""" Use lldb Python API to disassemble raw machine code bytes """ import re import lldb from lldbsuite.test.decorators import * from lldbsuite.test.lldbtest import * from lldbsuite.test import lldbutil class DisassembleRawDataTestCase(TestBase): @no_debug_info_test @skipIfRemote 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 in ("aarch64", "arm64"): 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") self.assertEqual( inst.GetControlFlowKind(target), lldb.eInstructionControlFlowKindUnknown ) elif re.match("powerpc64le", arch): self.assertEqual(inst.GetMnemonic(target), "li") self.assertEqual(inst.GetOperands(target), "4, 0") self.assertEqual( inst.GetControlFlowKind(target), lldb.eInstructionControlFlowKindUnknown ) elif arch in ("aarch64", "arm64"): self.assertEqual(inst.GetMnemonic(target), "mov") self.assertEqual(inst.GetOperands(target), "w0, #0x63") self.assertEqual(inst.GetComment(target), "=99 ") self.assertEqual( inst.GetControlFlowKind(target), lldb.eInstructionControlFlowKindUnknown ) # Make sure that using colors doesn't affect the output here. res = lldb.SBCommandReturnObject() ci = self.dbg.GetCommandInterpreter() ci.HandleCommand("settings set use-color true", res) self.assertEqual(inst.GetOperands(target), "w0, #0x63") self.assertEqual(inst.GetMnemonic(target), "mov") self.assertEqual(inst.GetComment(target), "=99 ") ci.HandleCommand("settings set use-color false", res) elif arch == "arm": self.assertEqual(inst.GetMnemonic(target), "mov") self.assertEqual(inst.GetOperands(target), "r3, #99") self.assertEqual( inst.GetControlFlowKind(target), lldb.eInstructionControlFlowKindUnknown ) else: self.assertEqual(inst.GetMnemonic(target), "movq") self.assertEqual(inst.GetOperands(target), "%" + "rsp, " + "%" + "rbp") self.assertEqual( inst.GetControlFlowKind(target), lldb.eInstructionControlFlowKindOther )