[llvm] r269785 - Revert "[obj2yaml] [yaml2obj] Support for MachO load command structures"

Chris Bieneman via llvm-commits llvm-commits at lists.llvm.org
Tue May 17 10:13:50 PDT 2016


Author: cbieneman
Date: Tue May 17 12:13:50 2016
New Revision: 269785

URL: http://llvm.org/viewvc/llvm-project?rev=269785&view=rev
Log:
Revert "[obj2yaml] [yaml2obj] Support for MachO load command structures"

This reverts commit r269782 because it broke bots with -fpermissive.

Modified:
    llvm/trunk/include/llvm/ObjectYAML/MachOYAML.h
    llvm/trunk/include/llvm/Support/MachO.def
    llvm/trunk/include/llvm/Support/MachO.h
    llvm/trunk/lib/ObjectYAML/MachOYAML.cpp
    llvm/trunk/test/ObjectYAML/MachO/load_commands.yaml
    llvm/trunk/tools/obj2yaml/macho2yaml.cpp
    llvm/trunk/tools/yaml2obj/yaml2macho.cpp

Modified: llvm/trunk/include/llvm/ObjectYAML/MachOYAML.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ObjectYAML/MachOYAML.h?rev=269785&r1=269784&r2=269785&view=diff
==============================================================================
--- llvm/trunk/include/llvm/ObjectYAML/MachOYAML.h (original)
+++ llvm/trunk/include/llvm/ObjectYAML/MachOYAML.h Tue May 17 12:13:50 2016
@@ -35,18 +35,19 @@ struct FileHeader {
 
 struct LoadCommand {
   virtual ~LoadCommand();
-  llvm::MachO::macho_load_command load_command_data;
+  MachO::LoadCommandType cmd;
+  uint32_t cmdsize;
 };
 
 struct Object {
   FileHeader Header;
-  std::vector<LoadCommand> LoadCommands;
+  std::vector<std::unique_ptr<LoadCommand>> LoadCommands;
 };
 
 } // namespace llvm::MachOYAML
 } // namespace llvm
 
-LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::MachOYAML::LoadCommand)
+LLVM_YAML_IS_SEQUENCE_VECTOR(std::unique_ptr<llvm::MachOYAML::LoadCommand>)
 
 namespace llvm {
 namespace yaml {
@@ -59,11 +60,12 @@ template <> struct MappingTraits<MachOYA
   static void mapping(IO &IO, MachOYAML::Object &Object);
 };
 
-template <> struct MappingTraits<MachOYAML::LoadCommand> {
-  static void mapping(IO &IO, MachOYAML::LoadCommand &LoadCommand);
+template <> struct MappingTraits<std::unique_ptr<MachOYAML::LoadCommand>> {
+  static void mapping(IO &IO,
+                      std::unique_ptr<MachOYAML::LoadCommand> &LoadCommand);
 };
 
-#define HANDLE_LOAD_COMMAND(LCName, LCValue, LCStruct)                         \
+#define HANDLE_LOAD_COMMAND(LCName, LCValue, LCStruct)                 \
   io.enumCase(value, #LCName, MachO::LCName);
 
 template <> struct ScalarEnumerationTraits<MachO::LoadCommandType> {
@@ -72,52 +74,7 @@ template <> struct ScalarEnumerationTrai
   }
 };
 
-// This trait is used for 16-byte chars in Mach structures used for strings
-typedef char char_16[16];
-
-template <> struct ScalarTraits<char_16> {
-  static void output(const char_16 &Val, void *, llvm::raw_ostream &Out);
-
-  static StringRef input(StringRef Scalar, void *, char_16 &Val);
-  static bool mustQuote(StringRef S);
-};
-
-// This trait is used for UUIDs. It reads and writes them matching otool's
-// formatting style.
-typedef uint8_t uuid_t[16];
-
-template <> struct ScalarTraits<uuid_t> {
-  static void output(const uuid_t &Val, void *, llvm::raw_ostream &Out);
-
-  static StringRef input(StringRef Scalar, void *, uuid_t &Val);
-  static bool mustQuote(StringRef S);
-};
-
-// Load Command struct mapping traits
-
-#define LOAD_COMMAND_STRUCT(LCStruct)                                          \
-  template <> struct MappingTraits<MachO::LCStruct> {                          \
-    static void mapping(IO &IO, MachO::LCStruct &LoadCommand);                 \
-  };
-
-#include "llvm/Support/MachO.def"
-
-// Extra structures used by load commands
-template <> struct MappingTraits<MachO::dylib> {
-  static void mapping(IO &IO, MachO::dylib &LoadCommand);
-};
-
-template <> struct MappingTraits<MachO::fvmlib> {
-  static void mapping(IO &IO, MachO::fvmlib &LoadCommand);
-};
-
-template <> struct MappingTraits<MachO::section> {
-  static void mapping(IO &IO, MachO::section &LoadCommand);
-};
-
-template <> struct MappingTraits<MachO::section_64> {
-  static void mapping(IO &IO, MachO::section_64 &LoadCommand);
-};
+#undef HANDLE_LOAD_COMMAND
 
