1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
"""
Test that we handle breakpoints on consecutive instructions correctly.
"""
from __future__ import print_function
import unittest2
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class ConsecutiveBreakpointsTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def prepare_test(self):
self.build()
exe = os.path.join (os.getcwd(), "a.out")
# Create a target by the debugger.
self.target = self.dbg.CreateTarget(exe)
self.assertTrue(self.target, VALID_TARGET)
breakpoint1 = self.target.BreakpointCreateBySourceRegex("Set breakpoint here", lldb.SBFileSpec("main.cpp"))
self.assertTrue(breakpoint1 and breakpoint1.GetNumLocations() == 1, VALID_BREAKPOINT)
# Now launch the process, and do not stop at entry point.
self.process = self.target.LaunchSimple (None, None, self.get_process_working_directory())
self.assertIsNotNone(self.process, PROCESS_IS_VALID)
# We should be stopped at the first breakpoint
self.thread = lldbutil.get_one_thread_stopped_at_breakpoint(self.process, breakpoint1)
self.assertIsNotNone(self.thread, "Expected one thread to be stopped at breakpoint 1")
# Set breakpoint to the next instruction
frame = self.thread.GetFrameAtIndex(0)
address = frame.GetPCAddress()
instructions = self.target.ReadInstructions(address, 2)
self.assertTrue(len(instructions) == 2)
self.bkpt_address = instructions[1].GetAddress()
self.breakpoint2 = self.target.BreakpointCreateByAddress(self.bkpt_address.GetLoadAddress(self.target))
self.assertTrue(self.breakpoint2 and self.breakpoint2.GetNumLocations() == 1, VALID_BREAKPOINT)
def finish_test(self):
# Run the process until termination
self.process.Continue()
self.assertEquals(self.process.GetState(), lldb.eStateExited)
@no_debug_info_test
def test_continue(self):
"""Test that continue stops at the second breakpoint."""
self.prepare_test()
self.process.Continue()
self.assertEquals(self.process.GetState(), lldb.eStateStopped)
# We should be stopped at the second breakpoint
self.thread = lldbutil.get_one_thread_stopped_at_breakpoint(self.process, self.breakpoint2)
self.assertIsNotNone(self.thread, "Expected one thread to be stopped at breakpoint 2")
self.finish_test()
@no_debug_info_test
def test_single_step(self):
"""Test that single step stops at the second breakpoint."""
self.prepare_test()
step_over = False
self.thread.StepInstruction(step_over)
self.assertEquals(self.process.GetState(), lldb.eStateStopped)
self.assertEquals(self.thread.GetFrameAtIndex(0).GetPCAddress().GetLoadAddress(self.target),
self.bkpt_address.GetLoadAddress(self.target))
self.thread = lldbutil.get_one_thread_stopped_at_breakpoint(self.process, self.breakpoint2)
self.assertIsNotNone(self.thread, "Expected one thread to be stopped at breakpoint 2")
self.finish_test()
@no_debug_info_test
def test_single_step_thread_specific(self):
"""Test that single step stops, even though the second breakpoint is not valid."""
self.prepare_test()
# Choose a thread other than the current one. A non-existing thread is fine.
thread_index = self.process.GetNumThreads()+1
self.assertFalse(self.process.GetThreadAtIndex(thread_index).IsValid())
self.breakpoint2.SetThreadIndex(thread_index)
step_over = False
self.thread.StepInstruction(step_over)
self.assertEquals(self.process.GetState(), lldb.eStateStopped)
self.assertEquals(self.thread.GetFrameAtIndex(0).GetPCAddress().GetLoadAddress(self.target),
self.bkpt_address.GetLoadAddress(self.target))
self.assertEquals(self.thread.GetStopReason(), lldb.eStopReasonPlanComplete,
"Stop reason should be 'plan complete'")
self.finish_test()
|
