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#pragma once
#include "elf_reader.h"
#include "cafe.h"
#include <map>
#include <string>
#include <vector>
class cafe_loader {
elf_reader<elf32> *m_elf;
struct import {
uint32 symbol_index;
ea_t table_ea;
ea_t thunk_ea;
std::string module;
std::string name;
int32 tls_module_index;
bool is_function;
bool is_tls;
};
std::vector<import> m_imports;
std::map<ea_t, ea_t> m_internalTrampolines;
std::vector<int> m_symbol_imports;
uint32 m_sdaBase;
uint32 m_sda2Base;
uint32 m_textSize;
uint32 m_trampAdjust;
int32 m_tlsModuleIndex;
bool m_haveFileInfo;
bool m_haveTextRegion;
bool m_isRpx;
ea_t m_textAllocBase;
ea_t m_textAllocEnd;
ea_t m_textLoadStart;
ea_t m_textLoadEnd;
ea_t m_importThunkStart;
ea_t m_importThunkEnd;
ea_t m_preTrampStart;
ea_t m_preTrampCursor;
ea_t m_postTrampCursor;
ea_t m_postTrampEnd;
public:
cafe_loader(elf_reader<elf32> *elf);
void apply();
private:
void applySegments();
void applySegment(uint32 sel,
const char *data,
uint32 addr,
uint32 size,
const char *name,
const char *sclass,
uchar perm,
uchar align,
bool load);
void collectFileInfo();
void collectImports();
void collectImportThunks();
void createTextTrampolineSegments();
bool isImportSection(uint16 section_index) const;
ea_t ensureImportThunk(size_t symbol_index, ea_t reloc_ea);
ea_t resolveSymbolValue(size_t symbol_index) const;
ea_t createRel24Trampoline(ea_t target);
int32 resolveTlsModuleIndex(size_t symbol_index) const;
void applyRelocations();
void processImports();
void processExports();
void swapSymbols();
void applySymbols();
};
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