forked from OSchip/llvm-project
1159 lines
36 KiB
C++
1159 lines
36 KiB
C++
//===-- Module.cpp ----------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Core/Module.h"
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#include "lldb/Core/DataBuffer.h"
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#include "lldb/Core/DataBufferHeap.h"
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#include "lldb/Core/Log.h"
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#include "lldb/Core/ModuleList.h"
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#include "lldb/Core/RegularExpression.h"
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#include "lldb/Core/StreamString.h"
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#include "lldb/Core/Timer.h"
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#include "lldb/Host/Host.h"
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#include "lldb/lldb-private-log.h"
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#include "lldb/Symbol/ObjectFile.h"
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#include "lldb/Symbol/SymbolContext.h"
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#include "lldb/Symbol/SymbolVendor.h"
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#include "lldb/Target/Process.h"
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#include "lldb/Target/Target.h"
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using namespace lldb;
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using namespace lldb_private;
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// Shared pointers to modules track module lifetimes in
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// targets and in the global module, but this collection
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// will track all module objects that are still alive
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typedef std::vector<Module *> ModuleCollection;
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static ModuleCollection &
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GetModuleCollection()
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{
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// This module collection needs to live past any module, so we could either make it a
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// shared pointer in each module or just leak is. Since it is only an empty vector by
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// the time all the modules have gone away, we just leak it for now. If we decide this
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// is a big problem we can introduce a Finalize method that will tear everything down in
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// a predictable order.
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static ModuleCollection *g_module_collection = NULL;
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if (g_module_collection == NULL)
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g_module_collection = new ModuleCollection();
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return *g_module_collection;
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}
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Mutex *
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Module::GetAllocationModuleCollectionMutex()
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{
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// NOTE: The mutex below must be leaked since the global module list in
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// the ModuleList class will get torn at some point, and we can't know
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// if it will tear itself down before the "g_module_collection_mutex" below
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// will. So we leak a Mutex object below to safeguard against that
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static Mutex *g_module_collection_mutex = NULL;
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if (g_module_collection_mutex == NULL)
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g_module_collection_mutex = new Mutex (Mutex::eMutexTypeRecursive); // NOTE: known leak
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return g_module_collection_mutex;
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}
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size_t
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Module::GetNumberAllocatedModules ()
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{
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Mutex::Locker locker (GetAllocationModuleCollectionMutex());
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return GetModuleCollection().size();
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}
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Module *
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Module::GetAllocatedModuleAtIndex (size_t idx)
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{
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Mutex::Locker locker (GetAllocationModuleCollectionMutex());
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ModuleCollection &modules = GetModuleCollection();
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if (idx < modules.size())
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return modules[idx];
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return NULL;
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}
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#if 0
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// These functions help us to determine if modules are still loaded, yet don't require that
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// you have a command interpreter and can easily be called from an external debugger.
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namespace lldb {
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void
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ClearModuleInfo (void)
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{
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ModuleList::RemoveOrphanSharedModules();
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}
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void
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DumpModuleInfo (void)
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{
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Mutex::Locker locker (Module::GetAllocationModuleCollectionMutex());
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ModuleCollection &modules = GetModuleCollection();
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const size_t count = modules.size();
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printf ("%s: %zu modules:\n", __PRETTY_FUNCTION__, count);
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for (size_t i=0; i<count; ++i)
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{
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StreamString strm;
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Module *module = modules[i];
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const bool in_shared_module_list = ModuleList::ModuleIsInCache (module);
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module->GetDescription(&strm, eDescriptionLevelFull);
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printf ("%p: shared = %i, ref_count = %3u, module = %s\n",
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module,
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in_shared_module_list,
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(uint32_t)module->use_count(),
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strm.GetString().c_str());
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}
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}
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}
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#endif
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Module::Module (const ModuleSpec &module_spec) :
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m_mutex (Mutex::eMutexTypeRecursive),
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m_mod_time (module_spec.GetFileSpec().GetModificationTime()),
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m_arch (module_spec.GetArchitecture()),
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m_uuid (),
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m_file (module_spec.GetFileSpec()),
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m_platform_file(module_spec.GetPlatformFileSpec()),
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m_symfile_spec (module_spec.GetSymbolFileSpec()),
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m_object_name (module_spec.GetObjectName()),
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m_object_offset (module_spec.GetObjectOffset()),
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m_objfile_sp (),
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m_symfile_ap (),
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m_ast (),
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m_did_load_objfile (false),
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m_did_load_symbol_vendor (false),
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m_did_parse_uuid (false),
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m_did_init_ast (false),
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m_is_dynamic_loader_module (false),
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m_was_modified (false)
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{
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// Scope for locker below...
