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//===-- ObjectFileCOFF.h -------------------------------------- -*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLDB_SOURCE_PLUGINS_OBJECTFILE_COFF_OBJECTFILECOFF_H
#define LLDB_SOURCE_PLUGINS_OBJECTFILE_COFF_OBJECTFILECOFF_H
#include "lldb/Symbol/ObjectFile.h"
#include "llvm/Object/COFF.h"
/// \class ObjectFileELF
/// Generic COFF object file reader.
///
/// This class provides a generic COFF reader plugin implementing the ObjectFile
/// protocol. Assumes that the COFF object format is a Microsoft style COFF
/// rather than the full generality afforded by it.
class ObjectFileCOFF : public lldb_private::ObjectFile {
std::unique_ptr<llvm::object::COFFObjectFile> m_object;
lldb_private::UUID m_uuid;
ObjectFileCOFF(std::unique_ptr<llvm::object::COFFObjectFile> object,
const lldb::ModuleSP &module_sp, lldb::DataBufferSP data_sp,
lldb::offset_t data_offset, const lldb_private::FileSpec *file,
lldb::offset_t file_offset, lldb::offset_t length)
: ObjectFile(module_sp, file, file_offset, length, data_sp, data_offset),
m_object(std::move(object)) {}
public:
~ObjectFileCOFF() override;
static void Initialize();
static void Terminate();
static llvm::StringRef GetPluginNameStatic() { return "COFF"; }
static llvm::StringRef GetPluginDescriptionStatic() {
return "COFF Object File Reader";
}
static lldb_private::ObjectFile *
CreateInstance(const lldb::ModuleSP &module_sp, lldb::DataBufferSP data_sp,
lldb::offset_t data_offset, const lldb_private::FileSpec *file,
lldb::offset_t file_offset, lldb::offset_t length);
static lldb_private::ObjectFile *
CreateMemoryInstance(const lldb::ModuleSP &module_sp,
lldb::WritableDataBufferSP data_sp,
const lldb::ProcessSP &process_sp, lldb::addr_t header);
static size_t GetModuleSpecifications(const lldb_private::FileSpec &file,
lldb::DataBufferSP &data_sp,
lldb::offset_t data_offset,
lldb::offset_t file_offset,
lldb::offset_t length,
lldb_private::ModuleSpecList &specs);
// LLVM RTTI support
static char ID;
bool isA(const void *ClassID) const override {
return ClassID == &ID || ObjectFile::isA(ClassID);
}
static bool classof(const ObjectFile *obj) { return obj->isA(&ID); }
// PluginInterface protocol
llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
// ObjectFile protocol
void Dump(lldb_private::Stream *stream) override;
uint32_t GetAddressByteSize() const override;
uint32_t GetDependentModules(lldb_private::FileSpecList &specs) override {
return 0;
}
bool IsExecutable() const override {
// COFF is an object file format only, it cannot host an executable.
return false;
}
lldb_private::ArchSpec GetArchitecture() override;
void CreateSections(lldb_private::SectionList &) override;
void ParseSymtab(lldb_private::Symtab &) override;
bool IsStripped() override {
// FIXME see if there is a good way to identify a /Z7 v /Zi or /ZI build.
return false;
}
lldb_private::UUID GetUUID() override { return m_uuid; }
lldb::ByteOrder GetByteOrder() const override {
// Microsoft always uses little endian.
return lldb::ByteOrder::eByteOrderLittle;
}
bool ParseHeader() override;
lldb_private::ObjectFile::Type CalculateType() override {
// COFF is an object file format only, it cannot host an executable.
return lldb_private::ObjectFile::eTypeObjectFile;
}
lldb_private::ObjectFile::Strata CalculateStrata() override {
// FIXME the object file may correspond to a kernel image.
return lldb_private::ObjectFile::eStrataUser;
}
};
#endif
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