remove overlays

2 files changed, 0 insertions, 427 deletions

diff --git a/ZAPD/Overlays/ZOverlay.cpp b/ZAPD/Overlays/ZOverlay.cpp
deleted file mode 100644
index 113c4ef..0000000
--- a/ZAPD/Overlays/ZOverlay.cpp
+++ /dev/null
@@ -1,352 +0,0 @@
-#include "ZOverlay.h"
-
-#include <cassert>
-#include <unordered_set>
-#include "Globals.h"
-#include "Utils/Directory.h"
-#include "Utils/File.h"
-#include "Utils/Path.h"
-#include "Utils/StringHelper.h"
-#include "WarningHandler.h"
-
-using namespace ELFIO;
-
-const char* RelocationEntry::GetSectionName() const
-{
-	switch (sectionType)
-	{
-	case SectionType::Text:
-		return ".text";
-	case SectionType::Data:
-		return ".data";
-	case SectionType::RoData:
-		return ".rodata";
-	case SectionType::Bss:
-		return ".bss";
-	case SectionType::ERROR:
-		return ".ERROR";
-	}
-	assert(!"Oh no :c");
-}
-
-const char* RelocationEntry::GetRelocTypeName() const
-{
-	switch (relocationType)
-	{
-	case RelocationType::R_MIPS_32:
-		return "R_MIPS_32";
-	case RelocationType::R_MIPS_26:
-		return "R_MIPS_26";
-	case RelocationType::R_MIPS_HI16:
-		return "R_MIPS_HI16";
-	case RelocationType::R_MIPS_LO16:
-		return "R_MIPS_LO16";
-	}
-	assert(!"Oh no :c");
-}
-
-ZOverlay::ZOverlay()
-{
-	name = "";
-	entries = std::vector<RelocationEntry*>();
-}
-
-ZOverlay::ZOverlay(const std::string& nName) : ZOverlay()
-{
-	name = nName;
-}
-
-ZOverlay::~ZOverlay()
-{
-	for (auto entry : entries)
-		if (entry)
-			delete entry;
-	entries.clear();
-}
-
-static const std::unordered_set<std::string> sRelSections = {
-	".rel.text",
-	".rel.data",
-	".rel.rodata",
-};
-static const std::unordered_set<std::string> sSections = {
-	".text", ".data", ".symtab", ".rodata", ".rodata.str1.4", ".rodata.cst4", ".rodata.cst8",
-};
-
-ZOverlay* ZOverlay::FromBuild(fs::path buildPath, fs::path cfgFolderPath)
-{
-	std::string cfgText = File::ReadAllText(cfgFolderPath / "overlay.cfg");
-	std::vector<std::string> cfgLines = StringHelper::Split(cfgText, "\n");
-
-	ZOverlay* ovl = new ZOverlay(StringHelper::Strip(cfgLines[0], "\r"));
-	ovl->cfgLines = cfgLines;
-
-	int32_t sectionOffs[5] = {0};
-	std::vector<RelocationEntry*> textRelocs;
-	std::vector<RelocationEntry*> dataRelocs;
-	std::vector<RelocationEntry*> rodataRelocs;
-
-	// get the elf files
-	std::vector<elfio*> readers;
-	for (size_t i = 1; i < cfgLines.size(); i++)
-	{
-		std::string elfPath =
-			(buildPath / (cfgLines[i].substr(0, cfgLines[i].size() - 2) + ".o")).string();
-		elfio* reader = new elfio();
-
-		if (!reader->load(elfPath))
-		{
-			// not all files were compiled
-			for (auto r : readers)
-				delete r;
-			readers.clear();
-
-			delete ovl;
-			return nullptr;
-		}
-
-		readers.push_back(reader);
-	}
-
-	for (size_t curReaderId = 0; curReaderId < readers.size(); curReaderId++)
-	{
-		auto& curReader = readers[curReaderId];
-
-		Elf_Half sec_num = curReader->sections.size();
-		for (int32_t i = 0; i < sec_num; i++)
-		{
-			section* pSec = curReader->sections[i];
-
-			if (pSec->get_type() != SHT_REL ||
-			    sRelSections.find(pSec->get_name()) == sRelSections.end())
-			{
-				continue;
-			}
-
-			symbol_section_accessor currentSymbols(*curReader,
-			                                       curReader->sections[(Elf_Half)pSec->get_link()]);
-
-			SectionType sectionType = GetSectionTypeFromStr(pSec->get_name());
-
-			if (sectionType == SectionType::ERROR)
-			{
-				HANDLE_WARNING(WarningType::Always, "one of the section types returned ERROR", "");
-			}
-
-			relocation_section_accessor relocs(*curReader, pSec);
-			for (Elf_Xword j = 0; j < relocs.get_entries_num(); j++)
-			{
-				Elf64_Addr offset = 0;
-				Elf_Word symbol = 0;
-				Elf_Word type = 0;
-				{
-					Elf_Sxword addend = 0;
-					relocs.get_entry(j, offset, symbol, type, addend);
-				}
-
-				std::string curSymName;
-				Elf_Half curSymShndx = SHN_UNDEF;
-				{
-					Elf64_Addr value;
-					Elf_Xword size;
-					unsigned char bind;
-					unsigned char type;
-					unsigned char other;
-					currentSymbols.get_symbol(symbol, curSymName, value, size, bind, type,
