//===- lld/unittest/MachOTests/MachONormalizedFileBinaryWriterTests.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 "llvm/ADT/Twine.h" #include "llvm/BinaryFormat/MachO.h" #include "llvm/Support/FileSystem.h" #include "gtest/gtest.h" #include #include #include #include using llvm::StringRef; using llvm::MemoryBuffer; using llvm::SmallString; using llvm::Twine; using llvm::ErrorOr; using namespace llvm::MachO; using namespace lld::mach_o::normalized; // Parses binary mach-o file at specified path and returns // ownership of buffer to mb parameter and ownership of // Normalized file to nf parameter. static void fromBinary(StringRef path, std::unique_ptr &mb, std::unique_ptr &nf, StringRef archStr) { ErrorOr> mbOrErr = MemoryBuffer::getFile(path); std::error_code ec = mbOrErr.getError(); EXPECT_FALSE(ec); mb = std::move(mbOrErr.get()); llvm::Expected> r = lld::mach_o::normalized::readBinary( mb, lld::MachOLinkingContext::archFromName(archStr)); EXPECT_FALSE(!r); nf.reset(r->release()); } static Relocation makeReloc(unsigned addr, bool rel, bool ext, RelocationInfoType type, unsigned sym) { Relocation result; result.offset = addr; result.scattered = false; result.type = type; result.length = 2; result.pcRel = rel; result.isExtern = ext; result.value = 0; result.symbol = sym; return result; } static Relocation makeScatReloc(unsigned addr, RelocationInfoType type, unsigned value) { Relocation result; result.offset = addr; result.scattered = true; result.type = type; result.length = 2; result.pcRel = false; result.isExtern = true; result.value = value; result.symbol = 0; return result; } static Symbol makeUndefSymbol(StringRef name) { Symbol sym; sym.name = name; sym.type = N_UNDF; sym.scope = N_EXT; sym.sect = NO_SECT; sym.desc = 0; sym.value = 0; return sym; } static Symbol makeSymbol(StringRef name, unsigned addr) { Symbol sym; sym.name = name; sym.type = N_SECT; sym.scope = N_EXT; sym.sect = 1; sym.desc = 0; sym.value = addr; return sym; } static Symbol makeThumbSymbol(StringRef name, unsigned addr) { Symbol sym; sym.name = name; sym.type = N_SECT; sym.scope = N_EXT; sym.sect = 1; sym.desc = N_ARM_THUMB_DEF; sym.value = addr; return sym; } TEST(BinaryWriterTest, obj_relocs_x86_64) { SmallString<128> tmpFl; { NormalizedFile f; f.arch = lld::MachOLinkingContext::arch_x86_64; f.fileType = MH_OBJECT; f.flags = MH_SUBSECTIONS_VIA_SYMBOLS; f.os = lld::MachOLinkingContext::OS::macOSX; f.sections.resize(1); Section& text = f.sections.front(); text.segmentName = "__TEXT"; text.sectionName = "__text"; text.type = S_REGULAR; text.attributes = SectionAttr(S_ATTR_PURE_INSTRUCTIONS | S_ATTR_SOME_INSTRUCTIONS); text.alignment = 16; text.address = 0; const uint8_t textBytes[] = { 0xe8, 0x00, 0x00, 0x00, 0x00, 0x48, 0x8b, 0x05, 0x00, 0x00, 0x00, 0x00, 0xff, 0x35, 0x00, 0x00, 0x00, 0x00, 0x8b, 0x05, 0x00, 0x00, 0x00, 0x00, 0xc6, 0x05, 0xff, 