| //===- lld/unittest/MachOTests/MachONormalizedFileYAMLTests.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 "../../lib/ReaderWriter/MachO/MachONormalizedFile.h" |
| #include "lld/ReaderWriter/MachOLinkingContext.h" |
| #include "llvm/ADT/StringRef.h" |
| #include "llvm/BinaryFormat/MachO.h" |
| #include "llvm/Support/Error.h" |
| #include "llvm/Support/MemoryBuffer.h" |
| #include "llvm/Support/raw_ostream.h" |
| #include "gtest/gtest.h" |
| #include <cstdint> |
| #include <memory> |
| #include <string> |
| #include <system_error> |
| |
| using llvm::StringRef; |
| using llvm::MemoryBuffer; |
| using lld::mach_o::normalized::NormalizedFile; |
| using lld::mach_o::normalized::Symbol; |
| using lld::mach_o::normalized::Section; |
| using lld::mach_o::normalized::Relocation; |
| |
| static std::unique_ptr<NormalizedFile> fromYAML(StringRef str) { |
| std::unique_ptr<MemoryBuffer> mb(MemoryBuffer::getMemBuffer(str)); |
| llvm::Expected<std::unique_ptr<NormalizedFile>> r |
| = lld::mach_o::normalized::readYaml(mb); |
| EXPECT_FALSE(!r); |
| return std::move(*r); |
| } |
| |
| static void toYAML(const NormalizedFile &f, std::string &out) { |
| llvm::raw_string_ostream ostr(out); |
| std::error_code ec = lld::mach_o::normalized::writeYaml(f, ostr); |
| EXPECT_TRUE(!ec); |
| } |
| |
| // ppc is no longer supported, but it is here to test endianness handling. |
| TEST(ObjectFileYAML, empty_ppc) { |
| std::unique_ptr<NormalizedFile> f = fromYAML( |
| "---\n" |
| "arch: ppc\n" |
| "file-type: MH_OBJECT\n" |
| "flags: [ MH_SUBSECTIONS_VIA_SYMBOLS ]\n" |
| "...\n"); |
| EXPECT_EQ(f->arch, lld::MachOLinkingContext::arch_ppc); |
| EXPECT_EQ(f->fileType, llvm::MachO::MH_OBJECT); |
| EXPECT_EQ((int)(f->flags), (int)(int)llvm::MachO::MH_SUBSECTIONS_VIA_SYMBOLS); |
| EXPECT_TRUE(f->sections.empty()); |
| EXPECT_TRUE(f->localSymbols.empty()); |
| EXPECT_TRUE(f->globalSymbols.empty()); |
| EXPECT_TRUE(f->undefinedSymbols.empty()); |
| } |
| |
| TEST(ObjectFileYAML, empty_x86_64) { |
| std::unique_ptr<NormalizedFile> f = fromYAML( |
| "---\n" |
| "arch: x86_64\n" |
| "file-type: MH_OBJECT\n" |
| "flags: [ MH_SUBSECTIONS_VIA_SYMBOLS ]\n" |
| "...\n"); |
| EXPECT_EQ(f->arch, lld::MachOLinkingContext::arch_x86_64); |
| EXPECT_EQ(f->fileType, llvm::MachO::MH_OBJECT); |
| EXPECT_EQ((int)(f->flags), (int)(int)llvm::MachO::MH_SUBSECTIONS_VIA_SYMBOLS); |
| EXPECT_TRUE(f->sections.empty()); |
| EXPECT_TRUE(f->localSymbols.empty()); |
| EXPECT_TRUE(f->globalSymbols.empty()); |
| EXPECT_TRUE(f->undefinedSymbols.empty()); |
| } |
| |
| TEST(ObjectFileYAML, empty_x86) { |
| std::unique_ptr<NormalizedFile> f = fromYAML( |
| "---\n" |
| "arch: x86\n" |
| "file-type: MH_OBJECT\n" |
| "flags: [ MH_SUBSECTIONS_VIA_SYMBOLS ]\n" |
| "...\n"); |
| EXPECT_EQ(f->arch, lld::MachOLinkingContext::arch_x86); |
| EXPECT_EQ(f->fileType, llvm::MachO::MH_OBJECT); |
| EXPECT_EQ((int)(f->flags), (int)llvm::MachO::MH_SUBSECTIONS_VIA_SYMBOLS); |
| EXPECT_TRUE(f->sections.empty()); |
| EXPECT_TRUE(f->localSymbols.empty()); |
| EXPECT_TRUE(f->globalSymbols.empty()); |
| EXPECT_TRUE(f->undefinedSymbols.empty()); |
| } |
| |
| TEST(ObjectFileYAML, empty_armv6) { |
| std::unique_ptr<NormalizedFile> f = fromYAML( |
| "---\n" |
| "arch: armv6\n" |
| "file-type: MH_OBJECT\n" |
| "flags: [ MH_SUBSECTIONS_VIA_SYMBOLS ]\n" |
| "...\n"); |
| EXPECT_EQ(f->arch, lld::MachOLinkingContext::arch_armv6); |
| EXPECT_EQ(f->fileType, llvm::MachO::MH_OBJECT); |
