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// Copyright (c) 2017 Egor Tensin <Egor.Tensin@gmail.com>
// This file is part of the "PDB repository" project.
// For details, see https://github.com/egor-tensin/pdb-repo.
// Distributed under the MIT License.
#include "pdb/all.hpp"
#include <safeint.h>
#include <cstring>
#include <sstream>
#include <stdexcept>
#include <string>
namespace pdb {
ModuleInfo::ModuleInfo() : ModuleInfo{create_raw()} {}
ModuleInfo::ModuleInfo(const Raw& raw) : raw{raw} {
if (raw.SizeOfStruct != sizeof(raw))
throw std::runtime_error{"invalid IMAGEHLP_MODULE64.SizeOfStruct"};
}
ModuleInfo::Raw ModuleInfo::create_raw() {
Raw raw;
std::memset(&raw, 0, sizeof(raw));
raw.SizeOfStruct = sizeof(raw);
return raw;
}
Address Module::translate_offline_address(Address offline) const {
if (offline < get_offline_base())
throw std::range_error{invalid_offline_address(offline)};
const auto offset = offline - get_offline_base();
auto online = offset;
if (!msl::utilities::SafeAdd(online, get_online_base(), online))
throw std::range_error{invalid_offline_address(offline)};
return online;
}
Address Module::translate_online_address(Address online) const {
if (online < get_online_base())
throw std::range_error{invalid_online_address(online)};
const auto offset = online - get_online_base();
auto offline = offset;
if (!msl::utilities::SafeAdd(offline, get_offline_base(), offline))
throw std::range_error{invalid_online_address(offline)};
return offline;
}
std::string Module::invalid_offline_address(Address offline) const {
std::ostringstream oss;
oss << "offline address " << format_address(offline) << " doesn't belong to module "
<< get_name() << " (base offline address " << format_address(get_offline_base()) << ')';
return oss.str();
}
std::string Module::invalid_online_address(Address online) const {
std::ostringstream oss;
oss << "online address " << format_address(online) << " doesn't belong to module " << get_name()
<< " (base online address " << format_address(get_online_base()) << ')';
return oss.str();
}
} // namespace pdb
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