 } // namespace llvm::yaml
 

Modified: llvm/trunk/include/llvm/Support/MachO.def
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/MachO.def?rev=269785&r1=269784&r2=269785&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Support/MachO.def (original)
+++ llvm/trunk/include/llvm/Support/MachO.def Tue May 17 12:13:50 2016
@@ -11,7 +11,9 @@
 //
 //,,,----------------------------------------------------------------------,,,//
 
-#ifdef HANDLE_LOAD_COMMAND
+#ifndef HANDLE_LOAD_COMMAND
+#define HANDLE_LOAD_COMMAND(LCName, LCValue, LCStruct)
+#endif
 
 HANDLE_LOAD_COMMAND(LC_SEGMENT, 0x00000001u, segment_command)
 HANDLE_LOAD_COMMAND(LC_SYMTAB, 0x00000002u, symtab_command)
@@ -63,44 +65,3 @@ HANDLE_LOAD_COMMAND(LC_LINKER_OPTION, 0x
 HANDLE_LOAD_COMMAND(LC_LINKER_OPTIMIZATION_HINT, 0x0000002Eu, linkedit_data_command)
 HANDLE_LOAD_COMMAND(LC_VERSION_MIN_TVOS, 0x0000002Fu, version_min_command)
 HANDLE_LOAD_COMMAND(LC_VERSION_MIN_WATCHOS, 0x00000030u, version_min_command)
-
-#endif
-
-#ifdef LOAD_COMMAND_STRUCT
-
-LOAD_COMMAND_STRUCT(dyld_info_command)
-LOAD_COMMAND_STRUCT(dylib_command)
-LOAD_COMMAND_STRUCT(dylinker_command)
-LOAD_COMMAND_STRUCT(dysymtab_command)
-LOAD_COMMAND_STRUCT(encryption_info_command)
-LOAD_COMMAND_STRUCT(encryption_info_command_64)
-LOAD_COMMAND_STRUCT(entry_point_command)
-LOAD_COMMAND_STRUCT(fvmfile_command)
-LOAD_COMMAND_STRUCT(fvmlib_command)
-LOAD_COMMAND_STRUCT(ident_command)
-LOAD_COMMAND_STRUCT(linkedit_data_command)
-LOAD_COMMAND_STRUCT(linker_option_command)
-LOAD_COMMAND_STRUCT(load_command)
-LOAD_COMMAND_STRUCT(prebind_cksum_command)
-LOAD_COMMAND_STRUCT(prebound_dylib_command)
-LOAD_COMMAND_STRUCT(routines_command)
-LOAD_COMMAND_STRUCT(routines_command_64)
-LOAD_COMMAND_STRUCT(rpath_command)
-LOAD_COMMAND_STRUCT(segment_command)
-LOAD_COMMAND_STRUCT(segment_command_64)
-LOAD_COMMAND_STRUCT(source_version_command)
-LOAD_COMMAND_STRUCT(sub_client_command)
-LOAD_COMMAND_STRUCT(sub_framework_command)
-LOAD_COMMAND_STRUCT(sub_library_command)
-LOAD_COMMAND_STRUCT(sub_umbrella_command)
-LOAD_COMMAND_STRUCT(symseg_command)
-LOAD_COMMAND_STRUCT(symtab_command)
-LOAD_COMMAND_STRUCT(thread_command)
-LOAD_COMMAND_STRUCT(twolevel_hints_command)
-LOAD_COMMAND_STRUCT(uuid_command)
-LOAD_COMMAND_STRUCT(version_min_command)
-
-#endif
-
-#undef HANDLE_LOAD_COMMAND
-#undef LOAD_COMMAND_STRUCT

