105 lines
3.1 KiB
C++
105 lines
3.1 KiB
C++
//===-- SymbolFileJSON.cpp ----------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "SymbolFileJSON.h"
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#include "Plugins/ObjectFile/JSON/ObjectFileJSON.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/CompileUnit.h"
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#include "lldb/Symbol/Function.h"
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#include "lldb/Symbol/ObjectFile.h"
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#include "lldb/Symbol/Symbol.h"
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#include "lldb/Symbol/SymbolContext.h"
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#include "lldb/Symbol/Symtab.h"
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#include "lldb/Symbol/TypeList.h"
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#include "lldb/Utility/LLDBLog.h"
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#include "lldb/Utility/Log.h"
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#include "lldb/Utility/RegularExpression.h"
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#include "lldb/Utility/Timer.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include <memory>
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#include <optional>
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using namespace llvm;
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using namespace lldb;
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using namespace lldb_private;
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LLDB_PLUGIN_DEFINE(SymbolFileJSON)
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char SymbolFileJSON::ID;
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SymbolFileJSON::SymbolFileJSON(lldb::ObjectFileSP objfile_sp)
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: SymbolFileCommon(std::move(objfile_sp)) {}
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void SymbolFileJSON::Initialize() {
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PluginManager::RegisterPlugin(GetPluginNameStatic(),
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GetPluginDescriptionStatic(), CreateInstance);
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}
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void SymbolFileJSON::Terminate() {
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PluginManager::UnregisterPlugin(CreateInstance);
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}
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llvm::StringRef SymbolFileJSON::GetPluginDescriptionStatic() {
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return "Reads debug symbols from a JSON symbol table.";
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}
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SymbolFile *SymbolFileJSON::CreateInstance(ObjectFileSP objfile_sp) {
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return new SymbolFileJSON(std::move(objfile_sp));
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}
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uint32_t SymbolFileJSON::CalculateAbilities() {
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if (!m_objfile_sp || !llvm::isa<ObjectFileJSON>(*m_objfile_sp))
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return 0;
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return GlobalVariables | Functions;
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}
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uint32_t SymbolFileJSON::ResolveSymbolContext(const Address &so_addr,
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SymbolContextItem resolve_scope,
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SymbolContext &sc) {
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std::lock_guard<std::recursive_mutex> guard(GetModuleMutex());
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if (m_objfile_sp->GetSymtab() == nullptr)
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return 0;
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uint32_t resolved_flags = 0;
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if (resolve_scope & eSymbolContextSymbol) {
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sc.symbol = m_objfile_sp->GetSymtab()->FindSymbolContainingFileAddress(
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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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return resolved_flags;
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}
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CompUnitSP SymbolFileJSON::ParseCompileUnitAtIndex(uint32_t idx) { return {}; }
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void SymbolFileJSON::GetTypes(SymbolContextScope *sc_scope, TypeClass type_mask,
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lldb_private::TypeList &type_list) {}
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void SymbolFileJSON::AddSymbols(Symtab &symtab) {
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if (!m_objfile_sp)
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return;
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Symtab *json_symtab = m_objfile_sp->GetSymtab();
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if (!json_symtab)
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return;
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if (&symtab == json_symtab)
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return;
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// Merge the two symbol tables.
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const size_t num_new_symbols = json_symtab->GetNumSymbols();
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for (size_t i = 0; i < num_new_symbols; ++i) {
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Symbol *s = json_symtab->SymbolAtIndex(i);
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symtab.AddSymbol(*s);
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}
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symtab.Finalize();
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}
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