llvm-6502/include/llvm/Object/COFFYAML.h
David Majnemer 237544b16d obj2yaml, yaml2obj: Add support for COFF executables
In support of serializing executables, obj2yaml now records the virtual address
and size of sections.  It also serializes whatever we strictly need from
the PE header, it expects that it can reconstitute everything else via
inference.

yaml2obj can reconstitute a fully linked executable.

In order to get executables correctly serialized/deserialized, other
bugs were fixed as a circumstance.  We now properly respect file and
section alignments.  We also avoid writing out string tables unless they
are strictly necessary.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221975 91177308-0d34-0410-b5e6-96231b3b80d8
2014-11-14 08:15:42 +00:00

224 lines
6.2 KiB
C++

//===- COFFYAML.h - COFF YAMLIO implementation ------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares classes for handling the YAML representation of COFF.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_OBJECT_COFFYAML_H
#define LLVM_OBJECT_COFFYAML_H
#include "llvm/ADT/Optional.h"
#include "llvm/MC/YAML.h"
#include "llvm/Support/COFF.h"
namespace llvm {
namespace COFF {
inline Characteristics operator|(Characteristics a, Characteristics b) {
uint32_t Ret = static_cast<uint32_t>(a) | static_cast<uint32_t>(b);
return static_cast<Characteristics>(Ret);
}
inline SectionCharacteristics operator|(SectionCharacteristics a,
SectionCharacteristics b) {
uint32_t Ret = static_cast<uint32_t>(a) | static_cast<uint32_t>(b);
return static_cast<SectionCharacteristics>(Ret);
}
inline DLLCharacteristics operator|(DLLCharacteristics a,
DLLCharacteristics b) {
uint16_t Ret = static_cast<uint16_t>(a) | static_cast<uint16_t>(b);
return static_cast<DLLCharacteristics>(Ret);
}
}
// The structure of the yaml files is not an exact 1:1 match to COFF. In order
// to use yaml::IO, we use these structures which are closer to the source.
namespace COFFYAML {
LLVM_YAML_STRONG_TYPEDEF(uint8_t, COMDATType)
LLVM_YAML_STRONG_TYPEDEF(uint32_t, WeakExternalCharacteristics)
LLVM_YAML_STRONG_TYPEDEF(uint8_t, AuxSymbolType)
struct Relocation {
uint32_t VirtualAddress;
uint16_t Type;
StringRef SymbolName;
};
struct Section {
COFF::section Header;
unsigned Alignment;
yaml::BinaryRef SectionData;
std::vector<Relocation> Relocations;
StringRef Name;
Section();
};
struct Symbol {
COFF::symbol Header;
COFF::SymbolBaseType SimpleType;
COFF::SymbolComplexType ComplexType;
Optional<COFF::AuxiliaryFunctionDefinition> FunctionDefinition;
Optional<COFF::AuxiliarybfAndefSymbol> bfAndefSymbol;
Optional<COFF::AuxiliaryWeakExternal> WeakExternal;
StringRef File;
Optional<COFF::AuxiliarySectionDefinition> SectionDefinition;
Optional<COFF::AuxiliaryCLRToken> CLRToken;
StringRef Name;
Symbol();
};
struct PEHeader {
COFF::PE32Header Header;
Optional<COFF::DataDirectory> DataDirectories[COFF::NUM_DATA_DIRECTORIES];
};
struct Object {
Optional<PEHeader> OptionalHeader;
COFF::header Header;
std::vector<Section> Sections;
std::vector<Symbol> Symbols;
Object();
};
}
}
LLVM_YAML_IS_SEQUENCE_VECTOR(COFFYAML::Section)
LLVM_YAML_IS_SEQUENCE_VECTOR(COFFYAML::Symbol)
LLVM_YAML_IS_SEQUENCE_VECTOR(COFFYAML::Relocation)
namespace llvm {
namespace yaml {
template <>
