コード例 #1
0
    def iter_registers(self):
        exe = os.path.join(os.getcwd(), "a.out")

        target = self.dbg.CreateTarget(exe)
        self.assertTrue(target, VALID_TARGET)

        breakpoint = target.BreakpointCreateByLocation("main.cpp", self.line1)
        self.assertTrue(breakpoint, VALID_BREAKPOINT)

        # Now launch the process, and do not stop at entry point.
        process = target.LaunchSimple(None, None, os.getcwd())

        if not process:
            self.fail("SBTarget.LaunchProcess() failed")

        import lldbutil
        for thread in process:
            if thread.GetStopReason() == lldb.eStopReasonBreakpoint:
                for frame in thread:
                    # Dump the registers of this frame using lldbutil.get_GPRs() and friends.
                    if self.TraceOn():
                        print frame

                    REGs = lldbutil.get_GPRs(frame)
                    num = len(REGs)
                    if self.TraceOn():
                        print "\nNumber of general purpose registers: %d" % num
                    for reg in REGs:
                        self.assertTrue(reg)
                        if self.TraceOn():
                            print "%s => %s" % (reg.GetName(), reg.GetValue())

                    REGs = lldbutil.get_FPRs(frame)
                    num = len(REGs)
                    if self.TraceOn():
                        print "\nNumber of floating point registers: %d" % num
                    for reg in REGs:
                        self.assertTrue(reg)
                        if self.TraceOn():
                            print "%s => %s" % (reg.GetName(), reg.GetValue())

                    REGs = lldbutil.get_ESRs(frame)
                    num = len(REGs)
                    if self.TraceOn():
                        print "\nNumber of exception state registers: %d" % num
                    for reg in REGs:
                        self.assertTrue(reg)
                        if self.TraceOn():
                            print "%s => %s" % (reg.GetName(), reg.GetValue())

                    # And these should also work.
                    for kind in ["General Purpose Registers",
                                 "Floating Point Registers",
                                 "Exception State Registers"]:
                        REGs = lldbutil.get_registers(frame, kind)
                        self.assertTrue(REGs)

                    # We've finished dumping the registers for frame #0.
                    break
コード例 #2
0
ファイル: TestFrames.py プロジェクト: markpeek/lldb
    def do_get_arg_vals(self):
        """Get argument vals for the call stack when stopped on a breakpoint."""
        exe = os.path.join(os.getcwd(), "a.out")

        # Create a target by the debugger.
        target = self.dbg.CreateTarget(exe)
        self.assertTrue(target, VALID_TARGET)

        # Now create a breakpoint on main.c by name 'c'.
        breakpoint = target.BreakpointCreateByName('c', 'a.out')
        #print "breakpoint:", breakpoint
        self.assertTrue(breakpoint and
                        breakpoint.GetNumLocations() == 1,
                        VALID_BREAKPOINT)

        # Now launch the process, and do not stop at the entry point.
        process = target.LaunchSimple(None, None, os.getcwd())

        process = target.GetProcess()
        self.assertTrue(process.GetState() == lldb.eStateStopped,
                        PROCESS_STOPPED)

        # Keeps track of the number of times 'a' is called where it is within a
        # depth of 3 of the 'c' leaf function.
        callsOfA = 0

        import StringIO
        session = StringIO.StringIO()
        while process.GetState() == lldb.eStateStopped:
            thread = process.GetThreadAtIndex(0)
            # Inspect at most 3 frames.
            numFrames = min(3, thread.GetNumFrames())
            for i in range(numFrames):
                frame = thread.GetFrameAtIndex(i)
                if self.TraceOn():
                    print "frame:", frame

                name = frame.GetFunction().GetName()
                if name == 'a':
                    callsOfA = callsOfA + 1

                # We'll inspect only the arguments for the current frame:
                #
                # arguments     => True
                # locals        => False
                # statics       => False
                # in_scope_only => True
                valList = frame.GetVariables(True, False, False, True)
                argList = []
                for val in valList:
                    argList.append("(%s)%s=%s" % (val.GetTypeName(),
                                                  val.GetName(),
                                                  val.GetValue()))
                print >> session, "%s(%s)" % (name, ", ".join(argList))
                
                # Also check the generic pc & stack pointer.  We can't test their absolute values,
                # but they should be valid.  Uses get_GPRs() from the lldbutil module.
                gpr_reg_set = lldbutil.get_GPRs(frame)
                pc_value = gpr_reg_set.GetChildMemberWithName("pc")
                self.assertTrue (pc_value, "We should have a valid PC.")
                self.assertTrue (int(pc_value.GetValue(), 0) == frame.GetPC(), "PC gotten as a value should equal frame's GetPC")
                sp_value = gpr_reg_set.GetChildMemberWithName("sp")
                self.assertTrue (sp_value, "We should have a valid Stack Pointer.")
                self.assertTrue (int(sp_value.GetValue(), 0) == frame.GetSP(), "SP gotten as a value should equal frame's GetSP")

            print >> session, "---"
            process.Continue()

        # At this point, the inferior process should have exited.
        self.assertTrue(process.GetState() == lldb.eStateExited, PROCESS_EXITED)