0xff, 0xff, 0xff, 0x12, 0xc7, 0x05, 0xfc, 0xff, 0xff, 0xff, 0x78, 0x56, 0x34, 0x12, 0x48, 0x8b, 0x3d, 0x00, 0x00, 0x00, 0x00 }; text.content = llvm::makeArrayRef(textBytes, sizeof(textBytes)); text.relocations.push_back(makeReloc(0x01, false, true, X86_64_RELOC_BRANCH, 1)); text.relocations.push_back(makeReloc(0x08, false, true, X86_64_RELOC_GOT_LOAD, 1)); text.relocations.push_back(makeReloc(0x0E, false, true, X86_64_RELOC_GOT, 1)); text.relocations.push_back(makeReloc(0x14, false, true, X86_64_RELOC_SIGNED, 1)); text.relocations.push_back(makeReloc(0x1A, false, true, X86_64_RELOC_SIGNED_1, 1)); text.relocations.push_back(makeReloc(0x21, false, true, X86_64_RELOC_SIGNED_4, 1)); text.relocations.push_back(makeReloc(0x2C, false, true, X86_64_RELOC_TLV, 2)); f.undefinedSymbols.push_back(makeUndefSymbol("_bar")); f.undefinedSymbols.push_back(makeUndefSymbol("_tbar")); std::error_code ec = llvm::sys::fs::createTemporaryFile(Twine("xx"), "o", tmpFl); EXPECT_FALSE(ec); llvm::Error ec2 = writeBinary(f, tmpFl); EXPECT_FALSE(ec2); } std::unique_ptr bufferOwner; std::unique_ptr f2; fromBinary(tmpFl, bufferOwner, f2, "x86_64"); EXPECT_EQ(lld::MachOLinkingContext::arch_x86_64, f2->arch); EXPECT_EQ(MH_OBJECT, f2->fileType); EXPECT_EQ(FileFlags(MH_SUBSECTIONS_VIA_SYMBOLS), f2->flags); EXPECT_TRUE(f2->localSymbols.empty()); EXPECT_TRUE(f2->globalSymbols.empty()); EXPECT_EQ(2UL, f2->undefinedSymbols.size()); const Symbol& barUndef = f2->undefinedSymbols[0]; EXPECT_TRUE(barUndef.name.equals("_bar")); EXPECT_EQ(N_UNDF, barUndef.type); EXPECT_EQ(SymbolScope(N_EXT), barUndef.scope); const Symbol& tbarUndef = f2->undefinedSymbols[1]; EXPECT_TRUE(tbarUndef.name.equals("_tbar")); EXPECT_EQ(N_UNDF, tbarUndef.type); EXPECT_EQ(SymbolScope(N_EXT), tbarUndef.scope); EXPECT_EQ(1UL, f2->sections.size()); const Section& text = f2->sections[0]; EXPECT_TRUE(text.segmentName.equals("__TEXT")); EXPECT_TRUE(text.sectionName.equals("__text")); EXPECT_EQ(S_REGULAR, text.type); EXPECT_EQ(text.attributes,SectionAttr(S_ATTR_PURE_INSTRUCTIONS | S_ATTR_SOME_INSTRUCTIONS)); EXPECT_EQ((uint16_t)text.alignment, 16U); EXPECT_EQ(text.address, Hex64(0x0)); EXPECT_EQ(48UL, text.content.size()); const Relocation& call = text.relocations[0]; EXPECT_EQ(call.offset, Hex32(0x1)); EXPECT_EQ(call.type, X86_64_RELOC_BRANCH); EXPECT_EQ(call.length, 2); EXPECT_EQ(call.isExtern, true); EXPECT_EQ(call.symbol, 1U); const Relocation& gotLoad = text.relocations[1]; EXPECT_EQ(gotLoad.offset, Hex32(0x8)); EXPECT_EQ(gotLoad.type, X86_64_RELOC_GOT_LOAD); EXPECT_EQ(gotLoad.length, 2); EXPECT_EQ(gotLoad.isExtern, true); EXPECT_EQ(gotLoad.symbol, 1U); const Relocation& gotUse = text.relocations[2]; EXPECT_EQ(gotUse.offset, Hex32(0xE)); EXPECT_EQ(gotUse.type, X86_64_RELOC_GOT); EXPECT_EQ(gotUse.length, 2); EXPECT_EQ(gotUse.isExtern, true); EXPECT_EQ(gotUse.symbol, 1U); const Relocation& signed0 = text.relocations[3]; EXPECT_EQ(signed0.offset, Hex32(0x14)); EXPECT_EQ(signed0.type, X86_64_RELOC_SIGNED); EXPECT_EQ(signed0.length, 2); EXPECT_EQ(signed0.isExtern, true); EXPECT_EQ(signed0.symbol, 1U); const Relocation& signed1 = text.relocations[4]; EXPECT_EQ(signed1.offset, Hex32(0x1A)); EXPECT_EQ(signed1.type, X86_64_RELOC_SIGNED_1); EXPECT_EQ(signed1.length, 2); EXPECT_EQ(signed1.isExtern, true); EXPECT_EQ(signed1.symbol, 1U); const Relocation& signed4 = text.relocations[5]; EXPECT_EQ(signed4.offset, Hex32(0x21)); EXPECT_EQ(signed4.type, X86_64_RELOC_SIGNED_4); EXPECT_EQ(signed4.length, 2); EXPECT_EQ(signed4.isExtern, true); EXPECT_EQ(signed4.symbol, 1U); bufferOwner.reset(nullptr); std::error_code ec = llvm::sys::fs::remove(Twine(tmpFl)); EXPECT_FALSE(ec); } TEST(BinaryWriterTest, obj_relocs_x86) { SmallString<128> tmpFl; { NormalizedFile f; f.arch = lld::MachOLinkingContext::arch_x86; f.fileType = MH_OBJECT; f.flags = MH_SUBSECTIONS_VIA_SYMBOLS; f.os = lld::MachOLinkingContext::OS::macOSX; f.sections.resize(1); Section& text = f.sections.front(); text.segmentName = "__TEXT"; text.sectionName = "__text"; text.type = S_REGULAR; text.attributes = SectionAttr(S_ATTR_PURE_INSTRUCTIONS | S_ATTR_SOME_INSTRUCTIONS); text.alignment = 16; text.address = 0; const uint8_t textBytes[] = { 0xe8, 0xfb, 0xff, 0xff, 0xff, 0xa1, 0x00, 0x00, 0x00, 0x00, 0x8b, 0xb0, 0xfb, 0xff, 0xff, 0xff, 0x8b, 0x80, 0x11, 0x00, 0x00, 0x00 }; text.content = llvm::makeArrayRef(textBytes, sizeof(textBytes)); text.relocations.push_back(makeReloc(0x01, true, true, GENERIC_RELOC_VANILLA, 0)); text.relocations.push_back(makeReloc(0x06, false, true, GENERIC_RELOC_VANILLA, 0)); text.relocations.push_back(makeScatReloc(0x0c, GENERIC_RELOC_LOCAL_SECTDIFF, 0)); text.relocations.push_back(makeScatReloc(0x0, GENERIC_RELOC_PAIR, 5)); text.relocations.push_back(makeReloc(0x12, true, true, GENERIC_RELOC_TLV, 1)); f.undefinedSymbols.push_back(makeUndefSymbol("_bar")); f.undefinedSymbols.push_back(makeUndefSymbol("_tbar")); std::error_code ec = llvm::sys::fs::createTemporaryFile(Twine("xx"), "o", tmpFl); EXPECT_FALSE(ec); llvm::Error ec2 = writeBinary(f, tmpFl); EXPECT_FALSE(ec2); } std::unique_ptr bufferOwner; std::unique_ptr f2; fromBinary(tmpFl, bufferOwner, f2, "i386"); EXPECT_EQ(lld::MachOLinkingContext::arch_x86, f2->arch); EXPECT_EQ(MH_OBJECT, f2->fileType); EXPECT_EQ(FileFlags(MH_SUBSECTIONS_VIA_SYMBOLS), f2->flags); EXPECT_TRUE(f2->localSymbols.empty()); EXPECT_TRUE(f2->globalSymbols.empty()); EXPECT_EQ(2UL, f2->undefinedSymbols.size()); const Symbol& barUndef = f2->undefinedSymbols[0]; EXPECT_TRUE(barUndef.name.equals("_bar")); EXPECT_EQ(N_UNDF, barUndef.type); EXPECT_EQ(SymbolScope(N_EXT), barUndef.scope); const Symbol& tbarUndef = f2->undefinedSymbols[1]; EXPECT_TRUE(tbarUndef.name.equals("_tbar")); EXPECT_EQ(N_UNDF, tbarUndef.type); EXPECT_EQ(SymbolScope(N_EXT), tbarUndef.scope); EXPECT_EQ(1UL, f2->sections.size()); const