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//===-- TestArm64Disassembly.cpp ------------------------------------*- C++
//-*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
#include "lldb/Core/Address.h"
#include "lldb/Core/Disassembler.h"
#include "lldb/Utility/ArchSpec.h"
#include "lldb/Target/ExecutionContext.h"
#include "Plugins/Disassembler/llvm/DisassemblerLLVMC.h"
#include "llvm/Support/TargetSelect.h"
using namespace lldb;
using namespace lldb_private;
class TestArm64Disassembly : public testing::Test {
public:
static void SetUpTestCase();
static void TearDownTestCase();
// virtual void SetUp() override { }
// virtual void TearDown() override { }
protected:
};
void TestArm64Disassembly::SetUpTestCase() {
llvm::InitializeAllTargets();
llvm::InitializeAllAsmPrinters();
llvm::InitializeAllTargetMCs();
llvm::InitializeAllDisassemblers();
DisassemblerLLVMC::Initialize();
}
void TestArm64Disassembly::TearDownTestCase() {
DisassemblerLLVMC::Terminate();
}
TEST_F(TestArm64Disassembly, TestArmv81Instruction) {
ArchSpec arch("arm64-apple-ios");
const unsigned num_of_instructions = 2;
uint8_t data[] = {
0xff, 0x43, 0x00, 0xd1, // 0xd10043ff : sub sp, sp, #0x10
0x62, 0x7c, 0xa1, 0xc8, // 0xc8a17c62 : cas x1, x2, [x3] (cas defined in ARM v8.1 & newer)
};
DisassemblerSP disass_sp;
Address start_addr(0x100);
disass_sp = Disassembler::DisassembleBytes(arch, nullptr, nullptr, start_addr,
&data, sizeof (data), num_of_instructions, false);
// If we failed to get a disassembler, we can assume it is because
// the llvm we linked against was not built with the ARM target,
// and we should skip these tests without marking anything as failing.
if (disass_sp) {
const InstructionList inst_list (disass_sp->GetInstructionList());
EXPECT_EQ (num_of_instructions, inst_list.GetSize());
InstructionSP inst_sp;
const char *mnemonic;
ExecutionContext exe_ctx (nullptr, nullptr, nullptr);
inst_sp = inst_list.GetInstructionAtIndex (0);
mnemonic = inst_sp->GetMnemonic(&exe_ctx);
ASSERT_STREQ ("sub", mnemonic);
inst_sp = inst_list.GetInstructionAtIndex (1);
mnemonic = inst_sp->GetMnemonic(&exe_ctx);
ASSERT_STREQ ("cas", mnemonic);
}
}
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