
+ gdb_start
+ gdb_reinitialize_dir $srcdir/$subdir
+ gdb_load $binfile
+ initialize
+ }
+
+ test_watchpoint_and_breakpoint
+
+ test_watchpoint_in_big_blob
}
+
+# Restore old timeout
+set timeout $prev_timeout
+verbose "Timeout now $timeout sec.\n"
projects / deliverable / binutils-gdb.git / blobdiff