| EXPECT_EQ((int)(f->flags), (int)llvm::MachO::MH_SUBSECTIONS_VIA_SYMBOLS); |
| EXPECT_TRUE(f->sections.empty()); |
| EXPECT_TRUE(f->localSymbols.empty()); |
| EXPECT_TRUE(f->globalSymbols.empty()); |
| EXPECT_TRUE(f->undefinedSymbols.empty()); |
| } |
| |
| TEST(ObjectFileYAML, empty_armv7) { |
| std::unique_ptr<NormalizedFile> f = fromYAML( |
| "---\n" |
| "arch: armv7\n" |
| "file-type: MH_OBJECT\n" |
| "flags: [ MH_SUBSECTIONS_VIA_SYMBOLS ]\n" |
| "...\n"); |
| EXPECT_EQ(f->arch, lld::MachOLinkingContext::arch_armv7); |
| EXPECT_EQ(f->fileType, llvm::MachO::MH_OBJECT); |
| EXPECT_EQ((int)(f->flags), (int)llvm::MachO::MH_SUBSECTIONS_VIA_SYMBOLS); |
| EXPECT_TRUE(f->sections.empty()); |
| EXPECT_TRUE(f->localSymbols.empty()); |
| EXPECT_TRUE(f->globalSymbols.empty()); |
| EXPECT_TRUE(f->undefinedSymbols.empty()); |
| } |
| |
| TEST(ObjectFileYAML, empty_armv7s) { |
| std::unique_ptr<NormalizedFile> f = fromYAML( |
| "---\n" |
| "arch: armv7s\n" |
| "file-type: MH_OBJECT\n" |
| "flags: [ MH_SUBSECTIONS_VIA_SYMBOLS ]\n" |
| "...\n"); |
| EXPECT_EQ(f->arch, lld::MachOLinkingContext::arch_armv7s); |
| EXPECT_EQ(f->fileType, llvm::MachO::MH_OBJECT); |
| EXPECT_EQ((int)(f->flags), (int)llvm::MachO::MH_SUBSECTIONS_VIA_SYMBOLS); |
| EXPECT_TRUE(f->sections.empty()); |
| EXPECT_TRUE(f->localSymbols.empty()); |
| EXPECT_TRUE(f->globalSymbols.empty()); |
| EXPECT_TRUE(f->undefinedSymbols.empty()); |
| } |
| |
| TEST(ObjectFileYAML, roundTrip) { |
| std::string intermediate; |
| { |
| NormalizedFile f; |
| f.arch = lld::MachOLinkingContext::arch_x86_64; |
| f.fileType = llvm::MachO::MH_OBJECT; |
| f.flags = (int)llvm::MachO::MH_SUBSECTIONS_VIA_SYMBOLS; |
| f.os = lld::MachOLinkingContext::OS::macOSX; |
| toYAML(f, intermediate); |
| } |
| { |
| std::unique_ptr<NormalizedFile> f2 = fromYAML(intermediate); |
| EXPECT_EQ(f2->arch, lld::MachOLinkingContext::arch_x86_64); |
| EXPECT_EQ((int)(f2->fileType), llvm::MachO::MH_OBJECT); |
| EXPECT_EQ((int)(f2->flags), (int)llvm::MachO::MH_SUBSECTIONS_VIA_SYMBOLS); |
| EXPECT_TRUE(f2->sections.empty()); |
| EXPECT_TRUE(f2->localSymbols.empty()); |
| EXPECT_TRUE(f2->globalSymbols.empty()); |
| EXPECT_TRUE(f2->undefinedSymbols.empty()); |
| } |
| } |
| |
| TEST(ObjectFileYAML, oneSymbol) { |
| std::unique_ptr<NormalizedFile> f = fromYAML( |
| "---\n" |
| "arch: x86_64\n" |
| "file-type: MH_OBJECT\n" |
| "global-symbols:\n" |
| " - name: _main\n" |
| " type: N_SECT\n" |
| " scope: [ N_EXT ]\n" |
| " sect: 1\n" |
| " desc: [ ]\n" |
| " value: 0x100\n" |
| "...\n"); |
| EXPECT_EQ(f->arch, lld::MachOLinkingContext::arch_x86_64); |
| EXPECT_EQ(f->fileType, llvm::MachO::MH_OBJECT); |
| EXPECT_TRUE(f->sections.empty()); |
| EXPECT_TRUE(f->localSymbols.empty()); |
| EXPECT_TRUE(f->undefinedSymbols.empty()); |
| EXPECT_EQ(f->globalSymbols.size(), 1UL); |
| const Symbol& sym = f->globalSymbols[0]; |
| EXPECT_TRUE(sym.name.equals("_main")); |
| EXPECT_EQ((int)(sym.type), llvm::MachO::N_SECT); |
| EXPECT_EQ((int)(sym.scope), llvm::MachO::N_EXT); |
| EXPECT_EQ(sym.sect, 1); |
| EXPECT_EQ((int)(sym.desc), 0); |
| EXPECT_EQ((uint64_t)sym.value, 0x100ULL); |
| } |
| |
| TEST(ObjectFileYAML, oneSection) { |
| std::unique_ptr<NormalizedFile> f = fromYAML( |
| "---\n" |
| "arch: x86_64\n" |
| "file-type: MH_OBJECT\n" |
| "sections:\n" |
| " - segment: __TEXT\n" |
| " section: __text\n" |
| " type: S_REGULAR\n" |
| " attributes: [ S_ATTR_PURE_INSTRUCTIONS ]\n" |
| " alignment: 2\n" |
| " address: 0x12345678\n" |
| " content: [ 0x90, 0x90 ]\n" |
