83 lines · cpp
1//===-- TestArm64Disassembly.cpp ------------------------------------------===//2 3//4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.5// See https://llvm.org/LICENSE.txt for license information.6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception7//8//===----------------------------------------------------------------------===//9 10#include "gtest/gtest.h"11 12#include "lldb/Core/Address.h"13#include "lldb/Core/Disassembler.h"14#include "lldb/Utility/ArchSpec.h"15#include "lldb/Target/ExecutionContext.h"16 17#include "Plugins/Disassembler/LLVMC/DisassemblerLLVMC.h"18#include "llvm/Support/TargetSelect.h"19 20using namespace lldb;21using namespace lldb_private;22 23namespace {24class TestArm64Disassembly : public testing::Test {25public:26 static void SetUpTestCase();27 static void TearDownTestCase();28 29 // virtual void SetUp() override { }30 // virtual void TearDown() override { }31 32protected:33};34 35void TestArm64Disassembly::SetUpTestCase() {36 llvm::InitializeAllTargets();37 llvm::InitializeAllAsmPrinters();38 llvm::InitializeAllTargetMCs();39 llvm::InitializeAllDisassemblers();40 DisassemblerLLVMC::Initialize();41}42 43void TestArm64Disassembly::TearDownTestCase() {44 DisassemblerLLVMC::Terminate();45}46} // namespace47 48TEST_F(TestArm64Disassembly, TestArmv81Instruction) {49 ArchSpec arch("arm64-apple-ios");50 51 const unsigned num_of_instructions = 2;52 uint8_t data[] = {53 0xff, 0x43, 0x00, 0xd1, // 0xd10043ff : sub sp, sp, #0x1054 0x62, 0x7c, 0xa1, 0xc8, // 0xc8a17c62 : cas x1, x2, [x3] (cas defined in ARM v8.1 & newer)55 };56 57 DisassemblerSP disass_sp;58 Address start_addr(0x100);59 disass_sp = Disassembler::DisassembleBytes(60 arch, nullptr, nullptr, nullptr, nullptr, start_addr, &data, sizeof(data),61 num_of_instructions, false);62 63 // If we failed to get a disassembler, we can assume it is because64 // the llvm we linked against was not built with the ARM target,65 // and we should skip these tests without marking anything as failing.66 67 if (disass_sp) {68 const InstructionList inst_list (disass_sp->GetInstructionList());69 EXPECT_EQ (num_of_instructions, inst_list.GetSize());70 71 InstructionSP inst_sp;72 const char *mnemonic;73 ExecutionContext exe_ctx (nullptr, nullptr, nullptr);74 inst_sp = inst_list.GetInstructionAtIndex (0);75 mnemonic = inst_sp->GetMnemonic(&exe_ctx);76 ASSERT_STREQ ("sub", mnemonic);77 78 inst_sp = inst_list.GetInstructionAtIndex (1);79 mnemonic = inst_sp->GetMnemonic(&exe_ctx);80 ASSERT_STREQ ("cas", mnemonic);81 }82}83