-					                          curSymShndx, other);
-				}
-
-				// check symbols outside the elf but within the overlay
-				if (curSymShndx == SHN_UNDEF)
-				{
-					if (Globals::Instance->verbosity >= VerbosityLevel::VERBOSITY_DEBUG)
-					{
-						printf("Symbol '%s' doesn't exist in current .o file (%s). Searching...\n",
-						       curSymName.c_str(), cfgLines[curReaderId + 1].c_str());
-					}
-
-					for (size_t readerId = 0; readerId < readers.size(); readerId++)
-					{
-						auto& reader = readers[readerId];
-
-						if (curSymShndx != SHN_UNDEF)
-							break;
-
-						if (reader == curReader)
-							continue;
-
-						auto sectionData = reader->sections[(Elf_Half)pSec->get_link()];
-						curSymShndx =
-							ovl->FindSymbolInSection(curSymName, sectionData, *reader, readerId);
-						if (curSymShndx != SHN_UNDEF)
-							break;
-
-						if (Globals::Instance->gccCompat)
-						{
-							// Symbol wasn't found, try checking every section
-							Elf_Half sec_num = reader->sections.size();
-							for (int32_t otherSectionIdx = 0; otherSectionIdx < sec_num;
-							     otherSectionIdx++)
-							{
-								if (curSymShndx != SHN_UNDEF)
-								{
-									break;
-								}
-
-								auto sectionDataIter = reader->sections[otherSectionIdx];
-
-								curSymShndx = ovl->FindSymbolInSection(curSymName, sectionDataIter,
-								                                       *reader, readerId);
-							}
-						}
-					}
-				}
-
-				if (curSymShndx != SHN_UNDEF)
-				{
-					RelocationType typeConverted = (RelocationType)type;
-					offset += sectionOffs[static_cast<size_t>(sectionType)];
-
-					RelocationEntry* reloc =
-						new RelocationEntry(sectionType, typeConverted, offset);
-
-					if (Globals::Instance->verbosity >= VerbosityLevel::VERBOSITY_DEBUG)
-					{
-						printf(".word 0x%08X  # %s %s 0x%04X\n", reloc->CalcRelocationWord(),
-						       reloc->GetSectionName(), reloc->GetRelocTypeName(), reloc->offset);
-					}
-
-					// this is to keep the correct reloc entry order
-					if (sectionType == SectionType::Text)
-						textRelocs.push_back(reloc);
-					if (sectionType == SectionType::Data)
-						dataRelocs.push_back(reloc);
-					if (sectionType == SectionType::RoData)
-						rodataRelocs.push_back(reloc);
-				}
-			}
-		}
-
-		// increase section offsets
-		for (int32_t i = 0; i < sec_num; i++)
-		{
-			section* pSec = curReader->sections[i];
-			if (pSec->get_type() == SHT_PROGBITS &&
-			    sSections.find(pSec->get_name()) != sSections.end())
-			{
-				SectionType sectionType = GetSectionTypeFromStr(pSec->get_name());
-				sectionOffs[static_cast<size_t>(sectionType)] += pSec->get_size();
-			}
-		}
-	}
-
-	ovl->entries.reserve(textRelocs.size() + dataRelocs.size() + rodataRelocs.size());
-	ovl->entries.insert(ovl->entries.end(), textRelocs.begin(), textRelocs.end());
-	ovl->entries.insert(ovl->entries.end(), dataRelocs.begin(), dataRelocs.end());
-	ovl->entries.insert(ovl->entries.end(), rodataRelocs.begin(), rodataRelocs.end());
-
-	for (auto r : readers)
-		delete r;
-	readers.clear();
-
-	return ovl;
-}
-
-std::string ZOverlay::GetSourceOutputCode([[maybe_unused]] const std::string& prefix)
-{
-	std::string output;
-
-	output += ".section .ovl\n";
-
-	output += StringHelper::Sprintf("# %sOverlayInfo\n", name.c_str());
-	output += StringHelper::Sprintf(".word _%sSegmentTextSize\n", name.c_str());
-	output += StringHelper::Sprintf(".word _%sSegmentDataSize\n", name.c_str());
-	output += StringHelper::Sprintf(".word _%sSegmentRoDataSize\n", name.c_str());
-	output += StringHelper::Sprintf(".word _%sSegmentBssSize\n", name.c_str());
-	output += "\n";
-
-	output += StringHelper::Sprintf(".word %i # reloc_count\n", entries.size());
-
-	for (size_t i = 0; i < entries.size(); i++)
-	{
-		RelocationEntry* reloc = entries[i];
-		output += StringHelper::Sprintf(".word 0x%08X  # %s %s 0x%04X\n",
-		                                reloc->CalcRelocationWord(), reloc->GetSectionName(),
-		                                reloc->GetRelocTypeName(), reloc->offset);
