Add module defines

This commit is contained in:
Maschell 2020-06-06 16:46:11 +02:00
parent bd3a9e2cd2
commit c88c061613
5 changed files with 161 additions and 0 deletions

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@ -34,6 +34,7 @@
#include <unistd.h> #include <unistd.h>
#include <dirent.h> #include <dirent.h>
#include <stdbool.h> #include <stdbool.h>
#include "defines/module_defines.h"
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {

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/****************************************************************************
* Copyright (C) 2018 Maschell
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
****************************************************************************/
#pragma once
#include <stdint.h>
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
#define DYN_LINK_FUNCTION_NAME_LENGTH 351
#define DYN_LINK_IMPORT_NAME_LENGTH 50
#define DYN_LINK_FUNCTION_LIST_LENGTH 500
#define DYN_LINK_IMPORT_LIST_LENGTH 50
#define DYN_LINK_TRAMPOLIN_LIST_LENGTH DYN_LINK_FUNCTION_LIST_LENGTH
typedef struct _dyn_linking_function_t {
char functionName[DYN_LINK_FUNCTION_NAME_LENGTH + 1];
void *address;
} dyn_linking_function_t;
typedef struct _dyn_linking_import_t {
char importName[DYN_LINK_IMPORT_NAME_LENGTH + 1];
bool isData = false;
} dyn_linking_import_t;
typedef struct _dyn_linking_relocation_entry_t {
dyn_linking_function_t *functionEntry = NULL;
dyn_linking_import_t *importEntry = NULL;
void *destination = NULL;
char type;
size_t offset;
int32_t addend;
} dyn_linking_relocation_entry_t;
typedef struct _dyn_linking_relocation_data_t {
dyn_linking_function_t functions[DYN_LINK_FUNCTION_LIST_LENGTH];
dyn_linking_import_t imports[DYN_LINK_IMPORT_LIST_LENGTH];
} dyn_linking_relocation_data_t;
#ifdef __cplusplus
}
#endif

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#pragma once
#include <cstdint>
#define EXPORT_MAXIMUM_NAME_LENGTH 50
typedef struct export_data_t {
uint32_t type;
char name[EXPORT_MAXIMUM_NAME_LENGTH];
uint32_t address = 0;
} export_data_t;

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/****************************************************************************
* Copyright (C) 2018-2019 Maschell
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
****************************************************************************/
#pragma once
#include <stdint.h>
#include <stddef.h>
#include "dynamic_linking_defines.h"
#include "relocation_defines.h"
#include "export_defines.h"
#ifdef __cplusplus
extern "C" {
#endif
#define MAXIMUM_MODULE_PATH_NAME_LENGTH 256
#define MAXIMUM_EXPORT_MODULE_NAME_LENGTH 51
#define DYN_LINK_RELOCATION_LIST_LENGTH 500
#define EXPORT_ENTRY_LIST_LENGTH 100
#define HOOK_ENTRY_LIST_LENGTH 10
typedef struct hook_data_t {
uint32_t type;
uint32_t target = 0;
} hook_data_t;
struct module_information_single_t {
char path[MAXIMUM_MODULE_PATH_NAME_LENGTH] = ""; // Path where the module is stored
dyn_linking_relocation_entry_t linking_entries[DYN_LINK_RELOCATION_LIST_LENGTH];
char module_export_name[MAXIMUM_EXPORT_MODULE_NAME_LENGTH];
export_data_t export_entries[EXPORT_ENTRY_LIST_LENGTH];
hook_data_t hook_entries[HOOK_ENTRY_LIST_LENGTH];
int32_t priority; // Priority of this module
uint32_t bssAddr;
uint32_t bssSize;
uint32_t sbssAddr;
uint32_t sbssSize;
uint32_t entrypoint;
uint32_t startAddress;
uint32_t endAddress;
};
#define MAXIMUM_MODULES 8
struct module_information_t {
int32_t number_used_modules = 0; // Number of used function. Maximum is MAXIMUM_MODULES
dyn_linking_relocation_data_t linking_data;
relocation_trampolin_entry_t trampolines[DYN_LINK_TRAMPOLIN_LIST_LENGTH];
module_information_single_t module_data[MAXIMUM_MODULES];
};
#ifdef __cplusplus
}
#endif

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#pragma once
#include <stdint.h>
typedef enum RelocationTrampolinStatus{
RELOC_TRAMP_FREE = 0,
RELOC_TRAMP_FIXED = 1,
RELOC_TRAMP_IMPORT_IN_PROGRESS = 2,
RELOC_TRAMP_IMPORT_DONE = 3,
} RelocationTrampolinStatus;
typedef enum RelocationType{
RELOC_TYPE_FIXED = 0,
RELOC_TYPE_IMPORT = 1
} RelocationType;
typedef struct relocation_trampolin_entry_t {
uint32_t id;
uint32_t trampolin[4];
RelocationTrampolinStatus status = RELOC_TRAMP_FREE;
} relocation_trampolin_entry_t;