struct ScalarEnumerationTraits<COFFYAML::WeakExternalCharacteristics> {
static void enumeration(IO &IO, COFFYAML::WeakExternalCharacteristics &Value);
};
template <>
struct ScalarEnumerationTraits<COFFYAML::AuxSymbolType> {
static void enumeration(IO &IO, COFFYAML::AuxSymbolType &Value);
};
template <>
struct ScalarEnumerationTraits<COFFYAML::COMDATType> {
static void enumeration(IO &IO, COFFYAML::COMDATType &Value);
};
template <>
struct ScalarEnumerationTraits<COFF::MachineTypes> {
static void enumeration(IO &IO, COFF::MachineTypes &Value);
};
template <>
struct ScalarEnumerationTraits<COFF::SymbolBaseType> {
static void enumeration(IO &IO, COFF::SymbolBaseType &Value);
};
template <>
struct ScalarEnumerationTraits<COFF::SymbolStorageClass> {
static void enumeration(IO &IO, COFF::SymbolStorageClass &Value);
};
template <>
struct ScalarEnumerationTraits<COFF::SymbolComplexType> {
static void enumeration(IO &IO, COFF::SymbolComplexType &Value);
};
template <>
struct ScalarEnumerationTraits<COFF::RelocationTypeI386> {
static void enumeration(IO &IO, COFF::RelocationTypeI386 &Value);
};
template <>
struct ScalarEnumerationTraits<COFF::RelocationTypeAMD64> {
static void enumeration(IO &IO, COFF::RelocationTypeAMD64 &Value);
};
template <>
struct ScalarEnumerationTraits<COFF::WindowsSubsystem> {
static void enumeration(IO &IO, COFF::WindowsSubsystem &Value);
};
template <>
struct ScalarBitSetTraits<COFF::Characteristics> {
static void bitset(IO &IO, COFF::Characteristics &Value);
};
template <>
struct ScalarBitSetTraits<COFF::SectionCharacteristics> {
static void bitset(IO &IO, COFF::SectionCharacteristics &Value);
};
template <>
struct ScalarBitSetTraits<COFF::DLLCharacteristics> {
static void bitset(IO &IO, COFF::DLLCharacteristics &Value);
};
template <>
struct MappingTraits<COFFYAML::Relocation> {
static void mapping(IO &IO, COFFYAML::Relocation &Rel);
};
template <>
struct MappingTraits<COFFYAML::PEHeader> {
static void mapping(IO &IO, COFFYAML::PEHeader &PH);
};
template <>
struct MappingTraits<COFF::DataDirectory> {
static void mapping(IO &IO, COFF::DataDirectory &DD);
};
template <>
struct MappingTraits<COFF::header> {
static void mapping(IO &IO, COFF::header &H);
};
template <> struct MappingTraits<COFF::AuxiliaryFunctionDefinition> {
static void mapping(IO &IO, COFF::AuxiliaryFunctionDefinition &AFD);
};
template <> struct MappingTraits<COFF::AuxiliarybfAndefSymbol> {
static void mapping(IO &IO, COFF::AuxiliarybfAndefSymbol &AAS);
};
template <> struct MappingTraits<COFF::AuxiliaryWeakExternal> {
static void mapping(IO &IO, COFF::AuxiliaryWeakExternal &AWE);
};
template <> struct MappingTraits<COFF::AuxiliarySectionDefinition> {
static void mapping(IO &IO, COFF::AuxiliarySectionDefinition &ASD);
};
template <> struct MappingTraits<COFF::AuxiliaryCLRToken> {
static void mapping(IO &IO, COFF::AuxiliaryCLRToken &ACT);
};
template <>
struct MappingTraits<COFFYAML::Symbol> {
static void mapping(IO &IO, COFFYAML::Symbol &S);
};
template <>
struct MappingTraits<COFFYAML::Section> {
static void mapping(IO &IO, COFFYAML::Section &Sec);
};
template <>
struct MappingTraits<COFFYAML::Object> {
static void mapping(IO &IO, COFFYAML::Object &Obj);
};
} // end namespace yaml
} // end namespace llvm
#endif