================ @@ -0,0 +1,325 @@ +//===-- ValueObjectVTable.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 "lldb/Core/ValueObjectVTable.h" +#include "lldb/Core/Module.h" +#include "lldb/Core/ValueObjectChild.h" +#include "lldb/Symbol/Function.h" +#include "lldb/lldb-defines.h" +#include "lldb/lldb-enumerations.h" +#include "lldb/lldb-forward.h" +#include "lldb/lldb-private-enumerations.h" +#include "clang/Tooling/Transformer/RangeSelector.h" +#include "llvm/Support/MathExtras.h" +#include <cstdint> + +using namespace lldb; +using namespace lldb_private; + +class ValueObjectVTableChild : public ValueObject { +public: + ValueObjectVTableChild(ValueObject &parent, uint32_t func_idx, + uint64_t addr_size) + : ValueObject(parent), m_func_idx(func_idx), m_addr_size(addr_size) { + SetFormat(eFormatPointer); + SetName(ConstString(llvm::formatv("[{0}]", func_idx).str())); + } + + ~ValueObjectVTableChild() override = default; + + std::optional<uint64_t> GetByteSize() override { return m_addr_size; }; + + size_t CalculateNumChildren(uint32_t max) override { return 0; }; + + ValueType GetValueType() const override { return eValueTypeVTableEntry; }; + + bool IsInScope() override { + ValueObject *parent = GetParent(); + if (parent) + return parent->IsInScope(); + return false; + }; + +protected: + bool UpdateValue() override { + SetValueIsValid(false); + m_value.Clear(); + ValueObject *parent = GetParent(); + if (!parent) { + m_error.SetErrorString("no parent object"); + return false; + } + + addr_t parent_addr = parent->GetValueAsUnsigned(LLDB_INVALID_ADDRESS); + if (parent_addr == LLDB_INVALID_ADDRESS) { + m_error.SetErrorString("parent has invalid address"); + return false; + } + + ProcessSP process_sp = GetProcessSP(); + if (!process_sp) { + m_error.SetErrorString("no process"); + return false; + } + ---------------- clayborg wrote:
I just verified that the vtable isn't filled in when it is sitting in a .data section until the program runs, so looks like it is ok to require a process. https://github.com/llvm/llvm-project/pull/67599 _______________________________________________ lldb-commits mailing list lldb-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
