MicrosoftABIRuntime.h

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//===----------------------------------------------------------------------===//
//
// 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_MICROSOFTABIRUNTIME_H
#define LLDB_SOURCE_PLUGINS_LANGUAGERUNTIME_CPLUSPLUS_MICROSOFTABIRUNTIME_H
 
#include "CommonABIRuntime.h"
#include "lldb/Target/LanguageRuntime.h"
#include "lldb/ValueObject/ValueObject.h"
 
namespace lldb_private {
 
class MicrosoftABIRuntime : public CommonABIRuntime {
public:
  MicrosoftABIRuntime(Process *process);
 
  llvm::StringRef GetName() const override { return "Microsoft ABI runtime"; }
 
  bool GetDynamicTypeAndAddress(ValueObject &in_value,
                                lldb::DynamicValueType use_dynamic,
                                const LanguageRuntime::VTableInfo &vtable_info,
                                TypeAndOrName &class_type_or_name,
                                Address &dynamic_address) override;
 
  bool IsVTableSymbol(Mangled &mangled) const override;
 
private:
  TypeAndOrName
  GetTypeInfo(ValueObject &in_value,
              const LanguageRuntime::VTableInfo &vtable_info,
              llvm::SmallVectorImpl<llvm::StringRef> &vtable_components);
 
  std::optional<int64_t>
  GetOffsetToTop(ValueObject &in_value, TypeAndOrName &class_type_or_name,
                 const LanguageRuntime::VTableInfo &vtable_info);
 
  std::optional<int64_t>
  GetOffsetToTopFromRTTI(const LanguageRuntime::VTableInfo &vtable_info,
                         const CompilerType &dynamic_type);
 
  std::optional<int64_t>
  GetOffsetToTopFromAST(const CompilerType &in_type, ValueObject &in_value,
                        const CompilerType &dyn_type,
                        const LanguageRuntime::VTableInfo &vtable_info,
                        llvm::ArrayRef<llvm::StringRef> vtable_components);
 
  using OffsetToTopCache = std::map<Address, int64_t>;
 
  OffsetToTopCache m_offset_to_top_map;
};
 
} // namespace lldb_private
 
#endif