| "...\n"); |
| EXPECT_EQ(f->arch, lld::MachOLinkingContext::arch_x86_64); |
| EXPECT_EQ(f->fileType, llvm::MachO::MH_OBJECT); |
| EXPECT_TRUE(f->localSymbols.empty()); |
| EXPECT_TRUE(f->globalSymbols.empty()); |
| EXPECT_TRUE(f->undefinedSymbols.empty()); |
| EXPECT_EQ(f->sections.size(), 1UL); |
| const Section& sect = f->sections[0]; |
| EXPECT_TRUE(sect.segmentName.equals("__TEXT")); |
| EXPECT_TRUE(sect.sectionName.equals("__text")); |
| EXPECT_EQ((uint32_t)(sect.type), (uint32_t)(llvm::MachO::S_REGULAR)); |
| EXPECT_EQ((uint32_t)(sect.attributes), |
| (uint32_t)(llvm::MachO::S_ATTR_PURE_INSTRUCTIONS)); |
| EXPECT_EQ((uint16_t)sect.alignment, 2U); |
| EXPECT_EQ((uint64_t)sect.address, 0x12345678ULL); |
| EXPECT_EQ(sect.content.size(), 2UL); |
| EXPECT_EQ((int)(sect.content[0]), 0x90); |
| EXPECT_EQ((int)(sect.content[1]), 0x90); |
| } |
| |
| TEST(ObjectFileYAML, hello_x86_64) { |
| std::unique_ptr<NormalizedFile> f = fromYAML( |
| "---\n" |
| "arch: x86_64\n" |
| "file-type: MH_OBJECT\n" |
| "flags: [ MH_SUBSECTIONS_VIA_SYMBOLS ]\n" |
| "sections:\n" |
| " - segment: __TEXT\n" |
| " section: __text\n" |
| " type: S_REGULAR\n" |
| " attributes: [ S_ATTR_PURE_INSTRUCTIONS, S_ATTR_SOME_INSTRUCTIONS]\n" |
| " alignment: 1\n" |
| " address: 0x0000\n" |
| " content: [ 0x55, 0x48, 0x89, 0xe5, 0x48, 0x8d, 0x3d, 0x00,\n" |
| " 0x00, 0x00, 0x00, 0x30, 0xc0, 0xe8, 0x00, 0x00,\n" |
| " 0x00, 0x00, 0x31, 0xc0, 0x5d, 0xc3 ]\n" |
| " relocations:\n" |
| " - offset: 0x0e\n" |
| " type: X86_64_RELOC_BRANCH\n" |
| " length: 2\n" |
| " pc-rel: true\n" |
| " extern: true\n" |
| " symbol: 2\n" |
| " - offset: 0x07\n" |
| " type: X86_64_RELOC_SIGNED\n" |
| " length: 2\n" |
| " pc-rel: true\n" |
| " extern: true\n" |
| " symbol: 1\n" |
| " - segment: __TEXT\n" |
| " section: __cstring\n" |
| " type: S_CSTRING_LITERALS\n" |
| " attributes: [ ]\n" |
| " alignment: 1\n" |
| " address: 0x0016\n" |
| " content: [ 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x0a, 0x00 ]\n" |
| "global-symbols:\n" |
| " - name: _main\n" |
| " type: N_SECT\n" |
| " scope: [ N_EXT ]\n" |
| " sect: 1\n" |
| " value: 0x0\n" |
| "local-symbols:\n" |
| " - name: L_.str\n" |
| " type: N_SECT\n" |
| " scope: [ ]\n" |
| " sect: 2\n" |
| " value: 0x16\n" |
| "undefined-symbols:\n" |
| " - name: _printf\n" |
| " type: N_UNDF\n" |
| " value: 0x0\n" |
| "...\n"); |
| EXPECT_EQ(f->arch, lld::MachOLinkingContext::arch_x86_64); |
| EXPECT_EQ(f->fileType, llvm::MachO::MH_OBJECT); |
| EXPECT_EQ((int)(f->flags), (int)llvm::MachO::MH_SUBSECTIONS_VIA_SYMBOLS); |
| EXPECT_EQ(f->sections.size(), 2UL); |
| |
| const Section& sect1 = f->sections[0]; |
| EXPECT_TRUE(sect1.segmentName.equals("__TEXT")); |
| EXPECT_TRUE(sect1.sectionName.equals("__text")); |
| EXPECT_EQ((uint32_t)(sect1.type), (uint32_t)(llvm::MachO::S_REGULAR)); |
| EXPECT_EQ((uint32_t)(sect1.attributes), |
| (uint32_t)(llvm::MachO::S_ATTR_PURE_INSTRUCTIONS |
| | llvm::MachO::S_ATTR_SOME_INSTRUCTIONS)); |
| EXPECT_EQ((uint16_t)sect1.alignment, 1U); |
| EXPECT_EQ((uint64_t)sect1.address, 0x0ULL); |
| EXPECT_EQ(sect1.content.size(), 22UL); |
| EXPECT_EQ((int)(sect1.content[0]), 0x55); |
| EXPECT_EQ((int)(sect1.content[1]), 0x48); |
| EXPECT_EQ(sect1.relocations.size(), 2UL); |
| const Relocation& reloc1 = sect1.relocations[0]; |
| EXPECT_EQ(reloc1.offset, 0x0eU); |
| EXPECT_FALSE(reloc1.scattered); |
| EXPECT_EQ((int)reloc1.type, (int)llvm::MachO::X86_64_RELOC_BRANCH); |
| EXPECT_EQ(reloc1.length, 2); |
| EXPECT_TRUE(reloc1.pcRel); |
