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    @no_debug_info_test
18    @skipIfRemote
19    def test_disassemble_raw_data(self):
20        """Test disassembling raw bytes with the API."""
21        # Create a target from the debugger.
22        arch = self.getArchitecture()
23        if re.match("mips*el", arch):
24            target = self.dbg.CreateTargetWithFileAndTargetTriple("", "mipsel")
25            raw_bytes = bytearray([0x21, 0xf0, 0xa0, 0x03])
26        elif re.match("mips", arch):
27            target = self.dbg.CreateTargetWithFileAndTargetTriple("", "mips")
28            raw_bytes = bytearray([0x03, 0xa0, 0xf0, 0x21])
29        elif re.match("powerpc64le", arch):
30            target = self.dbg.CreateTargetWithFileAndTargetTriple("", "powerpc64le")
31            raw_bytes = bytearray([0x00, 0x00, 0x80, 0x38])
32        elif arch in ("aarch64", "arm64"):
33            target = self.dbg.CreateTargetWithFileAndTargetTriple("", "aarch64")
34            raw_bytes = bytearray([0x60, 0x0c, 0x80, 0x52])
35        elif arch == "arm":
36            target = self.dbg.CreateTargetWithFileAndTargetTriple("", "arm")
37            raw_bytes = bytearray([0x63, 0x30, 0xa0, 0xe3])
38        else:
39            target = self.dbg.CreateTargetWithFileAndTargetTriple("", "x86_64")
40            raw_bytes = bytearray([0x48, 0x89, 0xe5])
41
42        self.assertTrue(target, VALID_TARGET)
43        insts = target.GetInstructions(lldb.SBAddress(0, target), raw_bytes)
44
45        inst = insts.GetInstructionAtIndex(0)
46
47        if self.TraceOn():
48            print()
49            print("Raw bytes:    ", [hex(x) for x in raw_bytes])
50            print("Disassembled%s" % str(inst))
51        if re.match("mips", arch):
52            self.assertEqual(inst.GetMnemonic(target), "move")
53            self.assertEqual(inst.GetOperands(target),
54                            '$' + "fp, " + '$' + "sp")
55        elif re.match("powerpc64le", arch):
56            self.assertEqual(inst.GetMnemonic(target), "li")
57            self.assertEqual(inst.GetOperands(target), "4, 0")
58        elif arch in ("aarch64", "arm64"):
59            self.assertEqual(inst.GetMnemonic(target), "mov")
60            self.assertEqual(inst.GetOperands(target), "w0, #0x63")
61        elif arch == "arm":
62            self.assertEqual(inst.GetMnemonic(target), "mov")
63            self.assertEqual(inst.GetOperands(target), "r3, #99")
64        else:
65            self.assertEqual(inst.GetMnemonic(target), "movq")
66            self.assertEqual(inst.GetOperands(target),
67                            '%' + "rsp, " + '%' + "rbp")
68