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//===-- ItaniumABILanguageRuntime.h -----------------------------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
#ifndef LLDB_SOURCE_PLUGINS_LANGUAGERUNTIME_CPLUSPLUS_ITANIUMABI_ITANIUMABILANGUAGERUNTIME_H
#define LLDB_SOURCE_PLUGINS_LANGUAGERUNTIME_CPLUSPLUS_ITANIUMABI_ITANIUMABILANGUAGERUNTIME_H
#include <map>
#include <mutex>
#include <vector>
#include "lldb/Breakpoint/BreakpointResolver.h"
#include "lldb/Core/Value.h"
#include "lldb/Symbol/Type.h"
#include "lldb/Target/LanguageRuntime.h"
#include "lldb/lldb-private.h"
#include "Plugins/LanguageRuntime/CPlusPlus/CPPLanguageRuntime.h"
namespace lldb_private {
class ItaniumABILanguageRuntime : public lldb_private::CPPLanguageRuntime {
public:
~ItaniumABILanguageRuntime() override = default;
// Static Functions
static void Initialize();
static void Terminate();
static lldb_private::LanguageRuntime *
CreateInstance(Process *process, lldb::LanguageType language);
static llvm::StringRef GetPluginNameStatic() { return "itanium"; }
static char ID;
bool isA(const void *ClassID) const override {
return ClassID == &ID || CPPLanguageRuntime::isA(ClassID);
}
static bool classof(const LanguageRuntime *runtime) {
return runtime->isA(&ID);
}
llvm::Expected<LanguageRuntime::VTableInfo>
GetVTableInfo(ValueObject &in_value, bool check_type) override;
bool GetDynamicTypeAndAddress(ValueObject &in_value,
lldb::DynamicValueType use_dynamic,
TypeAndOrName &class_type_or_name,
Address &address, Value::ValueType &value_type,
llvm::ArrayRef<uint8_t> &local_buffer) override;
TypeAndOrName FixUpDynamicType(const TypeAndOrName &type_and_or_name,
ValueObject &static_value) override;
bool CouldHaveDynamicValue(ValueObject &in_value) override;
void SetExceptionBreakpoints() override;
void ClearExceptionBreakpoints() override;
bool ExceptionBreakpointsAreSet() override;
bool ExceptionBreakpointsExplainStop(lldb::StopInfoSP stop_reason) override;
lldb::BreakpointResolverSP
CreateExceptionResolver(const lldb::BreakpointSP &bkpt,
bool catch_bp, bool throw_bp) override;
lldb::SearchFilterSP CreateExceptionSearchFilter() override;
lldb::ValueObjectSP GetExceptionObjectForThread(
lldb::ThreadSP thread_sp) override;
// PluginInterface protocol
llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
protected:
lldb::BreakpointResolverSP
CreateExceptionResolver(const lldb::BreakpointSP &bkpt,
bool catch_bp, bool throw_bp, bool for_expressions);
lldb::BreakpointSP CreateExceptionBreakpoint(bool catch_bp, bool throw_bp,
bool for_expressions,
bool is_internal);
private:
typedef std::map<lldb_private::Address, TypeAndOrName> DynamicTypeCache;
typedef std::map<lldb_private::Address, VTableInfo> VTableInfoCache;
ItaniumABILanguageRuntime(Process *process)
: // Call CreateInstance instead.
lldb_private::CPPLanguageRuntime(process) {}
lldb::BreakpointSP m_cxx_exception_bp_sp;
DynamicTypeCache m_dynamic_type_map;
VTableInfoCache m_vtable_info_map;
std::mutex m_mutex;
TypeAndOrName GetTypeInfo(ValueObject &in_value,
const VTableInfo &vtable_info);
TypeAndOrName GetDynamicTypeInfo(const lldb_private::Address &vtable_addr);
void SetDynamicTypeInfo(const lldb_private::Address &vtable_addr,
const TypeAndOrName &type_info);
// Check if a compiler type has a vtable.
//
// If the compiler type is a pointer or a reference, this function will check
// if the pointee type has a vtable, else it will check the type passed in.
//
// Returns an error if the type of the value doesn't have a vtable with an
// explanation why, or returns an Error::success() if the type has a vtable.
llvm::Error TypeHasVTable(CompilerType compiler_type);
};
} // namespace lldb_private
#endif // LLDB_SOURCE_PLUGINS_LANGUAGERUNTIME_CPLUSPLUS_ITANIUMABI_ITANIUMABILANGUAGERUNTIME_H
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