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//===-- ObjectFile.cpp ------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/lldb-private.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/PluginManager.h"
#include "lldb/Core/RegularExpression.h"
#include "lldb/Core/Timer.h"
#include "lldb/Symbol/ObjectFile.h"
#include "lldb/Symbol/ObjectContainer.h"
#include "lldb/Symbol/SymbolFile.h"
using namespace lldb;
using namespace lldb_private;
ObjectFile*
ObjectFile::FindPlugin (Module* module, const FileSpec* file, lldb::addr_t file_offset, lldb::addr_t file_size)
{
Timer scoped_timer (__PRETTY_FUNCTION__,
"ObjectFile::FindPlugin (module = %s/%s, file = %p, file_offset = 0x%z8.8x, file_size = 0x%z8.8x)",
module->GetFileSpec().GetDirectory().AsCString(),
module->GetFileSpec().GetFilename().AsCString(),
file, file_offset, file_size);
std::auto_ptr<ObjectFile> object_file_ap;
if (module != NULL)
{
if (file)
{
if (file_size == 0)
file_size = file->GetByteSize();
if (file_size == 0)
{
// Check for archive file with format "/path/to/archive.a(object.o)"
char path_with_object[PATH_MAX*2];
module->GetFileSpec().GetPath(path_with_object, sizeof(path_with_object));
RegularExpression g_object_regex("(.*)\\(([^\\)]+)\\)$");
if (g_object_regex.Execute (path_with_object, 2))
{
FileSpec archive_file;
std::string path;
std::string object;
if (g_object_regex.GetMatchAtIndex (path_with_object, 1, path) &&
g_object_regex.GetMatchAtIndex (path_with_object, 2, object))
{
archive_file.SetFile (path.c_str());
file_size = archive_file.GetByteSize();
if (file_size > 0)
module->SetFileSpecAndObjectName (archive_file, ConstString(object.c_str()));
}
}
}
DataBufferSP file_header_data_sp(file->ReadFileContents(file_offset, 512));
uint32_t idx;
// Check if this is a normal object file by iterating through
// all object file plugin instances.
ObjectFileCreateInstance create_object_file_callback;
for (idx = 0; (create_object_file_callback = PluginManager::GetObjectFileCreateCallbackAtIndex(idx)) != NULL; ++idx)
{
object_file_ap.reset (create_object_file_callback(module, file_header_data_sp, file, file_offset, file_size));
if (object_file_ap.get())
return object_file_ap.release();
}
// Check if this is a object container by iterating through
// all object container plugin instances and then trying to get
// an object file from the container.
ObjectContainerCreateInstance create_object_container_callback;
for (idx = 0; (create_object_container_callback = PluginManager::GetObjectContainerCreateCallbackAtIndex(idx)) != NULL; ++idx)
{
std::auto_ptr<ObjectContainer> object_container_ap(create_object_container_callback(module, file_header_data_sp, file, file_offset, file_size));
if (object_container_ap.get())
object_file_ap.reset (object_container_ap->GetObjectFile(file));
if (object_file_ap.get())
return object_file_ap.release();
}
}
}
return NULL;
}
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