[llvm] r269782 - [obj2yaml] [yaml2obj] Support for MachO load command structures
Chris Bieneman via llvm-commits
llvm-commits at lists.llvm.org
Tue May 17 10:03:28 PDT 2016
Author: cbieneman
Date: Tue May 17 12:03:28 2016
New Revision: 269782
URL: http://llvm.org/viewvc/llvm-project?rev=269782&view=rev
Log:
[obj2yaml] [yaml2obj] Support for MachO load command structures
This adds support for all the MachO *_command structures. The load_command payloads still are not represented, but that will come next.
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=269782&r1=269781&r2=269782&view=diff
==============================================================================
--- llvm/trunk/include/llvm/ObjectYAML/MachOYAML.h (original)
+++ llvm/trunk/include/llvm/ObjectYAML/MachOYAML.h Tue May 17 12:03:28 2016
@@ -35,19 +35,18 @@ struct FileHeader {
struct LoadCommand {
virtual ~LoadCommand();
- MachO::LoadCommandType cmd;
- uint32_t cmdsize;
+ llvm::MachO::macho_load_command load_command_data;
};
struct Object {
FileHeader Header;
- std::vector<std::unique_ptr<LoadCommand>> LoadCommands;
+ std::vector<LoadCommand> LoadCommands;
};
} // namespace llvm::MachOYAML
} // namespace llvm
-LLVM_YAML_IS_SEQUENCE_VECTOR(std::unique_ptr<llvm::MachOYAML::LoadCommand>)
+LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::MachOYAML::LoadCommand)
namespace llvm {
namespace yaml {
@@ -60,12 +59,11 @@ template <> struct MappingTraits<MachOYA
static void mapping(IO &IO, MachOYAML::Object &Object);
};
-template <> struct MappingTraits<std::unique_ptr<MachOYAML::LoadCommand>> {
- static void mapping(IO &IO,
- std::unique_ptr<MachOYAML::LoadCommand> &LoadCommand);
+template <> struct MappingTraits<MachOYAML::LoadCommand> {
+ static void mapping(IO &IO, 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> {
@@ -74,7 +72,52 @@ template <> struct ScalarEnumerationTrai
}
};
-#undef HANDLE_LOAD_COMMAND
+// 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);
+};
} // 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=269782&r1=269781&r2=269782&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Support/MachO.def (original)
+++ llvm/trunk/include/llvm/Support/MachO.def Tue May 17 12:03:28 2016
@@ -11,9 +11,7 @@
//
//,,,----------------------------------------------------------------------,,,//
-#ifndef HANDLE_LOAD_COMMAND
-#define HANDLE_LOAD_COMMAND(LCName, LCValue, LCStruct)
-#endif
+#ifdef HANDLE_LOAD_COMMAND
HANDLE_LOAD_COMMAND(LC_SEGMENT, 0x00000001u, segment_command)
HANDLE_LOAD_COMMAND(LC_SYMTAB, 0x00000002u, symtab_command)
@@ -65,3 +63,44 @@ 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=269782&r1=269781&r2=269782&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Support/MachO.h (original)
+++ llvm/trunk/include/llvm/Support/MachO.h Tue May 17 12:03:28 2016
@@ -1677,6 +1677,13 @@ 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=269782&r1=269781&r2=269782&view=diff
==============================================================================
--- llvm/trunk/lib/ObjectYAML/MachOYAML.cpp (original)
+++ llvm/trunk/lib/ObjectYAML/MachOYAML.cpp Tue May 17 12:03:28 2016
@@ -13,6 +13,9 @@
#include "llvm/ObjectYAML/MachOYAML.h"
#include "llvm/Support/Casting.h"
+#include "llvm/Support/Format.h"
+
+#include <string.h> // For memcpy and memset.
namespace llvm {
@@ -20,6 +23,52 @@ 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);
@@ -46,12 +95,311 @@ void MappingTraits<MachOYAML::Object>::m
IO.setContext(nullptr);
}
-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);
+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);
}
} // 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=269782&r1=269781&r2=269782&view=diff
==============================================================================
--- llvm/trunk/test/ObjectYAML/MachO/load_commands.yaml (original)
+++ llvm/trunk/test/ObjectYAML/MachO/load_commands.yaml Tue May 17 12:03:28 2016
@@ -13,39 +13,128 @@ 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=269782&r1=269781&r2=269782&view=diff
==============================================================================
--- llvm/trunk/tools/obj2yaml/macho2yaml.cpp (original)
+++ llvm/trunk/tools/obj2yaml/macho2yaml.cpp Tue May 17 12:03:28 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;
@@ -24,6 +24,14 @@ 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;
@@ -35,10 +43,17 @@ Expected<std::unique_ptr<MachOYAML::Obje
Y->Header.flags = Obj.getHeader().flags;
Y->Header.reserved = 0;
- 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;
+ 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"
+ }
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=269782&r1=269781&r2=269782&view=diff
==============================================================================
--- llvm/trunk/tools/yaml2obj/yaml2macho.cpp (original)
+++ llvm/trunk/tools/yaml2obj/yaml2macho.cpp Tue May 17 12:03:28 2016
@@ -79,17 +79,33 @@ Error MachOWriter::writeHeader(raw_ostre
Error MachOWriter::writeLoadCommands(raw_ostream &OS) {
for (auto &LC : Obj.LoadCommands) {
- 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) {
+ 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) {
// TODO: Replace all this once the load command data is present in yaml.
- std::vector<char> fill_data;
- fill_data.insert(fill_data.begin(), remaining_size, 0);
- OS.write(fill_data.data(), remaining_size);
+ // 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);
}
}
return Error::success();
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