1 //===- ELFYAMLTest.cpp - Tests for ELFYAML.cpp ----------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include "llvm/Object/ELF.h"
10 #include "llvm/Object/ELFObjectFile.h"
11 #include "llvm/Object/ELFTypes.h"
12 #include "llvm/ObjectYAML/yaml2obj.h"
13 #include "llvm/Support/YAMLTraits.h"
14 #include "llvm/Testing/Support/Error.h"
15 #include "gtest/gtest.h"
16
17 using namespace llvm;
18 using namespace llvm::object;
19
20 template <class ELFT>
toBinary(SmallVectorImpl<char> & Storage,StringRef Yaml)21 static Expected<ELFObjectFile<ELFT>> toBinary(SmallVectorImpl<char> &Storage,
22 StringRef Yaml) {
23 Storage.clear();
24 raw_svector_ostream OS(Storage);
25 yaml::Input YIn(Yaml);
26 if (!yaml::convertYAML(YIn, OS, [](const Twine &Msg) {}))
27 return createStringError(std::errc::invalid_argument,
28 "unable to convert YAML");
29
30 return ELFObjectFile<ELFT>::create(MemoryBufferRef(OS.str(), "Binary"));
31 }
32
TEST(ELFRelocationTypeTest,RelocationTestForVE)33 TEST(ELFRelocationTypeTest, RelocationTestForVE) {
34 SmallString<0> Storage;
35 Expected<ELFObjectFile<ELF64LE>> ExpectedFile = toBinary<ELF64LE>(Storage, R"(
36 --- !ELF
37 FileHeader:
38 Class: ELFCLASS64
39 Data: ELFDATA2LSB
40 Type: ET_REL
41 Machine: EM_VE
42 Sections:
43 - Name: .rela.text
44 Type: SHT_RELA
45 Relocations:
46 - Type: R_VE_NONE
47 - Type: R_VE_REFLONG
48 - Type: R_VE_REFQUAD
49 - Type: R_VE_SREL32
50 - Type: R_VE_HI32
51 - Type: R_VE_LO32
52 - Type: R_VE_PC_HI32
53 - Type: R_VE_PC_LO32
54 - Type: R_VE_GOT32
55 - Type: R_VE_GOT_HI32
56 - Type: R_VE_GOT_LO32
57 - Type: R_VE_GOTOFF32
58 - Type: R_VE_GOTOFF_HI32
59 - Type: R_VE_GOTOFF_LO32
60 - Type: R_VE_PLT32
61 - Type: R_VE_PLT_HI32
62 - Type: R_VE_PLT_LO32
63 - Type: R_VE_RELATIVE
64 - Type: R_VE_GLOB_DAT
65 - Type: R_VE_JUMP_SLOT
66 - Type: R_VE_COPY
67 - Type: R_VE_DTPMOD64
68 - Type: R_VE_DTPOFF64
69 - Type: R_VE_TLS_GD_HI32
70 - Type: R_VE_TLS_GD_LO32
71 - Type: R_VE_TPOFF_HI32
72 - Type: R_VE_TPOFF_LO32
73 - Type: R_VE_CALL_HI32
74 - Type: R_VE_CALL_LO32)");
75 ASSERT_THAT_EXPECTED(ExpectedFile, Succeeded());
76 const ELFObjectFile<ELF64LE> &File = *ExpectedFile;
77 EXPECT_EQ("elf64-ve", File.getFileFormatName());
78 EXPECT_EQ(Triple::ve, File.getArch());
79
80 // Test relocation types.
81 for (SectionRef Sec : File.sections()) {
82 Expected<StringRef> NameOrErr = Sec.getName();
83 ASSERT_THAT_EXPECTED(NameOrErr, Succeeded());
84 StringRef SectionName = *NameOrErr;
85 if (SectionName != ".rela.text")
86 continue;
87
88 for (RelocationRef R : Sec.relocations()) {
89 SmallString<32> RelTypeName;
90 using namespace llvm::ELF;
91
92 #define NAME_CHECK(ID) \
93 case ID: \
94 R.getTypeName(RelTypeName); \
95 EXPECT_EQ(#ID, RelTypeName); \
96 break
97
98 switch (R.getType()) {
99 NAME_CHECK(R_VE_NONE);
100 NAME_CHECK(R_VE_REFLONG);
101 NAME_CHECK(R_VE_REFQUAD);
102 NAME_CHECK(R_VE_SREL32);
103 NAME_CHECK(R_VE_HI32);
104 NAME_CHECK(R_VE_LO32);
105 NAME_CHECK(R_VE_PC_HI32);
106 NAME_CHECK(R_VE_PC_LO32);
107 NAME_CHECK(R_VE_GOT32);
108 NAME_CHECK(R_VE_GOT_HI32);
109 NAME_CHECK(R_VE_GOT_LO32);
110 NAME_CHECK(R_VE_GOTOFF32);
111 NAME_CHECK(R_VE_GOTOFF_HI32);
112 NAME_CHECK(R_VE_GOTOFF_LO32);
113 NAME_CHECK(R_VE_PLT32);
114 NAME_CHECK(R_VE_PLT_HI32);
115 NAME_CHECK(R_VE_PLT_LO32);
116 NAME_CHECK(R_VE_RELATIVE);
117 NAME_CHECK(R_VE_GLOB_DAT);
118 NAME_CHECK(R_VE_JUMP_SLOT);
119 NAME_CHECK(R_VE_COPY);
120 NAME_CHECK(R_VE_DTPMOD64);
121 NAME_CHECK(R_VE_DTPOFF64);
122 NAME_CHECK(R_VE_TLS_GD_HI32);
123 NAME_CHECK(R_VE_TLS_GD_LO32);
124 NAME_CHECK(R_VE_TPOFF_HI32);
125 NAME_CHECK(R_VE_TPOFF_LO32);
126 NAME_CHECK(R_VE_CALL_HI32);
127 NAME_CHECK(R_VE_CALL_LO32);
128 default:
129 FAIL() << "Found unexpected relocation type: " + Twine(R.getType());
130 break;
131 }
132 }
133 }
134 }
135