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{
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Mutex::Locker locker (GetAllocationModuleCollectionMutex());
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GetModuleCollection().push_back(this);
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}
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LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT));
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if (log)
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log->Printf ("%p Module::Module((%s) '%s/%s%s%s%s')",
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this,
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m_arch.GetArchitectureName(),
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m_file.GetDirectory().AsCString(""),
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m_file.GetFilename().AsCString(""),
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m_object_name.IsEmpty() ? "" : "(",
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m_object_name.IsEmpty() ? "" : m_object_name.AsCString(""),
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m_object_name.IsEmpty() ? "" : ")");
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}
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Module::Module(const FileSpec& file_spec,
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const ArchSpec& arch,
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const ConstString *object_name,
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off_t object_offset) :
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m_mutex (Mutex::eMutexTypeRecursive),
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m_mod_time (file_spec.GetModificationTime()),
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m_arch (arch),
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m_uuid (),
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m_file (file_spec),
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m_platform_file(),
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m_symfile_spec (),
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m_object_name (),
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m_object_offset (object_offset),
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m_objfile_sp (),
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m_symfile_ap (),
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m_ast (),
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m_did_load_objfile (false),
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m_did_load_symbol_vendor (false),
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m_did_parse_uuid (false),
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m_did_init_ast (false),
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m_is_dynamic_loader_module (false),
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m_was_modified (false)
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{
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// Scope for locker below...
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{
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Mutex::Locker locker (GetAllocationModuleCollectionMutex());
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GetModuleCollection().push_back(this);
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}
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if (object_name)
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m_object_name = *object_name;
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LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT));
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if (log)
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log->Printf ("%p Module::Module((%s) '%s/%s%s%s%s')",
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this,
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m_arch.GetArchitectureName(),
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m_file.GetDirectory().AsCString(""),
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m_file.GetFilename().AsCString(""),
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m_object_name.IsEmpty() ? "" : "(",
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m_object_name.IsEmpty() ? "" : m_object_name.AsCString(""),
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m_object_name.IsEmpty() ? "" : ")");
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}
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Module::~Module()
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{
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// Scope for locker below...
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{
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Mutex::Locker locker (GetAllocationModuleCollectionMutex());
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ModuleCollection &modules = GetModuleCollection();
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ModuleCollection::iterator end = modules.end();
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ModuleCollection::iterator pos = std::find(modules.begin(), end, this);
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if (pos != end)
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modules.erase(pos);
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}
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LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT));
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if (log)
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log->Printf ("%p Module::~Module((%s) '%s/%s%s%s%s')",
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this,
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m_arch.GetArchitectureName(),
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m_file.GetDirectory().AsCString(""),
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m_file.GetFilename().AsCString(""),
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m_object_name.IsEmpty() ? "" : "(",
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m_object_name.IsEmpty() ? "" : m_object_name.AsCString(""),
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m_object_name.IsEmpty() ? "" : ")");
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// Release any auto pointers before we start tearing down our member
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// variables since the object file and symbol files might need to make
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// function calls back into this module object. The ordering is important
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// here because symbol files can require the module object file. So we tear
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// down the symbol file first, then the object file.
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m_symfile_ap.reset();
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m_objfile_sp.reset();
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}
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ObjectFile *
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Module::GetMemoryObjectFile (const lldb::ProcessSP &process_sp, lldb::addr_t header_addr, Error &error)
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{
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if (m_objfile_sp)
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{
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error.SetErrorString ("object file already exists");
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}
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else
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{
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Mutex::Locker locker (m_mutex);
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if (process_sp)
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{
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StreamString s;
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if (m_file.GetFilename())
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s << m_file.GetFilename();
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s.Printf("[0x%16.16llx]", header_addr);
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m_file.GetFilename().SetCString (s.GetData());
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m_did_load_objfile = true;
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std::auto_ptr<DataBufferHeap> data_ap (new DataBufferHeap (512, 0));
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Error readmem_error;
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const size_t bytes_read = process_sp->ReadMemory (header_addr,
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data_ap->GetBytes(),
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data_ap->GetByteSize(),
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readmem_error);
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if (bytes_read == 512)
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{
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DataBufferSP data_sp(data_ap.release());
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m_objfile_sp = ObjectFile::FindPlugin(shared_from_this(), process_sp, header_addr, data_sp);
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if (m_objfile_sp)
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{
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// Once we get the object file, update our module with the object file's
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// architecture since it might differ in vendor/os if some parts were
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// unknown.
