/***
    Copyright (C) 2021 J Reece Wilson (a/k/a "Reece"). All rights reserved.

    File: ProcessMap.hpp
    Date: 2021-6-10
    Author: Reece
***/
#pragma once

namespace Aurora::Process
{
    struct PublicModule;

    struct ModuleMeta
    {
        AuString moduleName;
        AuString modulePath;
        AuUInt moduleBase {};
        AuUInt origVa {};
    };

    struct PageTable
    {
        bool NX { true };
        bool writable {};
        bool readable {};
        bool acSanity {};
    };
    
    static const auto kSectionNameStack = "STACK";
    static const auto kSectionNameFile  = "FILE";
    static const auto kSectionNameHeap  = "HEAP";

    struct Section
    {
        AuUInt baseVa {};
        AuUInt origVa {};
        AuUInt fsOff {};
        AuUInt size {};
        PageTable pt;
        AuString name;
        AuWPtr<PublicModule> moduleMeta;
    };

    using Sections = AuList<Section>;

    struct PublicModule
    {
        Sections sections;
        AuSPtr<ModuleMeta> moduleMeta;
    };
    
    /**
     * @brief Given a pointer to anything whatsoever looks up a section struct worth of page map data
     * @param pointer 
     * @return 
    */
    AUKN_SYM AuOptional<Section> GetSection(AuUInt pointer);

    /**
     * @brief Returns the executable module (like GetModuleHandle(NULL) on Windows)
     * @return 
    */
    AUKN_SYM PublicModule DumpExecutableRoot();

    /**
     * @brief Dumps all known sections belonging to points of interest and modules
     * @return 
    */
    AUKN_SYM Sections DumpExecutableAll();

    /**
     * @brief Rescans for loaded dynamic libraries, recalculates lookup tables
     * @return 
    */
    AUKN_SYM void TryRescanSlow();
}