unittests/Object/ELFTest.cpp - llvm-project/llvm - Git at Google

 //===- ELFTest.cpp - Tests for ELF.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/ELF.h"
 #include "llvm/Testing/Support/Error.h"
 #include "gtest/gtest.h"

 using namespace llvm;
 using namespace llvm::object;
 using namespace llvm::ELF;

 TEST(ELFTest, getELFRelocationTypeNameForVE) {
   EXPECT_EQ("R_VE_NONE", getELFRelocationTypeName(EM_VE, R_VE_NONE));
   EXPECT_EQ("R_VE_REFLONG", getELFRelocationTypeName(EM_VE, R_VE_REFLONG));
   EXPECT_EQ("R_VE_REFQUAD", getELFRelocationTypeName(EM_VE, R_VE_REFQUAD));
   EXPECT_EQ("R_VE_SREL32", getELFRelocationTypeName(EM_VE, R_VE_SREL32));
   EXPECT_EQ("R_VE_HI32", getELFRelocationTypeName(EM_VE, R_VE_HI32));
   EXPECT_EQ("R_VE_LO32", getELFRelocationTypeName(EM_VE, R_VE_LO32));
   EXPECT_EQ("R_VE_PC_HI32", getELFRelocationTypeName(EM_VE, R_VE_PC_HI32));
   EXPECT_EQ("R_VE_PC_LO32", getELFRelocationTypeName(EM_VE, R_VE_PC_LO32));
   EXPECT_EQ("R_VE_GOT32", getELFRelocationTypeName(EM_VE, R_VE_GOT32));
   EXPECT_EQ("R_VE_GOT_HI32", getELFRelocationTypeName(EM_VE, R_VE_GOT_HI32));
   EXPECT_EQ("R_VE_GOT_LO32", getELFRelocationTypeName(EM_VE, R_VE_GOT_LO32));
   EXPECT_EQ("R_VE_GOTOFF32", getELFRelocationTypeName(EM_VE, R_VE_GOTOFF32));
   EXPECT_EQ("R_VE_GOTOFF_HI32",
             getELFRelocationTypeName(EM_VE, R_VE_GOTOFF_HI32));
   EXPECT_EQ("R_VE_GOTOFF_LO32",
             getELFRelocationTypeName(EM_VE, R_VE_GOTOFF_LO32));
   EXPECT_EQ("R_VE_PLT32", getELFRelocationTypeName(EM_VE, R_VE_PLT32));
   EXPECT_EQ("R_VE_PLT_HI32", getELFRelocationTypeName(EM_VE, R_VE_PLT_HI32));
   EXPECT_EQ("R_VE_PLT_LO32", getELFRelocationTypeName(EM_VE, R_VE_PLT_LO32));
   EXPECT_EQ("R_VE_RELATIVE", getELFRelocationTypeName(EM_VE, R_VE_RELATIVE));
   EXPECT_EQ("R_VE_GLOB_DAT", getELFRelocationTypeName(EM_VE, R_VE_GLOB_DAT));
   EXPECT_EQ("R_VE_JUMP_SLOT", getELFRelocationTypeName(EM_VE, R_VE_JUMP_SLOT));
   EXPECT_EQ("R_VE_COPY", getELFRelocationTypeName(EM_VE, R_VE_COPY));
   EXPECT_EQ("R_VE_DTPMOD64", getELFRelocationTypeName(EM_VE, R_VE_DTPMOD64));
   EXPECT_EQ("R_VE_DTPOFF64", getELFRelocationTypeName(EM_VE, R_VE_DTPOFF64));
   EXPECT_EQ("R_VE_TLS_GD_HI32",
             getELFRelocationTypeName(EM_VE, R_VE_TLS_GD_HI32));
   EXPECT_EQ("R_VE_TLS_GD_LO32",
             getELFRelocationTypeName(EM_VE, R_VE_TLS_GD_LO32));
   EXPECT_EQ("R_VE_TPOFF_HI32",
             getELFRelocationTypeName(EM_VE, R_VE_TPOFF_HI32));
   EXPECT_EQ("R_VE_TPOFF_LO32",
             getELFRelocationTypeName(EM_VE, R_VE_TPOFF_LO32));
   EXPECT_EQ("R_VE_CALL_HI32", getELFRelocationTypeName(EM_VE, R_VE_CALL_HI32));
   EXPECT_EQ("R_VE_CALL_LO32", getELFRelocationTypeName(EM_VE, R_VE_CALL_LO32));
 }

