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
|
"""
Test the solution to issue 11581.
valobj.AddressOf() returns None when an address is
expected in a SyntheticChildrenProvider
"""
from __future__ import print_function
import os
import time
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class Issue11581TestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24778")
def test_11581_commands(self):
# This is the function to remove the custom commands in order to have a
# clean slate for the next test case.
def cleanup():
self.runCmd('type synthetic clear', check=False)
# Execute the cleanup function during test case tear down.
self.addTearDownHook(cleanup)
"""valobj.AddressOf() should return correct values."""
self.build()
exe = os.path.join(os.getcwd(), "a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
breakpoint = target.BreakpointCreateBySourceRegex(
'Set breakpoint here.', lldb.SBFileSpec("main.cpp", False))
process = target.LaunchSimple(
None, None, self.get_process_working_directory())
self.assertTrue(process, "Created a process.")
self.assertTrue(
process.GetState() == lldb.eStateStopped,
"Stopped it too.")
thread_list = lldbutil.get_threads_stopped_at_breakpoint(
process, breakpoint)
self.assertTrue(len(thread_list) == 1)
thread = thread_list[0]
self.runCmd("command script import --allow-reload s11588.py")
self.runCmd(
"type synthetic add --python-class s11588.Issue11581SyntheticProvider StgClosure")
self.expect("expr --show-types -- *((StgClosure*)(r14-1))",
substrs=["(StgClosure) $",
"(StgClosure *) &$", "0x",
"addr = ",
"load_address = "])
# register r14 is an x86_64 extension let's skip this part of the test
# if we are on a different architecture
if self.getArchitecture() == 'x86_64':
target = lldb.debugger.GetSelectedTarget()
process = target.GetProcess()
frame = process.GetSelectedThread().GetSelectedFrame()
pointer = frame.FindVariable("r14")
addr = pointer.GetValueAsUnsigned(0)
self.assertTrue(addr != 0, "could not read pointer to StgClosure")
addr = addr - 1
self.runCmd("register write r14 %d" % addr)
self.expect(
"register read r14", substrs=[
"0x", hex(addr)[
2:].rstrip("L")]) # Remove trailing 'L' if it exists
self.expect("expr --show-types -- *(StgClosure*)$r14",
substrs=["(StgClosure) $",
"(StgClosure *) &$", "0x",
"addr = ",
"load_address = ",
hex(addr)[2:].rstrip("L"),
str(addr)])
|
