125 lines
3.8 KiB
Text
125 lines
3.8 KiB
Text
# This testcase is part of GDB, the GNU debugger.
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# Copyright 2004 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# Check that GDB can support multiple watchpoints across threads.
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if $tracelevel {
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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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# This test verifies that a watchpoint is detected in the proper thread
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# so the test is only meaningful on a system with hardware watchpoints.
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if [target_info exists gdb,no_hardware_watchpoints] {
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return 0;
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}
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set testfile "schedlock"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } {
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return -1
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}
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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gdb_test "set can-use-hw-watchpoints 1" "" ""
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#
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# Run to `main' where we begin our tests.
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#
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if ![runto_main] then {
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gdb_suppress_tests
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}
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set args_0 0
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set args_1 0
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# Watch values that will be modified by distinct threads.
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gdb_test "watch args\[0\]" "Hardware watchpoint 2: args\\\[0\\\]"
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gdb_test "watch args\[1\]" "Hardware watchpoint 3: args\\\[1\\\]"
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# Loop and continue to allow both watchpoints to be triggered.
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for {set i 0} {$i < 30} {incr i} {
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set test_flag 0
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gdb_test_multiple "continue" "threaded watch loop" {
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-re "Hardware watchpoint 2: args\\\[0\\\].*Old value = 0.*New value = 1.*main \\\(\\\) at .*schedlock.c:21.*$gdb_prompt $"
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{ set args_0 1; set test_flag 1 }
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-re "Hardware watchpoint 3: args\\\[1\\\].*Old value = 0.*New value = 1.*main \\\(\\\) at .*schedlock.c:21.*$gdb_prompt $"
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{ set args_1 1; set test_flag 1 }
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-re "Hardware watchpoint 2: args\\\[0\\\].*Old value = $args_0.*New value = [expr $args_0+1].*in thread_function \\\(arg=0x0\\\) at .*schedlock.c:42.*$gdb_prompt $"
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{ set args_0 [expr $args_0+1]; set test_flag 1 }
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-re "Hardware watchpoint 3: args\\\[1\\\].*Old value = $args_1.*New value = [expr $args_1+1].*in thread_function \\\(arg=0x1\\\) at .*schedlock.c:42.*$gdb_prompt $"
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{ set args_1 [expr $args_1+1]; set test_flag 1 }
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}
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# If we fail above, don't bother continuing loop
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if { $test_flag == 0 } {
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set i 30;
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}
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}
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# Print success message if loop succeeded.
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if { $test_flag == 1 } {
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pass "threaded watch loop"
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}
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# Verify that we hit first watchpoint in main thread.
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set message "first watchpoint on args\[0\] hit"
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if { $args_0 > 0 } {
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pass $message
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} else {
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fail $message
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}
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# Verify that we hit second watchpoint in main thread.
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set message "first watchpoint on args\[1\] hit"
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if { $args_1 > 0 } {
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pass $message
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} else {
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fail $message
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}
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# Verify that we hit first watchpoint in child thread.
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set message "watchpoint on args\[0\] hit in thread"
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if { $args_0 > 1 } {
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pass $message
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} else {
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fail $message
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}
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# Verify that we hit second watchpoint in child thread.
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set message "watchpoint on args\[1\] hit in thread"
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if { $args_1 > 1 } {
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pass $message
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} else {
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fail $message
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}
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# Verify that all watchpoint hits are accounted for.
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set message "combination of threaded watchpoints = 30"
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if { [expr $args_0+$args_1] == 30 } {
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pass $message
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} else {
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fail $message
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}
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