2011-12-22 15:19:25 +00:00
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#
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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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2012-02-09 17:37:20 +00:00
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#
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2012-08-10 06:13:37 +00:00
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# Only Genode/Fiasco.OC and Genode/NOVA supports all the tested features
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# at this time
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2012-02-09 17:37:20 +00:00
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#
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2012-08-10 06:13:37 +00:00
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if {![have_spec foc] && ![have_spec nova]} {
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puts "Run script requires foc or nova"; exit 0
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}
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2012-02-09 17:37:20 +00:00
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2011-12-22 15:19:25 +00:00
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#
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# Build
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#
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build {
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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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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="RAM"/>
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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="CAP"/>
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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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<service name="SIGNAL"/>
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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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<start name="timer">
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<resource name="RAM" quantum="512K"/>
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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="1M"/>
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<provides> <service name="Terminal"/> </provides>
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<config>
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<policy label="gdb_monitor" uart="1"/>
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</config>
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</start>
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<start name="gdb_monitor">
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<resource name="RAM" quantum="4M"/>
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2012-04-23 12:44:28 +00:00
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<config>
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<target name="test-gdb_monitor"/>
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<preserve name="RAM" quantum="2M"/>
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</config>
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2011-12-22 15:19:25 +00:00
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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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# 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 libc_log.lib.so libc_lock_pipe.lib.so libc_terminal.lib.so
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uart_drv
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gdb_monitor 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 " -m 128 -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 "
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run_genode_until {.*Remote debugging using /dev/terminal.*} 30
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2012-02-09 17:37:20 +00:00
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puts "GDB monitor is up, starting GDB"
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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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#
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# The test breaks into the 'main()' function of the dynamically linked test
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# application by using the following gdb command sequence. It's important that
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# the 'main()' breakpoint gets set before the 'sharedlibrary' command is
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# executed. Otherwise the breakpoint would get set in ld.lib.so's main()
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# function.
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#
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# don't ask for y/n when loading a new symbol file
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append gdb_cmds {-ex "set interactive-mode off" }
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# load the symbols of ld.lib.so
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append gdb_cmds {-ex "symbol-file bin/ld.lib.so" }
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# set a breakpoint in the 'call_main()' function
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append gdb_cmds {-ex "b call_main" }
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# continue execution until the breakpoint triggers
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append gdb_cmds {-ex "c" }
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# delete the 'call_main()' breakpoint
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append gdb_cmds {-ex "delete 1" }
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# load the symbols of the test application
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append gdb_cmds {-ex "symbol-file bin/test-gdb_monitor" }
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# set a breakpoint in the application's 'main()' function
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append gdb_cmds {-ex "b main" }
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# load the symbols of loaded shared libraries
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append gdb_cmds {-ex "sharedlibrary" }
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# continue execution until the breakpoint triggers
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append gdb_cmds {-ex "c" }
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# delete the 'main()' breakpoint
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append gdb_cmds {-ex "delete 2" }
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#
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# Test commands
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#
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# test: breakpoint in shared library
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append gdb_cmds {-ex "b puts" }
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append gdb_cmds {-ex "c" }
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# test: stack trace when not in syscall
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append gdb_cmds {-ex "bt" }
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# test: thread info
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append gdb_cmds {-ex "b Test_thread::entry()" }
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append gdb_cmds {-ex "c" }
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append gdb_cmds {-ex "info threads" }
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# test: single stepping
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append gdb_cmds {-ex "step" }
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2011-12-22 15:19:25 +00:00
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2012-02-09 17:37:20 +00:00
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# test: catch segmentation fault
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append gdb_cmds {-ex "c" }
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# test: stack trace when in syscall
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append gdb_cmds {-ex "thread 1" }
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append gdb_cmds {-ex "bt" }
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# quit
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append gdb_cmds {-ex "q" }
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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] bin/test-gdb_monitor -batch $gdb_cmds 2&>1
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set timeout 60
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expect {
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timeout { puts stderr "Error: Test execution timed out"; exit -2 }
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}
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set gdb_output $expect_out(buffer)
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#
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# Evaluate the test results
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#
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if {![regexp {Breakpoint 2, main ()} $gdb_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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if {![regexp {Breakpoint 3, puts ()} $gdb_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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if {![regexp {#0 puts} $gdb_output] ||
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![regexp {in func2 ()} $gdb_output] ||
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![regexp {in func1 ()} $gdb_output] ||
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![regexp {in main ()} $gdb_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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if {![regexp {Breakpoint 4, Test_thread::entry()} $gdb_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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if {![regexp {\* 2 Thread 2 Test_thread::entry} $gdb_output] ||
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![regexp { 1 Thread 1} $gdb_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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if {![regexp {40 func()} $gdb_output]} {
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puts stderr "Error: Single stepping didn't result in the expected output"
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exit -1
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}
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if {![regexp {Program received signal SIGSEGV, Segmentation fault.} $gdb_output]} {
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puts stderr "Error: Segmentation fault exception was not catched"
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exit -1
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}
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if {![regexp {Genode::Ipc_istream::_wait} $gdb_output] ||
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![regexp {Genode::Ipc_server::_wait} $gdb_output] ||
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![regexp {Genode::sleep_forever ()} $gdb_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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2011-12-22 15:19:25 +00:00
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2012-02-09 17:37:20 +00:00
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puts "Test succeeded"
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2011-12-22 15:19:25 +00:00
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# vi: set ft=tcl :
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