Section& text = f2->sections[0]; EXPECT_TRUE(text.segmentName.equals("__TEXT")); EXPECT_TRUE(text.sectionName.equals("__text")); EXPECT_EQ(S_REGULAR, text.type); EXPECT_EQ(text.attributes,SectionAttr(S_ATTR_PURE_INSTRUCTIONS | S_ATTR_SOME_INSTRUCTIONS)); EXPECT_EQ((uint16_t)text.alignment, 16U); EXPECT_EQ(text.address, Hex64(0x0)); EXPECT_EQ(22UL, text.content.size()); const Relocation& call = text.relocations[0]; EXPECT_EQ(call.offset, Hex32(0x1)); EXPECT_EQ(call.scattered, false); EXPECT_EQ(call.type, GENERIC_RELOC_VANILLA); EXPECT_EQ(call.pcRel, true); EXPECT_EQ(call.length, 2); EXPECT_EQ(call.isExtern, true); EXPECT_EQ(call.symbol, 0U); const Relocation& absLoad = text.relocations[1]; EXPECT_EQ(absLoad.offset, Hex32(0x6)); EXPECT_EQ(absLoad.scattered, false); EXPECT_EQ(absLoad.type, GENERIC_RELOC_VANILLA); EXPECT_EQ(absLoad.pcRel, false); EXPECT_EQ(absLoad.length, 2); EXPECT_EQ(absLoad.isExtern, true); EXPECT_EQ(absLoad.symbol,0U); const Relocation& pic1 = text.relocations[2]; EXPECT_EQ(pic1.offset, Hex32(0xc)); EXPECT_EQ(pic1.scattered, true); EXPECT_EQ(pic1.type, GENERIC_RELOC_LOCAL_SECTDIFF); EXPECT_EQ(pic1.length, 2); EXPECT_EQ(pic1.value, 0U); const Relocation& pic2 = text.relocations[3]; EXPECT_EQ(pic2.offset, Hex32(0x0)); EXPECT_EQ(pic1.scattered, true); EXPECT_EQ(pic2.type, GENERIC_RELOC_PAIR); EXPECT_EQ(pic2.length, 2); EXPECT_EQ(pic2.value, 5U); const Relocation& tlv = text.relocations[4]; EXPECT_EQ(tlv.offset, Hex32(0x12)); EXPECT_EQ(tlv.type, GENERIC_RELOC_TLV); EXPECT_EQ(tlv.length, 2); EXPECT_EQ(tlv.isExtern, true); EXPECT_EQ(tlv.symbol, 1U); //llvm::errs() << "temp = " << tmpFl << "\n"; bufferOwner.reset(nullptr); std::error_code ec = llvm::sys::fs::remove(Twine(tmpFl)); EXPECT_FALSE(ec); } TEST(BinaryWriterTest, obj_relocs_armv7) { SmallString<128> tmpFl; { NormalizedFile f; f.arch = lld::MachOLinkingContext::arch_armv7; f.fileType = MH_OBJECT; f.flags = MH_SUBSECTIONS_VIA_SYMBOLS; f.os = lld::MachOLinkingContext::OS::macOSX; f.sections.resize(1); Section& text = f.sections.front(); text.segmentName = "__TEXT"; text.sectionName = "__text"; text.type = S_REGULAR; text.attributes = SectionAttr(S_ATTR_PURE_INSTRUCTIONS | S_ATTR_SOME_INSTRUCTIONS); text.alignment = 4; text.address = 0; const uint8_t textBytes[] = { 0xff, 0xf7, 0xfe, 0xef, 0x40, 0xf2, 0x05, 0x01, 0xc0, 0xf2, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbf }; text.content = llvm::makeArrayRef(textBytes, sizeof(textBytes)); text.relocations.push_back(makeReloc(0x00, true, true, ARM_THUMB_RELOC_BR22, 2)); text.relocations.push_back(makeScatReloc(0x04, ARM_RELOC_HALF_SECTDIFF, 0x10)); text.relocations.push_back(makeScatReloc(0x00, ARM_RELOC_PAIR, 0xC)); text.relocations.push_back(makeScatReloc(0x08, ARM_RELOC_HALF_SECTDIFF, 0x10)); text.relocations.push_back(makeScatReloc(0x00, ARM_RELOC_PAIR, 