diff options
Diffstat (limited to 'lld/unittests')
3 files changed, 1401 insertions, 0 deletions
diff --git a/lld/unittests/MachOTests/CMakeLists.txt b/lld/unittests/MachOTests/CMakeLists.txt index e0748eb6424..e95d261ff7c 100644 --- a/lld/unittests/MachOTests/CMakeLists.txt +++ b/lld/unittests/MachOTests/CMakeLists.txt @@ -1,5 +1,7 @@ add_lld_unittest(lldMachOTests + MachONormalizedFileBinaryReaderTests.cpp + MachONormalizedFileBinaryWriterTests.cpp MachONormalizedFileYAMLTests.cpp ) diff --git a/lld/unittests/MachOTests/MachONormalizedFileBinaryReaderTests.cpp b/lld/unittests/MachOTests/MachONormalizedFileBinaryReaderTests.cpp new file mode 100644 index 00000000000..e24bb1fc013 --- /dev/null +++ b/lld/unittests/MachOTests/MachONormalizedFileBinaryReaderTests.cpp @@ -0,0 +1,714 @@ +//===- lld/unittest/MachOTests/MachONormalizedFileBinaryReaderTests.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 <llvm/Support/MachO.h> +#include "../../lib/ReaderWriter/MachO/MachONormalizedFile.h" + +#include <assert.h> +#include <vector> + +using llvm::StringRef; +using llvm::MemoryBuffer; +using llvm::ErrorOr; + +using namespace lld::mach_o::normalized; +using namespace llvm::MachO; + +static std::unique_ptr<NormalizedFile> +fromBinary(const uint8_t bytes[], unsigned length) { + + StringRef sr((const char*)bytes, length); + std::unique_ptr<MemoryBuffer> mb(MemoryBuffer::getMemBuffer(sr, "", false)); + ErrorOr<std::unique_ptr<NormalizedFile>> r + = lld::mach_o::normalized::readBinary(mb); + EXPECT_FALSE(!r); + return std::move(*r); +} + + +TEST(BinaryReaderTest, empty_obj_x86_64) { + const uint8_t fileBytes[] = { + 0xcf, 0xfa, 0xed, 0xfe, 0x07, 0x00, 0x00, 0x01, + 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x98, 0x00, 0x00, 0x00, + 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x19, 0x00, 0x00, 0x00, 0x98, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xb8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x07, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x5f, 0x5f, 0x74, 0x65, 0x78, 0x74, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x5f, 0x5f, 0x54, 0x45, 0x58, 0x54, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xb8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; + std::unique_ptr<NormalizedFile> f = fromBinary(fileBytes, sizeof(fileBytes)); + EXPECT_EQ(f->arch, lld::MachOLinkingContext::arch_x86_64); + EXPECT_EQ((int)(f->fileType), MH_OBJECT); + EXPECT_EQ((int)(f->flags), MH_SUBSECTIONS_VIA_SYMBOLS); + EXPECT_TRUE(f->localSymbols.empty()); + EXPECT_TRUE(f->globalSymbols.empty()); + EXPECT_TRUE(f->undefinedSymbols.empty()); +} + + +TEST(BinaryReaderTest, empty_obj_x86) { + const uint8_t fileBytes[] = { + 0xce, 0xfa, 0xed, 0xfe, 0x07, 0x00, 0x00, 0x00, + 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x7c, 0x00, 0x00, 0x00, + 0x00, 0x20, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x98, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, + 0x07, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x5f, 0x5f, 0x74, 0x65, + 0x78, 0x74, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x5f, 0x5f, 0x54, 0x45, + 0x58, 0x54, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x98, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; + std::unique_ptr<NormalizedFile> f = fromBinary(fileBytes, sizeof(fileBytes)); + EXPECT_EQ(f->arch, lld::MachOLinkingContext::arch_x86); + EXPECT_EQ((int)(f->fileType), MH_OBJECT); + EXPECT_EQ((int)(f->flags), MH_SUBSECTIONS_VIA_SYMBOLS); + EXPECT_TRUE(f->localSymbols.empty()); + EXPECT_TRUE(f->globalSymbols.empty()); + EXPECT_TRUE(f->undefinedSymbols.empty()); +} + + +TEST(BinaryReaderTest, empty_obj_ppc) { + const uint8_t fileBytes[] = { + 0xfe, 0xed, 0xfa, 0xce, 0x00, 0x00, 0x00, 0x12, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, + 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x7c, + 