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45ad72aa8e
This commit adds round tripping for MachO symbol data. Symbols are entries in the name list, that contain offsets into the string table which is at the end of the __LINKEDIT segment. llvm-svn: 271604
510 lines
18 KiB
C++
510 lines
18 KiB
C++
//===- MachOYAML.cpp - MachO YAMLIO implementation ------------------------===//
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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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//
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// This file defines classes for handling the YAML representation of MachO.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ObjectYAML/MachOYAML.h"
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#include "llvm/Support/Casting.h"
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#include "llvm/Support/Format.h"
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#include <string.h> // For memcpy, memset and strnlen.
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namespace llvm {
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MachOYAML::LoadCommand::~LoadCommand() {}
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namespace yaml {
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void ScalarTraits<char_16>::output(const char_16 &Val, void *,
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llvm::raw_ostream &Out) {
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auto Len = strnlen(&Val[0], 16);
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Out << StringRef(&Val[0], Len);
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}
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StringRef ScalarTraits<char_16>::input(StringRef Scalar, void *, char_16 &Val) {
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size_t CopySize = 16 >= Scalar.size() ? 16 : Scalar.size();
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memcpy((void *)Val, Scalar.data(), CopySize);
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if (Scalar.size() < 16) {
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memset((void *)&Val[Scalar.size()], 0, 16 - Scalar.size());
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}
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return StringRef();
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}
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bool ScalarTraits<char_16>::mustQuote(StringRef S) { return needsQuotes(S); }
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void ScalarTraits<uuid_t>::output(const uuid_t &Val, void *,
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llvm::raw_ostream &Out) {
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for (int Idx = 0; Idx < 16; ++Idx) {
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Out << format("%02" PRIX32, Val[Idx]);
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if (Idx == 3 || Idx == 5 || Idx == 7 || Idx == 9)
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Out << "-";
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}
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}
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StringRef ScalarTraits<uuid_t>::input(StringRef Scalar, void *, uuid_t &Val) {
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size_t OutIdx = 0;
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for (size_t Idx = 0; Idx < Scalar.size(); ++Idx) {
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if (Scalar[Idx] == '-' || OutIdx >= 16)
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continue;
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unsigned long long TempInt;
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if (getAsUnsignedInteger(Scalar.slice(Idx, Idx + 2), 16, TempInt))
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return "invalid number";
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if (TempInt > 0xFF)
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return "out of range number";
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Val[OutIdx] = static_cast<uint8_t>(TempInt);
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++Idx; // increment idx an extra time because we're consuming 2 chars
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++OutIdx;
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}
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return StringRef();
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}
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bool ScalarTraits<uuid_t>::mustQuote(StringRef S) { return needsQuotes(S); }
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void MappingTraits<MachOYAML::FileHeader>::mapping(
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IO &IO, MachOYAML::FileHeader &FileHdr) {
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IO.mapRequired("magic", FileHdr.magic);
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IO.mapRequired("cputype", FileHdr.cputype);
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IO.mapRequired("cpusubtype", FileHdr.cpusubtype);
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IO.mapRequired("filetype", FileHdr.filetype);
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IO.mapRequired("ncmds", FileHdr.ncmds);
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IO.mapRequired("sizeofcmds", FileHdr.sizeofcmds);
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IO.mapRequired("flags", FileHdr.flags);
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IO.mapOptional("reserved", FileHdr.reserved,
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static_cast<llvm::yaml::Hex32>(0xDEADBEEFu));
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}
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void MappingTraits<MachOYAML::Object>::mapping(IO &IO,
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MachOYAML::Object &Object) {
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// If the context isn't already set, tag the document as !mach-o.
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// For Fat files there will be a different tag so they can be differentiated.
