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