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//===-- ObjectFileXCOFF.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_XCOFF_OBJECTFILEXCOFF_H
#define LLDB_SOURCE_PLUGINS_OBJECTFILE_XCOFF_OBJECTFILEXCOFF_H
#include "lldb/Symbol/ObjectFile.h"
#include "lldb/Utility/ArchSpec.h"
#include "lldb/Utility/FileSpec.h"
#include "lldb/Utility/UUID.h"
#include "lldb/lldb-private.h"
#include "llvm/Object/XCOFFObjectFile.h"
#include <cstdint>
#include <vector>
/// \class ObjectFileXCOFF
/// Generic XCOFF object file reader.
///
/// This class provides a generic XCOFF (32/64 bit) reader plugin implementing
/// the ObjectFile protocol.
class ObjectFileXCOFF : public lldb_private::ObjectFile {
public:
// Static Functions
static void Initialize();
static void Terminate();
static llvm::StringRef GetPluginNameStatic() { return "xcoff"; }
static llvm::StringRef GetPluginDescriptionStatic() {
return "XCOFF 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_addr);
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);
static bool MagicBytesMatch(lldb::DataBufferSP &data_sp, lldb::addr_t offset,
lldb::addr_t length);
// PluginInterface protocol
llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
// ObjectFile Protocol.
bool ParseHeader() override;
lldb::ByteOrder GetByteOrder() const override;
bool IsExecutable() const override;
uint32_t GetAddressByteSize() const override;
lldb_private::AddressClass GetAddressClass(lldb::addr_t file_addr) override;
void ParseSymtab(lldb_private::Symtab &symtab) override;
bool IsStripped() override;
void CreateSections(lldb_private::SectionList &unified_section_list) override;
void Dump(lldb_private::Stream *s) override;
lldb_private::ArchSpec GetArchitecture() override;
lldb_private::UUID GetUUID() override;
uint32_t GetDependentModules(lldb_private::FileSpecList &files) override;
ObjectFile::Type CalculateType() override;
ObjectFile::Strata CalculateStrata() override;
ObjectFileXCOFF(const lldb::ModuleSP &module_sp, lldb::DataBufferSP data_sp,
lldb::offset_t data_offset,
const lldb_private::FileSpec *file, lldb::offset_t offset,
lldb::offset_t length);
ObjectFileXCOFF(const lldb::ModuleSP &module_sp,
lldb::DataBufferSP header_data_sp,
const lldb::ProcessSP &process_sp, lldb::addr_t header_addr);
protected:
static lldb::WritableDataBufferSP
MapFileDataWritable(const lldb_private::FileSpec &file, uint64_t Size,
uint64_t Offset);
private:
bool CreateBinary();
template <typename T>
void
CreateSectionsWithBitness(lldb_private::SectionList &unified_section_list);
struct XCOFF32 {
using SectionHeader = llvm::object::XCOFFSectionHeader32;
static constexpr bool Is64Bit = false;
};
struct XCOFF64 {
using SectionHeader = llvm::object::XCOFFSectionHeader64;
static constexpr bool Is64Bit = true;
};
std::unique_ptr<llvm::object::XCOFFObjectFile> m_binary;
};
#endif // LLDB_SOURCE_PLUGINS_OBJECTFILE_XCOFF_OBJECTFILE_H
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