Initial checkin of lldb code from internal Apple repo.
git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@105619 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Symbol/ObjectFile.cpp b/source/Symbol/ObjectFile.cpp
new file mode 100644
index 0000000..8d22448
--- /dev/null
+++ b/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;
+}