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m_objfile_sp->GetArchitecture (m_arch);
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}
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else
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{
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error.SetErrorString ("unable to find suitable object file plug-in");
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}
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}
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else
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{
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error.SetErrorStringWithFormat ("unable to read header from memory: %s", readmem_error.AsCString());
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}
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}
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else
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{
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error.SetErrorString ("invalid process");
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}
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}
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return m_objfile_sp.get();
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}
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const lldb_private::UUID&
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Module::GetUUID()
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{
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Mutex::Locker locker (m_mutex);
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if (m_did_parse_uuid == false)
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{
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ObjectFile * obj_file = GetObjectFile ();
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if (obj_file != NULL)
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{
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obj_file->GetUUID(&m_uuid);
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m_did_parse_uuid = true;
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}
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}
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return m_uuid;
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}
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ClangASTContext &
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Module::GetClangASTContext ()
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{
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Mutex::Locker locker (m_mutex);
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if (m_did_init_ast == false)
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{
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ObjectFile * objfile = GetObjectFile();
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ArchSpec object_arch;
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if (objfile && objfile->GetArchitecture(object_arch))
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{
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m_did_init_ast = true;
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m_ast.SetArchitecture (object_arch);
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}
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}
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return m_ast;
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}
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void
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Module::ParseAllDebugSymbols()
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{
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Mutex::Locker locker (m_mutex);
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uint32_t num_comp_units = GetNumCompileUnits();
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if (num_comp_units == 0)
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return;
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SymbolContext sc;
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sc.module_sp = shared_from_this();
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uint32_t cu_idx;
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SymbolVendor *symbols = GetSymbolVendor ();
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for (cu_idx = 0; cu_idx < num_comp_units; cu_idx++)
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{
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sc.comp_unit = symbols->GetCompileUnitAtIndex(cu_idx).get();
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if (sc.comp_unit)
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{
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sc.function = NULL;
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symbols->ParseVariablesForContext(sc);
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symbols->ParseCompileUnitFunctions(sc);
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uint32_t func_idx;
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for (func_idx = 0; (sc.function = sc.comp_unit->GetFunctionAtIndex(func_idx).get()) != NULL; ++func_idx)
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{
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symbols->ParseFunctionBlocks(sc);
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// Parse the variables for this function and all its blocks
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symbols->ParseVariablesForContext(sc);
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}
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// Parse all types for this compile unit
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sc.function = NULL;
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symbols->ParseTypes(sc);
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}
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}
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}
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void
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Module::CalculateSymbolContext(SymbolContext* sc)
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{
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sc->module_sp = shared_from_this();
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}
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ModuleSP
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Module::CalculateSymbolContextModule ()
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{
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return shared_from_this();
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}
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void
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Module::DumpSymbolContext(Stream *s)
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{
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s->Printf(", Module{%p}", this);
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}
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uint32_t
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Module::GetNumCompileUnits()
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{
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Mutex::Locker locker (m_mutex);
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Timer scoped_timer(__PRETTY_FUNCTION__, "Module::GetNumCompileUnits (module = %p)", this);
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SymbolVendor *symbols = GetSymbolVendor ();
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if (symbols)
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return symbols->GetNumCompileUnits();
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return 0;
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}
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CompUnitSP
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Module::GetCompileUnitAtIndex (uint32_t index)
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{
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Mutex::Locker locker (m_mutex);
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uint32_t num_comp_units = GetNumCompileUnits ();
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CompUnitSP cu_sp;
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if (index < num_comp_units)
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{
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SymbolVendor *symbols = GetSymbolVendor ();
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if (symbols)
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cu_sp = symbols->GetCompileUnitAtIndex(index);
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}
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return cu_sp;
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}
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bool
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Module::ResolveFileAddress (lldb::addr_t vm_addr, Address& so_addr)
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{
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Mutex::Locker locker (m_mutex);
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Timer scoped_timer(__PRETTY_FUNCTION__, "Module::ResolveFileAddress (vm_addr = 0x%llx)", vm_addr);
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ObjectFile* ofile = GetObjectFile();
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if (ofile)
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return so_addr.ResolveAddressUsingFileSections(vm_addr, ofile->GetSectionList());
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return false;
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}
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uint32_t
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Module::ResolveSymbolContextForAddress (const Address& so_addr, uint32_t resolve_scope, SymbolContext& sc)
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{
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Mutex::Locker locker (m_mutex);
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uint32_t resolved_flags = 0;
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// Clear the result symbol context in case we don't find anything
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sc.Clear();
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// Get the section from the section/offset address.
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SectionSP section_sp (so_addr.GetSection());
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// Make sure the section matches this module before we try and match anything
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if (section_sp && section_sp->GetModule().get() == this)
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{
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// If the section offset based address resolved itself, then this
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// is the right module.
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sc.module_sp = shared_from_this();
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resolved_flags |= eSymbolContextModule;
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// Resolve the compile unit, function, block, line table or line
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// entry if requested.
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if (resolve_scope & eSymbolContextCompUnit ||
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resolve_scope & eSymbolContextFunction ||
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resolve_scope & eSymbolContextBlock ||
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resolve_scope & eSymbolContextLineEntry )
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{
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SymbolVendor *symbols = GetSymbolVendor ();
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if (symbols)
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resolved_flags |= symbols->ResolveSymbolContext (so_addr, resolve_scope, sc);
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}
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// Resolve the symbol if requested, but don't re-look it up if we've already found it.