Modified: llvm/trunk/include/llvm/Support/MachO.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/MachO.h?rev=269785&r1=269784&r2=269785&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Support/MachO.h (original)
+++ llvm/trunk/include/llvm/Support/MachO.h Tue May 17 12:13:50 2016
@@ -1677,13 +1677,6 @@ namespace llvm {
     const uint32_t x86_EXCEPTION_STATE_COUNT =
       sizeof(x86_exception_state_t) / sizeof(uint32_t);
 
-    // Define a union of all load command structs
-    #define LOAD_COMMAND_STRUCT(LCStruct) LCStruct LCStruct;
-
-    union macho_load_command {
-      #include "llvm/Support/MachO.def"
-    };
-
   } // end namespace MachO
 } // end namespace llvm
 

Modified: llvm/trunk/lib/ObjectYAML/MachOYAML.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/ObjectYAML/MachOYAML.cpp?rev=269785&r1=269784&r2=269785&view=diff
==============================================================================
--- llvm/trunk/lib/ObjectYAML/MachOYAML.cpp (original)
+++ llvm/trunk/lib/ObjectYAML/MachOYAML.cpp Tue May 17 12:13:50 2016
@@ -13,9 +13,6 @@
 
 #include "llvm/ObjectYAML/MachOYAML.h"
 #include "llvm/Support/Casting.h"
-#include "llvm/Support/Format.h"
-
-#include <string.h> // For memcpy and memset.
 
 namespace llvm {
 
@@ -23,52 +20,6 @@ MachOYAML::LoadCommand::~LoadCommand() {
 
 namespace yaml {
 
-void ScalarTraits<char_16>::output(const char_16 &Val, void *,
-                                   llvm::raw_ostream &Out) {
-  Out << Val;
-}
-
-StringRef ScalarTraits<char_16>::input(StringRef Scalar, void *, char_16 &Val) {
-  size_t CopySize = 16 >= Scalar.size() ? 16 : Scalar.size();
-  memcpy((void *)Val, Scalar.data(), CopySize);
-
-  if (Scalar.size() < 16) {
-    memset((void *)&Val[Scalar.size()], 0, 16 - Scalar.size());
-  }
-
-  return StringRef();
-}
-
-bool ScalarTraits<char_16>::mustQuote(StringRef S) { return needsQuotes(S); }
-
-void ScalarTraits<uuid_t>::output(const uuid_t &Val, void *,
-                                  llvm::raw_ostream &Out) {
-  for (int Idx = 0; Idx < 16; ++Idx) {
-    Out << format("%02" PRIX32, Val[Idx]);
-    if (Idx == 3 || Idx == 5 || Idx == 7 || Idx == 9)
-      Out << "-";
-  }
-}
-
-StringRef ScalarTraits<uuid_t>::input(StringRef Scalar, void *, uuid_t &Val) {
-  size_t OutIdx = 0;
-  for (size_t Idx = 0; Idx < Scalar.size(); ++Idx) {
-    if (Scalar[Idx] == '-' || OutIdx >= 16)
-      continue;
-    unsigned long long TempInt;
-    if (getAsUnsignedInteger(Scalar.slice(Idx, Idx + 2), 16, TempInt))
-      return "invalid number";
-    if (TempInt > 0xFF)
-      return "out of range number";
-    Val[OutIdx] = static_cast<uint8_t>(TempInt);
-    ++Idx; // increment idx an extra time because we're consuming 2 chars
-    ++OutIdx;
-  }
-  return StringRef();
-}
-
-bool ScalarTraits<uuid_t>::mustQuote(StringRef S) { return needsQuotes(S); }
-
 void MappingTraits<MachOYAML::FileHeader>::mapping(
     IO &IO, MachOYAML::FileHeader &FileHdr) {
   IO.mapRequired("magic", FileHdr.magic);
@@ -95,311 +46,12 @@ void MappingTraits<MachOYAML::Object>::m
   IO.setContext(nullptr);
 }
 