-	}
-
-	size_t offset = (entries.size() * 4) + 20;
-
-	while (offset % 16 != 12)
-	{
-		output += ".word 0\n";
-		offset += 4;
-	}
-
-	output += "\n";
-	output +=
-		StringHelper::Sprintf(".word 0x%08X # %sOverlayInfoOffset\n", offset + 4, name.c_str());
-	return output;
-}
-
-SectionType ZOverlay::GetSectionTypeFromStr(const std::string& sectionName)
-{
-	if (sectionName == ".rel.text" || sectionName == ".text")
-		return SectionType::Text;
-	else if (sectionName == ".rel.data" || sectionName == ".data")
-		return SectionType::Data;
-	else if (sectionName == ".rel.rodata" || sectionName == ".rodata" ||
-	         sectionName == ".rodata.str1.4" || sectionName == ".rodata.cst4")
-		return SectionType::RoData;
-	else if (sectionName == ".rel.bss" || sectionName == ".bss")
-		return SectionType::Bss;
-
-	return SectionType::ERROR;
-}
-
-ELFIO::Elf_Half ZOverlay::FindSymbolInSection(const std::string& curSymName,
-                                              ELFIO::section* sectionData, ELFIO::elfio& reader,
-                                              size_t readerId)
-{
-	if (sectionData == nullptr)
-		return SHN_UNDEF;
-
-	auto sectionDataName = sectionData->get_name();
-	if (sSections.find(sectionDataName) == sSections.end())
-		return SHN_UNDEF;
-
-#ifdef DEVELOPMENT
-	if (Globals::Instance->verbosity >= VerbosityLevel::VERBOSITY_DEBUG)
-	{
-		printf("\t File '%s' section: %s \n", cfgLines[readerId + 1].c_str(),
-		       sectionDataName.c_str());
-	}
-#endif
-
-	symbol_section_accessor symbols(reader, sectionData);
-
-	Elf_Xword symbolNum = symbols.get_symbols_num();
-	for (Elf_Xword symIdx = 0; symIdx < symbolNum; symIdx++)
-	{
-		Elf_Half shndx = SHN_UNDEF;
-		Elf64_Addr value;
-		std::string name;
-		Elf_Xword size;
-		unsigned char bind;
-		unsigned char type;
-		unsigned char other;
-
-		symbols.get_symbol(symIdx, name, value, size, bind, type, shndx, other);
-
-		if (name == curSymName)
-		{
-			if (Globals::Instance->verbosity >= VerbosityLevel::VERBOSITY_DEBUG)
-			{
-				printf("\t Symbol '%s' found in '%s' '%s' \n", curSymName.c_str(),
-				       cfgLines[readerId + 1].c_str(), sectionDataName.c_str());
-			}
-			return shndx;
-		}
-	}
-	return SHN_UNDEF;
-}
diff --git a/ZAPD/Overlays/ZOverlay.h b/ZAPD/Overlays/ZOverlay.h
deleted file mode 100644
index 98ead90..0000000
--- a/ZAPD/Overlays/ZOverlay.h
+++ /dev/null
@@ -1,75 +0,0 @@
-#pragma once
-
-#include "Utils/Directory.h"
-#include "ZResource.h"
-#include "elfio/elfio.hpp"
-#include "tinyxml2.h"
-
-enum class SectionType
-{
-	Text = 1,
-	Data = 2,
-	RoData = 3,
-	Bss = 4,
-	ERROR = 255
-};
-
-enum class RelocationType
-{
-	R_MIPS_32 = 2,
-	R_MIPS_26 = 4,
-	R_MIPS_HI16 = 5,
-	R_MIPS_LO16 = 6,
-};
-
-class RelocationEntry
-{
-public:
-	SectionType sectionType;
-	RelocationType relocationType;
-	int32_t offset;
-
-	RelocationEntry(SectionType nSecType, RelocationType nRelType, int32_t nOffset)
-	{
-		sectionType = nSecType;
-		relocationType = nRelType;
-		offset = nOffset;
-	}
-
-	uint32_t CalcRelocationWord()
-	{
-		uint32_t relocationWord = 0;
-
-		relocationWord |= static_cast<uint32_t>(sectionType) << 30;
-		relocationWord |= static_cast<uint32_t>(relocationType) << 24;
-		relocationWord |= offset;
-
-		return relocationWord;
-	}
-
-	const char* GetSectionName() const;
-	const char* GetRelocTypeName() const;
-};
-
-class ZOverlay
-{
-public:
-	std::string name;
-
-	ZOverlay(const std::string& nName);
-	~ZOverlay();
-	static ZOverlay* FromBuild(fs::path buildPath, fs::path cfgFolderPath);
-	std::string GetSourceOutputCode(const std::string& prefix);
-
-private:
-	std::vector<RelocationEntry*> entries;
-	std::vector<std::string> cfgLines;
-
-	ZOverlay();
-
-	static SectionType GetSectionTypeFromStr(const std::string& sectionName);
-	// static std::string GetOverlayNameFromElf(ELFIO::elfio& reader);
-
-	ELFIO::Elf_Half FindSymbolInSection(const std::string& curSymName, ELFIO::section* sectionData,
-	                                    ELFIO::elfio& reader, size_t readerId);
-};