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x01, + 0x00, 0x00, 0x00, 0x7c, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x98, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, + 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x01, + 0x00, 0x00, 0x00, 0x00, 0x5f, 0x5f, 0x74, 0x65, + 0x78, 0x74, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x5f, 0x5f, 0x54, 0x45, + 0x58, 0x54, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x98, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; + std::unique_ptr<NormalizedFile> f = fromBinary(fileBytes, sizeof(fileBytes)); + EXPECT_EQ(f->arch, lld::MachOLinkingContext::arch_ppc); + EXPECT_EQ((int)(f->fileType), MH_OBJECT); + EXPECT_EQ((int)(f->flags), MH_SUBSECTIONS_VIA_SYMBOLS); + EXPECT_TRUE(f->localSymbols.empty()); + EXPECT_TRUE(f->globalSymbols.empty()); + EXPECT_TRUE(f->undefinedSymbols.empty()); +} + + +TEST(BinaryReaderTest, empty_obj_armv7) { + const uint8_t fileBytes[] = { + 0xce, 0xfa, 0xed, 0xfe, 0x0c, 0x00, 0x00, 0x00, + 0x09, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x7c, 0x00, 0x00, 0x00, + 0x00, 0x20, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x98, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, + 0x07, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x5f, 0x5f, 0x74, 0x65, + 0x78, 0x74, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x5f, 0x5f, 0x54, 0x45, + 0x58, 0x54, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x98, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; + std::unique_ptr<NormalizedFile> f = fromBinary(fileBytes, sizeof(fileBytes)); + EXPECT_EQ(f->arch, lld::MachOLinkingContext::arch_armv7); + EXPECT_EQ((int)(f->fileType), MH_OBJECT); + EXPECT_EQ((int)(f->flags), MH_SUBSECTIONS_VIA_SYMBOLS); + EXPECT_TRUE(f->localSymbols.empty()); + EXPECT_TRUE(f->globalSymbols.empty()); + EXPECT_TRUE(f->undefinedSymbols.empty()); +} + + + +TEST(BinaryReaderTest, hello_obj_x86_64) { + const uint8_t fileBytes[] = { + 0xCF, 0xFA, 0xED, 0xFE, 0x07, 0x00, 0x00, 0x01, + 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x03, 0x00, 0x00, 0x00, 0x50, 0x01, 0x00, 0x00, + 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x19, 0x00, 0x00, 0x00, 0xE8, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x34, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x70, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x34, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x07, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, + 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x5F, 0x5F, 0x74, 0x65, 0x78, 0x74, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x5F, 0x5F, 0x54, 0x45, 0x58, 0x54, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x2D, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x70, 0x01, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, + 0xA4, 0x01, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, + 0x00, 0x04, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x5F, 0x5F, 0x63, 0x73, 0x74, 0x72, 0x69, 0x6E, + 0x67, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x5F, 0x5F, 0x54, 0x45, 0x58, 0x54, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x2D, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x9D, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x02, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, + 0xB4, 0x01, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, + 0xE4, 0x01, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, + 0x0B, 0x00, 0x00, 0x00, 0x50, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x55, 0x48, 0x89, 0xE5, 0x48, 0x83, 0xEC, 0x10, + 0x48, 0x8D, 0x3D, 0x00, 0x00, 0x00, 0x00, 0xC7, + 0x45, 0xFC, 0x00, 0x00, 0x00, 0x00, 0xB0, 0x00, + 0xE8, 0x00, 0x00, 0x00, 0x00, 0xB9, 0x00, 0x00, + 0x00, 0x00, 0x89, 0x45, 0xF8, 0x89, 0xC8, 