-void MappingTraits<MachOYAML::LoadCommand>::mapping(
-    IO &IO, MachOYAML::LoadCommand &LoadCommand) {
-  IO.mapRequired(
-      "cmd",
-      (MachO::LoadCommandType &)LoadCommand.load_command_data.load_command.cmd);
-  IO.mapRequired("cmdsize", LoadCommand.load_command_data.load_command.cmdsize);
-
-#define HANDLE_LOAD_COMMAND(LCName, LCValue, LCStruct)                         \
-  case MachO::LCName:                                                          \
-    MappingTraits<MachO::LCStruct>::mapping(                                   \
-        IO, LoadCommand.load_command_data.LCStruct);                           \
-    break;
-
-  switch (LoadCommand.load_command_data.load_command.cmd) {
-#include "llvm/Support/MachO.def"
-  }
-}
-
-void MappingTraits<MachO::dyld_info_command>::mapping(
-    IO &IO, MachO::dyld_info_command &LoadCommand) {
-  IO.mapRequired("rebase_off", LoadCommand.rebase_off);
-  IO.mapRequired("rebase_size", LoadCommand.rebase_size);
-  IO.mapRequired("bind_off", LoadCommand.bind_size);
-  IO.mapRequired("weak_bind_off", LoadCommand.weak_bind_off);
-  IO.mapRequired("weak_bind_size", LoadCommand.weak_bind_size);
-  IO.mapRequired("lazy_bind_off", LoadCommand.lazy_bind_size);
-  IO.mapRequired("export_off", LoadCommand.export_off);
-  IO.mapRequired("export_size", LoadCommand.export_size);
-}
-
-void MappingTraits<MachO::dylib>::mapping(IO &IO, MachO::dylib &DylibStruct) {
-  IO.mapRequired("name", DylibStruct.name);
-  IO.mapRequired("timestamp", DylibStruct.timestamp);
-  IO.mapRequired("current_version", DylibStruct.current_version);
-  IO.mapRequired("compatibility_version", DylibStruct.compatibility_version);
-}
-
-void MappingTraits<MachO::dylib_command>::mapping(
-    IO &IO, MachO::dylib_command &LoadCommand) {
-  IO.mapRequired("dylib", LoadCommand.dylib);
-}
-
-void MappingTraits<MachO::dylinker_command>::mapping(
-    IO &IO, MachO::dylinker_command &LoadCommand) {
-
-  IO.mapRequired("name", LoadCommand.name);
-}
-
-void MappingTraits<MachO::dysymtab_command>::mapping(
-    IO &IO, MachO::dysymtab_command &LoadCommand) {
-
-  IO.mapRequired("ilocalsym", LoadCommand.ilocalsym);
-  IO.mapRequired("nlocalsym", LoadCommand.nlocalsym);
-  IO.mapRequired("iextdefsym", LoadCommand.iextdefsym);
-  IO.mapRequired("nextdefsym", LoadCommand.nextdefsym);
-  IO.mapRequired("iundefsym", LoadCommand.iundefsym);
-  IO.mapRequired("nundefsym", LoadCommand.nundefsym);
-  IO.mapRequired("tocoff", LoadCommand.tocoff);
-  IO.mapRequired("ntoc", LoadCommand.ntoc);
-  IO.mapRequired("modtaboff", LoadCommand.modtaboff);
-  IO.mapRequired("nmodtab", LoadCommand.nmodtab);
-  IO.mapRequired("extrefsymoff", LoadCommand.extrefsymoff);
-  IO.mapRequired("nextrefsyms", LoadCommand.nextrefsyms);
-  IO.mapRequired("indirectsymoff", LoadCommand.indirectsymoff);
-  IO.mapRequired("nindirectsyms", LoadCommand.nindirectsyms);
-  IO.mapRequired("extreloff", LoadCommand.extreloff);
-  IO.mapRequired("nextrel", LoadCommand.nextrel);
-  IO.mapRequired("locreloff", LoadCommand.locreloff);
-  IO.mapRequired("nlocrel", LoadCommand.nlocrel);
-}
-
-void MappingTraits<MachO::encryption_info_command>::mapping(
-    IO &IO, MachO::encryption_info_command &LoadCommand) {
-
