d01917c507
It seems that when trying to link the lldb library explicitly, the inlined default constructor cannot find the vtable for the class. This patch fixes this by explicitly declaring a default constructor in `PersistentExpressionState`, and providing the definition in the source file. Differential Revision: https://reviews.llvm.org/D151501
87 lines
3.0 KiB
C++
87 lines
3.0 KiB
C++
//===-- ExpressionVariable.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 "lldb/Expression/ExpressionVariable.h"
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#include "lldb/Expression/IRExecutionUnit.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Utility/LLDBLog.h"
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#include "lldb/Utility/Log.h"
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#include <optional>
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using namespace lldb_private;
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char ExpressionVariable::ID;
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ExpressionVariable::ExpressionVariable() : m_flags(0) {}
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uint8_t *ExpressionVariable::GetValueBytes() {
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std::optional<uint64_t> byte_size = m_frozen_sp->GetByteSize();
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if (byte_size && *byte_size) {
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if (m_frozen_sp->GetDataExtractor().GetByteSize() < *byte_size) {
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m_frozen_sp->GetValue().ResizeData(*byte_size);
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m_frozen_sp->GetValue().GetData(m_frozen_sp->GetDataExtractor());
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}
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return const_cast<uint8_t *>(
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m_frozen_sp->GetDataExtractor().GetDataStart());
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}
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return nullptr;
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}
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char PersistentExpressionState::ID;
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PersistentExpressionState::PersistentExpressionState() = default;
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PersistentExpressionState::~PersistentExpressionState() = default;
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lldb::addr_t PersistentExpressionState::LookupSymbol(ConstString name) {
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SymbolMap::iterator si = m_symbol_map.find(name.GetCString());
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if (si != m_symbol_map.end())
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return si->second;
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else
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return LLDB_INVALID_ADDRESS;
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}
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void PersistentExpressionState::RegisterExecutionUnit(
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lldb::IRExecutionUnitSP &execution_unit_sp) {
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Log *log = GetLog(LLDBLog::Expressions);
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m_execution_units.insert(execution_unit_sp);
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LLDB_LOGF(log, "Registering JITted Functions:\n");
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for (const IRExecutionUnit::JittedFunction &jitted_function :
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execution_unit_sp->GetJittedFunctions()) {
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if (jitted_function.m_external &&
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jitted_function.m_name != execution_unit_sp->GetFunctionName() &&
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jitted_function.m_remote_addr != LLDB_INVALID_ADDRESS) {
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m_symbol_map[jitted_function.m_name.GetCString()] =
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jitted_function.m_remote_addr;
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LLDB_LOGF(log, " Function: %s at 0x%" PRIx64 ".",
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jitted_function.m_name.GetCString(),
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jitted_function.m_remote_addr);
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}
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}
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LLDB_LOGF(log, "Registering JIIted Symbols:\n");
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for (const IRExecutionUnit::JittedGlobalVariable &global_var :
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execution_unit_sp->GetJittedGlobalVariables()) {
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if (global_var.m_remote_addr != LLDB_INVALID_ADDRESS) {
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// Demangle the name before inserting it, so that lookups by the ConstStr
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// of the demangled name will find the mangled one (needed for looking up
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// metadata pointers.)
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Mangled mangler(global_var.m_name);
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mangler.GetDemangledName();
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m_symbol_map[global_var.m_name.GetCString()] = global_var.m_remote_addr;
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LLDB_LOGF(log, " Symbol: %s at 0x%" PRIx64 ".",
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global_var.m_name.GetCString(), global_var.m_remote_addr);
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}
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}
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}
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