| EXPECT_TRUE(reloc1.isExtern); |
| EXPECT_EQ(reloc1.symbol, 2U); |
| EXPECT_EQ((int)(reloc1.value), 0); |
| const Relocation& reloc2 = sect1.relocations[1]; |
| EXPECT_EQ(reloc2.offset, 0x07U); |
| EXPECT_FALSE(reloc2.scattered); |
| EXPECT_EQ((int)reloc2.type, (int)llvm::MachO::X86_64_RELOC_SIGNED); |
| EXPECT_EQ(reloc2.length, 2); |
| EXPECT_TRUE(reloc2.pcRel); |
| EXPECT_TRUE(reloc2.isExtern); |
| EXPECT_EQ(reloc2.symbol, 1U); |
| EXPECT_EQ((int)(reloc2.value), 0); |
| |
| const Section& sect2 = f->sections[1]; |
| EXPECT_TRUE(sect2.segmentName.equals("__TEXT")); |
| EXPECT_TRUE(sect2.sectionName.equals("__cstring")); |
| EXPECT_EQ((uint32_t)(sect2.type), (uint32_t)(llvm::MachO::S_CSTRING_LITERALS)); |
| EXPECT_EQ((uint32_t)(sect2.attributes), 0U); |
| EXPECT_EQ((uint16_t)sect2.alignment, 1U); |
| EXPECT_EQ((uint64_t)sect2.address, 0x016ULL); |
| EXPECT_EQ(sect2.content.size(), 7UL); |
| EXPECT_EQ((int)(sect2.content[0]), 0x68); |
| EXPECT_EQ((int)(sect2.content[1]), 0x65); |
| EXPECT_EQ((int)(sect2.content[2]), 0x6c); |
| |
| EXPECT_EQ(f->globalSymbols.size(), 1UL); |
| const Symbol& sym1 = f->globalSymbols[0]; |
| EXPECT_TRUE(sym1.name.equals("_main")); |
| EXPECT_EQ((int)(sym1.type), llvm::MachO::N_SECT); |
| EXPECT_EQ((int)(sym1.scope), llvm::MachO::N_EXT); |
| EXPECT_EQ(sym1.sect, 1); |
| EXPECT_EQ((int)(sym1.desc), 0); |
| EXPECT_EQ((uint64_t)sym1.value, 0x0ULL); |
| EXPECT_EQ(f->localSymbols.size(), 1UL); |
| const Symbol& sym2 = f->localSymbols[0]; |
| EXPECT_TRUE(sym2.name.equals("L_.str")); |
| EXPECT_EQ((int)(sym2.type), llvm::MachO::N_SECT); |
| EXPECT_EQ((int)(sym2.scope), 0); |
| EXPECT_EQ(sym2.sect, 2); |
| EXPECT_EQ((int)(sym2.desc), 0); |
| EXPECT_EQ((uint64_t)sym2.value, 0x16ULL); |
| EXPECT_EQ(f->undefinedSymbols.size(), 1UL); |
| const Symbol& sym3 = f->undefinedSymbols[0]; |
| EXPECT_TRUE(sym3.name.equals("_printf")); |
| EXPECT_EQ((int)(sym3.type), llvm::MachO::N_UNDF); |
| EXPECT_EQ((int)(sym3.scope), 0); |
| EXPECT_EQ(sym3.sect, 0); |
| EXPECT_EQ((int)(sym3.desc), 0); |
| EXPECT_EQ((uint64_t)sym3.value, 0x0ULL); |
| } |
| |
| TEST(ObjectFileYAML, hello_x86) { |
| std::unique_ptr<NormalizedFile> f = fromYAML( |
| "---\n" |
| "arch: x86\n" |
| "file-type: MH_OBJECT\n" |
| "flags: [ MH_SUBSECTIONS_VIA_SYMBOLS ]\n" |
| "sections:\n" |
| " - segment: __TEXT\n" |
| " section: __text\n" |
| " type: S_REGULAR\n" |
| " attributes: [ S_ATTR_PURE_INSTRUCTIONS, S_ATTR_SOME_INSTRUCTIONS]\n" |
| " alignment: 1\n" |
| " address: 0x0000\n" |
| " content: [ 0x55, 0x89, 0xe5, 0x83, 0xec, 0x08, 0xe8, 0x00,\n" |
| " 0x00, 0x00, 0x00, 0x58, 0x8d, 0x80, 0x16, 0x00,\n" |
| " 0x00, 0x00, 0x89, 0x04, 0x24, 0xe8, 0xe6, 0xff,\n" |
| " 0xff, 0xff, 0x31, 0xc0, 0x83, 0xc4, 0x08, 0x5d,\n" |
| " 0xc3 ]\n" |
| " relocations:\n" |
| " - offset: 0x16\n" |
| " type: GENERIC_RELOC_VANILLA\n" |
| " length: 2\n" |
| " pc-rel: true\n" |
| " extern: true\n" |
| " symbol: 1\n" |
| " - offset: 0x0e\n" |
| " scattered: true\n" |
| " type: GENERIC_RELOC_LOCAL_SECTDIFF\n" |
| " length: 2\n" |
| " pc-rel: false\n" |
| " value: 0x21\n" |
| " - offset: 0x0\n" |
| " scattered: true\n" |
| " type: GENERIC_RELOC_PAIR\n" |
| " length: 2\n" |
| " pc-rel: false\n" |
| " value: 0xb\n" |
| " - segment: __TEXT\n" |
| " section: __cstring\n" |
| " type: S_CSTRING_LITERALS\n" |
| " attributes: [ ]\n" |
| " alignment: 1\n" |
| " address: 0x0021\n" |
| " content: [ 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x0a, 0x00 ]\n" |
| "global-symbols:\n" |
