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/* -*- c-file-style: "GNU" -*- */
/*
* Copyright (C) CNRS, INRIA, Université Bordeaux 1, Télécom SudParis
* See COPYING in top-level directory.
*
*
* libpreload.c
*
* Created on: 29 Sep. 2011
* Author: Damien Martin-Guillerez <damien.martin-guillerez@inria.fr>
*/
#include <dlfcn.h>
#include "hijacks.h"
int (*orig_foo)(int, int);
int (*orig_bar)();
int foo(int a, int b) {
hijack_foo_intro(a, b);
int r = orig_foo(a, b);
hijack_foo_outro(a, b, r);
return r;
}
int bar() {
hijack_bar_intro();
int r = orig_bar();
hijack_bar_outro(r);
return r;
}
void __hijack_init(void) __attribute__ ((constructor));
/* Initialize the current library */
void __hijack_init(void) {
void* handle = dlopen("libalacon.so", RTLD_NOW);
if (handle) {
orig_foo = dlsym(handle, "foo");
orig_bar = dlsym(handle, "bar");
}
}
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