--- /dev/null
+# Copyright (C) 1996, 1997, 2002 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 Daniel Jacobowitz <drow@mvista.com>
+# (parts based on pthreads.exp by Fred Fish (fnf@cygnus.com).
+#
+# It tests miscellaneous actions with multiple threads, including
+# handling for thread exit.
+
+if $tracelevel then {
+ strace $tracelevel
+}
+
+set prms_id 0
+set bug_id 0
+
+set testfile "print-threads"
+set srcfile ${testfile}.c
+set binfile ${objdir}/${subdir}/${testfile}
+
+# regexp for "horizontal" text (i.e. doesn't include newline or
+# carriage return)
+set horiz "\[^\n\r\]*"
+
+set built_binfile 0
+
+# Default to the usual (only?) -lpthread on GNU/Linux to quiet noise
+if [istarget "*-*-linux*"] then {
+ set possible_libs "-lpthread -lpthreads -lthread"
+} else {
+ set possible_libs "-lpthreads -lpthread -lthread"
+}
+
+set why_msg "unrecognized error"
+foreach lib $possible_libs {
+ set options "debug"
+ lappend options "incdir=${objdir}/${subdir}"
+ lappend options "libs=$lib"
+ set ccout [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable $options]
+ switch -regexp -- $ccout {
+ ".*no posix threads support.*" {
+ set why_msg "missing threads include file"
+ break
+ }
+ ".*cannot open -lpthread.*" {
+ set why_msg "missing runtime threads library"
+ }
+ ".*Can't find library for -lpthread.*" {
+ set why_msg "missing runtime threads library"
+ }
+ {^$} {
+ pass "successfully compiled posix threads test case"
+ set built_binfile 1
+ break
+ }
+ }
+}
+if {$built_binfile == "0"} {
+ unsupported "Couldn't compile ${srcfile}, ${why_msg}"
+ return -1
+}
+
+# Now we can proceed with the real testing.
+
+# Start with a fresh gdb.
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+
+gdb_test "set print sevenbit-strings" ""
+#gdb_test "set print address off" ""
+gdb_test "set width 0" ""
+
+# We'll need this when we send_gdb a ^C to GDB. Need to do it before we
+# run the program and gdb starts saving and restoring tty states.
+# On Ultrix, we don't need it and it is really slow (because shell_escape
+# doesn't use vfork).
+if ![istarget "*-*-ultrix*"] then {
+ gdb_test "shell stty intr '^C'" ""
+}
+
+proc test_all_threads { name kill } {
+ global gdb_prompt
+
+ set i 0
+ set j 0
+ send_gdb "continue\n"
+ gdb_expect {
+ -re "Breakpoint \[0-9\]+, thread_function \\(arg=.*\\) at .*print-threads.c:\[0-9\]+.*$gdb_prompt" {
+ set i [expr $i + 1]
+ pass "Hit thread_function breakpoint, $i ($name)"
+ send_gdb "continue\n"
+ exp_continue
+ }
+ -re "Breakpoint \[0-9\]+, .* kill \\(.*\\) .*$gdb_prompt" {
+ set j [expr $j + 1]
+ if { $kill == 1 } {
+ pass "Hit kill breakpoint, $j ($name)"
+ } else {
+ fail "Hit kill breakpoint, $j ($name) (unexpected)"
+ }
+ send_gdb "continue\n"
+ exp_continue
+ }
+ -re "Program exited normally\\.\[\r\n\]+$gdb_prompt" {
+ pass "program exited normally"
+ if {$i == 5} {
+ pass "all threads ran once ($name)"
+ } else {
+ fail "all threads ran once ($name) (total $i threads ran)"
+ }
+ }
+ -re "$gdb_prompt" {
+ fail "Running threads ($name) (unknown output)"
+ }
+ timeout {
+ fail "Running threads ($name) (timeout)"
+ }
+ }
+}
+
+runto_main
+gdb_test "break thread_function" "Breakpoint \[0-9\]+ at 0x\[0-9a-f\]+: file .*print-threads.c, line \[0-9\]*\\."
+gdb_test "set var slow = 0" ""
+test_all_threads "fast" 0
+
+runto_main
+gdb_test "break thread_function" "Breakpoint \[0-9\]+ at 0x\[0-9a-f\]+: file .*print-threads.c, line \[0-9\]*\\." "break thread_function (2)"
+gdb_test "set var slow = 1" ""
+test_all_threads "slow" 0
+
+runto_main
+gdb_test "break thread_function" "Breakpoint \[0-9\]+ at 0x\[0-9a-f\]+: file .*print-threads.c, line \[0-9\]*\\." "break thread_function (3)"
+gdb_test "set var slow = 1" "" "set var slow = 1 (2)"
+gdb_test "break kill" "Breakpoint \[0-9\]+ at 0x\[0-9a-f\]+"
+test_all_threads "slow with kill breakpoint" 1
+
+return 0
--- /dev/null
+# Copyright (C) 1996, 1997, 2002 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 Daniel Jacobowitz <drow@mvista.com>
+# (parts based on pthreads.exp by Fred Fish (fnf@cygnus.com).
