//===- lld/unittest/MachOTests/MachONormalizedFileYAMLTests.cpp -----------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #include "gtest/gtest.h" #include "../../lib/ReaderWriter/MachO/MachONormalizedFile.h" #include "llvm/Support/MachO.h" #include #include using llvm::StringRef; using llvm::MemoryBuffer; using llvm::ErrorOr; 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 fromYAML(StringRef str) { std::unique_ptr mb(MemoryBuffer::getMemBuffer(str)); ErrorOr> 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 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), 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 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), 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 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), 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 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), 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 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), 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 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), 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 = llvm::MachO::MH_SUBSECTIONS_VIA_SYMBOLS; f.os = lld::MachOLinkingContext::OS::macOSX; toYAML(f, intermediate); } { std::unique_ptr 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), 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 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 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: 1\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(sect.alignment, 1U); 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 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: 0\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: 0\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), 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(sect1.alignment, 0U); 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(sect2.alignment, 0U); 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 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: 0\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: 0\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), 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(sect1.alignment, 0U); 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(sect2.alignment, 0U); 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 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: 2\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: 0\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), 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(sect1.alignment, 2U); 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(sect2.alignment, 0U); 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 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: 1\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: 0\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), 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(sect1.alignment, 1U); 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(sect2.alignment, 0U); 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); }