packages/Python/lldbsuite/test/python_api/disassemble-raw-data/TestDisassembleRawData.py

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