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"""
Use lldb Python API to disassemble raw machine code bytes
"""
from __future__ import print_function
import re
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class DisassembleRawDataTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@no_debug_info_test
@skipIfRemote
@skipIfReproducer # GetInstructions is not instrumented.
def test_disassemble_raw_data(self):
"""Test disassembling raw bytes with the API."""
# Create a target from the debugger.
arch = self.getArchitecture()
if re.match("mips*el", arch):
target = self.dbg.CreateTargetWithFileAndTargetTriple("", "mipsel")
raw_bytes = bytearray([0x21, 0xf0, 0xa0, 0x03])
elif re.match("mips", arch):
target = self.dbg.CreateTargetWithFileAndTargetTriple("", "mips")
raw_bytes = bytearray([0x03, 0xa0, 0xf0, 0x21])
elif re.match("powerpc64le", arch):
target = self.dbg.CreateTargetWithFileAndTargetTriple("", "powerpc64le")
raw_bytes = bytearray([0x00, 0x00, 0x80, 0x38])
elif arch == "aarch64":
target = self.dbg.CreateTargetWithFileAndTargetTriple("", "aarch64")
raw_bytes = bytearray([0x60, 0x0c, 0x80, 0x52])
elif arch == "arm":
target = self.dbg.CreateTargetWithFileAndTargetTriple("", "arm")
raw_bytes = bytearray([0x63, 0x30, 0xa0, 0xe3])
else:
target = self.dbg.CreateTargetWithFileAndTargetTriple("", "x86_64")
raw_bytes = bytearray([0x48, 0x89, 0xe5])
self.assertTrue(target, VALID_TARGET)
insts = target.GetInstructions(lldb.SBAddress(0, target), raw_bytes)
inst = insts.GetInstructionAtIndex(0)
if self.TraceOn():
print()
print("Raw bytes: ", [hex(x) for x in raw_bytes])
print("Disassembled%s" % str(inst))
if re.match("mips", arch):
self.assertEqual(inst.GetMnemonic(target), "move")
self.assertEqual(inst.GetOperands(target),
'$' + "fp, " + '$' + "sp")
elif re.match("powerpc64le", arch):
self.assertEqual(inst.GetMnemonic(target), "li")
self.assertEqual(inst.GetOperands(target), "4, 0")
elif arch == "aarch64":
self.assertEqual(inst.GetMnemonic(target), "mov")
self.assertEqual(inst.GetOperands(target), "w0, #0x63")
elif arch == "arm":
self.assertEqual(inst.GetMnemonic(target), "mov")
self.assertEqual(inst.GetOperands(target), "r3, #99")
else:
self.assertEqual(inst.GetMnemonic(target), "movq")
self.assertEqual(inst.GetOperands(target),
'%' + "rsp, " + '%' + "rbp")
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