-  IO.mapRequired("cryptoff", LoadCommand.cryptoff);
-  IO.mapRequired("cryptsize", LoadCommand.cryptsize);
-  IO.mapRequired("cryptid", LoadCommand.cryptid);
-}
-
-void MappingTraits<MachO::encryption_info_command_64>::mapping(
-    IO &IO, MachO::encryption_info_command_64 &LoadCommand) {
-
-  IO.mapRequired("cryptoff", LoadCommand.cryptoff);
-  IO.mapRequired("cryptsize", LoadCommand.cryptsize);
-  IO.mapRequired("cryptid", LoadCommand.cryptid);
-  IO.mapRequired("pad", LoadCommand.pad);
-}
-
-void MappingTraits<MachO::entry_point_command>::mapping(
-    IO &IO, MachO::entry_point_command &LoadCommand) {
-
-  IO.mapRequired("entryoff", LoadCommand.entryoff);
-  IO.mapRequired("stacksize", LoadCommand.stacksize);
-}
-
-void MappingTraits<MachO::fvmfile_command>::mapping(
-    IO &IO, MachO::fvmfile_command &LoadCommand) {
-
-  IO.mapRequired("name", LoadCommand.name);
-  IO.mapRequired("header_addr", LoadCommand.header_addr);
-}
-
-void MappingTraits<MachO::fvmlib>::mapping(IO &IO, MachO::fvmlib &FVMLib) {
-  IO.mapRequired("name", FVMLib.name);
-  IO.mapRequired("minor_version", FVMLib.minor_version);
-  IO.mapRequired("header_addr", FVMLib.header_addr);
-}
-
-void MappingTraits<MachO::fvmlib_command>::mapping(
-    IO &IO, MachO::fvmlib_command &LoadCommand) {
-
-  IO.mapRequired("fvmlib", LoadCommand.fvmlib);
-}
-
-void MappingTraits<MachO::ident_command>::mapping(
-    IO &IO, MachO::ident_command &LoadCommand) {}
-
-void MappingTraits<MachO::linkedit_data_command>::mapping(
-    IO &IO, MachO::linkedit_data_command &LoadCommand) {
-
-  IO.mapRequired("dataoff", LoadCommand.dataoff);
-  IO.mapRequired("datasize", LoadCommand.datasize);
-}
-
-void MappingTraits<MachO::linker_option_command>::mapping(
-    IO &IO, MachO::linker_option_command &LoadCommand) {
-
-  IO.mapRequired("count", LoadCommand.count);
-}
-
-void MappingTraits<MachO::prebind_cksum_command>::mapping(
-    IO &IO, MachO::prebind_cksum_command &LoadCommand) {
-
-  IO.mapRequired("cksum", LoadCommand.cksum);
-}
-
-void MappingTraits<MachO::load_command>::mapping(
-    IO &IO, MachO::load_command &LoadCommand) {}
-
-void MappingTraits<MachO::prebound_dylib_command>::mapping(
-    IO &IO, MachO::prebound_dylib_command &LoadCommand) {
-
-  IO.mapRequired("name", LoadCommand.name);
-  IO.mapRequired("nmodules", LoadCommand.nmodules);
-  IO.mapRequired("linked_modules", LoadCommand.linked_modules);
-}
-
-void MappingTraits<MachO::routines_command>::mapping(
-    IO &IO, MachO::routines_command &LoadCommand) {
-
-  IO.mapRequired("init_address", LoadCommand.init_address);
-  IO.mapRequired("init_module", LoadCommand.init_module);
-  IO.mapRequired("reserved1", LoadCommand.reserved1);
-  IO.mapRequired("reserved2", LoadCommand.reserved2);
-  IO.mapRequired("reserved3", LoadCommand.reserved3);
-  IO.mapRequired("reserved4", LoadCommand.reserved4);
-  IO.mapRequired("reserved5", LoadCommand.reserved5);
-  IO.mapRequired("reserved6", LoadCommand.reserved6);
-}
-
-void MappingTraits<MachO::routines_command_64>::mapping(
-    IO &IO, MachO::routines_command_64 &LoadCommand) {
-
-  IO.mapRequired("init_address", LoadCommand.init_address);
-  IO.mapRequired("init_module", LoadCommand.init_module);
-  IO.mapRequired("reserved1", LoadCommand.reserved1);