 TEST(ELFTest, getELFRelocationTypeNameForLoongArch) {
   EXPECT_EQ("R_LARCH_NONE",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_NONE));
   EXPECT_EQ("R_LARCH_32", getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_32));
   EXPECT_EQ("R_LARCH_64", getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_64));
   EXPECT_EQ("R_LARCH_RELATIVE",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_RELATIVE));
   EXPECT_EQ("R_LARCH_COPY",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_COPY));
   EXPECT_EQ("R_LARCH_JUMP_SLOT",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_JUMP_SLOT));
   EXPECT_EQ("R_LARCH_TLS_DTPMOD32",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_DTPMOD32));
   EXPECT_EQ("R_LARCH_TLS_DTPMOD64",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_DTPMOD64));
   EXPECT_EQ("R_LARCH_TLS_DTPREL32",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_DTPREL32));
   EXPECT_EQ("R_LARCH_TLS_DTPREL64",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_DTPREL64));
   EXPECT_EQ("R_LARCH_TLS_TPREL32",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_TPREL32));
   EXPECT_EQ("R_LARCH_TLS_TPREL64",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_TPREL64));
   EXPECT_EQ("R_LARCH_IRELATIVE",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_IRELATIVE));

   EXPECT_EQ("R_LARCH_MARK_LA",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_MARK_LA));
   EXPECT_EQ("R_LARCH_MARK_PCREL",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_MARK_PCREL));
   EXPECT_EQ("R_LARCH_SOP_PUSH_PCREL",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_PUSH_PCREL));
   EXPECT_EQ("R_LARCH_SOP_PUSH_ABSOLUTE",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_PUSH_ABSOLUTE));
   EXPECT_EQ("R_LARCH_SOP_PUSH_DUP",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_PUSH_DUP));
   EXPECT_EQ("R_LARCH_SOP_PUSH_GPREL",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_PUSH_GPREL));
   EXPECT_EQ("R_LARCH_SOP_PUSH_TLS_TPREL",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_PUSH_TLS_TPREL));
   EXPECT_EQ("R_LARCH_SOP_PUSH_TLS_GOT",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_PUSH_TLS_GOT));
   EXPECT_EQ("R_LARCH_SOP_PUSH_TLS_GD",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_PUSH_TLS_GD));
   EXPECT_EQ("R_LARCH_SOP_PUSH_PLT_PCREL",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_PUSH_PLT_PCREL));
   EXPECT_EQ("R_LARCH_SOP_ASSERT",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_ASSERT));
   EXPECT_EQ("R_LARCH_SOP_NOT",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_NOT));
   EXPECT_EQ("R_LARCH_SOP_SUB",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_SUB));
   EXPECT_EQ("R_LARCH_SOP_SL",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_SL));
   EXPECT_EQ("R_LARCH_SOP_SR",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_SR));
   EXPECT_EQ("R_LARCH_SOP_ADD",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_ADD));
   EXPECT_EQ("R_LARCH_SOP_AND",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_AND));
   EXPECT_EQ("R_LARCH_SOP_IF_ELSE",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_IF_ELSE));
   EXPECT_EQ("R_LARCH_SOP_POP_32_S_10_5",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_POP_32_S_10_5));
   EXPECT_EQ("R_LARCH_SOP_POP_32_U_10_12",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_POP_32_U_10_12));
   EXPECT_EQ("R_LARCH_SOP_POP_32_S_10_12",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_POP_32_S_10_12));
   EXPECT_EQ("R_LARCH_SOP_POP_32_S_10_16",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_POP_32_S_10_16));
   EXPECT_EQ(
       "R_LARCH_SOP_POP_32_S_10_16_S2",
       getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_POP_32_S_10_16_S2));
   EXPECT_EQ("R_LARCH_SOP_POP_32_S_5_20",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_POP_32_S_5_20));
   EXPECT_EQ("R_LARCH_SOP_POP_32_S_0_5_10_16_S2",
             getELFRelocationTypeName(EM_LOONGARCH,
                                      R_LARCH_SOP_POP_32_S_0_5_10_16_S2));
   EXPECT_EQ("R_LARCH_SOP_POP_32_S_0_10_10_16_S2",
             getELFRelocationTypeName(EM_LOONGARCH,
                                      R_LARCH_SOP_POP_32_S_0_10_10_16_S2));
   EXPECT_EQ("R_LARCH_SOP_POP_32_U",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_POP_32_U));
   EXPECT_EQ("R_LARCH_ADD8",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_ADD8));
   EXPECT_EQ("R_LARCH_ADD16",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_ADD16));
   EXPECT_EQ("R_LARCH_ADD24",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_ADD24));