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if (resolve_scope & eSymbolContextSymbol && !(resolved_flags & eSymbolContextSymbol))
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{
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ObjectFile* ofile = GetObjectFile();
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if (ofile)
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{
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Symtab *symtab = ofile->GetSymtab();
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if (symtab)
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{
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if (so_addr.IsSectionOffset())
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{
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sc.symbol = symtab->FindSymbolContainingFileAddress(so_addr.GetFileAddress());
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if (sc.symbol)
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resolved_flags |= eSymbolContextSymbol;
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}
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}
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}
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}
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}
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return resolved_flags;
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}
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uint32_t
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Module::ResolveSymbolContextForFilePath
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(
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const char *file_path,
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uint32_t line,
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bool check_inlines,
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uint32_t resolve_scope,
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SymbolContextList& sc_list
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)
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{
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FileSpec file_spec(file_path, false);
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return ResolveSymbolContextsForFileSpec (file_spec, line, check_inlines, resolve_scope, sc_list);
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}
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uint32_t
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Module::ResolveSymbolContextsForFileSpec (const FileSpec &file_spec, uint32_t line, bool check_inlines, uint32_t resolve_scope, SymbolContextList& sc_list)
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{
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Mutex::Locker locker (m_mutex);
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Timer scoped_timer(__PRETTY_FUNCTION__,
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"Module::ResolveSymbolContextForFilePath (%s%s%s:%u, check_inlines = %s, resolve_scope = 0x%8.8x)",
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file_spec.GetDirectory().AsCString(""),
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file_spec.GetDirectory() ? "/" : "",
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file_spec.GetFilename().AsCString(""),
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line,
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check_inlines ? "yes" : "no",
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resolve_scope);
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const uint32_t initial_count = sc_list.GetSize();
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SymbolVendor *symbols = GetSymbolVendor ();
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if (symbols)
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symbols->ResolveSymbolContext (file_spec, line, check_inlines, resolve_scope, sc_list);
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return sc_list.GetSize() - initial_count;
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}
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uint32_t
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Module::FindGlobalVariables(const ConstString &name, const ClangNamespaceDecl *namespace_decl, bool append, uint32_t max_matches, VariableList& variables)
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{
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SymbolVendor *symbols = GetSymbolVendor ();
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if (symbols)
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return symbols->FindGlobalVariables(name, namespace_decl, append, max_matches, variables);
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return 0;
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}
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uint32_t
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Module::FindGlobalVariables(const RegularExpression& regex, bool append, uint32_t max_matches, VariableList& variables)
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{
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SymbolVendor *symbols = GetSymbolVendor ();
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if (symbols)
|
|
return symbols->FindGlobalVariables(regex, append, max_matches, variables);
|
|
return 0;
|
|
}
|
|
|
|
uint32_t
|
|
Module::FindCompileUnits (const FileSpec &path,
|
|
bool append,
|
|
SymbolContextList &sc_list)
|
|
{
|
|
if (!append)
|
|
sc_list.Clear();
|
|
|
|
const uint32_t start_size = sc_list.GetSize();
|
|
const uint32_t num_compile_units = GetNumCompileUnits();
|
|
SymbolContext sc;
|
|
sc.module_sp = shared_from_this();
|
|
const bool compare_directory = path.GetDirectory();
|
|
for (uint32_t i=0; i<num_compile_units; ++i)
|
|
{
|
|
sc.comp_unit = GetCompileUnitAtIndex(i).get();
|
|
if (FileSpec::Equal (*sc.comp_unit, path, compare_directory))
|
|
