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
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
|
"""Test the SBData APIs."""
import os
import unittest2
import lldb
import pexpect
from lldbtest import *
from math import fabs
class SBDataAPICase(TestBase):
mydir = os.path.join("python_api", "sbdata")
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
@python_api_test
def test_with_dsym_and_run_command(self):
"""Test the SBData APIs."""
self.buildDsym()
self.data_api()
@python_api_test
def test_with_dwarf_and_run_command(self):
"""Test the SBData APIs."""
self.buildDwarf()
self.data_api()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break on inside main.cpp.
self.line = line_number('main.cpp', '// set breakpoint here')
def data_api(self):
"""Test the SBData APIs."""
self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
self.expect("breakpoint set -f main.cpp -l %d" % self.line,
BREAKPOINT_CREATED,
startstr = "Breakpoint created: 1: file ='main.cpp', line = %d, locations = 1" %
self.line)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stopped',
'stop reason = breakpoint'])
target = self.dbg.GetSelectedTarget()
process = target.GetProcess()
thread = process.GetThreadAtIndex(0)
frame = thread.GetSelectedFrame()
print frame
foobar = frame.FindVariable('foobar')
self.assertTrue(foobar.IsValid())
if self.TraceOn():
print foobar
data = foobar.GetPointeeData(0, 2)
if self.TraceOn():
print data
offset = 0
error = lldb.SBError()
self.assertTrue(data.GetUnsignedInt32(error, offset) == 1, 'foo[0].a == 1')
offset += 4
low = data.GetSignedInt16(error, offset)
offset += 2
high = data.GetSignedInt16(error, offset)
offset += 2
self.assertTrue ((low == 9 and high == 0) or (low == 0 and high == 9), 'foo[0].b == 9')
self.assertTrue( fabs(data.GetFloat(error, offset) - 3.14) < 1, 'foo[0].c == 3.14')
offset += 4
self.assertTrue(data.GetUnsignedInt32(error, offset) == 8, 'foo[1].a == 8')
offset += 4
self.assertTrue(data.GetUnsignedInt32(error, offset) == 5, 'foo[1].b == 5')
offset += 4
self.runCmd("n")
offset = 16
self.assertTrue(data.GetUnsignedInt32(error, offset) == 5, 'saved foo[1].b == 5')
data = foobar.GetPointeeData(1, 1)
offset = 0
self.assertTrue(data.GetSignedInt32(error, offset) == 8, 'new foo[1].a == 8')
offset += 4
self.assertTrue(data.GetSignedInt32(error, offset) == 7, 'new foo[1].a == 7')
offset += 8
self.assertTrue(data.GetUnsignedInt32(error, offset) == 0, 'do not read beyond end')
star_foobar = foobar.Dereference()
self.assertTrue(star_foobar.IsValid())
data = star_foobar.GetData()
if self.TraceOn():
print data
offset = 0
self.assertTrue(data.GetUnsignedInt32(error, offset) == 1, 'foo[0].a == 1')
offset += 4
self.assertTrue(data.GetUnsignedInt32(error, offset) == 9, 'foo[0].b == 9')
foobar_addr = star_foobar.GetLoadAddress()