0x48, + 0x83, 0xC4, 0x10, 0x5D, 0xC3, 0x68, 0x65, 0x6C, + 0x6C, 0x6F, 0x0A, 0x00, 0x19, 0x00, 0x00, 0x00, + 0x02, 0x00, 0x00, 0x2D, 0x0B, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x1D, 0x0F, 0x00, 0x00, 0x00, + 0x0E, 0x02, 0x00, 0x00, 0x2D, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x0F, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x5F, 0x6D, 0x61, + 0x69, 0x6E, 0x00, 0x5F, 0x70, 0x72, 0x69, 0x6E, + 0x74, 0x66, 0x00, 0x4C, 0x5F, 0x2E, 0x73, 0x74, + 0x72, 0x00, 0x00, 0x00 }; + std::unique_ptr<NormalizedFile> f = fromBinary(fileBytes, sizeof(fileBytes)); + + EXPECT_EQ(f->arch, lld::MachOLinkingContext::arch_x86_64); + EXPECT_EQ((int)(f->fileType), MH_OBJECT); + EXPECT_EQ((int)(f->flags), MH_SUBSECTIONS_VIA_SYMBOLS); + EXPECT_EQ(f->sections.size(), 2UL); + const Section& text = f->sections[0]; + EXPECT_TRUE(text.segmentName.equals("__TEXT")); + EXPECT_TRUE(text.sectionName.equals("__text")); + EXPECT_EQ(text.type, S_REGULAR); + EXPECT_EQ(text.attributes,SectionAttr(S_ATTR_PURE_INSTRUCTIONS + | S_ATTR_SOME_INSTRUCTIONS)); + EXPECT_EQ(text.alignment, 4U); + EXPECT_EQ(text.address, 0x0ULL); + EXPECT_EQ(text.content.size(), 45UL); + EXPECT_EQ((int)(text.content[0]), 0x55); + EXPECT_EQ((int)(text.content[1]), 0x48); + EXPECT_TRUE(text.indirectSymbols.empty()); + EXPECT_EQ(text.relocations.size(), 2UL); + const Relocation& call = text.relocations[0]; + EXPECT_EQ(call.offset, Hex32(0x19)); + EXPECT_EQ(call.type, X86_64_RELOC_BRANCH); + EXPECT_EQ(call.length, 2); + EXPECT_EQ(call.isExtern, true); + EXPECT_EQ(call.symbol, 2U); + const Relocation& str = text.relocations[1]; + EXPECT_EQ(str.offset, Hex32(0xB)); + EXPECT_EQ(str.type, X86_64_RELOC_SIGNED); + EXPECT_EQ(str.length, 2); + EXPECT_EQ(str.isExtern, true); + EXPECT_EQ(str.symbol, 0U); + + const Section& cstring = f->sections[1]; + EXPECT_TRUE(cstring.segmentName.equals("__TEXT")); + EXPECT_TRUE(cstring.sectionName.equals("__cstring")); + EXPECT_EQ(cstring.type, S_CSTRING_LITERALS); + EXPECT_EQ(cstring.attributes, SectionAttr(0)); + EXPECT_EQ(cstring.alignment, 0U); + EXPECT_EQ(cstring.address, 0x02DULL); + EXPECT_EQ(cstring.content.size(), 7UL); + EXPECT_EQ((int)(cstring.content[0]), 0x68); + EXPECT_EQ((int)(cstring.content[1]), 0x65); + EXPECT_EQ((int)(cstring.content[2]), 0x6c); + EXPECT_TRUE(cstring.indirectSymbols.empty()); + EXPECT_TRUE(cstring.relocations.empty()); + + EXPECT_EQ(f->localSymbols.size(), 1UL); + const Symbol& strLabel = f->localSymbols[0]; + EXPECT_EQ(strLabel.type, N_SECT); + EXPECT_EQ(strLabel.sect, 2); + EXPECT_EQ(strLabel.value, Hex64(0x2D)); + EXPECT_EQ(f->globalSymbols.size(), 1UL); + const Symbol& mainLabel = f->globalSymbols[0]; + EXPECT_TRUE(mainLabel.name.equals("_main")); + EXPECT_EQ(mainLabel.type, N_SECT); + EXPECT_EQ(mainLabel.sect, 1); + EXPECT_EQ(mainLabel.scope, SymbolScope(N_EXT)); + EXPECT_EQ(mainLabel.value, Hex64(0x0)); + EXPECT_EQ(f->undefinedSymbols.size(), 1UL); + const Symbol& printfLabel = f->undefinedSymbols[0]; + EXPECT_TRUE(printfLabel.name.equals("_printf")); + EXPECT_EQ(printfLabel.type, N_UNDF); + EXPECT_EQ(printfLabel.scope, SymbolScope(N_EXT)); +} + + +TEST(BinaryReaderTest, hello_obj_x86) { + const uint8_t fileBytes[] = { + 0xCE, 0xFA, 0xED, 0xFE, 0x07, 0x00, 0x00, 0x00, + 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x03, 0x00, 0x00, 0x00, 0x28, 0x01, 0x00, 0x00, + 0x00, 0x20, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x37, 0x00, 0x00, 0x00, 0x44, 0x01, 0x00, 0x00, + 0x37, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, + 0x07, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x5F, 0x5F, 0x74, 0x65, + 0x78, 0x74, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x5F, 0x5F, 0x54, 0x45, + 0x58, 0x54, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x30, 0x00, 0x00, 0x00, 0x44, 0x01, 0x00, 0x00, + 0x04, 0x00, 