| //===----------------------- ELFTypesTest.cpp -----------------------------===// |
| // |
| // 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 "llvm/Object/ELFTypes.h" |
| #include "gtest/gtest.h" |
| #include <iostream> |
| |
| using namespace llvm; |
| using namespace llvm::object; |
| |
| template <typename ELFT> using Elf_Note = typename ELFT::Note; |
| |
| template <class ELFT> struct NoteTestData { |
| std::vector<uint8_t> Data; |
| |
| const Elf_Note_Impl<ELFT> getElfNote(StringRef Name, uint32_t Type, |
| ArrayRef<uint8_t> Desc) { |
| Data.resize(sizeof(Elf_Nhdr_Impl<ELFT>) + |
| alignTo<Elf_Nhdr_Impl<ELFT>::Align>(Name.size()) + |
| alignTo<Elf_Nhdr_Impl<ELFT>::Align>(Desc.size()), |
| 0); |
| |
| Elf_Nhdr_Impl<ELFT> *Nhdr = |
| reinterpret_cast<Elf_Nhdr_Impl<ELFT> *>(Data.data()); |
| Nhdr->n_namesz = (Name == "") ? 0 : Name.size() + 1; |
| Nhdr->n_descsz = Desc.size(); |
| Nhdr->n_type = Type; |
| |
| auto NameOffset = Data.begin() + sizeof(*Nhdr); |
| std::copy(Name.begin(), Name.end(), NameOffset); |
| |
| auto DescOffset = |
| NameOffset + alignTo<Elf_Nhdr_Impl<ELFT>::Align>(Nhdr->n_namesz); |
| std::copy(Desc.begin(), Desc.end(), DescOffset); |
| |
| return Elf_Note_Impl<ELFT>(*Nhdr); |
| } |
| }; |
| |
| TEST(ELFTypesTest, NoteTest) { |
| static const uint8_t Random[] = {1, 2, 3, 4, 5, 6, 7, 8, 9}; |
| ArrayRef<uint8_t> RandomData = makeArrayRef(Random); |
| NoteTestData<ELF64LE> TestData; |
| |
| auto Note1 = TestData.getElfNote(StringRef("AMD"), ELF::NT_AMDGPU_METADATA, |
| RandomData); |
| EXPECT_EQ(Note1.getName(), "AMD"); |
| EXPECT_EQ(Note1.getType(), ELF::NT_AMDGPU_METADATA); |
| EXPECT_EQ(Note1.getDesc(), RandomData); |
| EXPECT_EQ(Note1.getDescAsStringRef(), |
| StringRef(reinterpret_cast<const char *>(Random), sizeof(Random))); |
| |
| auto Note2 = TestData.getElfNote("", ELF::NT_AMDGPU_METADATA, RandomData); |
| EXPECT_EQ(Note2.getName(), ""); |
| |
| auto Note3 = |
| TestData.getElfNote("AMD", ELF::NT_AMDGPU_METADATA, ArrayRef<uint8_t>()); |
| EXPECT_EQ(Note3.getDescAsStringRef(), StringRef("")); |
| } |