llvm/lldb/source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.cpp

//===-- ObjectContainerBSDArchive.cpp -------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

#include "ObjectContainerBSDArchive.h"

#if defined(_WIN32) || defined(__ANDROID__)
// Defines from ar, missing on Windows
#define SARMAG …
#define ARFMAG …

typedef struct ar_hdr {
  char ar_name[16];
  char ar_date[12];
  char ar_uid[6], ar_gid[6];
  char ar_mode[8];
  char ar_size[10];
  char ar_fmag[2];
} ar_hdr;
#else
#include <ar.h>
#endif

#include "lldb/Core/Module.h"
#include "lldb/Core/ModuleSpec.h"
#include "lldb/Core/PluginManager.h"
#include "lldb/Host/FileSystem.h"
#include "lldb/Symbol/ObjectFile.h"
#include "lldb/Utility/ArchSpec.h"
#include "lldb/Utility/LLDBLog.h"
#include "lldb/Utility/Stream.h"
#include "lldb/Utility/Timer.h"

#include "llvm/Object/Archive.h"
#include "llvm/Support/MemoryBuffer.h"

usingnamespacelldb;
usingnamespacelldb_private;

usingnamespacellvm::object;

LLDB_PLUGIN_DEFINE(…)

ObjectContainerBSDArchive::Object::Object() : … { … }

void ObjectContainerBSDArchive::Object::Clear() { … }

void ObjectContainerBSDArchive::Object::Dump() const { … }

ObjectContainerBSDArchive::Archive::Archive(const lldb_private::ArchSpec &arch,
                                            const llvm::sys::TimePoint<> &time,
                                            lldb::offset_t file_offset,
                                            lldb_private::DataExtractor &data,
                                            ArchiveType archive_type)
    : … { … }

Log *l = …;
ObjectContainerBSDArchive::Archive::~Archive() = default;

size_t ObjectContainerBSDArchive::Archive::ParseObjects() { … }

ObjectContainerBSDArchive::Object *
ObjectContainerBSDArchive::Archive::FindObject(
    ConstString object_name, const llvm::sys::TimePoint<> &object_mod_time) { … }

ObjectContainerBSDArchive::Archive::shared_ptr
ObjectContainerBSDArchive::Archive::FindCachedArchive(
    const FileSpec &file, const ArchSpec &arch,
    const llvm::sys::TimePoint<> &time, lldb::offset_t file_offset) { … }

ObjectContainerBSDArchive::Archive::shared_ptr
ObjectContainerBSDArchive::Archive::ParseAndCacheArchiveForFile(
    const FileSpec &file, const ArchSpec &arch,
    const llvm::sys::TimePoint<> &time, lldb::offset_t file_offset,
    DataExtractor &data, ArchiveType archive_type) { … }

ObjectContainerBSDArchive::Archive::Map &
ObjectContainerBSDArchive::Archive::GetArchiveCache() { … }

std::recursive_mutex &
ObjectContainerBSDArchive::Archive::GetArchiveCacheMutex() { … }

void ObjectContainerBSDArchive::Initialize() { … }

void ObjectContainerBSDArchive::Terminate() { … }

ObjectContainer *ObjectContainerBSDArchive::CreateInstance(
    const lldb::ModuleSP &module_sp, DataBufferSP &data_sp,
    lldb::offset_t data_offset, const FileSpec *file,
    lldb::offset_t file_offset, lldb::offset_t length) { … }

ArchiveType
ObjectContainerBSDArchive::MagicBytesMatch(const DataExtractor &data) { … }

ObjectContainerBSDArchive::ObjectContainerBSDArchive(
    const lldb::ModuleSP &module_sp, DataBufferSP &data_sp,
    lldb::offset_t data_offset, const lldb_private::FileSpec *file,
    lldb::offset_t file_offset, lldb::offset_t size, ArchiveType archive_type)
    : … { … }

void ObjectContainerBSDArchive::SetArchive(Archive::shared_ptr &archive_sp) { … }

ObjectContainerBSDArchive::~ObjectContainerBSDArchive() = default;

bool ObjectContainerBSDArchive::ParseHeader() { … }

FileSpec GetChildFileSpecificationsFromThin(llvm::StringRef childPath,
                                            const FileSpec &parentFileSpec) { … }

ObjectFileSP ObjectContainerBSDArchive::GetObjectFile(const FileSpec *file) { … }

size_t ObjectContainerBSDArchive::GetModuleSpecifications(
    const lldb_private::FileSpec &file, lldb::DataBufferSP &data_sp,
    lldb::offset_t data_offset, lldb::offset_t file_offset,
    lldb::offset_t file_size, lldb_private::ModuleSpecList &specs) { … }