| " - name: _main\n" |
| " type: N_SECT\n" |
| " scope: [ N_EXT ]\n" |
| " sect: 1\n" |
| " value: 0x0\n" |
| "undefined-symbols:\n" |
| " - name: _printf\n" |
| " type: N_UNDF\n" |
| " value: 0x0\n" |
| "...\n"); |
| EXPECT_EQ(f->arch, lld::MachOLinkingContext::arch_x86); |
| EXPECT_EQ(f->fileType, llvm::MachO::MH_OBJECT); |
| EXPECT_EQ((int)(f->flags), (int)llvm::MachO::MH_SUBSECTIONS_VIA_SYMBOLS); |
| EXPECT_EQ(f->sections.size(), 2UL); |
| |
| const Section& sect1 = f->sections[0]; |
| EXPECT_TRUE(sect1.segmentName.equals("__TEXT")); |
| EXPECT_TRUE(sect1.sectionName.equals("__text")); |
| EXPECT_EQ((uint32_t)(sect1.type), (uint32_t)(llvm::MachO::S_REGULAR)); |
| EXPECT_EQ((uint32_t)(sect1.attributes), |
| (uint32_t)(llvm::MachO::S_ATTR_PURE_INSTRUCTIONS |
| | llvm::MachO::S_ATTR_SOME_INSTRUCTIONS)); |
| EXPECT_EQ((uint16_t)sect1.alignment, 1U); |
| EXPECT_EQ((uint64_t)sect1.address, 0x0ULL); |
| EXPECT_EQ(sect1.content.size(), 33UL); |
| EXPECT_EQ((int)(sect1.content[0]), 0x55); |
| EXPECT_EQ((int)(sect1.content[1]), 0x89); |
| EXPECT_EQ(sect1.relocations.size(), 3UL); |
| const Relocation& reloc1 = sect1.relocations[0]; |
| EXPECT_EQ(reloc1.offset, 0x16U); |
| EXPECT_FALSE(reloc1.scattered); |
| EXPECT_EQ((int)reloc1.type, (int)llvm::MachO::GENERIC_RELOC_VANILLA); |
| EXPECT_EQ(reloc1.length, 2); |
| EXPECT_TRUE(reloc1.pcRel); |
| EXPECT_TRUE(reloc1.isExtern); |
| EXPECT_EQ(reloc1.symbol, 1U); |
| EXPECT_EQ((int)(reloc1.value), 0); |
| const Relocation& reloc2 = sect1.relocations[1]; |
| EXPECT_EQ(reloc2.offset, 0x0eU); |
| EXPECT_TRUE(reloc2.scattered); |
| EXPECT_EQ((int)reloc2.type, (int)llvm::MachO::GENERIC_RELOC_LOCAL_SECTDIFF); |
| EXPECT_EQ(reloc2.length, 2); |
| EXPECT_FALSE(reloc2.pcRel); |
| EXPECT_EQ(reloc2.symbol, 0U); |
| EXPECT_EQ((int)(reloc2.value), 0x21); |
| const Relocation& reloc3 = sect1.relocations[2]; |
| EXPECT_EQ(reloc3.offset, 0U); |
| EXPECT_TRUE(reloc3.scattered); |
| EXPECT_EQ((int)reloc3.type, (int)llvm::MachO::GENERIC_RELOC_PAIR); |
| EXPECT_EQ(reloc3.length, 2); |
| EXPECT_FALSE(reloc3.pcRel); |
| EXPECT_EQ(reloc3.symbol, 0U); |
| EXPECT_EQ((int)(reloc3.value), 0xb); |
| |
| const Section& sect2 = f->sections[1]; |
| EXPECT_TRUE(sect2.segmentName.equals("__TEXT")); |
| EXPECT_TRUE(sect2.sectionName.equals("__cstring")); |
| EXPECT_EQ((uint32_t)(sect2.type), (uint32_t)(llvm::MachO::S_CSTRING_LITERALS)); |
| EXPECT_EQ((uint32_t)(sect2.attributes), 0U); |
| EXPECT_EQ((uint16_t)sect2.alignment, 1U); |
| EXPECT_EQ((uint64_t)sect2.address, 0x021ULL); |
| EXPECT_EQ(sect2.content.size(), 7UL); |
| EXPECT_EQ((int)(sect2.content[0]), 0x68); |
| EXPECT_EQ((int)(sect2.content[1]), 0x65); |
| EXPECT_EQ((int)(sect2.content[2]), 0x6c); |
| |
| EXPECT_EQ(f->globalSymbols.size(), 1UL); |
| const Symbol& sym1 = f->globalSymbols[0]; |
| EXPECT_TRUE(sym1.name.equals("_main")); |
| EXPECT_EQ((int)(sym1.type), llvm::MachO::N_SECT); |
| EXPECT_EQ((int)(sym1.scope), llvm::MachO::N_EXT); |
| EXPECT_EQ(sym1.sect, 1); |
| EXPECT_EQ((int)(sym1.desc), 0); |
| EXPECT_EQ((uint64_t)sym1.value, 0x0ULL); |
| EXPECT_EQ(f->undefinedSymbols.size(), 1UL); |
| const Symbol& sym2 = f->undefinedSymbols[0]; |
| EXPECT_TRUE(sym2.name.equals("_printf")); |
| EXPECT_EQ((int)(sym2.type), llvm::MachO::N_UNDF); |
| EXPECT_EQ((int)(sym2.scope), 0); |
| EXPECT_EQ(sym2.sect, 0); |
| EXPECT_EQ((int)(sym2.desc), 0); |
| EXPECT_EQ((uint64_t)sym2.value, 0x0ULL); |
| } |
| |
| TEST(ObjectFileYAML, hello_armv6) { |