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if (!IO.getContext()) {
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IO.setContext(&Object);
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IO.mapTag("!mach-o", true);
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}
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IO.mapRequired("FileHeader", Object.Header);
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IO.mapOptional("LoadCommands", Object.LoadCommands);
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IO.mapOptional("LinkEditData", Object.LinkEdit);
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IO.setContext(nullptr);
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}
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void MappingTraits<MachOYAML::LinkEditData>::mapping(
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IO &IO, MachOYAML::LinkEditData &LinkEditData) {
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IO.mapOptional("RebaseOpcodes", LinkEditData.RebaseOpcodes);
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IO.mapOptional("BindOpcodes", LinkEditData.BindOpcodes);
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IO.mapOptional("WeakBindOpcodes", LinkEditData.WeakBindOpcodes);
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IO.mapOptional("LazyBindOpcodes", LinkEditData.LazyBindOpcodes);
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IO.mapOptional("ExportTrie", LinkEditData.ExportTrie);
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IO.mapOptional("NameList", LinkEditData.NameList);
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IO.mapOptional("StringTable", LinkEditData.StringTable);
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}
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void MappingTraits<MachOYAML::RebaseOpcode>::mapping(
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IO &IO, MachOYAML::RebaseOpcode &RebaseOpcode) {
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IO.mapRequired("Opcode", RebaseOpcode.Opcode);
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IO.mapRequired("Imm", RebaseOpcode.Imm);
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IO.mapOptional("ExtraData", RebaseOpcode.ExtraData);
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}
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void MappingTraits<MachOYAML::BindOpcode>::mapping(
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IO &IO, MachOYAML::BindOpcode &BindOpcode) {
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IO.mapRequired("Opcode", BindOpcode.Opcode);
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IO.mapRequired("Imm", BindOpcode.Imm);
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IO.mapOptional("ULEBExtraData", BindOpcode.ULEBExtraData);
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IO.mapOptional("SLEBExtraData", BindOpcode.SLEBExtraData);
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IO.mapOptional("Symbol", BindOpcode.Symbol);
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}
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void MappingTraits<MachOYAML::ExportEntry>::mapping(
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IO &IO, MachOYAML::ExportEntry &ExportEntry) {
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IO.mapRequired("TerminalSize", ExportEntry.TerminalSize);
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IO.mapOptional("NodeOffset", ExportEntry.NodeOffset);
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IO.mapOptional("Name", ExportEntry.Name);
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IO.mapOptional("Flags", ExportEntry.Flags);
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IO.mapOptional("Address", ExportEntry.Address);
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IO.mapOptional("Other", ExportEntry.Other);
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IO.mapOptional("ImportName", ExportEntry.ImportName);
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IO.mapOptional("Children", ExportEntry.Children);
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}
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void MappingTraits<MachOYAML::NListEntry>::mapping(
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IO &IO, MachOYAML::NListEntry &NListEntry) {
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IO.mapRequired("n_strx", NListEntry.n_strx);
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IO.mapRequired("n_type", NListEntry.n_type);
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IO.mapRequired("n_sect", NListEntry.n_sect);
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IO.mapRequired("n_desc", NListEntry.n_desc);
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IO.mapRequired("n_value", NListEntry.n_value);
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}
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template <typename StructType>
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void mapLoadCommandData(IO &IO, MachOYAML::LoadCommand &LoadCommand) {}
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template <>
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void mapLoadCommandData<MachO::segment_command>(
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IO &IO, MachOYAML::LoadCommand &LoadCommand) {
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IO.mapOptional("Sections", LoadCommand.Sections);
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}
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template <>
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void mapLoadCommandData<MachO::segment_command_64>(
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IO &IO, MachOYAML::LoadCommand &LoadCommand) {
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IO.mapOptional("Sections", LoadCommand.Sections);
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}
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template <>
