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