   EXPECT_EQ("R_LARCH_ADD32",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_ADD32));
   EXPECT_EQ("R_LARCH_ADD64",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_ADD64));
   EXPECT_EQ("R_LARCH_SUB8",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SUB8));
   EXPECT_EQ("R_LARCH_SUB16",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SUB16));
   EXPECT_EQ("R_LARCH_SUB24",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SUB24));
   EXPECT_EQ("R_LARCH_SUB32",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SUB32));
   EXPECT_EQ("R_LARCH_SUB64",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SUB64));
   EXPECT_EQ("R_LARCH_GNU_VTINHERIT",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_GNU_VTINHERIT));
   EXPECT_EQ("R_LARCH_GNU_VTENTRY",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_GNU_VTENTRY));
   EXPECT_EQ("R_LARCH_B16",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_B16));
   EXPECT_EQ("R_LARCH_B21",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_B21));
   EXPECT_EQ("R_LARCH_B26",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_B26));
   EXPECT_EQ("R_LARCH_ABS_HI20",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_ABS_HI20));
   EXPECT_EQ("R_LARCH_ABS_LO12",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_ABS_LO12));
   EXPECT_EQ("R_LARCH_ABS64_LO20",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_ABS64_LO20));
   EXPECT_EQ("R_LARCH_ABS64_HI12",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_ABS64_HI12));
   EXPECT_EQ("R_LARCH_PCALA_HI20",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_PCALA_HI20));
   EXPECT_EQ("R_LARCH_PCALA_LO12",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_PCALA_LO12));
   EXPECT_EQ("R_LARCH_PCALA64_LO20",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_PCALA64_LO20));
   EXPECT_EQ("R_LARCH_PCALA64_HI12",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_PCALA64_HI12));
   EXPECT_EQ("R_LARCH_GOT_PC_HI20",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_GOT_PC_HI20));
   EXPECT_EQ("R_LARCH_GOT_PC_LO12",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_GOT_PC_LO12));
   EXPECT_EQ("R_LARCH_GOT64_PC_LO20",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_GOT64_PC_LO20));
   EXPECT_EQ("R_LARCH_GOT64_PC_HI12",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_GOT64_PC_HI12));
   EXPECT_EQ("R_LARCH_GOT_HI20",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_GOT_HI20));
   EXPECT_EQ("R_LARCH_GOT_LO12",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_GOT_LO12));
   EXPECT_EQ("R_LARCH_GOT64_LO20",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_GOT64_LO20));
   EXPECT_EQ("R_LARCH_GOT64_HI12",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_GOT64_HI12));
   EXPECT_EQ("R_LARCH_TLS_LE_HI20",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_LE_HI20));
   EXPECT_EQ("R_LARCH_TLS_LE_LO12",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_LE_LO12));
   EXPECT_EQ("R_LARCH_TLS_LE64_LO20",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_LE64_LO20));
   EXPECT_EQ("R_LARCH_TLS_LE64_HI12",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_LE64_HI12));
   EXPECT_EQ("R_LARCH_TLS_IE_PC_HI20",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_IE_PC_HI20));
   EXPECT_EQ("R_LARCH_TLS_IE_PC_LO12",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_IE_PC_LO12));
   EXPECT_EQ("R_LARCH_TLS_IE64_PC_LO20",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_IE64_PC_LO20));
   EXPECT_EQ("R_LARCH_TLS_IE64_PC_HI12",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_IE64_PC_HI12));
   EXPECT_EQ("R_LARCH_TLS_IE_HI20",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_IE_HI20));
   EXPECT_EQ("R_LARCH_TLS_IE_LO12",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_IE_LO12));
   EXPECT_EQ("R_LARCH_TLS_IE64_LO20",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_IE64_LO20));
   EXPECT_EQ("R_LARCH_TLS_IE64_HI12",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_IE64_HI12));
   EXPECT_EQ("R_LARCH_TLS_LD_PC_HI20",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_LD_PC_HI20));
   EXPECT_EQ("R_LARCH_TLS_LD_HI20",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_LD_HI20));
   EXPECT_EQ("R_LARCH_TLS_GD_PC_HI20",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_GD_PC_HI20));
   EXPECT_EQ("R_LARCH_TLS_GD_HI20",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_GD_HI20));
   EXPECT_EQ("R_LARCH_32_PCREL",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_32_PCREL));
   EXPECT_EQ("R_LARCH_RELAX",
             getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_RELAX));
 }