sc_list.Append(sc);
|
|
}
|
|
return sc_list.GetSize() - start_size;
|
|
}
|
|
|
|
uint32_t
|
|
Module::FindFunctions (const ConstString &name,
|
|
const ClangNamespaceDecl *namespace_decl,
|
|
uint32_t name_type_mask,
|
|
bool include_symbols,
|
|
bool include_inlines,
|
|
bool append,
|
|
SymbolContextList& sc_list)
|
|
{
|
|
if (!append)
|
|
sc_list.Clear();
|
|
|
|
const uint32_t start_size = sc_list.GetSize();
|
|
|
|
// Find all the functions (not symbols, but debug information functions...
|
|
SymbolVendor *symbols = GetSymbolVendor ();
|
|
if (symbols)
|
|
symbols->FindFunctions(name, namespace_decl, name_type_mask, include_inlines, append, sc_list);
|
|
|
|
// Now check our symbol table for symbols that are code symbols if requested
|
|
if (include_symbols)
|
|
{
|
|
ObjectFile *objfile = GetObjectFile();
|
|
if (objfile)
|
|
{
|
|
Symtab *symtab = objfile->GetSymtab();
|
|
if (symtab)
|
|
{
|
|
std::vector<uint32_t> symbol_indexes;
|
|
symtab->FindAllSymbolsWithNameAndType (name, eSymbolTypeCode, Symtab::eDebugAny, Symtab::eVisibilityAny, symbol_indexes);
|
|
const uint32_t num_matches = symbol_indexes.size();
|
|
if (num_matches)
|
|
{
|
|
const bool merge_symbol_into_function = true;
|
|
SymbolContext sc(this);
|
|
for (uint32_t i=0; i<num_matches; i++)
|
|
{
|
|
sc.symbol = symtab->SymbolAtIndex(symbol_indexes[i]);
|
|
sc_list.AppendIfUnique (sc, merge_symbol_into_function);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return sc_list.GetSize() - start_size;
|
|
}
|
|
|
|
uint32_t
|
|
Module::FindFunctions (const RegularExpression& regex,
|
|
bool include_symbols,
|
|
bool include_inlines,
|
|
bool append,
|
|
SymbolContextList& sc_list)
|
|
{
|
|
if (!append)
|
|
sc_list.Clear();
|
|
|
|
const uint32_t start_size = sc_list.GetSize();
|
|
|
|
SymbolVendor *symbols = GetSymbolVendor ();
|
|
if (symbols)
|
|
symbols->FindFunctions(regex, include_inlines, append, sc_list);
|
|
// Now check our symbol table for symbols that are code symbols if requested
|
|
if (include_symbols)
|
|
{
|
|
ObjectFile *objfile = GetObjectFile();
|
|
if (objfile)
|
|
{
|
|
Symtab *symtab = objfile->GetSymtab();
|
|
if (symtab)
|
|
{
|
|
std::vector<uint32_t> symbol_indexes;
|
|
symtab->AppendSymbolIndexesMatchingRegExAndType (regex, eSymbolTypeCode, Symtab::eDebugAny, Symtab::eVisibilityAny, symbol_indexes);
|
|
const uint32_t num_matches = symbol_indexes.size();
|
|
if (num_matches)
|
|
{
|
|
const bool merge_symbol_into_function = true;
|
|
SymbolContext sc(this);
|
|
for (uint32_t i=0; i<num_matches; i++)
|
|
{
|
|
sc.symbol = symtab->SymbolAtIndex(symbol_indexes[i]);
|
|
sc_list.AppendIfUnique (sc, merge_symbol_into_function);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return sc_list.GetSize() - start_size;
|
|
}
|
|
|
|
uint32_t
|
|
Module::FindTypes_Impl (const SymbolContext& sc, const ConstString &name, const ClangNamespaceDecl *namespace_decl, bool append, uint32_t max_matches, TypeList& types)
|
|
{
|
|
Timer scoped_timer(__PRETTY_FUNCTION__, __PRETTY_FUNCTION__);
|
|
if (sc.module_sp.get() == NULL || sc.module_sp.get() == this)
|
|
{
|
|
SymbolVendor *symbols = GetSymbolVendor ();
|
|
if (symbols)
|
|
return symbols->FindTypes(sc, name, namespace_decl, append, max_matches, types);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// depending on implementation details, type lookup might fail because of
|
|
// embedded spurious namespace:: prefixes. this call strips them, paying
|
|
// attention to the fact that a type might have namespace'd type names as
|
|
// arguments to templates, and those must not be stripped off
|
|
static const char*
|
|
StripTypeName(const char* name_cstr)
|
|
{
|
|
// Protect against null c string.
|
|
if (!name_cstr)
|
|
return name_cstr;
|
|
const char* skip_namespace = strstr(name_cstr, "::");
|
|
const char* template_arg_char = strchr(name_cstr, '<');
|
|
while (skip_namespace != NULL)
|
|
{
|
|
if (template_arg_char != NULL &&
|
|
skip_namespace > template_arg_char) // but namespace'd template arguments are still good to go
|
|
break;
|
|
name_cstr = skip_namespace+2;
|
|
skip_namespace = strstr(name_cstr, "::");
|
|
}
|
|
return name_cstr;
|
|
}
|
|
|
|
uint32_t
|
|
Module::FindTypes (const SymbolContext& sc, const ConstString &name, const ClangNamespaceDecl *namespace_decl, bool append, uint32_t max_matches, TypeList& types)
|
|
{
|
|
uint32_t retval = FindTypes_Impl(sc, name, namespace_decl, append, max_matches, types);
|
|
|
|
if (retval == 0)
|
|
{
|
|
const char *orig_name = name.GetCString();
|
|
const char *stripped = StripTypeName(orig_name);
|
|
// Only do this lookup if StripTypeName has stripped the name:
|
|
if (stripped != orig_name)
|
|
return FindTypes_Impl(sc, ConstString(stripped), namespace_decl, append, max_matches, types);
|
|
else
|
|
return 0;
|
|
}
|
|
else
|
|
return retval;
|
|
|
|
}
|
|
|
|
//uint32_t
|
|
//Module::FindTypes(const SymbolContext& sc, const RegularExpression& regex, bool append, uint32_t max_matches, Type::Encoding encoding, const char *udt_name, TypeList& types)
|
|
//{
|
|
// Timer scoped_timer(__PRETTY_FUNCTION__);
|
|
// SymbolVendor *symbols = GetSymbolVendor ();
|
|
// if (symbols)
|
|
// return symbols->FindTypes(sc, regex, append, max_matches, encoding, udt_name, types);
|
|
// return 0;
|
|
//
|
|
//}
|
|
|
|
SymbolVendor*
|
|
Module::GetSymbolVendor (bool can_create)
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
if (m_did_load_symbol_vendor == false && can_create)
|
|
{
|
|
ObjectFile *obj_file = GetObjectFile ();
|
|
if (obj_file != NULL)
|
|
{
|
|
Timer scoped_timer(__PRETTY_FUNCTION__, __PRETTY_FUNCTION__);
|
|
m_symfile_ap.reset(SymbolVendor::FindPlugin(shared_from_this()));
|
|
m_did_load_symbol_vendor = true;
|
|
}
|
|
}
|
|
return m_symfile_ap.get();
|
|
}
|
|
|
|
void
|
|
Module::SetFileSpecAndObjectName (const FileSpec &file, const ConstString &object_name)
|
|
{
|
|
// Container objects whose paths do not specify a file directly can call
|
|
// this function to correct the file and object names.
