taihen_internal.h

#ifndef TAI_INTERNAL_HEADER
#define TAI_INTERNAL_HEADER

#include <psp2kern/types.h>
#include <inttypes.h>
#include <stdio.h>
#include "taihen.h"
#include "slab.h"

extern unsigned char log_ctr;

#ifdef ENABLE_LOGGING
#define LOG(fmt, ...) printf("%02X [%s:%d] " fmt "\n", log_ctr++, __FUNCTION__, __LINE__, ##__VA_ARGS__)
#else
#define LOG(fmt, ...)
#endif

#define FUNC_SAVE_SIZE 16

#define SHARED_PID 0x80000000

#define DEFAULT_FW_VERSION 0x3600000

typedef enum {
  HOOKS,
  INJECTION
} tai_patch_type_t;

typedef struct _tai_hook {
  struct _tai_hook_user u;      
  // TODO: obfuscate these two kernel pointers as they might be stored in userland
  // also put a MAC over them
  struct _tai_hook *next;       
  struct _tai_patch *patch;     
} tai_hook_t;

typedef struct _tai_inject {
  void *saved;                  
  size_t size;                  
  struct _tai_patch *patch;     
} tai_inject_t;

typedef struct _tai_hook_list {
  void *func;                   
  void *old;                    
  void *saved;                  
  struct _tai_hook *head;       
} tai_hook_list_t;

typedef struct _tai_patch {
  uint32_t sce_reserved[2];     
  union {
    struct _tai_inject inject;  
    struct _tai_hook_list hooks;
  } data;
  tai_patch_type_t type;        
  SceUID uid;                   
  SceUID pid;                   
  uintptr_t addr;               
  size_t size;                  
  struct _tai_patch *next;      
  struct slab_chain *slab;      
} tai_patch_t;

typedef struct _tai_proc {
  SceUID pid;                   
  tai_patch_t *head;            
  struct slab_chain slab;       
  struct _tai_proc *next;       
} tai_proc_t;

#endif // TAI_INTERNAL_HEADER