-  IO.mapRequired("reserved2", LoadCommand.reserved2);
-  IO.mapRequired("reserved3", LoadCommand.reserved3);
-  IO.mapRequired("reserved4", LoadCommand.reserved4);
-  IO.mapRequired("reserved5", LoadCommand.reserved5);
-  IO.mapRequired("reserved6", LoadCommand.reserved6);
-}
-
-void MappingTraits<MachO::rpath_command>::mapping(
-    IO &IO, MachO::rpath_command &LoadCommand) {
-
-  IO.mapRequired("path", LoadCommand.path);
-}
-
-void MappingTraits<MachO::section>::mapping(IO &IO, MachO::section &Section) {
-  IO.mapRequired("sectname", Section.sectname);
-  IO.mapRequired("segname", Section.segname);
-  IO.mapRequired("addr", Section.addr);
-  IO.mapRequired("size", Section.size);
-  IO.mapRequired("offset", Section.offset);
-  IO.mapRequired("align", Section.align);
-  IO.mapRequired("reloff", Section.reloff);
-  IO.mapRequired("nreloc", Section.nreloc);
-  IO.mapRequired("flags", Section.flags);
-  IO.mapRequired("reserved1", Section.reserved1);
-  IO.mapRequired("reserved2", Section.reserved2);
-}
-
-void MappingTraits<MachO::section_64>::mapping(IO &IO,
-                                               MachO::section_64 &Section) {
-  IO.mapRequired("sectname", Section.sectname);
-  IO.mapRequired("segname", Section.segname);
-  IO.mapRequired("addr", Section.addr);
-  IO.mapRequired("size", Section.size);
-  IO.mapRequired("offset", Section.offset);
-  IO.mapRequired("align", Section.align);
-  IO.mapRequired("reloff", Section.reloff);
-  IO.mapRequired("nreloc", Section.nreloc);
-  IO.mapRequired("flags", Section.flags);
-  IO.mapRequired("reserved1", Section.reserved1);
-  IO.mapRequired("reserved2", Section.reserved2);
-  IO.mapRequired("reserved3", Section.reserved3);
-}
-
-void MappingTraits<MachO::segment_command>::mapping(
-    IO &IO, MachO::segment_command &LoadCommand) {
-
-  IO.mapRequired("segname", LoadCommand.segname);
-  IO.mapRequired("vmaddr", LoadCommand.vmaddr);
-  IO.mapRequired("vmsize", LoadCommand.vmsize);
-  IO.mapRequired("fileoff", LoadCommand.fileoff);
-  IO.mapRequired("filesize", LoadCommand.filesize);
-  IO.mapRequired("maxprot", LoadCommand.maxprot);
-  IO.mapRequired("initprot", LoadCommand.initprot);
-  IO.mapRequired("nsects", LoadCommand.nsects);
-  IO.mapRequired("flags", LoadCommand.flags);
-}
-
-void MappingTraits<MachO::segment_command_64>::mapping(
-    IO &IO, MachO::segment_command_64 &LoadCommand) {
-
-  IO.mapRequired("segname", LoadCommand.segname);
-  IO.mapRequired("vmaddr", LoadCommand.vmaddr);
-  IO.mapRequired("vmsize", LoadCommand.vmsize);
-  IO.mapRequired("fileoff", LoadCommand.fileoff);
-  IO.mapRequired("filesize", LoadCommand.filesize);
-  IO.mapRequired("maxprot", LoadCommand.maxprot);
-  IO.mapRequired("initprot", LoadCommand.initprot);
-  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("cmdsize", LoadCommand.cmdsize);
-  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);
+void MappingTraits<std::unique_ptr<MachOYAML::LoadCommand>>::mapping(
+    IO &IO, std::unique_ptr<MachOYAML::LoadCommand> &LoadCommand) {
+  if (!IO.outputting())
+    LoadCommand.reset(new MachOYAML::LoadCommand());
+  IO.mapRequired("cmd", LoadCommand->cmd);
+  IO.mapRequired("cmdsize", LoadCommand->cmdsize);
 }
 
