1"""
2Use lldb Python API to disassemble raw machine code bytes
3"""
4
5from __future__ import print_function
6
7
8import re
9import lldb
10from lldbsuite.test.decorators import *
11from lldbsuite.test.lldbtest import *
12from lldbsuite.test import lldbutil
13
14
15class DisassembleRawDataTestCase(TestBase):
16
17    mydir = TestBase.compute_mydir(__file__)
18
19    @no_debug_info_test
20    @skipIfRemote
21    def test_disassemble_raw_data(self):
22        """Test disassembling raw bytes with the API."""
23        # Create a target from the debugger.
24        arch = self.getArchitecture()
25        if re.match("mips*el", arch):
26            target = self.dbg.CreateTargetWithFileAndTargetTriple("", "mipsel")
27            raw_bytes = bytearray([0x21, 0xf0, 0xa0, 0x03])
28        elif re.match("mips", arch):
29            target = self.dbg.CreateTargetWithFileAndTargetTriple("", "mips")
30            raw_bytes = bytearray([0x03, 0xa0, 0xf0, 0x21])
31        elif re.match("powerpc64le", arch):
32            target = self.dbg.CreateTargetWithFileAndTargetTriple("", "powerpc64le")
33            raw_bytes = bytearray([0x00, 0x00, 0x80, 0x38])
34        elif arch == "aarch64":
35            target = self.dbg.CreateTargetWithFileAndTargetTriple("", "aarch64")
36            raw_bytes = bytearray([0x60, 0x0c, 0x80, 0x52])
37        elif arch == "arm":
38            target = self.dbg.CreateTargetWithFileAndTargetTriple("", "arm")
39            raw_bytes = bytearray([0x63, 0x30, 0xa0, 0xe3])
40        else:
41            target = self.dbg.CreateTargetWithFileAndTargetTriple("", "x86_64")
42            raw_bytes = bytearray([0x48, 0x89, 0xe5])
43
44        self.assertTrue(target, VALID_TARGET)
45        insts = target.GetInstructions(lldb.SBAddress(0, target), raw_bytes)
46
47        inst = insts.GetInstructionAtIndex(0)
48
49        if self.TraceOn():
50            print()
51            print("Raw bytes:    ", [hex(x) for x in raw_bytes])
52            print("Disassembled%s" % str(inst))
53        if re.match("mips", arch):
54            self.assertEqual(inst.GetMnemonic(target), "move")
55            self.assertEqual(inst.GetOperands(target),
56                            '$' + "fp, " + '$' + "sp")
57        elif re.match("powerpc64le", arch):
58            self.assertEqual(inst.GetMnemonic(target), "li")
59            self.assertEqual(inst.GetOperands(target), "4, 0")
60        elif arch == "aarch64":
61            self.assertEqual(inst.GetMnemonic(target), "mov")
62            self.assertEqual(inst.GetOperands(target), "w0, #0x63")
63        elif arch == "arm":
64            self.assertEqual(inst.GetMnemonic(target), "mov")
65            self.assertEqual(inst.GetOperands(target), "r3, #99")
66        else:
67            self.assertEqual(inst.GetMnemonic(target), "movq")
68            self.assertEqual(inst.GetOperands(target),
69                            '%' + "rsp, " + '%' + "rbp")
70