 TEST(ELFTest, getELFRelativeRelocationType) {
   EXPECT_EQ(ELF::R_VE_RELATIVE, getELFRelativeRelocationType(EM_VE));
   EXPECT_EQ(ELF::R_LARCH_RELATIVE, getELFRelativeRelocationType(EM_LOONGARCH));
 }

 // This is a test for the DataRegion helper struct, defined in ELF.h header.
 TEST(ELFTest, DataRegionTest) {
   std::vector<uint8_t> Data = {0, 1, 2};

   // Used to check that the operator[] works properly.
   auto CheckOperator = [&](DataRegion<uint8_t> &R) {
     for (size_t I = 0, E = Data.size(); I != E; ++I) {
       Expected<uint8_t> ValOrErr = R[I];
       ASSERT_THAT_EXPECTED(ValOrErr, Succeeded());
       EXPECT_EQ(*ValOrErr, I);
     }
   };

   // Check we can use the constructor that takes an ArrayRef<T>.
   DataRegion<uint8_t> Region(Data);

   CheckOperator(Region);
   const char *ErrMsg1 =
       "the index is greater than or equal to the number of entries (3)";
   EXPECT_THAT_ERROR(Region[3].takeError(), FailedWithMessage(ErrMsg1));
   EXPECT_THAT_ERROR(Region[4].takeError(), FailedWithMessage(ErrMsg1));

   // Check we can use the constructor that takes the data begin and the
   // data end pointers.
   Region = {Data.data(), Data.data() + Data.size()};

   CheckOperator(Region);
   const char *ErrMsg2 = "can't read past the end of the file";
   EXPECT_THAT_ERROR(Region[3].takeError(), FailedWithMessage(ErrMsg2));
   EXPECT_THAT_ERROR(Region[4].takeError(), FailedWithMessage(ErrMsg2));
 }

 // Test the sysV and the gnu hash functions, particularly with UTF-8 unicode.
 // Use names long enough for the hash's recycling of the high bits to kick in.
 // Explicitly encode the UTF-8 to avoid encoding transliterations.
 TEST(ELFTest, Hash) {
   EXPECT_EQ(hashSysV("FooBarBazToto"), 0x5ec3e8fU);
   EXPECT_EQ(hashGnu("FooBarBazToto"), 0x5478be61U);

   // boom💥pants
   EXPECT_EQ(hashSysV("boom\xf0\x9f\x92\xa5pants"), 0x5a0cf53U);
   EXPECT_EQ(hashGnu("boom\xf0\x9f\x92\xa5pants"), 0xf5dda2deU);

   // woot!🧙 💑 🌈
   EXPECT_EQ(hashSysV("woot!\xf0\x9f\xa7\x99 \xf0\x9f\x92\x91 "
                      "\xf0\x9f\x8c\x88"), 0x3522e38U);
   EXPECT_EQ(hashGnu("woot!\xf0\x9f\xa7\x99 \xf0\x9f\x92\x91 "
                     "\xf0\x9f\x8c\x88"), 0xf7603f3U);

   // This string hashes to 0x100000000 in the originally formulated function,
   // when long is 64 bits -- but that was never the intent. The code was
   // presuming 32-bit long. Thus make sure that extra bit doesn't appear.
   EXPECT_EQ(hashSysV("ZZZZZW9p"), 0U);
 }
	//===- ELFTest.cpp - Tests for ELF.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/ELF.h"
	#include "llvm/Testing/Support/Error.h"
	#include "gtest/gtest.h"

	using namespace llvm;
	using namespace llvm::object;
	using namespace llvm::ELF;