foobar_addr += 12
# http://llvm.org/bugs/show_bug.cgi?id=11579
# lldb::SBValue::CreateValueFromAddress does not verify SBType::GetPointerType succeeds
# This should not crash LLDB.
nothing = foobar.CreateValueFromAddress("nothing", foobar_addr, star_foobar.GetType().GetBasicType(lldb.eBasicTypeInvalid))
new_foobar = foobar.CreateValueFromAddress("f00", foobar_addr, star_foobar.GetType())
self.assertTrue(new_foobar.IsValid())
if self.TraceOn():
print new_foobar
data = new_foobar.GetData()
if self.TraceOn():
print data
offset = 0
self.assertTrue(data.GetUnsignedInt32(error, offset) == 8, 'then foo[1].a == 8')
offset += 4
self.assertTrue(data.GetUnsignedInt32(error, offset) == 7, 'then foo[1].b == 7')
offset += 4
self.assertTrue(fabs(data.GetFloat(error, offset) - 3.14) < 1, 'foo[1].c == 3.14')
self.runCmd("n")
offset = 0
self.assertTrue(data.GetUnsignedInt32(error, offset) == 8, 'then foo[1].a == 8')
offset += 4
self.assertTrue(data.GetUnsignedInt32(error, offset) == 7, 'then foo[1].b == 7')
offset += 4
self.assertTrue(fabs(data.GetFloat(error, offset) - 3.14) < 1, 'foo[1].c == 3.14')
data = new_foobar.GetData()
if self.TraceOn():
print data
offset = 0
self.assertTrue(data.GetUnsignedInt32(error, offset) == 8, 'finally foo[1].a == 8')
offset += 4
self.assertTrue(data.GetUnsignedInt32(error, offset) == 7, 'finally foo[1].b == 7')
offset += 4
self.assertTrue(fabs(data.GetFloat(error, offset) - 6.28) < 1, 'foo[1].c == 6.28')
self.runCmd("n")
barfoo = frame.FindVariable('barfoo')
data = barfoo.GetData()
if self.TraceOn():
print barfoo
if self.TraceOn():
print data
offset = 0
self.assertTrue(data.GetUnsignedInt32(error, offset) == 1, 'barfoo[0].a = 1')
offset += 4
self.assertTrue(data.GetUnsignedInt32(error, offset) == 2, 'barfoo[0].b == 2')
offset += 4
self.assertTrue(fabs(data.GetFloat(error, offset) - 3) < 1, 'barfoo[0].c == 3')
offset += 4
self.assertTrue(data.GetUnsignedInt32(error, offset) == 4, 'barfoo[1].a = 4')
offset += 4
self.assertTrue(data.GetUnsignedInt32(error, offset) == 5, 'barfoo[1].b == 5')
offset += 4
self.assertTrue(fabs(data.GetFloat(error, offset) - 6) < 1, 'barfoo[1].c == 6')
new_object = barfoo.CreateValueFromData("new_object",data,barfoo.GetType().GetBasicType(lldb.eBasicTypeInt))
if self.TraceOn():
print new_object
self.assertTrue(new_object.GetLoadAddress() == 0xFFFFFFFFFFFFFFFF, 'GetLoadAddress() == invalid')
self.assertTrue(new_object.AddressOf().IsValid() == False, 'AddressOf() == invalid')
self.assertTrue(new_object.GetAddress().IsValid() == False, 'GetAddress() == invalid')
self.assertTrue(new_object.GetValue() == "1", 'new_object == 1')
data.SetData(error, 'A\0\0\0', data.GetByteOrder(), data.GetAddressByteSize())
data2 = lldb.SBData()
data2.SetData(error, 'BCD', data.GetByteOrder(), data.GetAddressByteSize())
data.Append(data2)
if self.TraceOn():
print data
# this breaks on EBCDIC
offset = 0
self.assertTrue(data.GetUnsignedInt32(error, offset) == 65, 'made-up data == 65')
offset += 4
self.assertTrue(data.GetUnsignedInt8(error, offset) == 66, 'made-up data == 66')
offset += 1
self.assertTrue(data.GetUnsignedInt8(error, offset) == 67, 'made-up data == 67')
offset += 1
self.assertTrue(data.GetUnsignedInt8(error, offset) == 68, 'made-up data == 68')
offset += 1
# check the new API calls introduced per LLVM bugzilla enhancement request
# 11619 (Allow creating SBData values from arrays or primitives in Python)
data2 = lldb.SBData.CreateDataFromCString(process.GetByteOrder(),process.GetAddressByteSize(),'hello!')
self.assertTrue(data2.GetUnsignedInt8(error,0) == 104, 'h == 104')
self.assertTrue(data2.GetUnsignedInt8(error,1) == 101, 'e == 101')
self.assertTrue(data2.GetUnsignedInt8(error,2) == 108, 'l == 108')
self.assertTrue(data2.GetUnsignedInt8(error,3) == 108, 'l == 108')
self.assertTrue(data2.GetUnsignedInt8(error,4) == 111, 'o == 111')
self.assertTrue(data2.GetUnsignedInt8(error,5) == 33, '! == 33')
self.assertTrue(data2.GetUnsignedInt8(error,6) == 0, 'binary 0 terminator')
data2 = lldb.SBData.CreateDataFromUInt64Array(process.GetByteOrder(),process.GetAddressByteSize(),[1,2,3,4,5])