|
|
m_file = file;
|
|
m_mod_time = file.GetModificationTime();
|
|
m_object_name = object_name;
|
|
}
|
|
|
|
const ArchSpec&
|
|
Module::GetArchitecture () const
|
|
{
|
|
return m_arch;
|
|
}
|
|
|
|
void
|
|
Module::GetDescription (Stream *s, lldb::DescriptionLevel level)
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
|
|
if (level >= eDescriptionLevelFull)
|
|
{
|
|
if (m_arch.IsValid())
|
|
s->Printf("(%s) ", m_arch.GetArchitectureName());
|
|
}
|
|
|
|
if (level == eDescriptionLevelBrief)
|
|
{
|
|
const char *filename = m_file.GetFilename().GetCString();
|
|
if (filename)
|
|
s->PutCString (filename);
|
|
}
|
|
else
|
|
{
|
|
char path[PATH_MAX];
|
|
if (m_file.GetPath(path, sizeof(path)))
|
|
s->PutCString(path);
|
|
}
|
|
|
|
const char *object_name = m_object_name.GetCString();
|
|
if (object_name)
|
|
s->Printf("(%s)", object_name);
|
|
}
|
|
|
|
void
|
|
Module::ReportError (const char *format, ...)
|
|
{
|
|
if (format && format[0])
|
|
{
|
|
StreamString strm;
|
|
strm.PutCString("error: ");
|
|
GetDescription(&strm, lldb::eDescriptionLevelBrief);
|
|
strm.PutChar (' ');
|
|
va_list args;
|
|
va_start (args, format);
|
|
strm.PrintfVarArg(format, args);
|
|
va_end (args);
|
|
|
|
const int format_len = strlen(format);
|
|
if (format_len > 0)
|
|
{
|
|
const char last_char = format[format_len-1];
|
|
if (last_char != '\n' || last_char != '\r')
|
|
strm.EOL();
|
|
}
|
|
Host::SystemLog (Host::eSystemLogError, "%s", strm.GetString().c_str());
|
|
|
|
}
|
|
}
|
|
|
|
void
|
|
Module::ReportErrorIfModifyDetected (const char *format, ...)
|
|
{
|
|
if (!GetModified(true) && GetModified(false))
|
|
{
|
|
if (format)
|
|
{
|
|
StreamString strm;
|
|
strm.PutCString("error: the object file ");
|
|
GetDescription(&strm, lldb::eDescriptionLevelFull);
|
|
strm.PutCString (" has been modified\n");
|
|
|
|
va_list args;
|
|
va_start (args, format);
|
|
strm.PrintfVarArg(format, args);
|
|
va_end (args);
|
|
|
|
const int format_len = strlen(format);
|
|
if (format_len > 0)
|
|
{
|
|
const char last_char = format[format_len-1];
|
|
if (last_char != '\n' || last_char != '\r')
|
|
strm.EOL();
|
|
}
|
|
strm.PutCString("The debug session should be aborted as the original debug information has been overwritten.\n");
|
|
Host::SystemLog (Host::eSystemLogError, "%s", strm.GetString().c_str());
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
Module::ReportWarning (const char *format, ...)
|
|
{
|
|
if (format && format[0])
|
|
{
|
|
StreamString strm;
|
|
strm.PutCString("warning: ");
|
|
GetDescription(&strm, lldb::eDescriptionLevelFull);
|
|
strm.PutChar (' ');
|
|
|
|
va_list args;
|
|
va_start (args, format);
|
|
strm.PrintfVarArg(format, args);
|
|
va_end (args);
|
|
|
|
const int format_len = strlen(format);
|
|
if (format_len > 0)
|
|
{
|
|
const char last_char = format[format_len-1];
|
|
if (last_char != '\n' || last_char != '\r')
|
|
strm.EOL();
|
|
}
|
|
Host::SystemLog (Host::eSystemLogWarning, "%s", strm.GetString().c_str());
|
|
}
|
|
}
|
|
|
|
void
|
|
Module::LogMessage (Log *log, const char *format, ...)