0x00, 0x00, 0x7C, 0x01, 0x00, 0x00, + 0x03, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x80, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x5F, 0x5F, 0x63, 0x73, 0x74, 0x72, 0x69, 0x6E, + 0x67, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x5F, 0x5F, 0x54, 0x45, 0x58, 0x54, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x30, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, + 0x74, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, + 0x18, 0x00, 0x00, 0x00, 0x94, 0x01, 0x00, 0x00, + 0x02, 0x00, 0x00, 0x00, 0xAC, 0x01, 0x00, 0x00, + 0x10, 0x00, 0x00, 0x00, 0x0B, 0x00, 0x00, 0x00, + 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x55, 0x89, 0xE5, 0x83, + 0xEC, 0x18, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x58, + 0x8D, 0x80, 0x25, 0x00, 0x00, 0x00, 0xC7, 0x45, + 0xFC, 0x00, 0x00, 0x00, 0x00, 0x89, 0x04, 0x24, + 0xE8, 0xDF, 0xFF, 0xFF, 0xFF, 0xB9, 0x00, 0x00, + 0x00, 0x00, 0x89, 0x45, 0xF8, 0x89, 0xC8, 0x83, + 0xC4, 0x18, 0x5D, 0xC3, 0x68, 0x65, 0x6C, 0x6C, + 0x6F, 0x0A, 0x00, 0x00, 0x1D, 0x00, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x0D, 0x0E, 0x00, 0x00, 0xA4, + 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xA1, + 0x0B, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x0F, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x07, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x5F, 0x6D, 0x61, + 0x69, 0x6E, 0x00, 0x5F, 0x70, 0x72, 0x69, 0x6E, + 0x74, 0x66, 0x00, 0x00 + }; + std::unique_ptr<NormalizedFile> f = fromBinary(fileBytes, sizeof(fileBytes)); + + EXPECT_EQ(f->arch, lld::MachOLinkingContext::arch_x86); + EXPECT_EQ((int)(f->fileType), MH_OBJECT); + EXPECT_EQ((int)(f->flags), MH_SUBSECTIONS_VIA_SYMBOLS); + EXPECT_EQ(f->sections.size(), 2UL); + const Section& text = f->sections[0]; + EXPECT_TRUE(text.segmentName.equals("__TEXT")); + EXPECT_TRUE(text.sectionName.equals("__text")); + EXPECT_EQ(text.type, S_REGULAR); + EXPECT_EQ(text.attributes,SectionAttr(S_ATTR_PURE_INSTRUCTIONS + | S_ATTR_SOME_INSTRUCTIONS)); + EXPECT_EQ(text.alignment, 4U); + EXPECT_EQ(text.address, 0x0ULL); + EXPECT_EQ(text.content.size(), 48UL); + EXPECT_EQ((int)(text.content[0]), 0x55); + EXPECT_EQ((int)(text.content[1]), 0x89); + EXPECT_TRUE(text.indirectSymbols.empty()); + EXPECT_EQ(text.relocations.size(), 3UL); + const Relocation& call = text.relocations[0]; + EXPECT_EQ(call.offset, Hex32(0x1D)); + 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, 1U); + const Relocation& sectDiff = text.relocations[1]; + EXPECT_EQ(sectDiff.offset, Hex32(0xE)); + EXPECT_EQ(sectDiff.scattered, true); + EXPECT_EQ(sectDiff.type, GENERIC_RELOC_LOCAL_SECTDIFF); + EXPECT_EQ(sectDiff.pcRel, false); + EXPECT_EQ(sectDiff.length, 2); + EXPECT_EQ(sectDiff.value, 0x30U); + const Relocation& pair = text.relocations[2]; + EXPECT_EQ(pair.offset, Hex32(0x0)); + EXPECT_EQ(pair.scattered, true); + EXPECT_EQ(pair.type, GENERIC_RELOC_PAIR); + EXPECT_EQ(pair.pcRel, false); + EXPECT_EQ(pair.length, 2); + EXPECT_EQ(pair.value, 0x0BU); + + const Section& cstring = f->sections[1]; + EXPECT_TRUE(cstring.segmentName.equals("__TEXT")); + EXPECT_TRUE(cstring.sectionName.equals("__cstring")); + EXPECT_EQ(cstring.type, S_CSTRING_LITERALS); + EXPECT_EQ(cstring.attributes, SectionAttr(0)); + EXPECT_EQ(cstring.alignment, 0U); + EXPECT_EQ(cstring.address, 0x030ULL); + EXPECT_EQ(cstring.content.size(), 7UL); + EXPECT_EQ((int)(cstring.content[0]), 0x68); + EXPECT_EQ((int)(cstring.content[1]), 0x65); + EXPECT_EQ((int)(cstring.content[2]), 0x6c); + EXPECT_TRUE(cstring.indirectSymbols.empty()); + EXPECT_TRUE(cstring.relocations.empty()); + + EXPECT_EQ(f->localSymbols.size(), 0UL); + EXPECT_EQ(f->globalSymbols.size(), 1UL); + const Symbol& mainLabel = f->globalSymbols[0]; + EXPECT_TRUE(mainLabel.name.equals("_main")); + EXPECT_EQ(mainLabel.type, N_SECT); + EXPECT_EQ(mainLabel.sect, 