#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdlib.h>
#include <malloc/malloc.h>
typedef struct interpose_s{
void *new_func;
void *orig_func;
}interpose_t;
void *my_malloc(int size);
void my_free (void *);
static const interpose_t interposing_functions[] \
__attribute__ ((used,section("__DATA, __interpose"))) = {
{ (void *)my_free, (void *)free },
{ (void *)my_malloc, (void *)malloc },
};
void *my_malloc(int size){
void *returned = malloc(size);
malloc_printf("+ %p %d\n", returned, size);
return (returned);
}
void my_free(void *freed){
malloc_printf("- %p\n", freed);
free(freed);
}
为什么很少看见这种方式的hook，今天在ios14上运行了一下没生效，是不再兼容了吗？？