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void mapLoadCommandData<MachO::dylib_command>(
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IO &IO, MachOYAML::LoadCommand &LoadCommand) {
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IO.mapOptional("PayloadString", LoadCommand.PayloadString);
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}
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template <>
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void mapLoadCommandData<MachO::rpath_command>(
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IO &IO, MachOYAML::LoadCommand &LoadCommand) {
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IO.mapOptional("PayloadString", LoadCommand.PayloadString);
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}
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template <>
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void mapLoadCommandData<MachO::dylinker_command>(
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IO &IO, MachOYAML::LoadCommand &LoadCommand) {
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IO.mapOptional("PayloadString", LoadCommand.PayloadString);
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}
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void MappingTraits<MachOYAML::LoadCommand>::mapping(
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IO &IO, MachOYAML::LoadCommand &LoadCommand) {
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IO.mapRequired(
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"cmd", (MachO::LoadCommandType &)LoadCommand.Data.load_command_data.cmd);
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IO.mapRequired("cmdsize", LoadCommand.Data.load_command_data.cmdsize);
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#define HANDLE_LOAD_COMMAND(LCName, LCValue, LCStruct) \
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case MachO::LCName: \
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MappingTraits<MachO::LCStruct>::mapping(IO, \
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LoadCommand.Data.LCStruct##_data); \
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mapLoadCommandData<MachO::LCStruct>(IO, LoadCommand); \
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break;
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switch (LoadCommand.Data.load_command_data.cmd) {
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#include "llvm/Support/MachO.def"
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}
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IO.mapOptional("PayloadBytes", LoadCommand.PayloadBytes);
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IO.mapOptional("ZeroPadBytes", LoadCommand.ZeroPadBytes, (uint64_t)0ull);
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}
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void MappingTraits<MachO::dyld_info_command>::mapping(
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IO &IO, MachO::dyld_info_command &LoadCommand) {
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IO.mapRequired("rebase_off", LoadCommand.rebase_off);
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IO.mapRequired("rebase_size", LoadCommand.rebase_size);
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IO.mapRequired("bind_off", LoadCommand.bind_off);
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IO.mapRequired("bind_size", LoadCommand.bind_size);
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IO.mapRequired("weak_bind_off", LoadCommand.weak_bind_off);
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IO.mapRequired("weak_bind_size", LoadCommand.weak_bind_size);
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IO.mapRequired("lazy_bind_off", LoadCommand.lazy_bind_off);
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IO.mapRequired("lazy_bind_size", LoadCommand.lazy_bind_size);
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IO.mapRequired("export_off", LoadCommand.export_off);
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IO.mapRequired("export_size", LoadCommand.export_size);
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}
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void MappingTraits<MachOYAML::Section>::mapping(IO &IO,
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MachOYAML::Section &Section) {
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IO.mapRequired("sectname", Section.sectname);
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IO.mapRequired("segname", Section.segname);
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IO.mapRequired("addr", Section.addr);
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IO.mapRequired("size", Section.size);
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IO.mapRequired("offset", Section.offset);
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IO.mapRequired("align", Section.align);
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IO.mapRequired("reloff", Section.reloff);
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IO.mapRequired("nreloc", Section.nreloc);
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IO.mapRequired("flags", Section.flags);
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IO.mapRequired("reserved1", Section.reserved1);
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IO.mapRequired("reserved2", Section.reserved2);
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IO.mapOptional("reserved3", Section.reserved3);
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}
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void MappingTraits<MachO::dylib>::mapping(IO &IO, MachO::dylib &DylibStruct) {
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IO.mapRequired("name", DylibStruct.name);
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IO.mapRequired("timestamp", DylibStruct.timestamp);
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IO.mapRequired("current_version", DylibStruct.current_version);