|
|
{
|
|
if (log)
|
|
{
|
|
StreamString log_message;
|
|
GetDescription(&log_message, lldb::eDescriptionLevelFull);
|
|
log_message.PutCString (": ");
|
|
va_list args;
|
|
va_start (args, format);
|
|
log_message.PrintfVarArg (format, args);
|
|
va_end (args);
|
|
log->PutCString(log_message.GetString().c_str());
|
|
}
|
|
}
|
|
|
|
bool
|
|
Module::GetModified (bool use_cached_only)
|
|
{
|
|
if (m_was_modified == false && use_cached_only == false)
|
|
{
|
|
TimeValue curr_mod_time (m_file.GetModificationTime());
|
|
m_was_modified = curr_mod_time != m_mod_time;
|
|
}
|
|
return m_was_modified;
|
|
}
|
|
|
|
bool
|
|
Module::SetModified (bool b)
|
|
{
|
|
const bool prev_value = m_was_modified;
|
|
m_was_modified = b;
|
|
return prev_value;
|
|
}
|
|
|
|
|
|
void
|
|
Module::Dump(Stream *s)
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
//s->Printf("%.*p: ", (int)sizeof(void*) * 2, this);
|
|
s->Indent();
|
|
s->Printf("Module %s/%s%s%s%s\n",
|
|
m_file.GetDirectory().AsCString(),
|
|
m_file.GetFilename().AsCString(),
|
|
m_object_name ? "(" : "",
|
|
m_object_name ? m_object_name.GetCString() : "",
|
|
m_object_name ? ")" : "");
|
|
|
|
s->IndentMore();
|
|
ObjectFile *objfile = GetObjectFile ();
|
|
|
|
if (objfile)
|
|
objfile->Dump(s);
|
|
|
|
SymbolVendor *symbols = GetSymbolVendor ();
|
|
|
|
if (symbols)
|
|
symbols->Dump(s);
|
|
|
|
s->IndentLess();
|
|
}
|
|
|
|
|
|
TypeList*
|
|
Module::GetTypeList ()
|
|
{
|
|
SymbolVendor *symbols = GetSymbolVendor ();
|
|
if (symbols)
|
|
return &symbols->GetTypeList();
|
|
return NULL;
|
|
}
|
|
|
|
const ConstString &
|
|
Module::GetObjectName() const
|
|
{
|
|
return m_object_name;
|
|
}
|
|
|
|
ObjectFile *
|
|
Module::GetObjectFile()
|
|
{
|
|
Mutex::Locker locker (m_mutex);
|
|
if (m_did_load_objfile == false)
|
|
{
|
|
m_did_load_objfile = true;
|
|
Timer scoped_timer(__PRETTY_FUNCTION__,
|
|
"Module::GetObjectFile () module = %s", GetFileSpec().GetFilename().AsCString(""));
|
|
DataBufferSP file_data_sp;
|
|
m_objfile_sp = ObjectFile::FindPlugin (shared_from_this(),
|
|
&m_file,
|
|
m_object_offset,
|
|
m_file.GetByteSize(),
|
|
file_data_sp);
|
|
if (m_objfile_sp)
|
|
{
|
|
// Once we get the object file, update our module with the object file's
|
|
// architecture since it might differ in vendor/os if some parts were
|
|
// unknown.
|
|
m_objfile_sp->GetArchitecture (m_arch);
|
|
}
|
|
}
|
|
return m_objfile_sp.get();
|
|
}
|
|
|
|
|
|
const Symbol *
|
|
Module::FindFirstSymbolWithNameAndType (const ConstString &name, SymbolType symbol_type)
|
|
{
|
|
Timer scoped_timer(__PRETTY_FUNCTION__,
|
|
"Module::FindFirstSymbolWithNameAndType (name = %s, type = %i)",
|
|
name.AsCString(),
|
|
symbol_type);
|
|
ObjectFile *objfile = GetObjectFile();
|
|
if (objfile)
|
|
{
|
|
Symtab *symtab = objfile->GetSymtab();
|
|
if (symtab)
|
|
return symtab->FindFirstSymbolWithNameAndType (name, symbol_type, Symtab::eDebugAny, Symtab::eVisibilityAny);
|
|
}
|
|
return NULL;
|
|
}
|
|
void
|
|
Module::SymbolIndicesToSymbolContextList (Symtab *symtab, std::vector<uint32_t> &symbol_indexes, SymbolContextList &sc_list)
|
|
{
|
|
// No need to protect this call using m_mutex all other method calls are
|
|
// already thread safe.
|
|
|
|
size_t num_indices = symbol_indexes.size();
|
|
if (num_indices > 0)
|
|
{
|
|
SymbolContext sc;
|
|
CalculateSymbolContext (&sc);
|
|
for (size_t i = 0; i < num_indices; i++)
|
|
{
|
|
sc.symbol = symtab->SymbolAtIndex (symbol_indexes[i]);
|
|
if (sc.symbol)
|
|
sc_list.Append (sc);
|
|
}
|
|
}
|
|
}
|
|
|
|
size_t
|
|
Module::FindSymbolsWithNameAndType (const ConstString &name, SymbolType symbol_type, SymbolContextList &sc_list)
|
|
{
|
|
// No need to protect this call using m_mutex all other method calls are
|
|
// already thread safe.
|
|
|
|
|
|
Timer scoped_timer(__PRETTY_FUNCTION__,
|
|
"Module::FindSymbolsWithNameAndType (name = %s, type = %i)",
|
|
name.AsCString(),
|
|
symbol_type);
|
|
const size_t initial_size = sc_list.GetSize();
|
|
ObjectFile *objfile = GetObjectFile ();
|
|
if (objfile)
|
|
{
|
|
Symtab *symtab = objfile->GetSymtab();
|
|
if (symtab)
|
|
{
|
|
std::vector<uint32_t> symbol_indexes;
|
|
symtab->FindAllSymbolsWithNameAndType (name, symbol_type, symbol_indexes);
|
|
SymbolIndicesToSymbolContextList (symtab, symbol_indexes, sc_list);
|
|
}
|
|
}
|
|
return sc_list.GetSize() - initial_size;
|
|
}
|
|
|
|
size_t
|
|
Module::FindSymbolsMatchingRegExAndType (const RegularExpression ®ex, SymbolType symbol_type, SymbolContextList &sc_list)
|
|
{
|
|
// No need to protect this call using m_mutex all other method calls are
|
|
// already thread safe.