self.assertTrue(data2.GetUnsignedInt64(error,0) == 1, 'data2[0] = 1')
self.assertTrue(data2.GetUnsignedInt64(error,8) == 2, 'data2[1] = 2')
self.assertTrue(data2.GetUnsignedInt64(error,16) == 3, 'data2[2] = 3')
self.assertTrue(data2.GetUnsignedInt64(error,24) == 4, 'data2[3] = 4')
self.assertTrue(data2.GetUnsignedInt64(error,32) == 5, 'data2[4] = 5')
data2 = lldb.SBData.CreateDataFromSInt32Array(process.GetByteOrder(),process.GetAddressByteSize(),[2, -2])
self.assertTrue(data2.GetSignedInt32(error,0) == 2, 'signed32 data2[0] = 2')
self.assertTrue(data2.GetSignedInt32(error,4) == -2, 'signed32 data2[1] = -2')
data2.Append(lldb.SBData.CreateDataFromSInt64Array(process.GetByteOrder(),process.GetAddressByteSize(),[2, -2]))
self.assertTrue(data2.GetSignedInt32(error,0) == 2, 'signed32 data2[0] = 2')
self.assertTrue(data2.GetSignedInt32(error,4) == -2, 'signed32 data2[1] = -2')
self.assertTrue(data2.GetSignedInt64(error,8) == 2, 'signed64 data2[0] = 2')
self.assertTrue(data2.GetSignedInt64(error,16) == -2, 'signed64 data2[1] = -2')
data2 = lldb.SBData.CreateDataFromUInt32Array(process.GetByteOrder(),process.GetAddressByteSize(),[1,2,3,4,5])
self.assertTrue(data2.GetUnsignedInt32(error,0) == 1, '32-bit data2[0] = 1')
self.assertTrue(data2.GetUnsignedInt32(error,4) == 2, '32-bit data2[1] = 2')
self.assertTrue(data2.GetUnsignedInt32(error,8) == 3, '32-bit data2[2] = 3')
self.assertTrue(data2.GetUnsignedInt32(error,12) == 4, '32-bit data2[3] = 4')
self.assertTrue(data2.GetUnsignedInt32(error,16) == 5, '32-bit data2[4] = 5')
data2 = lldb.SBData.CreateDataFromDoubleArray(process.GetByteOrder(),process.GetAddressByteSize(),[3.14,6.28,2.71])
self.assertTrue( fabs(data2.GetDouble(error,0) - 3.14) < 0.5, 'double data2[0] = 3.14')
self.assertTrue( fabs(data2.GetDouble(error,8) - 6.28) < 0.5, 'double data2[1] = 6.28')
self.assertTrue( fabs(data2.GetDouble(error,16) - 2.71) < 0.5, 'double data2[2] = 2.71')
data2 = lldb.SBData()
data2.SetDataFromCString('hello!')
self.assertTrue(data2.GetUnsignedInt8(error,0) == 104, 'set h == 104')
self.assertTrue(data2.GetUnsignedInt8(error,1) == 101, 'set e == 101')
self.assertTrue(data2.GetUnsignedInt8(error,2) == 108, 'set l == 108')
self.assertTrue(data2.GetUnsignedInt8(error,3) == 108, 'set l == 108')
self.assertTrue(data2.GetUnsignedInt8(error,4) == 111, 'set o == 111')
self.assertTrue(data2.GetUnsignedInt8(error,5) == 33, 'set ! == 33')
self.assertTrue(data2.GetUnsignedInt8(error,6) == 0, 'set binary 0 terminator')
data2.SetDataFromUInt64Array([1,2,3,4,5])
self.assertTrue(data2.GetUnsignedInt64(error,0) == 1, 'set data2[0] = 1')
self.assertTrue(data2.GetUnsignedInt64(error,8) == 2, 'set data2[1] = 2')
self.assertTrue(data2.GetUnsignedInt64(error,16) == 3, 'set data2[2] = 3')
self.assertTrue(data2.GetUnsignedInt64(error,24) == 4, 'set data2[3] = 4')
self.assertTrue(data2.GetUnsignedInt64(error,32) == 5, 'set data2[4] = 5')
data2.SetDataFromSInt32Array([2, -2])
self.assertTrue(data2.GetSignedInt32(error,0) == 2, 'set signed32 data2[0] = 2')
self.assertTrue(data2.GetSignedInt32(error,4) == -2, 'set signed32 data2[1] = -2')
data2.SetDataFromSInt64Array([2, -2])
self.assertTrue(data2.GetSignedInt32(error,0) == 2, 'set signed64 data2[0] = 2')
self.assertTrue(data2.GetSignedInt32(error,8) == -2, 'set signed64 data2[1] = -2')
data2.SetDataFromUInt32Array([1,2,3,4,5])
self.assertTrue(data2.GetUnsignedInt32(error,0) == 1, 'set 32-bit data2[0] = 1')
self.assertTrue(data2.GetUnsignedInt32(error,4) == 2, 'set 32-bit data2[1] = 2')
self.assertTrue(data2.GetUnsignedInt32(error,8) == 3, 'set 32-bit data2[2] = 3')
self.assertTrue(data2.GetUnsignedInt32(error,12) == 4, 'set 32-bit data2[3] = 4')
self.assertTrue(data2.GetUnsignedInt32(error,16) == 5, 'set 32-bit data2[4] = 5')
data2.SetDataFromDoubleArray([3.14,6.28,2.71])
self.assertTrue( fabs(data2.GetDouble(error,0) - 3.14) < 0.5, 'set double data2[0] = 3.14')
self.assertTrue( fabs(data2.GetDouble(error,8) - 6.28) < 0.5, 'set double data2[1] = 6.28')
self.assertTrue( fabs(data2.GetDouble(error,16) - 2.71) < 0.5, 'set double data2[2] = 2.71')
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()
|