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IO.mapRequired("compatibility_version", DylibStruct.compatibility_version);
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}
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void MappingTraits<MachO::dylib_command>::mapping(
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IO &IO, MachO::dylib_command &LoadCommand) {
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IO.mapRequired("dylib", LoadCommand.dylib);
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}
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void MappingTraits<MachO::dylinker_command>::mapping(
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IO &IO, MachO::dylinker_command &LoadCommand) {
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IO.mapRequired("name", LoadCommand.name);
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}
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void MappingTraits<MachO::dysymtab_command>::mapping(
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IO &IO, MachO::dysymtab_command &LoadCommand) {
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IO.mapRequired("ilocalsym", LoadCommand.ilocalsym);
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IO.mapRequired("nlocalsym", LoadCommand.nlocalsym);
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IO.mapRequired("iextdefsym", LoadCommand.iextdefsym);
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IO.mapRequired("nextdefsym", LoadCommand.nextdefsym);
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IO.mapRequired("iundefsym", LoadCommand.iundefsym);
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IO.mapRequired("nundefsym", LoadCommand.nundefsym);
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IO.mapRequired("tocoff", LoadCommand.tocoff);
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IO.mapRequired("ntoc", LoadCommand.ntoc);
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IO.mapRequired("modtaboff", LoadCommand.modtaboff);
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IO.mapRequired("nmodtab", LoadCommand.nmodtab);
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IO.mapRequired("extrefsymoff", LoadCommand.extrefsymoff);
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IO.mapRequired("nextrefsyms", LoadCommand.nextrefsyms);
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IO.mapRequired("indirectsymoff", LoadCommand.indirectsymoff);
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IO.mapRequired("nindirectsyms", LoadCommand.nindirectsyms);
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IO.mapRequired("extreloff", LoadCommand.extreloff);
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IO.mapRequired("nextrel", LoadCommand.nextrel);
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IO.mapRequired("locreloff", LoadCommand.locreloff);
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IO.mapRequired("nlocrel", LoadCommand.nlocrel);
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}
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void MappingTraits<MachO::encryption_info_command>::mapping(
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IO &IO, MachO::encryption_info_command &LoadCommand) {
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IO.mapRequired("cryptoff", LoadCommand.cryptoff);
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IO.mapRequired("cryptsize", LoadCommand.cryptsize);
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IO.mapRequired("cryptid", LoadCommand.cryptid);
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}
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void MappingTraits<MachO::encryption_info_command_64>::mapping(
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IO &IO, MachO::encryption_info_command_64 &LoadCommand) {
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IO.mapRequired("cryptoff", LoadCommand.cryptoff);
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IO.mapRequired("cryptsize", LoadCommand.cryptsize);
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IO.mapRequired("cryptid", LoadCommand.cryptid);
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IO.mapRequired("pad", LoadCommand.pad);
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}
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void MappingTraits<MachO::entry_point_command>::mapping(
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IO &IO, MachO::entry_point_command &LoadCommand) {
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IO.mapRequired("entryoff", LoadCommand.entryoff);
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IO.mapRequired("stacksize", LoadCommand.stacksize);
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}
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void MappingTraits<MachO::fvmfile_command>::mapping(
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IO &IO, MachO::fvmfile_command &LoadCommand) {
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IO.mapRequired("name", LoadCommand.name);
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IO.mapRequired("header_addr", LoadCommand.header_addr);
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}
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void MappingTraits<MachO::fvmlib>::mapping(IO &IO, MachO::fvmlib &FVMLib) {
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IO.mapRequired("name", FVMLib.name);
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IO.mapRequired("minor_version", FVMLib.minor_version);
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IO.mapRequired("header_addr", FVMLib.header_addr);
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}
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void MappingTraits<MachO::fvmlib_command>::mapping(
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IO &IO, MachO::fvmlib_command &LoadCommand) {