1); + EXPECT_EQ(mainLabel.scope, SymbolScope(N_EXT)); + EXPECT_EQ(mainLabel.value, Hex64(0x0)); + EXPECT_EQ(f->undefinedSymbols.size(), 1UL); + const Symbol& printfLabel = f->undefinedSymbols[0]; + EXPECT_TRUE(printfLabel.name.equals("_printf")); + EXPECT_EQ(printfLabel.type, N_UNDF); + EXPECT_EQ(printfLabel.scope, SymbolScope(N_EXT)); +} + + +TEST(BinaryReaderTest, hello_obj_armv7) { + const uint8_t fileBytes[] = { + 0xCE, 0xFA, 0xED, 0xFE, 0x0C, 0x00, 0x00, 0x00, + 0x09, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x03, 0x00, 0x00, 0x00, 0x28, 0x01, 0x00, 0x00, + 0x00, 0x20, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x31, 0x00, 0x00, 0x00, 0x44, 0x01, 0x00, 0x00, + 0x31, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, + 0x07, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x5F, 0x5F, 0x74, 0x65, + 0x78, 0x74, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x5F, 0x5F, 0x54, 0x45, + 0x58, 0x54, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x2A, 0x00, 0x00, 0x00, 0x44, 0x01, 0x00, 0x00, + 0x02, 0x00, 0x00, 0x00, 0x78, 0x01, 0x00, 0x00, + 0x05, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x80, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x5F, 0x5F, 0x63, 0x73, 0x74, 0x72, 0x69, 0x6E, + 0x67, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x5F, 0x5F, 0x54, 0x45, 0x58, 0x54, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x2A, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, + 0x6E, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, + 0x18, 0x00, 0x00, 0x00, 0xA0, 0x01, 0x00, 0x00, + 0x02, 0x00, 0x00, 0x00, 0xB8, 0x01, 0x00, 0x00, + 0x10, 0x00, 0x00, 0x00, 0x0B, 0x00, 0x00, 0x00, + 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x80, 0xB5, 0x6F, 0x46, + 0x82, 0xB0, 0x40, 0xF2, 0x18, 0x00, 0xC0, 0xF2, + 0x00, 0x00, 0x78, 0x44, 0x00, 0x21, 0xC0, 0xF2, + 0x00, 0x01, 0x01, 0x91, 0xFF, 0xF7, 0xF2, 0xFF, + 0x00, 0x21, 0xC0, 0xF2, 0x00, 0x01, 0x00, 0x90, + 0x08, 0x46, 0x02, 0xB0, 0x80, 0xBD, 0x68, 0x65, + 0x6C, 0x6C, 0x6F, 0x0A, 0x00, 0x00, 0x00, 0x00, + 0x18, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x6D, + 0x0A, 0x00, 0x00, 0xB9, 0x2A, 0x00, 0x00, 0x00, + 0x18, 0x00, 0x00, 0xB1, 0x0E, 0x00, 0x00, 0x00, + 0x06, 0x00, 0x00, 0xA9, 0x2A, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0xA1, 0x0E, 0x00, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x0F, 0x01, 0x08, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x5F, 0x6D, 0x61, 0x69, 0x6E, 0x00, 0x5F, + 0x70, 0x72, 0x69, 0x6E, 0x74, 0x66, 0x00, 0x00 + }; + std::unique_ptr<NormalizedFile> f = fromBinary(fileBytes, sizeof(fileBytes)); + + EXPECT_EQ(f->arch, lld::MachOLinkingContext::arch_armv7); + EXPECT_EQ((int)(f->fileType), MH_OBJECT); + EXPECT_EQ((int)(f->flags), MH_SUBSECTIONS_VIA_SYMBOLS); + EXPECT_EQ(f->sections.size(), 2UL); + const Section& text = f->sections[0]; + EXPECT_TRUE(text.segmentName.equals("__TEXT")); + EXPECT_TRUE(text.sectionName.equals("__text")); + EXPECT_EQ(text.type, S_REGULAR); + EXPECT_EQ(text.attributes,SectionAttr(S_ATTR_PURE_INSTRUCTIONS + | S_ATTR_SOME_INSTRUCTIONS)); + EXPECT_EQ(text.alignment, 2U); + EXPECT_EQ(text.address, 0x0ULL); + EXPECT_EQ(text.content.size(), 42UL); + EXPECT_EQ((int)(text.content[0]), 0x80); + EXPECT_EQ((int)(text.content[1]), 0xB5); + EXPECT_TRUE(text.indirectSymbols.empty()); + EXPECT_EQ(text.relocations.size(), 5UL); + const Relocation& call = text.relocations[0]; + EXPECT_EQ(call.offset, Hex32(0x18)); + EXPECT_EQ(call.scattered, false); + EXPECT_EQ(call.type, ARM_THUMB_RELOC_BR22); + EXPECT_EQ(call.length, 2); + EXPECT_EQ(call.isExtern, true); + EXPECT_EQ(call.symbol, 1U); + const Relocation& movt = text.relocations[1]; + EXPECT_EQ(movt.offset, Hex32(0xA)); + EXPECT_EQ(movt.scattered, true); + EXPECT_EQ(movt.type, ARM_RELOC_HALF_SECTDIFF); + EXPECT_EQ(movt.length, 