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308 lines
6.7 KiB
Tcl
308 lines
6.7 KiB
Tcl
#
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# \brief Test for using the GDB monitor
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# \author Christian Prochaska
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# \author Norman Feske
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# \date 2011-05-24
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#
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#
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# Only the NOVA platform supports most of the tested features at this time.
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#
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if {![have_include "power_on/qemu"] ||
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!([have_spec nova])} {
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puts "Run script is only supported for NOVA in Qemu"; exit 0
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}
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#
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# Build
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#
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set build_components {
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core init
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drivers/timer drivers/uart
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app/gdb_monitor
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test/gdb_monitor
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}
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lappend build_components "lib/gdbserver_platform-$::env(KERNEL)"
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build $build_components
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create_boot_directory
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#
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# Generate config
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#
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set config {
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<config verbose="yes">
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<parent-provides>
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<service name="ROM"/>
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<service name="IRQ"/>
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<service name="IO_MEM"/>
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<service name="IO_PORT"/>
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<service name="PD"/>
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<service name="RM"/>
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<service name="CPU"/>
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<service name="LOG"/>
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</parent-provides>
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<default-route>
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<any-service> <parent/> <any-child/> </any-service>
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</default-route>
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<default caps="100"/>
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<start name="timer">
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<resource name="RAM" quantum="2M"/>
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<provides> <service name="Timer"/> </provides>
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</start>
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<start name="uart_drv">
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<resource name="RAM" quantum="2M"/>
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<provides>
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<service name="Terminal"/>
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<service name="Uart"/>
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</provides>
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<config>
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<policy label_prefix="gdb_monitor" uart="1"/>
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</config>
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</start>
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<start name="gdb_monitor" caps="200">
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<resource name="RAM" quantum="7M"/>
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<config>
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<target name="test-gdb_monitor">
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<config>
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<vfs> <dir name="dev"> <log/> </dir> </vfs>
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<libc stdout="/dev/log" stderr="/dev/log"/>
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</config>
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</target>
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<preserve name="RAM" quantum="3M"/>
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<vfs> <dir name="dev"> <log/> </dir> </vfs>
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<libc stdout="/dev/log" stderr="/dev/log"/>
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</config>
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</start>
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</config>
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}
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install_config $config
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#
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# Boot modules
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#
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# evaluated by the run tool
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proc binary_name_gdbserver_platform_lib_so { } {
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return "gdbserver_platform-$::env(KERNEL).lib.so"
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}
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# generic modules
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set boot_modules {
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core init timer
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ld.lib.so libc.lib.so libm.lib.so libc_pipe.lib.so libc_terminal.lib.so
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uart_drv posix.lib.so
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gdb_monitor gdbserver_platform.lib.so test-gdb_monitor
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}
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build_boot_image $boot_modules
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#
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# Execute test case
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#
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#
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set local_port 5555
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# qemu config
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append qemu_args " -nographic "
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# connect comport 0 to stdio
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append qemu_args " -serial mon:stdio "
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# connect comport 1 with TCP port $local_port
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append qemu_args " -serial chardev:uart "
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append qemu_args " -chardev socket,id=uart,port=$local_port,host=localhost,server,nowait,ipv4 "
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run_genode_until {.*\[init -> gdb_monitor\].*} 30
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set genode_id [output_spawn_id]
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puts "GDB monitor is up, starting GDB"
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source ${genode_dir}/repos/ports/run/gdb_monitor.inc
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# GDB loads symbols from 'debug/ld.lib.so'
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if { [have_spec nova] } {
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exec ln -sf ld-nova.lib.so debug/ld.lib.so
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}
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set gdb_target_binary "test-gdb_monitor"
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# sequence of GDB commands to execute at startup
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set gdb_cmds ""
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append gdb_cmds {-ex "target remote localhost:$local_port" }
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append gdb_cmds [gdb_initial_breakpoint_cmds $gdb_target_binary]
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# run GDB and redirect stderr to stdio to get the relevant output into the expect buffer
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eval spawn [gdb] debug/ld.lib.so -n $gdb_cmds 2&>1
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set gdb_id [list $spawn_id $genode_id]
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puts ""
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puts "----- test: breakpoint in 'main()' -----"
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puts ""
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run_genode_until {\(gdb\)} 60 $gdb_id