+#
+# This test covers the various forms of "set scheduler-locking".
+
+if $tracelevel then {
+ strace $tracelevel
+}
+
+set prms_id 0
+set bug_id 0
+
+set testfile "schedlock"
+set srcfile ${testfile}.c
+set binfile ${objdir}/${subdir}/${testfile}
+
+set built_binfile 0
+
+# Default to the usual (only?) -lpthread on GNU/Linux to quiet noise
+if [istarget "*-*-linux*"] then {
+ set possible_libs "-lpthread -lpthreads -lthread"
+} else {
+ set possible_libs "-lpthreads -lpthread -lthread"
+}
+
+set why_msg "unrecognized error"
+foreach lib $possible_libs {
+ set options "debug"
+ lappend options "incdir=${objdir}/${subdir}"
+ lappend options "libs=$lib"
+ set ccout [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable $options]
+ switch -regexp -- $ccout {
+ ".*no posix threads support.*" {
+ set why_msg "missing threads include file"
+ break
+ }
+ ".*cannot open -lpthread.*" {
+ set why_msg "missing runtime threads library"
+ }
+ ".*Can't find library for -lpthread.*" {
+ set why_msg "missing runtime threads library"
+ }
+ {^$} {
+ pass "successfully compiled posix threads test case"
+ set built_binfile 1
+ break
+ }
+ }
+}
+if {$built_binfile == "0"} {
+ unsupported "Couldn't compile ${srcfile}, ${why_msg}"
+ return -1
+}
+
+# Now we can proceed with the real testing.
+
+proc get_args { } {
+ global list_count
+ global gdb_prompt
+
+ send_gdb "print args\n"
+ gdb_expect {
+ -re "\\\$\[0-9\]+ = {(\[0-9\]+), (\[0-9\]+), (\[0-9\]+), (\[0-9\]+), (\[0-9\]+), (\[0-9\]+)}.*$gdb_prompt"
+ {
+ set list_count [expr $list_count + 1]
+ pass "listed args ($list_count)"
+ return [list $expect_out(1,string) $expect_out(2,string) $expect_out(3,string) $expect_out(4,string) $expect_out(5,string) $expect_out(6,string)]
+ }
+ -re "$gdb_prompt"
+ {
+ fail "listed args ($list_count) (unknown output)"
+ }
+ timeout
+ {
+ fail "listed args ($list_count) (timeout)"
+ }
+ }
+}
+
+proc stop_process { description } {
+ global gdb_prompt
+
+ # For this to work we must be sure to consume the "Continuing."
+ # message first, or GDB's signal handler may not be in place.
+ after 1000 {send_gdb "\003"}
+ gdb_expect {
+ -re "Program received signal SIGINT.*$gdb_prompt $"
+ {
+ pass $description
+ }
+ timeout
+ {
+ fail "$description (timeout)"
+ }
+ }
+}
+
+proc get_current_thread { description } {
+ global gdb_prompt
+
+ send_gdb "bt\n"
+ gdb_expect {
+ -re "thread_function \\(arg=0x(\[0-9\])\\).*$gdb_prompt $"
+ {
+ pass $description
+ return $expect_out(1,string)
+ }
+ -re "$gdb_prompt $"
+ {
+ fail "$description (unknown output)"
+ }
+ timeout
+ {
+ fail "$description (timeout)"
+ }
+ }
+}
+
+proc my_continue { msg } {
+ send_gdb "continue\n"
+ gdb_expect {
+ -re "Continuing"
+ { pass "continue ($msg)" }
+ timeout
+ { fail "continue ($msg) (timeout)" }
+ }
+
+ stop_process "stop all threads ($msg)"
+
+ # Make sure we're in one of the looping threads.
+ gdb_breakpoint [gdb_get_line_number "schedlock.exp: main loop"]
+ gdb_continue_to_breakpoint "return to loop ($msg)"
+ delete_breakpoints
+}
+
+proc step_ten_loops { msg } {
+ global gdb_prompt
+
+ for {set i 0} {[expr $i < 10]} {set i [expr $i + 1]} {
+ send_gdb "step\n"
+ set other_step 0
+ gdb_expect {
+ -re ".*myp\\) \\+\\+;\[\r\n\]+$gdb_prompt $" {
+ pass "step to increment ($msg $i)"
+ }
+ -re "$gdb_prompt $" {
+ if {$other_step == 0} {
+ set other_step 1
+ send_gdb "step\n"
+ exp_continue
+ } else {
+ fail "step to increment ($msg $i)"
+ # FIXME cascade?
+ }
+ }
+ timeout {
+ fail "step to increment ($msg $i) (timeout)"
+ }
+ }
+ }
+}
+
+# Start with a fresh gdb.
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+
+# We'll need this when we send_gdb a ^C to GDB. Need to do it before we
+# run the program and gdb starts saving and restoring tty states.
