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| //===-- ReproducerInstrumentation.cpp ---------------------------*- 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
//
//===----------------------------------------------------------------------===//
#include "lldb/Utility/ReproducerInstrumentation.h"
#include "lldb/Utility/Reproducer.h"
using namespace lldb_private;
using namespace lldb_private::repro;
void *IndexToObject::GetObjectForIndexImpl(unsigned idx) {
return m_mapping.lookup(idx);
}
void IndexToObject::AddObjectForIndexImpl(unsigned idx, void *object) {
assert(idx != 0 && "Cannot add object for sentinel");
m_mapping[idx] = object;
}
template <> char *Deserializer::Deserialize<char *>() {
return const_cast<char *>(Deserialize<const char *>());
}
template <> const char *Deserializer::Deserialize<const char *>() {
auto pos = m_buffer.find('\0');
if (pos == llvm::StringRef::npos)
return nullptr;
const char *str = m_buffer.data();
m_buffer = m_buffer.drop_front(pos + 1);
return str;
}
bool Registry::Replay(const FileSpec &file) {
auto error_or_file = llvm::MemoryBuffer::getFile(file.GetPath());
if (auto err = error_or_file.getError())
return false;
return Replay((*error_or_file)->getBuffer());
}
bool Registry::Replay(llvm::StringRef buffer) {
#ifndef LLDB_REPRO_INSTR_TRACE
Log *log = GetLogIfAllCategoriesSet(LIBLLDB_LOG_API);
#endif
Deserializer deserializer(buffer);
while (deserializer.HasData(1)) {
unsigned id = deserializer.Deserialize<unsigned>();
#ifndef LLDB_REPRO_INSTR_TRACE
LLDB_LOG(log, "Replaying {0}: {1}", id, GetSignature(id));
#else
llvm::errs() << "Replaying " << id << ": " << GetSignature(id) << "\n";
#endif
GetReplayer(id)->operator()(deserializer);
}
return true;
}
void Registry::DoRegister(uintptr_t RunID, std::unique_ptr<Replayer> replayer,
SignatureStr signature) {
const unsigned id = m_replayers.size() + 1;
assert(m_replayers.find(RunID) == m_replayers.end());
m_replayers[RunID] = std::make_pair(std::move(replayer), id);
m_ids[id] =
std::make_pair(m_replayers[RunID].first.get(), std::move(signature));
}
unsigned Registry::GetID(uintptr_t addr) {
unsigned id = m_replayers[addr].second;
assert(id != 0 && "Forgot to add function to registry?");
return id;
}
std::string Registry::GetSignature(unsigned id) {
assert(m_ids.count(id) != 0 && "ID not in registry");
return m_ids[id].second.ToString();
}
Replayer *Registry::GetReplayer(unsigned id) {
assert(m_ids.count(id) != 0 && "ID not in registry");
return m_ids[id].first;
}
std::string Registry::SignatureStr::ToString() const {
return (result + (result.empty() ? "" : " ") + scope + "::" + name + args)
.str();
}
unsigned ObjectToIndex::GetIndexForObjectImpl(const void *object) {
unsigned index = m_mapping.size() + 1;
auto it = m_mapping.find(object);
if (it == m_mapping.end())
m_mapping[object] = index;
return m_mapping[object];
}
Recorder::Recorder(llvm::StringRef pretty_func, std::string &&pretty_args)
: m_serializer(nullptr), m_pretty_func(pretty_func),
m_pretty_args(pretty_args), m_local_boundary(false),
m_result_recorded(true) {
if (!g_global_boundary) {
g_global_boundary = true;
m_local_boundary = true;
LLDB_LOG(GetLogIfAllCategoriesSet(LIBLLDB_LOG_API), "{0} ({1})",
m_pretty_func, m_pretty_args);
}
}
Recorder::~Recorder() {
assert(m_result_recorded && "Did you forget LLDB_RECORD_RESULT?");
UpdateBoundary();
}
bool lldb_private::repro::Recorder::g_global_boundary;
|