3); + EXPECT_EQ(movt.value, Hex32(0x2A)); + const Relocation& movtPair = text.relocations[2]; + EXPECT_EQ(movtPair.offset, Hex32(0x18)); + EXPECT_EQ(movtPair.scattered, true); + EXPECT_EQ(movtPair.type, ARM_RELOC_PAIR); + EXPECT_EQ(movtPair.length, 3); + EXPECT_EQ(movtPair.value, Hex32(0xE)); + const Relocation& movw = text.relocations[3]; + EXPECT_EQ(movw.offset, Hex32(0x6)); + EXPECT_EQ(movw.scattered, true); + EXPECT_EQ(movw.type, ARM_RELOC_HALF_SECTDIFF); + EXPECT_EQ(movw.length, 2); + EXPECT_EQ(movw.value, Hex32(0x2A)); + const Relocation& movwPair = text.relocations[4]; + EXPECT_EQ(movwPair.offset, Hex32(0x0)); + EXPECT_EQ(movwPair.scattered, true); + EXPECT_EQ(movwPair.type, ARM_RELOC_PAIR); + EXPECT_EQ(movwPair.length, 2); + EXPECT_EQ(movwPair.value, Hex32(0xE)); + + const Section& cstring = f->sections[1]; + EXPECT_TRUE(cstring.segmentName.equals("__TEXT")); + EXPECT_TRUE(cstring.sectionName.equals("__cstring")); + EXPECT_EQ(cstring.type, S_CSTRING_LITERALS); + EXPECT_EQ(cstring.attributes, SectionAttr(0)); + EXPECT_EQ(cstring.alignment, 0U); + EXPECT_EQ(cstring.address, 0x02AULL); + EXPECT_EQ(cstring.content.size(), 7UL); + EXPECT_EQ((int)(cstring.content[0]), 0x68); + EXPECT_EQ((int)(cstring.content[1]), 0x65); + EXPECT_EQ((int)(cstring.content[2]), 0x6c); + EXPECT_TRUE(cstring.indirectSymbols.empty()); + EXPECT_TRUE(cstring.relocations.empty()); + + EXPECT_EQ(f->localSymbols.size(), 0UL); + EXPECT_EQ(f->globalSymbols.size(), 1UL); + const Symbol& mainLabel = f->globalSymbols[0]; + EXPECT_TRUE(mainLabel.name.equals("_main")); + EXPECT_EQ(mainLabel.type, N_SECT); + EXPECT_EQ(mainLabel.sect, 1); + EXPECT_EQ(mainLabel.scope, SymbolScope(N_EXT)); + EXPECT_EQ(mainLabel.value, Hex64(0x0)); + EXPECT_EQ(f->undefinedSymbols.size(), 1UL); + const Symbol& printfLabel = f->undefinedSymbols[0]; + EXPECT_TRUE(printfLabel.name.equals("_printf")); + EXPECT_EQ(printfLabel.type, N_UNDF); + EXPECT_EQ(printfLabel.scope, SymbolScope(N_EXT)); +} + + +TEST(BinaryReaderTest, hello_obj_ppc) { + const uint8_t fileBytes[] = { + 0xFE, 0xED, 0xFA, 0xCE, 0x00, 0x00, 0x00, 0x12, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, + 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x01, 0x28, + 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x01, + 0x00, 0x00, 0x00, 0xC0, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x4B, 0x00, 0x00, 0x01, 0x44, + 0x00, 0x00, 0x00, 0x4B, 0x00, 0x00, 0x00, 0x07, + 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x02, + 0x00, 0x00, 0x00, 0x00, 0x5F, 0x5F, 0x74, 0x65, + 0x78, 0x74, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x5F, 0x5F, 0x54, 0x45, + 0x58, 0x54, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x44, 0x00, 0x00, 0x01, 0x44, + 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x01, 0x90, + 0x00, 0x00, 0x00, 0x05, 0x80, 0x00, 0x04, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x5F, 0x5F, 0x63, 0x73, 0x74, 0x72, 0x69, 0x6E, + 0x67, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x5F, 0x5F, 0x54, 0x45, 0x58, 0x54, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x44, 0x00, 0x00, 0x00, 0x07, + 0x00, 0x00, 0x01, 0x88, 0x00, 0x00, 0x00, 0x02, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, + 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x01, 0xB8, + 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x01, 0xD0, + 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x0B, + 0x00, 0x00, 0x00, 0x50, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, + 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x7C, 0x08, 0x02, 0xA6, + 0xBF, 0xC1, 0xFF, 0xF8, 0x90, 0x01, 0x00, 0x08, + 0x94, 0x21, 0xFF, 0xB0, 0x7C, 0x3E, 0x0B, 0x78, + 0x42, 0x9F, 0x00, 0x05, 0x7F, 0xE8, 0x02, 0xA6, + 0x3C, 0x5F, 0x00, 0x00, 0x38, 0x62, 0x00, 0x2C, + 0x4B, 0xFF, 0xFF, 0xDD, 0x38, 0x00, 0x00, 