+# On Ultrix, we don't need it and it is really slow (because shell_escape
+# doesn't use vfork).
+if ![istarget "*-*-ultrix*"] then {
+ gdb_test "shell stty intr '^C'" ""
+}
+
+gdb_load ${binfile}
+
+gdb_test "set print sevenbit-strings" ""
+gdb_test "set width 0" ""
+
+runto_main
+
+# See if scheduler locking is available on this target.
+send_gdb "set scheduler-locking off\n"
+global gdb_prompt
+gdb_expect {
+ -re "Target .* cannot support this command"
+ {
+ unsupported "target does not support scheduler locking"
+ return
+ }
+ -re "$gdb_prompt $"
+ {
+ pass "scheduler locking set to none"
+ }
+ timeout
+ {
+ unsupported "target does not support scheduler locking (timeout)"
+ return
+ }
+}
+
+gdb_breakpoint [gdb_get_line_number "schedlock.exp: last thread start"]
+gdb_continue_to_breakpoint "all threads started"
+
+global list_count
+set list_count 0
+
+set start_args [get_args]
+
+# First make sure that all threads are alive.
+my_continue "initial"
+
+set cont_args [get_args]
+
+for {set i 0} {[expr $i < 6]} {set i [expr $i + 1]} {
+ if {[lindex $start_args $i] == [lindex $cont_args $i]} {
+ fail "thread $i ran (didn't run)"
+ } else {
+ pass "thread $i ran"
+ }
+}
+
+# We can't change threads, unfortunately, in current GDB. Use
+# whichever we stopped in.
+set curthread [get_current_thread "find current thread (1)"]
+
+
+
+
+# Test stepping without scheduler locking.
+gdb_test "set scheduler-locking off" ""
+
+step_ten_loops "unlocked"
+
+# Make sure we're still in the same thread.
+set newthread [get_current_thread "find current thread (2)"]
+if {$curthread == $newthread} {
+ pass "step without lock does not change thread"
+} else {
+ fail "step without lock does not change thread (switched to thread $newthread)"
+}
+
+set start_args $cont_args
+set cont_args [get_args]
+
+for {set i 0} {[expr $i < 6]} {set i [expr $i + 1]} {
+ if {[lindex $start_args $i] == [lindex $cont_args $i]} {
+ if {$i == $curthread} {
+ fail "current thread stepped (didn't run)"
+ } else {
+ fail "other thread $i ran (didn't run) (1)"
+ }
+ } else {
+ if {$i == $curthread} {
+ if {[lindex $start_args $i] == [expr [lindex $cont_args $i] - 10]} {
+ pass "current thread stepped"
+ } else {
+ fail "current thread stepped (wrong amount)"
+ }
+ } else {
+ pass "other thread $i ran (1)"
+ }
+ }
+}
+
+# Test continue with scheduler locking
+gdb_test "set scheduler-locking on" ""
+
+my_continue "with lock"
+
+# Make sure we're still in the same thread.
+set newthread [get_current_thread "find current thread (3)"]
+if {$curthread == $newthread} {
+ pass "continue with lock does not change thread"
+} else {
+ fail "continue with lock does not change thread (switched to thread $newthread)"
+}
+
+set start_args $cont_args
+set cont_args [get_args]
+
+for {set i 0} {[expr $i < 6]} {set i [expr $i + 1]} {
+ if {[lindex $start_args $i] == [lindex $cont_args $i]} {
+ if {$i == $curthread} {
+ fail "current thread ran (didn't run)"
+ } else {
+ pass "other thread $i didn't run"
+ }
+ } else {
+ if {$i == $curthread} {
+ pass "current thread ran"
+ } else {
+ fail "other thread $i didn't run (ran)"
+ }
+ }
+}
+
+# Test stepping with scheduler locking
+step_ten_loops "locked"
+
+# Make sure we're still in the same thread.
+set newthread [get_current_thread "find current thread (2)"]
+if {$curthread == $newthread} {
+ pass "step with lock does not change thread"
+} else {
+ fail "step with lock does not change thread (switched to thread $newthread)"
+}
+
+set start_args $cont_args
+set cont_args [get_args]
+
+for {set i 0} {[expr $i < 6]} {set i [expr $i + 1]} {
+ if {[lindex $start_args $i] == [lindex $cont_args $i]} {
+ if {$i == $curthread} {
+ fail "current thread stepped locked (didn't run)"
+ } else {
+ pass "other thread $i didn't run (stepping)"
+ }
+ } else {
+ if {$i == $curthread} {
+ if {[lindex $start_args $i] == [expr [lindex $cont_args $i] - 10]} {
+ pass "current thread stepped locked"
+ } else {
+ fail "current thread stepped locked (wrong amount)"
+ }
+ } else {
+ fail "other thread $i didn't run (stepping) (ran)"
+ }
+ }
+}
+
+return 0
projects / binutils-gdb.git / commitdiff