| std::unique_ptr<NormalizedFile> f = fromYAML( |
| "---\n" |
| "arch: armv6\n" |
| "file-type: MH_OBJECT\n" |
| "flags: [ MH_SUBSECTIONS_VIA_SYMBOLS ]\n" |
| "sections:\n" |
| " - segment: __TEXT\n" |
| " section: __text\n" |
| " type: S_REGULAR\n" |
| " attributes: [ S_ATTR_PURE_INSTRUCTIONS, S_ATTR_SOME_INSTRUCTIONS]\n" |
| " alignment: 4\n" |
| " address: 0x0000\n" |
| " content: [ 0x80, 0x40, 0x2d, 0xe9, 0x10, 0x00, 0x9f, 0xe5,\n" |
| " 0x0d, 0x70, 0xa0, 0xe1, 0x00, 0x00, 0x8f, 0xe0,\n" |
| " 0xfa, 0xff, 0xff, 0xeb, 0x00, 0x00, 0xa0, 0xe3,\n" |
| " 0x80, 0x80, 0xbd, 0xe8, 0x0c, 0x00, 0x00, 0x00 ]\n" |
| " relocations:\n" |
| " - offset: 0x1c\n" |
| " scattered: true\n" |
| " type: ARM_RELOC_SECTDIFF\n" |
| " length: 2\n" |
| " pc-rel: false\n" |
| " value: 0x20\n" |
| " - offset: 0x0\n" |
| " scattered: true\n" |
| " type: ARM_RELOC_PAIR\n" |
| " length: 2\n" |
| " pc-rel: false\n" |
| " value: 0xc\n" |
| " - offset: 0x10\n" |
| " type: ARM_RELOC_BR24\n" |
| " length: 2\n" |
| " pc-rel: true\n" |
| " extern: true\n" |
| " symbol: 1\n" |
| " - segment: __TEXT\n" |
| " section: __cstring\n" |
| " type: S_CSTRING_LITERALS\n" |
| " attributes: [ ]\n" |
| " alignment: 1\n" |
| " address: 0x0020\n" |
| " content: [ 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x0a, 0x00 ]\n" |
| "global-symbols:\n" |
| " - name: _main\n" |
| " type: N_SECT\n" |
| " scope: [ N_EXT ]\n" |
| " sect: 1\n" |
| " value: 0x0\n" |
| "undefined-symbols:\n" |
| " - name: _printf\n" |
| " type: N_UNDF\n" |
| " value: 0x0\n" |
| "...\n"); |
| EXPECT_EQ(f->arch, lld::MachOLinkingContext::arch_armv6); |
| EXPECT_EQ(f->fileType, llvm::MachO::MH_OBJECT); |
| EXPECT_EQ((int)(f->flags), (int)llvm::MachO::MH_SUBSECTIONS_VIA_SYMBOLS); |
| EXPECT_EQ(f->sections.size(), 2UL); |
| |
| const Section& sect1 = f->sections[0]; |
| EXPECT_TRUE(sect1.segmentName.equals("__TEXT")); |
| EXPECT_TRUE(sect1.sectionName.equals("__text")); |
| EXPECT_EQ((uint32_t)(sect1.type), (uint32_t)(llvm::MachO::S_REGULAR)); |
| EXPECT_EQ((uint32_t)(sect1.attributes), |
| (uint32_t)(llvm::MachO::S_ATTR_PURE_INSTRUCTIONS |
| | llvm::MachO::S_ATTR_SOME_INSTRUCTIONS)); |
| EXPECT_EQ((uint16_t)sect1.alignment, 4U); |
| EXPECT_EQ((uint64_t)sect1.address, 0x0ULL); |
| EXPECT_EQ(sect1.content.size(), 32UL); |
| EXPECT_EQ((int)(sect1.content[0]), 0x80); |
| EXPECT_EQ((int)(sect1.content[1]), 0x40); |
| EXPECT_EQ(sect1.relocations.size(), 3UL); |
| const Relocation& reloc1 = sect1.relocations[0]; |
| EXPECT_EQ(reloc1.offset, 0x1cU); |
| EXPECT_TRUE(reloc1.scattered); |
| EXPECT_EQ((int)reloc1.type, (int)llvm::MachO::ARM_RELOC_SECTDIFF); |
| EXPECT_EQ(reloc1.length, 2); |
| EXPECT_FALSE(reloc1.pcRel); |
| EXPECT_EQ(reloc1.symbol, 0U); |
| EXPECT_EQ((int)(reloc1.value), 0x20); |
| const Relocation& reloc2 = sect1.relocations[1]; |
| EXPECT_EQ(reloc2.offset, 0x0U); |
| EXPECT_TRUE(reloc2.scattered); |
| EXPECT_EQ((int)reloc2.type, (int)llvm::MachO::ARM_RELOC_PAIR); |
| EXPECT_EQ(reloc2.length, 2); |
| EXPECT_FALSE(reloc2.pcRel); |
| EXPECT_EQ(reloc2.symbol, 0U); |
| EXPECT_EQ((int)(reloc2.value), 0xc); |
| const Relocation& reloc3 = sect1.relocations[2]; |
| EXPECT_EQ(reloc3.offset, 0x10U); |
| EXPECT_FALSE(reloc3.scattered); |
| EXPECT_EQ((int)reloc3.type, (int)llvm::MachO::ARM_RELOC_BR24); |
| EXPECT_EQ(reloc3.length, 2); |
| EXPECT_TRUE(reloc3.pcRel); |
| EXPECT_TRUE(reloc3.isExtern); |
| EXPECT_EQ(reloc3.symbol, 1U); |
| EXPECT_EQ((int)(reloc3.value), 0); |
| |
| const Section& sect2 = f->sections[1]; |