	TEST(ELFTest, getELFRelocationTypeNameForVE) {
	EXPECT_EQ("R_VE_NONE", getELFRelocationTypeName(EM_VE, R_VE_NONE));
	EXPECT_EQ("R_VE_REFLONG", getELFRelocationTypeName(EM_VE, R_VE_REFLONG));
	EXPECT_EQ("R_VE_REFQUAD", getELFRelocationTypeName(EM_VE, R_VE_REFQUAD));
	EXPECT_EQ("R_VE_SREL32", getELFRelocationTypeName(EM_VE, R_VE_SREL32));
	EXPECT_EQ("R_VE_HI32", getELFRelocationTypeName(EM_VE, R_VE_HI32));
	EXPECT_EQ("R_VE_LO32", getELFRelocationTypeName(EM_VE, R_VE_LO32));
	EXPECT_EQ("R_VE_PC_HI32", getELFRelocationTypeName(EM_VE, R_VE_PC_HI32));
	EXPECT_EQ("R_VE_PC_LO32", getELFRelocationTypeName(EM_VE, R_VE_PC_LO32));
	EXPECT_EQ("R_VE_GOT32", getELFRelocationTypeName(EM_VE, R_VE_GOT32));
	EXPECT_EQ("R_VE_GOT_HI32", getELFRelocationTypeName(EM_VE, R_VE_GOT_HI32));
	EXPECT_EQ("R_VE_GOT_LO32", getELFRelocationTypeName(EM_VE, R_VE_GOT_LO32));
	EXPECT_EQ("R_VE_GOTOFF32", getELFRelocationTypeName(EM_VE, R_VE_GOTOFF32));
	EXPECT_EQ("R_VE_GOTOFF_HI32",
	getELFRelocationTypeName(EM_VE, R_VE_GOTOFF_HI32));
	EXPECT_EQ("R_VE_GOTOFF_LO32",
	getELFRelocationTypeName(EM_VE, R_VE_GOTOFF_LO32));
	EXPECT_EQ("R_VE_PLT32", getELFRelocationTypeName(EM_VE, R_VE_PLT32));
	EXPECT_EQ("R_VE_PLT_HI32", getELFRelocationTypeName(EM_VE, R_VE_PLT_HI32));
	EXPECT_EQ("R_VE_PLT_LO32", getELFRelocationTypeName(EM_VE, R_VE_PLT_LO32));
	EXPECT_EQ("R_VE_RELATIVE", getELFRelocationTypeName(EM_VE, R_VE_RELATIVE));
	EXPECT_EQ("R_VE_GLOB_DAT", getELFRelocationTypeName(EM_VE, R_VE_GLOB_DAT));
	EXPECT_EQ("R_VE_JUMP_SLOT", getELFRelocationTypeName(EM_VE, R_VE_JUMP_SLOT));
	EXPECT_EQ("R_VE_COPY", getELFRelocationTypeName(EM_VE, R_VE_COPY));
	EXPECT_EQ("R_VE_DTPMOD64", getELFRelocationTypeName(EM_VE, R_VE_DTPMOD64));
	EXPECT_EQ("R_VE_DTPOFF64", getELFRelocationTypeName(EM_VE, R_VE_DTPOFF64));
	EXPECT_EQ("R_VE_TLS_GD_HI32",
	getELFRelocationTypeName(EM_VE, R_VE_TLS_GD_HI32));
	EXPECT_EQ("R_VE_TLS_GD_LO32",
	getELFRelocationTypeName(EM_VE, R_VE_TLS_GD_LO32));
	EXPECT_EQ("R_VE_TPOFF_HI32",
	getELFRelocationTypeName(EM_VE, R_VE_TPOFF_HI32));
	EXPECT_EQ("R_VE_TPOFF_LO32",
	getELFRelocationTypeName(EM_VE, R_VE_TPOFF_LO32));
	EXPECT_EQ("R_VE_CALL_HI32", getELFRelocationTypeName(EM_VE, R_VE_CALL_HI32));
	EXPECT_EQ("R_VE_CALL_LO32", getELFRelocationTypeName(EM_VE, R_VE_CALL_LO32));
	}

