WUMSLoader/source/module/DynamicLinkingHelper.h
2020-04-28 14:43:07 +02:00

61 lines
2.9 KiB
C++

#pragma once
#include "common/dynamic_linking_defines.h"
#include "utils/logger.h"
#include <string>
#include <vector>
#include "RelocationData.h"
class DynamicLinkingHelper {
public:
/**
Gets the function entry for a given function name. If the function name is not present in the list, it will be added.
\param functionName Name of the function
\return Returns a pointer to the entry which contains the functionName. Null on error or if the list full.
**/
static dyn_linking_function_t * getOrAddFunctionEntryByName(dyn_linking_relocation_data_t * data, const char * functionName);
/**
Gets the function import entry for a given function name. If the import is not present in the list, it will be added.
This will return entries for _function_ imports.
\param importName Name of the function
\return Returns a pointer to the function import entry which contains the importName. Null on error or if the list full.
**/
static dyn_linking_import_t * getOrAddFunctionImportByName(dyn_linking_relocation_data_t * data, const char * importName);
/**
Gets the data import entry for a given data name. If the import is not present in the list, it will be added.
This will return entries for _data_ imports.
\param importName Name of the data
\return Returns a pointer to the data import entry which contains the importName. Null on error or if the list full.
**/
static dyn_linking_import_t * getOrAddDataImportByName(dyn_linking_relocation_data_t * data, const char * importName);
/**
Gets the import entry for a given data name and type. If the import is not present in the list, it will be added.
This will return entries for _data_ and _function_ imports, depending on the isData parameter.
\param importName Name of the data
\param isData Set this to true to return a data import
\return Returns a pointer to the data import entry which contains the importName. Null on error or if the list full.
**/
static dyn_linking_import_t * getOrAddImport(dyn_linking_relocation_data_t * data, const char * importName, bool isData);
static bool addReloationEntry(dyn_linking_relocation_data_t * linking_data, dyn_linking_relocation_entry_t * linking_entries, uint32_t linking_entry_length, RelocationData * relocationData);
static bool addReloationEntry(dyn_linking_relocation_data_t * linking_data, dyn_linking_relocation_entry_t * linking_entries, uint32_t linking_entry_length, char type, size_t offset, int32_t addend, void *destination, std::string name, ImportRPLInformation * rplInfo);
static bool addReloationEntry(dyn_linking_relocation_entry_t * linking_entries, uint32_t linking_entry_length, char type, size_t offset, int32_t addend, void *destination, dyn_linking_function_t * functionName, dyn_linking_import_t * importInfo);
private:
DynamicLinkingHelper() {
}
~DynamicLinkingHelper() {
}
};