| """ |
| 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.GetControlFlowKind(target), lldb.eInstructionControlFlowKindUnknown |
| ) |
| 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 |
| ) |
