1 files changed, 92 insertions, 0 deletions
diff --git a/lldb/source/Symbol/ObjectFile.cpp b/lldb/source/Symbol/ObjectFile.cpp
new file mode 100644
index 00000000000..8d224488641
--- /dev/null
+++ b/lldb/source/Symbol/ObjectFile.cpp
@@ -0,0 +1,92 @@
+//===-- 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;
+}