        # Expect to find 'a' on the call stacks two times.
        self.assertTrue(callsOfA == 2,
                        "Expect to find 'a' on the call stacks two times")
        # By design, the 'a' call frame has the following arg vals:
        #     o a((int)val=1, (char)ch='A')
        #     o a((int)val=3, (char)ch='A')
        if self.TraceOn():
            print "Full stack traces when stopped on the breakpoint 'c':"
            print session.getvalue()
        self.expect(session.getvalue(), "Argugment values displayed correctly",
                    exe=False,
            substrs = ["a((int)val=1, (char)ch='A')",
                       "a((int)val=3, (char)ch='A')"])
コード例 #3
0
    def do_get_arg_vals(self):
        """Get argument vals for the call stack when stopped on a breakpoint."""
        exe = os.path.join(os.getcwd(), "a.out")

        # Create a target by the debugger.
        target = self.dbg.CreateTarget(exe)
        self.assertTrue(target, VALID_TARGET)

        # Now create a breakpoint on main.c by name 'c'.
        breakpoint = target.BreakpointCreateByName('c', 'a.out')
        #print "breakpoint:", breakpoint
        self.assertTrue(breakpoint and breakpoint.GetNumLocations() == 1,
                        VALID_BREAKPOINT)

        # Now launch the process, and do not stop at the entry point.
        process = target.LaunchSimple(None, None,
                                      self.get_process_working_directory())

        process = target.GetProcess()
        self.assertTrue(process.GetState() == lldb.eStateStopped,
                        PROCESS_STOPPED)

        # Keeps track of the number of times 'a' is called where it is within a
        # depth of 3 of the 'c' leaf function.
        callsOfA = 0

        import StringIO
        session = StringIO.StringIO()
        while process.GetState() == lldb.eStateStopped:
            thread = process.GetThreadAtIndex(0)
            # Inspect at most 3 frames.
            numFrames = min(3, thread.GetNumFrames())
            for i in range(numFrames):
                frame = thread.GetFrameAtIndex(i)
                if self.TraceOn():
                    print "frame:", frame

                name = frame.GetFunction().GetName()
                if name == 'a':
                    callsOfA = callsOfA + 1

                # We'll inspect only the arguments for the current frame:
                #
                # arguments     => True
                # locals        => False
                # statics       => False
                # in_scope_only => True
                valList = frame.GetVariables(True, False, False, True)
                argList = []
                for val in valList:
                    argList.append(
                        "(%s)%s=%s" %
                        (val.GetTypeName(), val.GetName(), val.GetValue()))
                print >> session, "%s(%s)" % (name, ", ".join(argList))

                # Also check the generic pc & stack pointer.  We can't test their absolute values,
                # but they should be valid.  Uses get_GPRs() from the lldbutil module.
                gpr_reg_set = lldbutil.get_GPRs(frame)
                pc_value = gpr_reg_set.GetChildMemberWithName("pc")
                self.assertTrue(pc_value, "We should have a valid PC.")
                pc_value_str = pc_value.GetValue()
                self.assertTrue(pc_value_str,
                                "We should have a valid PC string.")
                self.assertTrue(
                    int(pc_value_str, 0) == frame.GetPC(),
                    "PC gotten as a value should equal frame's GetPC")
                sp_value = gpr_reg_set.GetChildMemberWithName("sp")
                self.assertTrue(sp_value,
                                "We should have a valid Stack Pointer.")
                self.assertTrue(
                    int(sp_value.GetValue(), 0) == frame.GetSP(),
                    "SP gotten as a value should equal frame's GetSP")

            print >> session, "---"
            process.Continue()

        # At this point, the inferior process should have exited.
        self.assertTrue(process.GetState() == lldb.eStateExited,
                        PROCESS_EXITED)

        # Expect to find 'a' on the call stacks two times.
        self.assertTrue(callsOfA == 2,
                        "Expect to find 'a' on the call stacks two times")
        # By design, the 'a' call frame has the following arg vals:
        #     o a((int)val=1, (char)ch='A')
        #     o a((int)val=3, (char)ch='A')
        if self.TraceOn():
            print "Full stack traces when stopped on the breakpoint 'c':"
            print session.getvalue()
        self.expect(session.getvalue(),
                    "Argugment values displayed correctly",
                    exe=False,
                    substrs=[
                        "a((int)val=1, (char)ch='A')",
                        "a((int)val=3, (char)ch='A')"
                    ])
コード例 #4
0
    # print main_bp

    # Launch the process. Since we specified synchronous mode, we won't return
    # from this function until we hit the breakpoint at main
    process = target.LaunchSimple(None, None, os.getcwd())
    # process = target.Attach (attach_info, error)

    # Make sure the launch went ok
    if process:
        # Print some simple process info
        state = process.GetState()
        print "Process info %s" % process

        for thread in process:
            ID = thread.GetThreadID()
            print "thread id: %d" % ID
            frames = thread.frames
            for frame in frames:
                print frame
                registers = lldbutil.get_GPRs(frame)
                for reg in registers:
                    print "%s => %s" % (reg.GetName(), reg.GetValue())

            # if thread.GetStopReason() == lldb.eStopReasonBreakpoint:
            #     stopped_due_to_breakpoint = True
            # for frame in thread:
            #     self.assertTrue(frame.GetThread().GetThreadID() == ID)
            #     if self.TraceOn():
            #         print frame