|
|
|
|
Timer scoped_timer(__PRETTY_FUNCTION__,
|
|
"Module::FindSymbolsMatchingRegExAndType (regex = %s, type = %i)",
|
|
regex.GetText(),
|
|
symbol_type);
|
|
const size_t initial_size = sc_list.GetSize();
|
|
ObjectFile *objfile = GetObjectFile ();
|
|
if (objfile)
|
|
{
|
|
Symtab *symtab = objfile->GetSymtab();
|
|
if (symtab)
|
|
{
|
|
std::vector<uint32_t> symbol_indexes;
|
|
symtab->FindAllSymbolsMatchingRexExAndType (regex, symbol_type, Symtab::eDebugAny, Symtab::eVisibilityAny, symbol_indexes);
|
|
SymbolIndicesToSymbolContextList (symtab, symbol_indexes, sc_list);
|
|
}
|
|
}
|
|
return sc_list.GetSize() - initial_size;
|
|
}
|
|
|
|
const TimeValue &
|
|
Module::GetModificationTime () const
|
|
{
|
|
return m_mod_time;
|
|
}
|
|
|
|
bool
|
|
Module::IsExecutable ()
|
|
{
|
|
if (GetObjectFile() == NULL)
|
|
return false;
|
|
else
|
|
return GetObjectFile()->IsExecutable();
|
|
}
|
|
|
|
bool
|
|
Module::IsLoadedInTarget (Target *target)
|
|
{
|
|
ObjectFile *obj_file = GetObjectFile();
|
|
if (obj_file)
|
|
{
|
|
SectionList *sections = obj_file->GetSectionList();
|
|
if (sections != NULL)
|
|
{
|
|
size_t num_sections = sections->GetSize();
|
|
for (size_t sect_idx = 0; sect_idx < num_sections; sect_idx++)
|
|
{
|
|
SectionSP section_sp = sections->GetSectionAtIndex(sect_idx);
|
|
if (section_sp->GetLoadBaseAddress(target) != LLDB_INVALID_ADDRESS)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
bool
|
|
Module::SetArchitecture (const ArchSpec &new_arch)
|
|
{
|
|
if (!m_arch.IsValid())
|
|
{
|
|
m_arch = new_arch;
|
|
return true;
|
|
}
|
|
return m_arch == new_arch;
|
|
}
|
|
|
|
bool
|
|
Module::SetLoadAddress (Target &target, lldb::addr_t offset, bool &changed)
|
|
{
|
|
changed = false;
|
|
ObjectFile *image_object_file = GetObjectFile();
|
|
if (image_object_file)
|
|
{
|
|
SectionList *section_list = image_object_file->GetSectionList ();
|
|
if (section_list)
|
|
{
|
|
const size_t num_sections = section_list->GetSize();
|
|
size_t sect_idx = 0;
|
|
for (sect_idx = 0; sect_idx < num_sections; ++sect_idx)
|
|
{
|
|
// Iterate through the object file sections to find the
|
|
// first section that starts of file offset zero and that
|
|
// has bytes in the file...
|
|
Section *section = section_list->GetSectionAtIndex (sect_idx).get();
|
|
if (section)
|
|
{
|
|
if (target.GetSectionLoadList().SetSectionLoadAddress (section, section->GetFileAddress() + offset))
|
|
changed = true;
|
|
}
|
|
}
|
|
return sect_idx > 0;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
bool
|
|
Module::MatchesModuleSpec (const ModuleSpec &module_ref)
|
|
{
|
|
const UUID &uuid = module_ref.GetUUID();
|
|
|
|
if (uuid.IsValid())
|
|
{
|
|
// If the UUID matches, then nothing more needs to match...
|
|
if (uuid == GetUUID())
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
|
|
const FileSpec &file_spec = module_ref.GetFileSpec();
|
|
if (file_spec)
|
|
{
|
|
if (!FileSpec::Equal (file_spec, m_file, file_spec.GetDirectory()))
|
|
return false;
|
|
}
|
|
|
|
const FileSpec &platform_file_spec = module_ref.GetPlatformFileSpec();
|
|
if (platform_file_spec)
|
|
{
|
|
if (!FileSpec::Equal (platform_file_spec, m_platform_file, platform_file_spec.GetDirectory()))
|
|
return false;
|
|
}
|
|
|
|
const ArchSpec &arch = module_ref.GetArchitecture();
|
|
if (arch.IsValid())
|
|
{
|
|
if (m_arch != arch)
|
|
return false;
|
|
}
|
|
|
|
const ConstString &object_name = module_ref.GetObjectName();
|
|
if (object_name)
|
|
{
|
|
if (object_name != GetObjectName())
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|