0xC)); text.relocations.push_back(makeReloc(0x0C, false, true, ARM_RELOC_VANILLA, 2)); f.globalSymbols.push_back(makeThumbSymbol("_foo", 0x00)); f.globalSymbols.push_back(makeThumbSymbol("_foo2", 0x10)); f.undefinedSymbols.push_back(makeUndefSymbol("_bar")); std::error_code ec = llvm::sys::fs::createTemporaryFile(Twine("xx"), "o", tmpFl); EXPECT_FALSE(ec); llvm::Error ec2 = writeBinary(f, tmpFl); EXPECT_FALSE(ec2); } std::unique_ptr bufferOwner; std::unique_ptr f2; fromBinary(tmpFl, bufferOwner, f2, "armv7"); EXPECT_EQ(lld::MachOLinkingContext::arch_armv7, f2->arch); EXPECT_EQ(MH_OBJECT, f2->fileType); EXPECT_EQ(FileFlags(MH_SUBSECTIONS_VIA_SYMBOLS), f2->flags); EXPECT_TRUE(f2->localSymbols.empty()); EXPECT_EQ(2UL, f2->globalSymbols.size()); const Symbol& fooDef = f2->globalSymbols[0]; EXPECT_TRUE(fooDef.name.equals("_foo")); EXPECT_EQ(N_SECT, fooDef.type); EXPECT_EQ(1, fooDef.sect); EXPECT_EQ(SymbolScope(N_EXT), fooDef.scope); const Symbol& foo2Def = f2->globalSymbols[1]; EXPECT_TRUE(foo2Def.name.equals("_foo2")); EXPECT_EQ(N_SECT, foo2Def.type); EXPECT_EQ(1, foo2Def.sect); EXPECT_EQ(SymbolScope(N_EXT), foo2Def.scope); EXPECT_EQ(1UL, f2->undefinedSymbols.size()); const Symbol& barUndef = f2->undefinedSymbols[0]; EXPECT_TRUE(barUndef.name.equals("_bar")); EXPECT_EQ(N_UNDF, barUndef.type); EXPECT_EQ(SymbolScope(N_EXT), barUndef.scope); EXPECT_EQ(1UL, f2->sections.size()); const Section& text = f2->sections[0]; EXPECT_TRUE(text.segmentName.equals("__TEXT")); EXPECT_TRUE(text.sectionName.equals("__text")); EXPECT_EQ(S_REGULAR, text.type); EXPECT_EQ(text.attributes,SectionAttr(S_ATTR_PURE_INSTRUCTIONS | S_ATTR_SOME_INSTRUCTIONS)); EXPECT_EQ((uint16_t)text.alignment, 4U); EXPECT_EQ(text.address, Hex64(0x0)); EXPECT_EQ(18UL, text.content.size()); const Relocation& blx = text.relocations[0]; EXPECT_EQ(blx.offset, Hex32(0x0)); EXPECT_EQ(blx.scattered, false); EXPECT_EQ(blx.type, ARM_THUMB_RELOC_BR22); EXPECT_EQ(blx.pcRel, true); EXPECT_EQ(blx.length, 2); EXPECT_EQ(blx.isExtern, true); EXPECT_EQ(blx.symbol, 2U); const Relocation& movw1 = text.relocations[1]; EXPECT_EQ(movw1.offset, Hex32(0x4)); EXPECT_EQ(movw1.scattered, true); EXPECT_EQ(movw1.type, ARM_RELOC_HALF_SECTDIFF); EXPECT_EQ(movw1.length, 2); EXPECT_EQ(movw1.value, 0x10U); const Relocation& movw2 = text.relocations[2]; EXPECT_EQ(movw2.offset, Hex32(0x0)); EXPECT_EQ(movw2.scattered, true); EXPECT_EQ(movw2.type, ARM_RELOC_PAIR); EXPECT_EQ(movw2.length, 2); EXPECT_EQ(movw2.value, Hex32(0xC)); const Relocation& movt1 = text.relocations[3]; EXPECT_EQ(movt1.offset, Hex32(0x8)); EXPECT_EQ(movt1.scattered, true); EXPECT_EQ(movt1.type, ARM_RELOC_HALF_SECTDIFF); EXPECT_EQ(movt1.length, 2); EXPECT_EQ(movt1.value, Hex32(0x10)); const Relocation& movt2 = text.relocations[4]; EXPECT_EQ(movt2.offset, Hex32(0x0)); EXPECT_EQ(movt2.scattered, true); EXPECT_EQ(movt2.type, ARM_RELOC_PAIR); EXPECT_EQ(movt2.length, 