	TEST(ELFTest, getELFRelocationTypeNameForLoongArch) {
	EXPECT_EQ("R_LARCH_NONE",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_NONE));
	EXPECT_EQ("R_LARCH_32", getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_32));
	EXPECT_EQ("R_LARCH_64", getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_64));
	EXPECT_EQ("R_LARCH_RELATIVE",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_RELATIVE));
	EXPECT_EQ("R_LARCH_COPY",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_COPY));
	EXPECT_EQ("R_LARCH_JUMP_SLOT",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_JUMP_SLOT));
	EXPECT_EQ("R_LARCH_TLS_DTPMOD32",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_DTPMOD32));
	EXPECT_EQ("R_LARCH_TLS_DTPMOD64",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_DTPMOD64));
	EXPECT_EQ("R_LARCH_TLS_DTPREL32",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_DTPREL32));
	EXPECT_EQ("R_LARCH_TLS_DTPREL64",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_DTPREL64));
	EXPECT_EQ("R_LARCH_TLS_TPREL32",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_TPREL32));
	EXPECT_EQ("R_LARCH_TLS_TPREL64",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_TPREL64));
	EXPECT_EQ("R_LARCH_IRELATIVE",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_IRELATIVE));

	EXPECT_EQ("R_LARCH_MARK_LA",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_MARK_LA));
	EXPECT_EQ("R_LARCH_MARK_PCREL",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_MARK_PCREL));
	EXPECT_EQ("R_LARCH_SOP_PUSH_PCREL",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_PUSH_PCREL));
	EXPECT_EQ("R_LARCH_SOP_PUSH_ABSOLUTE",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_PUSH_ABSOLUTE));
	EXPECT_EQ("R_LARCH_SOP_PUSH_DUP",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_PUSH_DUP));
	EXPECT_EQ("R_LARCH_SOP_PUSH_GPREL",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_PUSH_GPREL));
	EXPECT_EQ("R_LARCH_SOP_PUSH_TLS_TPREL",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_PUSH_TLS_TPREL));
	EXPECT_EQ("R_LARCH_SOP_PUSH_TLS_GOT",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_PUSH_TLS_GOT));
	EXPECT_EQ("R_LARCH_SOP_PUSH_TLS_GD",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_PUSH_TLS_GD));
	EXPECT_EQ("R_LARCH_SOP_PUSH_PLT_PCREL",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_PUSH_PLT_PCREL));
	EXPECT_EQ("R_LARCH_SOP_ASSERT",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_ASSERT));
	EXPECT_EQ("R_LARCH_SOP_NOT",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_NOT));
	EXPECT_EQ("R_LARCH_SOP_SUB",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_SUB));
	EXPECT_EQ("R_LARCH_SOP_SL",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_SL));
	EXPECT_EQ("R_LARCH_SOP_SR",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_SR));
	EXPECT_EQ("R_LARCH_SOP_ADD",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_ADD));
	EXPECT_EQ("R_LARCH_SOP_AND",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_AND));
	EXPECT_EQ("R_LARCH_SOP_IF_ELSE",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_IF_ELSE));
	EXPECT_EQ("R_LARCH_SOP_POP_32_S_10_5",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_POP_32_S_10_5));
	EXPECT_EQ("R_LARCH_SOP_POP_32_U_10_12",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_POP_32_U_10_12));
	EXPECT_EQ("R_LARCH_SOP_POP_32_S_10_12",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_POP_32_S_10_12));
	EXPECT_EQ("R_LARCH_SOP_POP_32_S_10_16",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_POP_32_S_10_16));
	EXPECT_EQ(
	"R_LARCH_SOP_POP_32_S_10_16_S2",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_POP_32_S_10_16_S2));
	EXPECT_EQ("R_LARCH_SOP_POP_32_S_5_20",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_POP_32_S_5_20));
	EXPECT_EQ("R_LARCH_SOP_POP_32_S_0_5_10_16_S2",
	getELFRelocationTypeName(EM_LOONGARCH,
	R_LARCH_SOP_POP_32_S_0_5_10_16_S2));
	EXPECT_EQ("R_LARCH_SOP_POP_32_S_0_10_10_16_S2",
	getELFRelocationTypeName(EM_LOONGARCH,
	R_LARCH_SOP_POP_32_S_0_10_10_16_S2));
	EXPECT_EQ("R_LARCH_SOP_POP_32_U",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SOP_POP_32_U));
	EXPECT_EQ("R_LARCH_ADD8",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_ADD8));
	EXPECT_EQ("R_LARCH_ADD16",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_ADD16));
	EXPECT_EQ("R_LARCH_ADD24",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_ADD24));
	EXPECT_EQ("R_LARCH_ADD32",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_ADD32));