 } // namespace llvm::yaml

Modified: llvm/trunk/test/ObjectYAML/MachO/load_commands.yaml
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/ObjectYAML/MachO/load_commands.yaml?rev=269785&r1=269784&r2=269785&view=diff
==============================================================================
--- llvm/trunk/test/ObjectYAML/MachO/load_commands.yaml (original)
+++ llvm/trunk/test/ObjectYAML/MachO/load_commands.yaml Tue May 17 12:13:50 2016
@@ -13,128 +13,39 @@ FileHeader:
 LoadCommands:    
   - cmd:             LC_SEGMENT_64
     cmdsize:         72
-    segname:         __PAGEZERO
-    vmaddr:          0
-    vmsize:          4294967296
-    fileoff:         0
-    filesize:        0
-    maxprot:         0
-    initprot:        0
-    nsects:          0
-    flags:           0
   - cmd:             LC_SEGMENT_64
     cmdsize:         552
-    segname:         __TEXT
-    vmaddr:          4294967296
-    vmsize:          8192
-    fileoff:         0
-    filesize:        8192
-    maxprot:         7
-    initprot:        5
-    nsects:          6
-    flags:           0
   - cmd:             LC_SEGMENT_64
     cmdsize:         312
-    segname:         __DATA
-    vmaddr:          4294975488
-    vmsize:          4096
-    fileoff:         8192
-    filesize:        4096
-    maxprot:         7
-    initprot:        3
-    nsects:          3
-    flags:           0
   - cmd:             LC_SEGMENT_64
     cmdsize:         72
-    segname:         __LINKEDIT
-    vmaddr:          4294979584
-    vmsize:          4096
-    fileoff:         12288
-    filesize:        2508
-    maxprot:         7
-    initprot:        1
-    nsects:          0
-    flags:           0
   - cmd:             LC_DYLD_INFO_ONLY
     cmdsize:         48
-    rebase_off:      12288
-    rebase_size:     8
-    bind_off:        96
-    weak_bind_off:   0
-    weak_bind_size:  0
-    lazy_bind_off:   624
-    export_off:      13016
-    export_size:     48
   - cmd:             LC_SYMTAB
     cmdsize:         24
-    symoff:          13080
-    nsyms:           30
-    stroff:          13700
-    strsize:         1096
   - cmd:             LC_DYSYMTAB
     cmdsize:         80
-    ilocalsym:       0
-    nlocalsym:       9
-    iextdefsym:      9
-    nextdefsym:      2
-    iundefsym:       11
-    nundefsym:       19
-    tocoff:          0
-    ntoc:            0
-    modtaboff:       0
-    nmodtab:         0
-    extrefsymoff:    0
-    nextrefsyms:     0
-    indirectsymoff:  13560
-    nindirectsyms:   35
-    extreloff:       0
-    nextrel:         0
-    locreloff:       0
-    nlocrel:         0
   - cmd:             LC_LOAD_DYLINKER
     cmdsize:         32
-    name:            12
   - cmd:             LC_UUID
     cmdsize:         24
-    cmdsize:         24
-    uuid:            461A1B28-822F-3F38-B670-645419E636F5
   - cmd:             LC_VERSION_MIN_MACOSX
     cmdsize:         16
-    version:         658176
-    sdk:             658176
   - cmd:             LC_SOURCE_VERSION
     cmdsize:         16
-    version:         0
   - cmd:             LC_MAIN
     cmdsize:         24
-    entryoff:        4448
-    stacksize:       0
   - cmd:             LC_LOAD_DYLIB
     cmdsize:         48
-    dylib:           
-      name:            24
-      timestamp:       2
-      current_version: 7864576
-      compatibility_version: 65536
   - cmd:             LC_LOAD_DYLIB
     cmdsize:         56
-    dylib:           
-      name:            24
-      timestamp:       2
-      current_version: 80349697
-      compatibility_version: 65536
   - cmd:             LC_FUNCTION_STARTS
     cmdsize:         16
-    dataoff:         13064
-    datasize:        16
   - cmd:             LC_DATA_IN_CODE
     cmdsize:         16
-    dataoff:         13080
-    datasize:        0
 ...
 
 
-
 # CHECK: LoadCommands:    
 # CHECK:   - cmd:             LC_SEGMENT_64
 # CHECK:     cmdsize:         72

Modified: llvm/trunk/tools/obj2yaml/macho2yaml.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/obj2yaml/macho2yaml.cpp?rev=269785&r1=269784&r2=269785&view=diff
==============================================================================
--- llvm/trunk/tools/obj2yaml/macho2yaml.cpp (original)
+++ llvm/trunk/tools/obj2yaml/macho2yaml.cpp Tue May 17 12:13:50 2016
@@ -9,9 +9,9 @@
 
 #include "Error.h"
 #include "obj2yaml.h"
+#include "llvm/Support/ErrorHandling.h"
 #include "llvm/Object/MachOUniversal.h"
 #include "llvm/ObjectYAML/MachOYAML.h"
-#include "llvm/Support/ErrorHandling.h"
 
 using namespace llvm;
 
@@ -24,14 +24,6 @@ public:
   Expected<std::unique_ptr<MachOYAML::Object>> dump();
 };
 