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IO.mapRequired("fvmlib", LoadCommand.fvmlib);
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}
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void MappingTraits<MachO::ident_command>::mapping(
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IO &IO, MachO::ident_command &LoadCommand) {}
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void MappingTraits<MachO::linkedit_data_command>::mapping(
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IO &IO, MachO::linkedit_data_command &LoadCommand) {
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IO.mapRequired("dataoff", LoadCommand.dataoff);
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IO.mapRequired("datasize", LoadCommand.datasize);
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}
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void MappingTraits<MachO::linker_option_command>::mapping(
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IO &IO, MachO::linker_option_command &LoadCommand) {
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IO.mapRequired("count", LoadCommand.count);
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}
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void MappingTraits<MachO::prebind_cksum_command>::mapping(
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IO &IO, MachO::prebind_cksum_command &LoadCommand) {
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IO.mapRequired("cksum", LoadCommand.cksum);
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}
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void MappingTraits<MachO::load_command>::mapping(
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IO &IO, MachO::load_command &LoadCommand) {}
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void MappingTraits<MachO::prebound_dylib_command>::mapping(
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IO &IO, MachO::prebound_dylib_command &LoadCommand) {
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IO.mapRequired("name", LoadCommand.name);
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IO.mapRequired("nmodules", LoadCommand.nmodules);
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IO.mapRequired("linked_modules", LoadCommand.linked_modules);
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}
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void MappingTraits<MachO::routines_command>::mapping(
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IO &IO, MachO::routines_command &LoadCommand) {
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IO.mapRequired("init_address", LoadCommand.init_address);
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IO.mapRequired("init_module", LoadCommand.init_module);
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IO.mapRequired("reserved1", LoadCommand.reserved1);
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IO.mapRequired("reserved2", LoadCommand.reserved2);
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IO.mapRequired("reserved3", LoadCommand.reserved3);
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IO.mapRequired("reserved4", LoadCommand.reserved4);
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IO.mapRequired("reserved5", LoadCommand.reserved5);
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IO.mapRequired("reserved6", LoadCommand.reserved6);
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}
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void MappingTraits<MachO::routines_command_64>::mapping(
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IO &IO, MachO::routines_command_64 &LoadCommand) {
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IO.mapRequired("init_address", LoadCommand.init_address);
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IO.mapRequired("init_module", LoadCommand.init_module);
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IO.mapRequired("reserved1", LoadCommand.reserved1);
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IO.mapRequired("reserved2", LoadCommand.reserved2);
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IO.mapRequired("reserved3", LoadCommand.reserved3);
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IO.mapRequired("reserved4", LoadCommand.reserved4);
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IO.mapRequired("reserved5", LoadCommand.reserved5);
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IO.mapRequired("reserved6", LoadCommand.reserved6);
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}
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void MappingTraits<MachO::rpath_command>::mapping(
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IO &IO, MachO::rpath_command &LoadCommand) {
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IO.mapRequired("path", LoadCommand.path);
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}
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void MappingTraits<MachO::section>::mapping(IO &IO, MachO::section &Section) {
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IO.mapRequired("sectname", Section.sectname);
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IO.mapRequired("segname", Section.segname);
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IO.mapRequired("addr", Section.addr);
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IO.mapRequired("size", Section.size);
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IO.mapRequired("offset", Section.offset);
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IO.mapRequired("align", Section.align);
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IO.mapRequired("reloff", Section.reloff);
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IO.mapRequired("nreloc", Section.nreloc);
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IO.mapRequired("flags", Section.flags);
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IO.mapRequired("reserved1", Section.reserved1);