	EXPECT_EQ("R_LARCH_ADD64",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_ADD64));
	EXPECT_EQ("R_LARCH_SUB8",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SUB8));
	EXPECT_EQ("R_LARCH_SUB16",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SUB16));
	EXPECT_EQ("R_LARCH_SUB24",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SUB24));
	EXPECT_EQ("R_LARCH_SUB32",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SUB32));
	EXPECT_EQ("R_LARCH_SUB64",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_SUB64));
	EXPECT_EQ("R_LARCH_GNU_VTINHERIT",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_GNU_VTINHERIT));
	EXPECT_EQ("R_LARCH_GNU_VTENTRY",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_GNU_VTENTRY));
	EXPECT_EQ("R_LARCH_B16",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_B16));
	EXPECT_EQ("R_LARCH_B21",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_B21));
	EXPECT_EQ("R_LARCH_B26",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_B26));
	EXPECT_EQ("R_LARCH_ABS_HI20",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_ABS_HI20));
	EXPECT_EQ("R_LARCH_ABS_LO12",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_ABS_LO12));
	EXPECT_EQ("R_LARCH_ABS64_LO20",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_ABS64_LO20));
	EXPECT_EQ("R_LARCH_ABS64_HI12",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_ABS64_HI12));
	EXPECT_EQ("R_LARCH_PCALA_HI20",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_PCALA_HI20));
	EXPECT_EQ("R_LARCH_PCALA_LO12",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_PCALA_LO12));
	EXPECT_EQ("R_LARCH_PCALA64_LO20",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_PCALA64_LO20));
	EXPECT_EQ("R_LARCH_PCALA64_HI12",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_PCALA64_HI12));
	EXPECT_EQ("R_LARCH_GOT_PC_HI20",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_GOT_PC_HI20));
	EXPECT_EQ("R_LARCH_GOT_PC_LO12",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_GOT_PC_LO12));
	EXPECT_EQ("R_LARCH_GOT64_PC_LO20",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_GOT64_PC_LO20));
	EXPECT_EQ("R_LARCH_GOT64_PC_HI12",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_GOT64_PC_HI12));
	EXPECT_EQ("R_LARCH_GOT_HI20",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_GOT_HI20));
	EXPECT_EQ("R_LARCH_GOT_LO12",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_GOT_LO12));
	EXPECT_EQ("R_LARCH_GOT64_LO20",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_GOT64_LO20));
	EXPECT_EQ("R_LARCH_GOT64_HI12",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_GOT64_HI12));
	EXPECT_EQ("R_LARCH_TLS_LE_HI20",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_LE_HI20));
	EXPECT_EQ("R_LARCH_TLS_LE_LO12",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_LE_LO12));
	EXPECT_EQ("R_LARCH_TLS_LE64_LO20",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_LE64_LO20));
	EXPECT_EQ("R_LARCH_TLS_LE64_HI12",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_LE64_HI12));
	EXPECT_EQ("R_LARCH_TLS_IE_PC_HI20",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_IE_PC_HI20));
	EXPECT_EQ("R_LARCH_TLS_IE_PC_LO12",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_IE_PC_LO12));
	EXPECT_EQ("R_LARCH_TLS_IE64_PC_LO20",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_IE64_PC_LO20));
	EXPECT_EQ("R_LARCH_TLS_IE64_PC_HI12",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_IE64_PC_HI12));
	EXPECT_EQ("R_LARCH_TLS_IE_HI20",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_IE_HI20));
	EXPECT_EQ("R_LARCH_TLS_IE_LO12",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_IE_LO12));
	EXPECT_EQ("R_LARCH_TLS_IE64_LO20",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_IE64_LO20));
	EXPECT_EQ("R_LARCH_TLS_IE64_HI12",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_IE64_HI12));
	EXPECT_EQ("R_LARCH_TLS_LD_PC_HI20",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_LD_PC_HI20));
	EXPECT_EQ("R_LARCH_TLS_LD_HI20",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_LD_HI20));
	EXPECT_EQ("R_LARCH_TLS_GD_PC_HI20",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_GD_PC_HI20));
	EXPECT_EQ("R_LARCH_TLS_GD_HI20",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_TLS_GD_HI20));
	EXPECT_EQ("R_LARCH_32_PCREL",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_32_PCREL));
	EXPECT_EQ("R_LARCH_RELAX",
	getELFRelocationTypeName(EM_LOONGARCH, R_LARCH_RELAX));
	}