-#define HANDLE_LOAD_COMMAND(LCName, LCValue, LCStruct)                         \
-  case MachO::LCName:                                                          \
-    memcpy((void *) & (LC.load_command_data.LCStruct), LoadCmd.Ptr,            \
-           sizeof(MachO::LCStruct));                                           \
-    if (Obj.isLittleEndian() != sys::IsLittleEndianHost)                       \
-      MachO::swapStruct(LC.load_command_data.LCStruct);                        \
-    break;
-
 Expected<std::unique_ptr<MachOYAML::Object>> MachODumper::dump() {
   auto Y = make_unique<MachOYAML::Object>();
   Y->Header.magic = Obj.getHeader().magic;
@@ -43,17 +35,10 @@ Expected<std::unique_ptr<MachOYAML::Obje
   Y->Header.flags = Obj.getHeader().flags;
   Y->Header.reserved = 0;
 
-  for (auto LoadCmd : Obj.load_commands()) {
-    MachOYAML::LoadCommand LC;
-    switch (LoadCmd.C.cmd) {
-    default:
-      memcpy((void *)&(LC.load_command_data.load_command), LoadCmd.Ptr,
-             sizeof(MachO::load_command));
-      if (Obj.isLittleEndian() != sys::IsLittleEndianHost)
-        MachO::swapStruct(LC.load_command_data.load_command);
-      break;
-#include "llvm/Support/MachO.def"
-    }
+  for (auto load_command : Obj.load_commands()) {
+    auto LC = make_unique<MachOYAML::LoadCommand>();
+    LC->cmd = static_cast<MachO::LoadCommandType>(load_command.C.cmd);
+    LC->cmdsize = load_command.C.cmdsize;
     Y->LoadCommands.push_back(std::move(LC));
   }
 

Modified: llvm/trunk/tools/yaml2obj/yaml2macho.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/yaml2obj/yaml2macho.cpp?rev=269785&r1=269784&r2=269785&view=diff
==============================================================================
--- llvm/trunk/tools/yaml2obj/yaml2macho.cpp (original)
+++ llvm/trunk/tools/yaml2obj/yaml2macho.cpp Tue May 17 12:13:50 2016
@@ -79,33 +79,17 @@ Error MachOWriter::writeHeader(raw_ostre
 
 Error MachOWriter::writeLoadCommands(raw_ostream &OS) {
   for (auto &LC : Obj.LoadCommands) {
-    size_t BytesWritten = 0;
-#define HANDLE_LOAD_COMMAND(LCName, LCValue, LCStruct)                         \
-  case MachO::LCName:                                                          \
-    OS.write(reinterpret_cast<const char *>(&(LC.load_command_data.LCStruct)), \
-             sizeof(MachO::LCStruct));                                         \
-    BytesWritten = sizeof(MachO::LCStruct);                                    \
-    break;
-
-    switch (LC.load_command_data.load_command.cmd) {
-    default:
-      OS.write(
-          reinterpret_cast<const char *>(&(LC.load_command_data.load_command)),
-          sizeof(MachO::load_command));
-      BytesWritten = sizeof(MachO::load_command);
-      break;
-#include "llvm/Support/MachO.def"
-    }
-
-    auto BytesRemaining =
-        LC.load_command_data.load_command.cmdsize - BytesWritten;
-    if (BytesRemaining > 0) {
+    MachO::load_command LCTemp;
+    LCTemp.cmd = LC->cmd;
+    LCTemp.cmdsize = LC->cmdsize;
+    OS.write(reinterpret_cast<const char *>(&LCTemp),
+             sizeof(MachO::load_command));
+    auto remaining_size = LC->cmdsize - sizeof(MachO::load_command);
+    if (remaining_size > 0) {
       // TODO: Replace all this once the load command data is present in yaml.
-      // For now I fill with 0xDEADBEEF because it is easy to spot on a hex
-      // viewer.
-      std::vector<uint32_t> FillData;
-      FillData.insert(FillData.begin(), BytesRemaining / 4 + 1, 0xDEADBEEFu);
-      OS.write(reinterpret_cast<char *>(FillData.data()), BytesRemaining);
+      std::vector<char> fill_data;
+      fill_data.insert(fill_data.begin(), remaining_size, 0);
+      OS.write(fill_data.data(), remaining_size);
     }
   }
   return Error::success();




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