blob: 50ea173705249a8f94b054e4cf7c75ee2a2ab2cf (
plain)
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
|
"""
Test that we can backtrace up an ARM Cortex-M Exception return stack
"""
import lldb
import json
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestCortexMExceptionUnwind(TestBase):
NO_DEBUG_INFO_TESTCASE = True
@skipIfLLVMTargetMissing("ARM")
def test_no_fpu(self):
"""Test that we can backtrace correctly through an ARM Cortex-M Exception return stack"""
target = self.dbg.CreateTarget("")
exe = "binary.json"
with open(exe) as f:
exe_json = json.load(f)
exe_uuid = exe_json["uuid"]
target.AddModule(exe, "", exe_uuid)
self.assertTrue(target.IsValid())
core = self.getBuildArtifact("core")
self.yaml2macho_core("armv7m-nofpu-exception.yaml", core, exe_uuid)
if self.TraceOn():
self.runCmd("log enable lldb unwind")
process = target.LoadCore(core)
self.assertTrue(process.IsValid())
if self.TraceOn():
self.runCmd("target list")
self.runCmd("image list")
self.runCmd("target modules dump sections")
self.runCmd("target modules dump symtab")
self.runCmd("bt")
thread = process.GetThreadAtIndex(0)
self.assertTrue(thread.IsValid())
self.assertEqual(thread.GetNumFrames(), 3)
stackframe_names = [
"exception_catcher",
"exception_thrower",
"main",
]
for i, name in enumerate(stackframe_names):
self.assertEqual(name, thread.GetFrameAtIndex(i).GetSymbol().GetName())
|