| EXPECT_TRUE(sect2.segmentName.equals("__TEXT")); |
| EXPECT_TRUE(sect2.sectionName.equals("__cstring")); |
| EXPECT_EQ((uint32_t)(sect2.type), (uint32_t)(llvm::MachO::S_CSTRING_LITERALS)); |
| EXPECT_EQ((uint32_t)(sect2.attributes), 0U); |
| EXPECT_EQ((uint16_t)sect2.alignment, 1U); |
| EXPECT_EQ((uint64_t)sect2.address, 0x020ULL); |
| EXPECT_EQ(sect2.content.size(), 7UL); |
| EXPECT_EQ((int)(sect2.content[0]), 0x68); |
| EXPECT_EQ((int)(sect2.content[1]), 0x65); |
| EXPECT_EQ((int)(sect2.content[2]), 0x6c); |
| |
| EXPECT_EQ(f->globalSymbols.size(), 1UL); |
| const Symbol& sym1 = f->globalSymbols[0]; |
| EXPECT_TRUE(sym1.name.equals("_main")); |
| EXPECT_EQ((int)(sym1.type), llvm::MachO::N_SECT); |
| EXPECT_EQ((int)(sym1.scope), llvm::MachO::N_EXT); |
| EXPECT_EQ(sym1.sect, 1); |
| EXPECT_EQ((int)(sym1.desc), 0); |
| EXPECT_EQ((uint64_t)sym1.value, 0x0ULL); |
| EXPECT_EQ(f->undefinedSymbols.size(), 1UL); |
| const Symbol& sym2 = f->undefinedSymbols[0]; |
| EXPECT_TRUE(sym2.name.equals("_printf")); |
| EXPECT_EQ((int)(sym2.type), llvm::MachO::N_UNDF); |
| EXPECT_EQ((int)(sym2.scope), 0); |
| EXPECT_EQ(sym2.sect, 0); |
| EXPECT_EQ((int)(sym2.desc), 0); |
| EXPECT_EQ((uint64_t)sym2.value, 0x0ULL); |
| } |
| |
| TEST(ObjectFileYAML, hello_armv7) { |
| std::unique_ptr<NormalizedFile> f = fromYAML( |
| "---\n" |
| "arch: armv7\n" |
| "file-type: MH_OBJECT\n" |
| "flags: [ MH_SUBSECTIONS_VIA_SYMBOLS ]\n" |
| "sections:\n" |
| " - segment: __TEXT\n" |
| " section: __text\n" |
| " type: S_REGULAR\n" |
| " attributes: [ S_ATTR_PURE_INSTRUCTIONS, S_ATTR_SOME_INSTRUCTIONS]\n" |
| " alignment: 2\n" |
| " address: 0x0000\n" |
| " content: [ 0x80, 0xb5, 0x40, 0xf2, 0x06, 0x00, 0x6f, 0x46,\n" |
| " 0xc0, 0xf2, 0x00, 0x00, 0x78, 0x44, 0xff, 0xf7,\n" |
| " 0xf8, 0xef, 0x00, 0x20, 0x80, 0xbd ]\n" |
| " relocations:\n" |
| " - offset: 0x0e\n" |
| " type: ARM_THUMB_RELOC_BR22\n" |
| " length: 2\n" |
| " pc-rel: true\n" |
| " extern: true\n" |
| " symbol: 1\n" |
| " - offset: 0x08\n" |
| " scattered: true\n" |
| " type: ARM_RELOC_HALF_SECTDIFF\n" |
| " length: 3\n" |
| " pc-rel: false\n" |
| " value: 0x16\n" |
| " - offset: 0x06\n" |
| " scattered: true\n" |
| " type: ARM_RELOC_PAIR\n" |
| " length: 3\n" |
| " pc-rel: false\n" |
| " value: 0xc\n" |
| " - offset: 0x02\n" |
| " scattered: true\n" |
| " type: ARM_RELOC_HALF_SECTDIFF\n" |
| " length: 2\n" |
| " pc-rel: false\n" |
| " value: 0x16\n" |
| " - offset: 0x0\n" |
| " scattered: true\n" |
| " type: ARM_RELOC_PAIR\n" |
| " length: 2\n" |
| " pc-rel: false\n" |
| " value: 0xc\n" |
| " - segment: __TEXT\n" |
| " section: __cstring\n" |
| " type: S_CSTRING_LITERALS\n" |
| " attributes: [ ]\n" |
| " alignment: 1\n" |
| " address: 0x0016\n" |
| " content: [ 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x0a, 0x00 ]\n" |
| "global-symbols:\n" |
| " - name: _main\n" |
| " type: N_SECT\n" |
| " scope: [ N_EXT ]\n" |
| " sect: 1\n" |
| " desc: [ N_ARM_THUMB_DEF ]\n" |
| " value: 0x0\n" |
| "undefined-symbols:\n" |
| " - name: _printf\n" |
| " type: N_UNDF\n" |
| " value: 0x0\n" |
| "...\n"); |
| EXPECT_EQ(f->arch, lld::MachOLinkingContext::arch_armv7); |
| EXPECT_EQ(f->fileType, llvm::MachO::MH_OBJECT); |
| EXPECT_EQ((int)(f->flags), (int)llvm::MachO::MH_SUBSECTIONS_VIA_SYMBOLS); |
| EXPECT_EQ(f->sections.size(), 2UL); |
| |
| const Section& sect1 = f->sections[0]; |
| EXPECT_TRUE(sect1.segmentName.equals("__TEXT")); |
| EXPECT_TRUE(sect1.sectionName.equals("__text")); |