2); EXPECT_EQ(movt2.value, Hex32(0xC)); const Relocation& absPointer = text.relocations[5]; EXPECT_EQ(absPointer.offset, Hex32(0xC)); EXPECT_EQ(absPointer.type, ARM_RELOC_VANILLA); EXPECT_EQ(absPointer.length, 2); EXPECT_EQ(absPointer.isExtern, true); EXPECT_EQ(absPointer.symbol, 2U); //llvm::errs() << "temp = " << tmpFl << "\n"; bufferOwner.reset(nullptr); std::error_code ec = llvm::sys::fs::remove(Twine(tmpFl)); EXPECT_FALSE(ec); } TEST(BinaryWriterTest, obj_relocs_ppc) { SmallString<128> tmpFl; { NormalizedFile f; f.arch = lld::MachOLinkingContext::arch_ppc; f.fileType = MH_OBJECT; f.flags = MH_SUBSECTIONS_VIA_SYMBOLS; f.os = lld::MachOLinkingContext::OS::macOSX; f.sections.resize(1); Section& text = f.sections.front(); text.segmentName = "__TEXT"; text.sectionName = "__text"; text.type = S_REGULAR; text.attributes = SectionAttr(S_ATTR_PURE_INSTRUCTIONS | S_ATTR_SOME_INSTRUCTIONS); text.alignment = 4; text.address = 0; const uint8_t textBytes[] = { 0x48, 0x00, 0x00, 0x01, 0x40, 0x82, 0xff, 0xfc, 0x3c, 0x62, 0x00, 0x00, 0x3c, 0x62, 0x00, 0x00, 0x80, 0x63, 0x00, 0x24, 0x80, 0x63, 0x00, 0x24, 0x3c, 0x40, 0x00, 0x00, 0x3c, 0x60, 0x00, 0x00, 0x80, 0x42, 0x00, 0x28, 0x80, 0x63, 0x00, 0x28, 0x60, 0x00, 0x00, 0x00 }; text.content = llvm::makeArrayRef(textBytes, sizeof(textBytes)); text.relocations.push_back(makeReloc(0x00, true, true, PPC_RELOC_BR24, 2)); text.relocations.push_back(makeReloc(0x04, true, true, PPC_RELOC_BR14, 2)); text.relocations.push_back(makeScatReloc(0x08, PPC_RELOC_HI16_SECTDIFF, 0x28)); text.relocations.push_back(makeScatReloc(0x24, PPC_RELOC_PAIR, 0x4)); text.relocations.push_back(makeScatReloc(0x0C, PPC_RELOC_HA16_SECTDIFF, 0x28)); text.relocations.push_back(makeScatReloc(0x24, PPC_RELOC_PAIR, 0x4)); text.relocations.push_back(makeScatReloc(0x10, PPC_RELOC_LO16_SECTDIFF, 0x28)); text.relocations.push_back(makeScatReloc(0x00, PPC_RELOC_PAIR, 0x4)); text.relocations.push_back(makeScatReloc(0x14, PPC_RELOC_LO14_SECTDIFF, 0x28)); text.relocations.push_back(makeScatReloc(0x00, PPC_RELOC_PAIR, 0x4)); text.relocations.push_back(makeReloc(0x18, false, false, PPC_RELOC_HI16, 1)); text.relocations.push_back(makeReloc(0x28, false, false, PPC_RELOC_PAIR, 0)); text.relocations.push_back(makeReloc(0x1C, false, false, PPC_RELOC_HA16, 1)); text.relocations.push_back(makeReloc(0x28, false, false, PPC_RELOC_PAIR, 0)); text.relocations.push_back(makeReloc(0x20, false, false, PPC_RELOC_LO16, 1)); text.relocations.push_back(makeReloc(0x00, false, false, PPC_RELOC_PAIR, 0)); text.relocations.push_back(makeReloc(0x24, false, false, PPC_RELOC_LO14, 1)); text.relocations.push_back(makeReloc(0x00, false, false, PPC_RELOC_PAIR, 0)); f.globalSymbols.push_back(makeSymbol("_foo", 0x00)); f.globalSymbols.push_back(makeSymbol("_foo2", 0x28)); f.undefinedSymbols.push_back(makeUndefSymbol("_bar")); std::error_code