0x00, + 0x7C, 0x03, 0x03, 0x78, 0x80, 0x21, 0x00, 0x00, + 0x80, 0x01, 0x00, 0x08, 0x7C, 0x08, 0x03, 0xA6, + 0xBB, 0xC1, 0xFF, 0xF8, 0x4E, 0x80, 0x00, 0x20, + 0x68, 0x65, 0x6C, 0x6C, 0x6F, 0x0A, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x24, 0x00, 0x00, 0x01, 0xD3, + 0xAB, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x44, + 0xA1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, + 0xAC, 0x00, 0x00, 0x1C, 0x00, 0x00, 0x00, 0x44, + 0xA1, 0x00, 0x00, 0x2C, 0x00, 0x00, 0x00, 0x18, + 0x00, 0x00, 0x00, 0x01, 0x0F, 0x01, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, + 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x5F, 0x6D, 0x61, 0x69, 0x6E, 0x00, 0x5F, + 0x70, 0x72, 0x69, 0x6E, 0x74, 0x66, 0x00, 0x00 + }; + std::unique_ptr<NormalizedFile> f = fromBinary(fileBytes, sizeof(fileBytes)); + + EXPECT_EQ(f->arch, lld::MachOLinkingContext::arch_ppc); + EXPECT_EQ((int)(f->fileType), MH_OBJECT); + EXPECT_EQ((int)(f->flags), MH_SUBSECTIONS_VIA_SYMBOLS); + EXPECT_EQ(f->sections.size(), 2UL); + const Section& text = f->sections[0]; + EXPECT_TRUE(text.segmentName.equals("__TEXT")); + EXPECT_TRUE(text.sectionName.equals("__text")); + EXPECT_EQ(text.type, S_REGULAR); + EXPECT_EQ(text.attributes,SectionAttr(S_ATTR_PURE_INSTRUCTIONS + | S_ATTR_SOME_INSTRUCTIONS)); + EXPECT_EQ(text.alignment, 2U); + EXPECT_EQ(text.address, 0x0ULL); + EXPECT_EQ(text.content.size(), 68UL); + EXPECT_EQ((int)(text.content[0]), 0x7C); + EXPECT_EQ((int)(text.content[1]), 0x08); + EXPECT_TRUE(text.indirectSymbols.empty()); + EXPECT_EQ(text.relocations.size(), 5UL); + const Relocation& bl = text.relocations[0]; + EXPECT_EQ(bl.offset, Hex32(0x24)); + EXPECT_EQ(bl.type, PPC_RELOC_BR24); + EXPECT_EQ(bl.length, 2); + EXPECT_EQ(bl.isExtern, true); + EXPECT_EQ(bl.symbol, 1U); + const Relocation& lo = text.relocations[1]; + EXPECT_EQ(lo.offset, Hex32(0x20)); + EXPECT_EQ(lo.scattered, true); + EXPECT_EQ(lo.type, PPC_RELOC_LO16_SECTDIFF); + EXPECT_EQ(lo.length, 2); + EXPECT_EQ(lo.value, Hex32(0x44)); + const Relocation& loPair = text.relocations[2]; + EXPECT_EQ(loPair.offset, Hex32(0x0)); + EXPECT_EQ(loPair.scattered, true); + EXPECT_EQ(loPair.type, PPC_RELOC_PAIR); + EXPECT_EQ(loPair.length, 2); + EXPECT_EQ(loPair.value, Hex32(0x18)); + const Relocation& ha = text.relocations[3]; + EXPECT_EQ(ha.offset, Hex32(0x1C)); + EXPECT_EQ(ha.scattered, true); + EXPECT_EQ(ha.type, PPC_RELOC_HA16_SECTDIFF); + EXPECT_EQ(ha.length, 2); + EXPECT_EQ(ha.value, Hex32(0x44)); + const Relocation& haPair = text.relocations[4]; + EXPECT_EQ(haPair.offset, Hex32(0x2c)); + EXPECT_EQ(haPair.scattered, true); + EXPECT_EQ(haPair.type, PPC_RELOC_PAIR); + EXPECT_EQ(haPair.length, 2); + EXPECT_EQ(haPair.value, Hex32(0x18)); + + const Section& cstring = f->sections[1]; + EXPECT_TRUE(cstring.segmentName.equals("__TEXT")); + EXPECT_TRUE(cstring.sectionName.equals("__cstring")); + EXPECT_EQ(cstring.type, S_CSTRING_LITERALS); + EXPECT_EQ(cstring.attributes, SectionAttr(0)); + EXPECT_EQ(cstring.alignment, 2U); + EXPECT_EQ(cstring.address, 0x044ULL); + EXPECT_EQ(cstring.content.size(), 7UL); + EXPECT_EQ((int)(cstring.content[0]), 0x68); + EXPECT_EQ((int)(cstring.content[1]), 0x65); + EXPECT_EQ((int)(cstring.content[2]), 0x6c); + EXPECT_TRUE(cstring.indirectSymbols.empty()); + EXPECT_TRUE(cstring.relocations.empty()); + + EXPECT_EQ(f->localSymbols.size(), 0UL); + EXPECT_EQ(f->globalSymbols.size(), 1UL); + const Symbol& mainLabel = f->globalSymbols[0]; + EXPECT_TRUE(mainLabel.name.equals("_main")); + EXPECT_EQ(mainLabel.type, N_SECT); + EXPECT_EQ(mainLabel.sect, 1); + EXPECT_EQ(mainLabel.scope, SymbolScope(N_EXT)); + EXPECT_EQ(mainLabel.value, Hex64(0x0)); + EXPECT_EQ(f->undefinedSymbols.size(), 1UL); + const Symbol& printfLabel = f->undefinedSymbols[0]; + EXPECT_TRUE(printfLabel.name.equals("_printf")); + EXPECT_EQ(printfLabel.type, N_UNDF); + EXPECT_EQ(printfLabel.scope, SymbolScope(N_EXT)); + + writeBinary(*f, "/tmp/foo.o"); + +} + diff --git a/lld/unittests/MachOTests/MachONormalizedFileBinaryWriterTests.cpp b/lld/unittests/MachOTests/MachONormalizedFileBinaryWriterTests.cpp new file mode 100644 index 00000000000..6de28291f97 --- /dev/null +++ b/lld/unittests/MachOTests/MachONormalizedFileBinaryWriterTests.cpp @@ -0,0 +1,685 @@ +//===- lld/unittest/MachOTests/MachONormalizedFileBinaryWriterTests.