| EXPECT_EQ((uint32_t)(sect1.type), (uint32_t)(llvm::MachO::S_REGULAR)); |
| EXPECT_EQ((uint32_t)(sect1.attributes), |
| (uint32_t)(llvm::MachO::S_ATTR_PURE_INSTRUCTIONS |
| | llvm::MachO::S_ATTR_SOME_INSTRUCTIONS)); |
| EXPECT_EQ((uint16_t)sect1.alignment, 2U); |
| EXPECT_EQ((uint64_t)sect1.address, 0x0ULL); |
| EXPECT_EQ(sect1.content.size(), 22UL); |
| EXPECT_EQ((int)(sect1.content[0]), 0x80); |
| EXPECT_EQ((int)(sect1.content[1]), 0xb5); |
| EXPECT_EQ(sect1.relocations.size(), 5UL); |
| const Relocation& reloc1 = sect1.relocations[0]; |
| EXPECT_EQ(reloc1.offset, 0x0eU); |
| EXPECT_FALSE(reloc1.scattered); |
| EXPECT_EQ((int)reloc1.type, (int)llvm::MachO::ARM_THUMB_RELOC_BR22); |
| EXPECT_EQ(reloc1.length, 2); |
| EXPECT_TRUE(reloc1.pcRel); |
| EXPECT_TRUE(reloc1.isExtern); |
| EXPECT_EQ(reloc1.symbol, 1U); |
| EXPECT_EQ((int)(reloc1.value), 0); |
| const Relocation& reloc2 = sect1.relocations[1]; |
| EXPECT_EQ(reloc2.offset, 0x8U); |
| EXPECT_TRUE(reloc2.scattered); |
| EXPECT_EQ((int)reloc2.type, (int)llvm::MachO::ARM_RELOC_HALF_SECTDIFF); |
| EXPECT_EQ(reloc2.length, 3); |
| EXPECT_FALSE(reloc2.pcRel); |
| EXPECT_EQ(reloc2.symbol, 0U); |
| EXPECT_EQ((int)(reloc2.value), 0x16); |
| const Relocation& reloc3 = sect1.relocations[2]; |
| EXPECT_EQ(reloc3.offset, 0x6U); |
| EXPECT_TRUE(reloc3.scattered); |
| EXPECT_EQ((int)reloc3.type, (int)llvm::MachO::ARM_RELOC_PAIR); |
| EXPECT_EQ(reloc3.length, 3); |
| EXPECT_FALSE(reloc3.pcRel); |
| EXPECT_EQ(reloc3.symbol, 0U); |
| EXPECT_EQ((int)(reloc3.value), 0xc); |
| const Relocation& reloc4 = sect1.relocations[3]; |
| EXPECT_EQ(reloc4.offset, 0x2U); |
| EXPECT_TRUE(reloc4.scattered); |
| EXPECT_EQ((int)reloc4.type, (int)llvm::MachO::ARM_RELOC_HALF_SECTDIFF); |
| EXPECT_EQ(reloc4.length, 2); |
| EXPECT_FALSE(reloc4.pcRel); |
| EXPECT_EQ(reloc4.symbol, 0U); |
| EXPECT_EQ((int)(reloc4.value), 0x16); |
| const Relocation& reloc5 = sect1.relocations[4]; |
| EXPECT_EQ(reloc5.offset, 0x0U); |
| EXPECT_TRUE(reloc5.scattered); |
| EXPECT_EQ((int)reloc5.type, (int)llvm::MachO::ARM_RELOC_PAIR); |
| EXPECT_EQ(reloc5.length, 2); |
| EXPECT_FALSE(reloc5.pcRel); |
| EXPECT_EQ(reloc5.symbol, 0U); |
| EXPECT_EQ((int)(reloc5.value), 0xc); |
| |
| const Section& sect2 = f->sections[1]; |
| EXPECT_TRUE(sect2.segmentName.equals("__TEXT")); |
| EXPECT_TRUE(sect2.sectionName.equals("__cstring")); |
| EXPECT_EQ((uint32_t)(sect2.type), (uint32_t)(llvm::MachO::S_CSTRING_LITERALS)); |
| EXPECT_EQ((uint32_t)(sect2.attributes), 0U); |
| EXPECT_EQ((uint16_t)sect2.alignment, 1U); |
| EXPECT_EQ((uint64_t)sect2.address, 0x016ULL); |
| EXPECT_EQ(sect2.content.size(), 7UL); |
| EXPECT_EQ((int)(sect2.content[0]), 0x68); |
| EXPECT_EQ((int)(sect2.content[1]), 0x65); |
| EXPECT_EQ((int)(sect2.content[2]), 0x6c); |
| |
| EXPECT_EQ(f->globalSymbols.size(), 1UL); |
| const Symbol& sym1 = f->globalSymbols[0]; |
| EXPECT_TRUE(sym1.name.equals("_main")); |
| EXPECT_EQ((int)(sym1.type), llvm::MachO::N_SECT); |
| EXPECT_EQ((int)(sym1.scope), llvm::MachO::N_EXT); |
| EXPECT_EQ(sym1.sect, 1); |
| EXPECT_EQ((int)(sym1.desc), (int)(llvm::MachO::N_ARM_THUMB_DEF)); |
| EXPECT_EQ((uint64_t)sym1.value, 0x0ULL); |
| EXPECT_EQ(f->undefinedSymbols.size(), 1UL); |
| const Symbol& sym2 = f->undefinedSymbols[0]; |
| EXPECT_TRUE(sym2.name.equals("_printf")); |
| EXPECT_EQ((int)(sym2.type), llvm::MachO::N_UNDF); |
| EXPECT_EQ((int)(sym2.scope), 0); |
| EXPECT_EQ(sym2.sect, 0); |
| EXPECT_EQ((int)(sym2.desc), 0); |
| EXPECT_EQ((uint64_t)sym2.value, 0x0ULL); |
| } |