ec = llvm::sys::fs::createTemporaryFile(Twine("xx"), "o", tmpFl); EXPECT_FALSE(ec); llvm::Error ec2 = writeBinary(f, tmpFl); EXPECT_FALSE(ec2); } std::unique_ptr bufferOwner; std::unique_ptr f2; fromBinary(tmpFl, bufferOwner, f2, "ppc"); EXPECT_EQ(lld::MachOLinkingContext::arch_ppc, f2->arch); EXPECT_EQ(MH_OBJECT, f2->fileType); EXPECT_EQ(FileFlags(MH_SUBSECTIONS_VIA_SYMBOLS), f2->flags); EXPECT_TRUE(f2->localSymbols.empty()); EXPECT_EQ(2UL, f2->globalSymbols.size()); const Symbol& fooDef = f2->globalSymbols[0]; EXPECT_TRUE(fooDef.name.equals("_foo")); EXPECT_EQ(N_SECT, fooDef.type); EXPECT_EQ(1, fooDef.sect); EXPECT_EQ(SymbolScope(N_EXT), fooDef.scope); const Symbol& foo2Def = f2->globalSymbols[1]; EXPECT_TRUE(foo2Def.name.equals("_foo2")); EXPECT_EQ(N_SECT, foo2Def.type); EXPECT_EQ(1, foo2Def.sect); EXPECT_EQ(SymbolScope(N_EXT), foo2Def.scope); EXPECT_EQ(1UL, f2->undefinedSymbols.size()); const Symbol& barUndef = f2->undefinedSymbols[0]; EXPECT_TRUE(barUndef.name.equals("_bar")); EXPECT_EQ(N_UNDF, barUndef.type); EXPECT_EQ(SymbolScope(N_EXT), barUndef.scope); EXPECT_EQ(1UL, f2->sections.size()); const Section& text = f2->sections[0]; EXPECT_TRUE(text.segmentName.equals("__TEXT")); EXPECT_TRUE(text.sectionName.equals("__text")); EXPECT_EQ(S_REGULAR, text.type); EXPECT_EQ(text.attributes,SectionAttr(S_ATTR_PURE_INSTRUCTIONS | S_ATTR_SOME_INSTRUCTIONS)); EXPECT_EQ((uint16_t)text.alignment, 4U); EXPECT_EQ(text.address, Hex64(0x0)); EXPECT_EQ(44UL, text.content.size()); const Relocation& br24 = text.relocations[0]; EXPECT_EQ(br24.offset, Hex32(0x0)); EXPECT_EQ(br24.scattered, false); EXPECT_EQ(br24.type, PPC_RELOC_BR24); EXPECT_EQ(br24.pcRel, true); EXPECT_EQ(br24.length, 2); EXPECT_EQ(br24.isExtern, true); EXPECT_EQ(br24.symbol, 2U); const Relocation& br14 = text.relocations[1]; EXPECT_EQ(br14.offset, Hex32(0x4)); EXPECT_EQ(br14.scattered, false); EXPECT_EQ(br14.type, PPC_RELOC_BR14); EXPECT_EQ(br14.pcRel, true); EXPECT_EQ(br14.length, 2); EXPECT_EQ(br14.isExtern, true); EXPECT_EQ(br14.symbol, 2U); const Relocation& pichi1 = text.relocations[2]; EXPECT_EQ(pichi1.offset, Hex32(0x8)); EXPECT_EQ(pichi1.scattered, true); EXPECT_EQ(pichi1.type, PPC_RELOC_HI16_SECTDIFF); EXPECT_EQ(pichi1.length, 2); EXPECT_EQ(pichi1.value, 0x28U); const Relocation& pichi2 = text.relocations[3]; EXPECT_EQ(pichi2.offset, Hex32(0x24)); EXPECT_EQ(pichi2.scattered, true); EXPECT_EQ(pichi2.type, PPC_RELOC_PAIR); EXPECT_EQ(pichi2.length, 2); EXPECT_EQ(pichi2.value, 0x4U); const Relocation& picha1 = text.relocations[4]; EXPECT_EQ(picha1.offset, Hex32(0xC)); EXPECT_EQ(picha1.scattered, true); EXPECT_EQ(picha1.type, PPC_RELOC_HA16_SECTDIFF); EXPECT_EQ(picha1.length, 2); EXPECT_EQ(picha1.value, 0x28U); const Relocation& picha2 = text.relocations[5]; EXPECT_EQ(picha2.offset, Hex32(0x24)); EXPECT_EQ(picha2.scattered, true); EXPECT_EQ(picha2.type, PPC_RELOC_PAIR); EXPECT_EQ(picha2.length, 