	TEST(ELFTest, getELFRelativeRelocationType) {
	EXPECT_EQ(ELF::R_VE_RELATIVE, getELFRelativeRelocationType(EM_VE));
	EXPECT_EQ(ELF::R_LARCH_RELATIVE, getELFRelativeRelocationType(EM_LOONGARCH));
	}

	// This is a test for the DataRegion helper struct, defined in ELF.h header.
	TEST(ELFTest, DataRegionTest) {
	std::vector<uint8_t> Data = {0, 1, 2};

	// Used to check that the operator[] works properly.
	auto CheckOperator = [&](DataRegion<uint8_t> &R) {
	for (size_t I = 0, E = Data.size(); I != E; ++I) {
	Expected<uint8_t> ValOrErr = R[I];
	ASSERT_THAT_EXPECTED(ValOrErr, Succeeded());
	EXPECT_EQ(*ValOrErr, I);
	}
	};

	// Check we can use the constructor that takes an ArrayRef<T>.
	DataRegion<uint8_t> Region(Data);

	CheckOperator(Region);
	const char *ErrMsg1 =
	"the index is greater than or equal to the number of entries (3)";
	EXPECT_THAT_ERROR(Region[3].takeError(), FailedWithMessage(ErrMsg1));
	EXPECT_THAT_ERROR(Region[4].takeError(), FailedWithMessage(ErrMsg1));

	// Check we can use the constructor that takes the data begin and the
	// data end pointers.
	Region = {Data.data(), Data.data() + Data.size()};

	CheckOperator(Region);
	const char *ErrMsg2 = "can't read past the end of the file";
	EXPECT_THAT_ERROR(Region[3].takeError(), FailedWithMessage(ErrMsg2));
	EXPECT_THAT_ERROR(Region[4].takeError(), FailedWithMessage(ErrMsg2));
	}

	// Test the sysV and the gnu hash functions, particularly with UTF-8 unicode.
	// Use names long enough for the hash's recycling of the high bits to kick in.
	// Explicitly encode the UTF-8 to avoid encoding transliterations.
	TEST(ELFTest, Hash) {
	EXPECT_EQ(hashSysV("FooBarBazToto"), 0x5ec3e8fU);
	EXPECT_EQ(hashGnu("FooBarBazToto"), 0x5478be61U);

	// boom💥pants
	EXPECT_EQ(hashSysV("boom\xf0\x9f\x92\xa5pants"), 0x5a0cf53U);
	EXPECT_EQ(hashGnu("boom\xf0\x9f\x92\xa5pants"), 0xf5dda2deU);

	// woot!🧙 💑 🌈
	EXPECT_EQ(hashSysV("woot!\xf0\x9f\xa7\x99 \xf0\x9f\x92\x91 "
	"\xf0\x9f\x8c\x88"), 0x3522e38U);
	EXPECT_EQ(hashGnu("woot!\xf0\x9f\xa7\x99 \xf0\x9f\x92\x91 "
	"\xf0\x9f\x8c\x88"), 0xf7603f3U);

	// This string hashes to 0x100000000 in the originally formulated function,
	// when long is 64 bits -- but that was never the intent. The code was
	// presuming 32-bit long. Thus make sure that extra bit doesn't appear.
	EXPECT_EQ(hashSysV("ZZZZZW9p"), 0U);
	}