1"""
2Use lldb Python API to disassemble raw machine code bytes
3"""
4
5import os, time
6import re
7import unittest2
8import lldb, lldbutil
9from lldbtest import *
10
11class Disassemble_VST1_64(TestBase):
12
13    mydir = os.path.join("python_api", "disassemble-raw-data")
14
15    @python_api_test
16    def test_disassemble_invalid_vst_1_64_raw_data(self):
17        """Test disassembling invalid vst1.64 raw bytes with the API."""
18        self.disassemble_invalid_vst_1_64_raw_data()
19
20    def disassemble_invalid_vst_1_64_raw_data(self):
21        """Test disassembling invalid vst1.64 raw bytes with the API."""
22        # Create a target from the debugger.
23
24        target = self.dbg.CreateTargetWithFileAndTargetTriple ("", "thumbv7")
25        self.assertTrue(target, VALID_TARGET)
26
27        raw_bytes = bytearray([0xf0, 0xb5, 0x03, 0xaf,
28                               0x2d, 0xe9, 0x00, 0x0d,
29                               0xad, 0xf1, 0x40, 0x04,
30                               0x24, 0xf0, 0x0f, 0x04,
31                               0xa5, 0x46])
32
33        insts = target.GetInstructions(lldb.SBAddress(), raw_bytes)
34
35        if self.TraceOn():
36            print
37            for i in insts:
38                print "Disassembled%s" % str(i)
39
40        # Remove the following return statement when the radar is fixed.
41        return
42
43        # rdar://problem/11034702
44        # VST1 (multiple single elements) encoding?
45        # The disassembler should not crash!
46        raw_bytes = bytearray([0x04, 0xf9, 0xed, 0x82])
47
48        insts = target.GetInstructions(lldb.SBAddress(), raw_bytes)
49
50        inst = insts.GetInstructionAtIndex(0)
51
52        if self.TraceOn():
53            print
54            print "Raw bytes:    ", [hex(x) for x in raw_bytes]
55            print "Disassembled%s" % str(inst)
56
57        self.assertTrue (inst.GetMnemonic(target) == "vst1.64")
58
59
60if __name__ == '__main__':
61    import atexit
62    lldb.SBDebugger.Initialize()
63    atexit.register(lambda: lldb.SBDebugger.Terminate())
64    unittest2.main()
65