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send "b main\n"
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run_genode_until {\(gdb\)} 20 $gdb_id
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send "c\n"
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run_genode_until {\(gdb\)} 20 $gdb_id
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if {![regexp {Breakpoint 2, main ()} $output]} {
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puts stderr "*** Error: Breakpoint in main() did not trigger"
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exit -1
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}
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send "delete 2\n"
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run_genode_until {\(gdb\)} 20 $gdb_id
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puts "\n"
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puts "----- test: breakpoint in shared library -----"
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puts ""
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send "b puts\n"
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run_genode_until {\(gdb\)} 20 $gdb_id
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send "c\n"
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run_genode_until {\(gdb\)} 20 $gdb_id
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if {![regexp {Breakpoint 3, puts ()} $output]} {
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puts "*** Error: Breakpoint in shared library did not trigger"
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exit -1
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}
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puts "\n"
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puts "----- test: stack trace when not in syscall -----"
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puts ""
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send "bt\n"
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run_genode_until {\(gdb\)} 20 $gdb_id
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if {![regexp {#0 puts} $output] ||
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![regexp {in func2()} $output] ||
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![regexp {in func1()} $output] ||
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![regexp {in main ()} $output]} {
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puts stderr "*** Error: Stack trace when not in syscall is not as expected"
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exit -1
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}
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puts "\n"
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puts "----- test: modification of a variable value -----"
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puts ""
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send "print test_var\n"
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run_genode_until {\(gdb\)} 20 $gdb_id
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if {![regexp {\$1 = 1} $output]} {
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puts stderr "*** Error: first 'print test_var' command didn't result in the expected output"
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exit -1
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}
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send "set var test_var=2\n"
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run_genode_until {\(gdb\)} 20 $gdb_id
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send "print test_var\n"
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run_genode_until {\(gdb\)} 20 $gdb_id
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if {![regexp {\$2 = 2} $output]} {
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puts stderr "*** Error: second 'print test_var' command didn't result in the expected output"
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exit -1
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}
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puts "\n"
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puts "----- test: 'call' command -----"
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puts ""
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send "call test_var_func()\n"
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run_genode_until {\(gdb\)} 60 $gdb_id
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if {![regexp {\$3 = 3} $output]} {
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puts stderr "*** Error: 'call' command didn't result in the expected output"
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exit -1
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}
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puts "\n"
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puts "----- test: thread info -----"
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puts ""
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send "b Test_thread::entry()\n"
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run_genode_until {\(gdb\)} 20 $gdb_id
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send "c\n"
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run_genode_until {\(gdb\)} 20 $gdb_id
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if {![regexp {Breakpoint 4, Test_thread::entry()} $output]} {
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puts stderr "*** Error: Breakpoint in test thread did not trigger"
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exit -1
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}
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send "info threads\n"
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run_genode_until {\(gdb\)} 20 $gdb_id
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if {![regexp { 4 Thread 3} $output] ||
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![regexp {\* 3 Thread 4 Test_thread::entry} $output] ||
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![regexp { 2 Thread 2} $output] ||
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![regexp { 1 Thread 1} $output]} {
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puts stderr "*** Error: Thread info is not as expected"
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exit -1
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}
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puts "\n"
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puts "----- test: step into function -----"
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puts ""
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send "step\n"
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run_genode_until {\(gdb\)} 30 $gdb_id
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send "thread 2\n"
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run_genode_until {\(gdb\)} 20 $gdb_id
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if {![regexp {Test_thread::step_func} $output]} {
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puts stderr "*** Error: Step into function didn't result in the expected output"
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exit -1
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}
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puts "\n"
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puts "----- test: catching a segmentation fault -----"
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puts ""
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send "c\n"
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run_genode_until {\(gdb\)} 20 $gdb_id
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if {![regexp {Program received signal SIGSEGV, Segmentation fault.} $output]} {
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puts stderr "*** Error: Segmentation fault exception was not caught"
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exit -1
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}
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# does not work well on ARM yet
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if {![have_spec arm]} {
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puts "\n"
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puts "----- test: stack trace when in syscall -----"
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puts ""
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send "thread 2\n"
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run_genode_until {\(gdb\)} 20 $gdb_id
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send "bt\n"
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run_genode_until {\(gdb\)} 20 $gdb_id
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if {![regexp {Genode::Cancelable_lock::lock\(\)} $output] ||
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![regexp {Genode::Thread::join\(\)} $output] ||
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![regexp {in main \(\)} $output]} {
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puts stderr "*** Error: Stack trace when in syscall is not as expected"
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exit -1
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}
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}
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puts ""
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# vi: set ft=tcl :
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