forked from OSchip/llvm-project
153 lines
5.0 KiB
C++
153 lines
5.0 KiB
C++
//===-- SymbolFile.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/Symbol/SymbolFile.h"
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#include "lldb/Core/Module.h"
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#include "lldb/Core/PluginManager.h"
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#include "lldb/Symbol/ObjectFile.h"
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#include "lldb/Symbol/TypeMap.h"
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#include "lldb/Symbol/TypeSystem.h"
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#include "lldb/Symbol/VariableList.h"
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#include "lldb/Utility/Log.h"
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#include "lldb/Utility/StreamString.h"
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#include "lldb/lldb-private.h"
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using namespace lldb_private;
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SymbolFile *SymbolFile::FindPlugin(ObjectFile *obj_file) {
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std::unique_ptr<SymbolFile> best_symfile_ap;
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if (obj_file != nullptr) {
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// We need to test the abilities of this section list. So create what it
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// would
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// be with this new obj_file.
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lldb::ModuleSP module_sp(obj_file->GetModule());
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if (module_sp) {
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// Default to the main module section list.
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ObjectFile *module_obj_file = module_sp->GetObjectFile();
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if (module_obj_file != obj_file) {
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// Make sure the main object file's sections are created
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module_obj_file->GetSectionList();
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obj_file->CreateSections(*module_sp->GetUnifiedSectionList());
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}
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}
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// TODO: Load any plug-ins in the appropriate plug-in search paths and
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// iterate over all of them to find the best one for the job.
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uint32_t best_symfile_abilities = 0;
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SymbolFileCreateInstance create_callback;
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for (uint32_t idx = 0;
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(create_callback = PluginManager::GetSymbolFileCreateCallbackAtIndex(
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idx)) != nullptr;
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++idx) {
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std::unique_ptr<SymbolFile> curr_symfile_ap(create_callback(obj_file));
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if (curr_symfile_ap.get()) {
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const uint32_t sym_file_abilities = curr_symfile_ap->GetAbilities();
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if (sym_file_abilities > best_symfile_abilities) {
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best_symfile_abilities = sym_file_abilities;
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best_symfile_ap.reset(curr_symfile_ap.release());
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// If any symbol file parser has all of the abilities, then
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// we should just stop looking.
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if ((kAllAbilities & sym_file_abilities) == kAllAbilities)
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break;
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}
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}
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}
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if (best_symfile_ap.get()) {
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// Let the winning symbol file parser initialize itself more
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// completely now that it has been chosen
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best_symfile_ap->InitializeObject();
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}
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}
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return best_symfile_ap.release();
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}
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TypeList *SymbolFile::GetTypeList() {
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if (m_obj_file)
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return m_obj_file->GetModule()->GetTypeList();
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return nullptr;
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}
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TypeSystem *SymbolFile::GetTypeSystemForLanguage(lldb::LanguageType language) {
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TypeSystem *type_system =
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m_obj_file->GetModule()->GetTypeSystemForLanguage(language);
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if (type_system)
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type_system->SetSymbolFile(this);
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return type_system;
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}
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uint32_t SymbolFile::ResolveSymbolContext(const FileSpec &file_spec,
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uint32_t line, bool check_inlines,
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uint32_t resolve_scope,
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SymbolContextList &sc_list) {
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return 0;
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}
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uint32_t SymbolFile::FindGlobalVariables(
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const ConstString &name, const CompilerDeclContext *parent_decl_ctx,
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bool append, uint32_t max_matches, VariableList &variables) {
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if (!append)
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variables.Clear();
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return 0;
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}
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uint32_t SymbolFile::FindGlobalVariables(const RegularExpression ®ex,
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bool append, uint32_t max_matches,
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VariableList &variables) {
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if (!append)
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variables.Clear();
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return 0;
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}
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uint32_t SymbolFile::FindFunctions(const ConstString &name,
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const CompilerDeclContext *parent_decl_ctx,
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uint32_t name_type_mask,
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bool include_inlines, bool append,
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SymbolContextList &sc_list) {
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if (!append)
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sc_list.Clear();
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return 0;
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}
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uint32_t SymbolFile::FindFunctions(const RegularExpression ®ex,
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bool include_inlines, bool append,
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SymbolContextList &sc_list) {
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if (!append)
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sc_list.Clear();
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return 0;
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}
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void SymbolFile::GetMangledNamesForFunction(
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const std::string &scope_qualified_name,
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std::vector<ConstString> &mangled_names) {
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return;
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}
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uint32_t SymbolFile::FindTypes(
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const SymbolContext &sc, const ConstString &name,
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const CompilerDeclContext *parent_decl_ctx, bool append,
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uint32_t max_matches,
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llvm::DenseSet<lldb_private::SymbolFile *> &searched_symbol_files,
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TypeMap &types) {
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if (!append)
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types.Clear();
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return 0;
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}
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size_t SymbolFile::FindTypes(const std::vector<CompilerContext> &context,
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bool append, TypeMap &types) {
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if (!append)
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types.Clear();
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return 0;
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}
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