2); EXPECT_EQ(picha2.value, 0x4U); const Relocation& piclo1 = text.relocations[6]; EXPECT_EQ(piclo1.offset, Hex32(0x10)); EXPECT_EQ(piclo1.scattered, true); EXPECT_EQ(piclo1.type, PPC_RELOC_LO16_SECTDIFF); EXPECT_EQ(piclo1.length, 2); EXPECT_EQ(piclo1.value, 0x28U); const Relocation& piclo2 = text.relocations[7]; EXPECT_EQ(piclo2.offset, Hex32(0x0)); EXPECT_EQ(piclo2.scattered, true); EXPECT_EQ(piclo2.type, PPC_RELOC_PAIR); EXPECT_EQ(piclo2.length, 2); EXPECT_EQ(piclo2.value, 0x4U); const Relocation& picloa1 = text.relocations[8]; EXPECT_EQ(picloa1.offset, Hex32(0x14)); EXPECT_EQ(picloa1.scattered, true); EXPECT_EQ(picloa1.type, PPC_RELOC_LO14_SECTDIFF); EXPECT_EQ(picloa1.length, 2); EXPECT_EQ(picloa1.value, 0x28U); const Relocation& picloa2 = text.relocations[9]; EXPECT_EQ(picloa2.offset, Hex32(0x0)); EXPECT_EQ(picloa2.scattered, true); EXPECT_EQ(picloa2.type, PPC_RELOC_PAIR); EXPECT_EQ(picloa2.length, 2); EXPECT_EQ(picloa2.value, 0x4U); const Relocation& abshi1 = text.relocations[10]; EXPECT_EQ(abshi1.offset, Hex32(0x18)); EXPECT_EQ(abshi1.scattered, false); EXPECT_EQ(abshi1.type, PPC_RELOC_HI16); EXPECT_EQ(abshi1.length, 2); EXPECT_EQ(abshi1.symbol, 1U); const Relocation& abshi2 = text.relocations[11]; EXPECT_EQ(abshi2.offset, Hex32(0x28)); EXPECT_EQ(abshi2.scattered, false); EXPECT_EQ(abshi2.type, PPC_RELOC_PAIR); EXPECT_EQ(abshi2.length, 2); EXPECT_EQ(abshi2.symbol, 0U); const Relocation& absha1 = text.relocations[12]; EXPECT_EQ(absha1.offset, Hex32(0x1C)); EXPECT_EQ(absha1.scattered, false); EXPECT_EQ(absha1.type, PPC_RELOC_HA16); EXPECT_EQ(absha1.length, 2); EXPECT_EQ(absha1.symbol, 1U); const Relocation& absha2 = text.relocations[13]; EXPECT_EQ(absha2.offset, Hex32(0x28)); EXPECT_EQ(absha2.scattered, false); EXPECT_EQ(absha2.type, PPC_RELOC_PAIR); EXPECT_EQ(absha2.length, 2); EXPECT_EQ(absha2.symbol, 0U); const Relocation& abslo1 = text.relocations[14]; EXPECT_EQ(abslo1.offset, Hex32(0x20)); EXPECT_EQ(abslo1.scattered, false); EXPECT_EQ(abslo1.type, PPC_RELOC_LO16); EXPECT_EQ(abslo1.length, 2); EXPECT_EQ(abslo1.symbol, 1U); const Relocation& abslo2 = text.relocations[15]; EXPECT_EQ(abslo2.offset, Hex32(0x00)); EXPECT_EQ(abslo2.scattered, false); EXPECT_EQ(abslo2.type, PPC_RELOC_PAIR); EXPECT_EQ(abslo2.length, 2); EXPECT_EQ(abslo2.symbol, 0U); const Relocation& absloa1 = text.relocations[16]; EXPECT_EQ(absloa1.offset, Hex32(0x24)); EXPECT_EQ(absloa1.scattered, false); EXPECT_EQ(absloa1.type, PPC_RELOC_LO14); EXPECT_EQ(absloa1.length, 2); EXPECT_EQ(absloa1.symbol, 1U); const Relocation& absloa2 = text.relocations[17]; EXPECT_EQ(absloa2.offset, Hex32(0x00)); EXPECT_EQ(absloa2.scattered, false); EXPECT_EQ(absloa2.type, PPC_RELOC_PAIR); EXPECT_EQ(absloa2.length, 2); EXPECT_EQ(absloa2.symbol, 0U); bufferOwner.reset(nullptr); std::error_code ec = llvm::sys::fs::remove(Twine(tmpFl)); EXPECT_FALSE(ec); }