38 lines
827 B
C
38 lines
827 B
C
|
#ifndef LIBLOADER_H
|
||
|
|
|
||
|
|
#define LIBLOADER_H
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <dlfcn.h>
|
||
|
|
|
||
|
|
#define HOOK(name, return_type, args) \
|
||
|
|
typedef return_type (*name##_t)args; \
|
||
|
|
static name##_t real_##name = NULL; \
|
||
|
|
\
|
||
|
|
__attribute__((__unused__)) static void ensure_##name() { \
|
||
|
|
if (!real_##name) { \
|
||
|
|
dlerror(); \
|
||
|
|
real_##name = (name##_t) dlsym(RTLD_NEXT, #name); \
|
||
|
|
if (!real_##name) { \
|
||
|
|
fprintf(stderr, "Error Resolving Symbol: "#name": %s\n", dlerror()); \
|
||
|
|
exit(1); \
|
||
|
|
} \
|
||
|
|
} \
|
||
|
|
}; \
|
||
|
|
\
|
||
|
|
__attribute__((__used__)) return_type name args
|
||
|
|
|
||
|
|
void overwrite(void *start, void *target);
|
||
|
|
void patch(void *start, unsigned char patch[]);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|