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 <llvm/ADT/OwningPtr.h> +#include <llvm/ADT/Twine.h> +#include <llvm/Support/FileSystem.h> +#include <llvm/Support/MachO.h> +#include <llvm/Support/system_error.h> +#include "../../lib/ReaderWriter/MachO/MachONormalizedFile.h" + +#include <assert.h> +#include <vector> + +using llvm::StringRef; +using llvm::MemoryBuffer; +using llvm::OwningPtr; +using llvm::SmallString; +using llvm::Twine; +using llvm::ErrorOr; +using llvm::error_code; +using namespace llvm::MachO; +using namespace lld::mach_o::normalized; + + +static std::unique_ptr<NormalizedFile> +fromBinary(StringRef path) { + + OwningPtr<MemoryBuffer> result; + error_code ec = MemoryBuffer::getFile(path, result); + EXPECT_FALSE(ec); + + + + std::unique_ptr<MemoryBuffer> mb(result.take()); + ErrorOr<std::unique_ptr<NormalizedFile>> r + = lld::mach_o::normalized::readBinary(mb); + EXPECT_FALSE(!r); + return std::move(*r); +} + + +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 = 4; + 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.assign(textBytes, 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")); + + error_code ec = llvm::sys::fs::createTemporaryFile(Twine("xx"), "o", tmpFl); + EXPECT_FALSE(ec); + ec = writeBinary(f, tmpFl); + EXPECT_FALSE(ec); + } + std::unique_ptr<NormalizedFile> f2 = fromBinary(tmpFl); + 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(text.alignment, 4U); + EXPECT_EQ(text.address, 0x0ULL); + 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); + + 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 = 4; + 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.assign(textBytes, 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")); + + error_code ec = llvm::sys::fs::createTemporaryFile(Twine("xx"), "o", tmpFl); + EXPECT_FALSE(ec); + ec = writeBinary(f, tmpFl); + EXPECT_FALSE(ec); + } + std::unique_ptr<NormalizedFile> f2 = fromBinary(tmpFl); + 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(text.alignment, 4U); + EXPECT_EQ(text.address, 0x0ULL); + 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"; + 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 = 2; + 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.assign(textBytes, 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")); + + error_code ec = llvm::sys::fs::createTemporaryFile(Twine("xx"), "o", tmpFl); + EXPECT_FALSE(ec); + ec = writeBinary(f, tmpFl); + EXPECT_FALSE(ec); + } + std::unique_ptr<NormalizedFile> f2 = fromBinary(tmpFl); + 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(text.alignment, 2U); + EXPECT_EQ(text.address, 0x0ULL); + 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"; + 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 = 2; + 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.assign(textBytes, 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")); + + error_code ec = llvm::sys::fs::createTemporaryFile(Twine("xx"), "o", tmpFl); + EXPECT_FALSE(ec); + ec = writeBinary(f, tmpFl); + EXPECT_FALSE(ec); + } + std::unique_ptr<NormalizedFile> f2 = fromBinary(tmpFl); + 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(text.alignment, 2U); + EXPECT_EQ(text.address, 0x0ULL); + 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); + + error_code ec = llvm::sys::fs::remove(Twine(tmpFl)); + EXPECT_FALSE(ec); +} + + + + + |
