e22f8b7c8c
Switch the license of all .f and .f90 files to GPLv3.
Switch the license of all .s and .S files to GPLv3.
127 lines
3.9 KiB
Text
127 lines
3.9 KiB
Text
# This testcase is part of GDB, the GNU debugger.
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# Copyright 2004, 2007 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 3 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, see <http://www.gnu.org/licenses/>.
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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 "watchthreads"
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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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set init_line [expr [gdb_get_line_number "Init value"]+1]
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set inc_line [gdb_get_line_number "Loop increment"]
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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 .*watchthreads.c:$init_line.*$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 .*watchthreads.c:$init_line.*$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 .*watchthreads.c:$inc_line.*$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 .*watchthreads.c:$inc_line.*$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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