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IO.mapRequired("reserved2", Section.reserved2);
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}
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void MappingTraits<MachO::section_64>::mapping(IO &IO,
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MachO::section_64 &Section) {
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IO.mapRequired("sectname", Section.sectname);
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IO.mapRequired("segname", Section.segname);
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IO.mapRequired("addr", Section.addr);
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IO.mapRequired("size", Section.size);
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IO.mapRequired("offset", Section.offset);
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IO.mapRequired("align", Section.align);
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IO.mapRequired("reloff", Section.reloff);
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IO.mapRequired("nreloc", Section.nreloc);
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IO.mapRequired("flags", Section.flags);
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IO.mapRequired("reserved1", Section.reserved1);
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IO.mapRequired("reserved2", Section.reserved2);
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IO.mapRequired("reserved3", Section.reserved3);
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}
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void MappingTraits<MachO::segment_command>::mapping(
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IO &IO, MachO::segment_command &LoadCommand) {
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IO.mapRequired("segname", LoadCommand.segname);
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IO.mapRequired("vmaddr", LoadCommand.vmaddr);
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IO.mapRequired("vmsize", LoadCommand.vmsize);
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IO.mapRequired("fileoff", LoadCommand.fileoff);
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IO.mapRequired("filesize", LoadCommand.filesize);
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IO.mapRequired("maxprot", LoadCommand.maxprot);
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IO.mapRequired("initprot", LoadCommand.initprot);
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IO.mapRequired("nsects", LoadCommand.nsects);
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IO.mapRequired("flags", LoadCommand.flags);
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}
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void MappingTraits<MachO::segment_command_64>::mapping(
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IO &IO, MachO::segment_command_64 &LoadCommand) {
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IO.mapRequired("segname", LoadCommand.segname);
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IO.mapRequired("vmaddr", LoadCommand.vmaddr);
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IO.mapRequired("vmsize", LoadCommand.vmsize);
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IO.mapRequired("fileoff", LoadCommand.fileoff);
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IO.mapRequired("filesize", LoadCommand.filesize);
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IO.mapRequired("maxprot", LoadCommand.maxprot);
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IO.mapRequired("initprot", LoadCommand.initprot);
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|
IO.mapRequired("nsects", LoadCommand.nsects);
|
|
IO.mapRequired("flags", LoadCommand.flags);
|
|
}
|
|
|
|
void MappingTraits<MachO::source_version_command>::mapping(
|
|
IO &IO, MachO::source_version_command &LoadCommand) {
|
|
|
|
IO.mapRequired("version", LoadCommand.version);
|
|
}
|
|
|
|
void MappingTraits<MachO::sub_client_command>::mapping(
|
|
IO &IO, MachO::sub_client_command &LoadCommand) {
|
|
|
|
IO.mapRequired("client", LoadCommand.client);
|
|
}
|
|
|
|
void MappingTraits<MachO::sub_framework_command>::mapping(
|
|
IO &IO, MachO::sub_framework_command &LoadCommand) {
|
|
|
|
IO.mapRequired("umbrella", LoadCommand.umbrella);
|
|
}
|
|
|
|
void MappingTraits<MachO::sub_library_command>::mapping(
|
|
IO &IO, MachO::sub_library_command &LoadCommand) {
|
|
|
|
IO.mapRequired("sub_library", LoadCommand.sub_library);
|
|
}
|
|
|
|
void MappingTraits<MachO::sub_umbrella_command>::mapping(
|
|
IO &IO, MachO::sub_umbrella_command &LoadCommand) {
|
|
|
|
IO.mapRequired("sub_umbrella", LoadCommand.sub_umbrella);
|
|
}
|
|
|
|
void MappingTraits<MachO::symseg_command>::mapping(
|
|
IO &IO, MachO::symseg_command &LoadCommand) {
|
|
|
|
IO.mapRequired("offset", LoadCommand.offset);
|
|
IO.mapRequired("size", LoadCommand.size);
|
|
}
|
|
|
|
void MappingTraits<MachO::symtab_command>::mapping(
|
|
IO &IO, MachO::symtab_command &LoadCommand) {
|
|
|
|
IO.mapRequired("symoff", LoadCommand.symoff);
|
|
IO.mapRequired("nsyms", LoadCommand.nsyms);
|
|
IO.mapRequired("stroff", LoadCommand.stroff);
|
|
IO.mapRequired("strsize", LoadCommand.strsize);
|
|
}
|
|
|
|
void MappingTraits<MachO::thread_command>::mapping(
|
|
IO &IO, MachO::thread_command &LoadCommand) {}
|
|
|
|
void MappingTraits<MachO::twolevel_hints_command>::mapping(
|
|
IO &IO, MachO::twolevel_hints_command &LoadCommand) {
|
|
|
|
IO.mapRequired("offset", LoadCommand.offset);
|
|
IO.mapRequired("nhints", LoadCommand.nhints);
|
|
}
|
|
|
|
void MappingTraits<MachO::uuid_command>::mapping(
|
|
IO &IO, MachO::uuid_command &LoadCommand) {
|
|
|
|
IO.mapRequired("uuid", LoadCommand.uuid);
|
|
}
|
|
|
|
void MappingTraits<MachO::version_min_command>::mapping(
|
|
IO &IO, MachO::version_min_command &LoadCommand) {
|
|
|
|
IO.mapRequired("version", LoadCommand.version);
|
|
IO.mapRequired("sdk", LoadCommand.sdk);
|
|
}
|
|
|
|
} // namespace llvm::yaml
|
|
|
|
} // namespace llvm
|