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#include <stdio.h> void lazenca(int a){ printf("lazenca.0x%d\n",a); } |
#include <stdio.h> void main(){ lazenca(10,10); } |
lazenca0x0@ubuntu:~/Documents/Definition/protection/PIC$ gcc -fPIC -shared -o libPIC.so lazenca.c |
include /etc/ld.so.conf.d/*.confe |
/home/autolycos/Documents/ |
$ sudo ldconfig |
lazenca0x0@ubuntu:~/Documents/Definition/protection/PIC$ gcc -o NonPIC test.c -lNonPIC -L. test.c: In function 'main': test.c:4:5: warning: implicit declaration of function 'lazenca' [-Wimplicit-function-declaration] lazenca(10,10); ^ lazenca0x0@ubuntu:~/Documents/Definition/protection/PIC$ |
lazenca0x0@ubuntu:~/Documents/Definition/protection/PIC$ ./NonPIC Lazenca.0x10 lazenca0x0@ubuntu:~/Documents/Definition/protection/PIC$ |
lazenca0x0@ubuntu:~/Documents/Definition/protection/PIC$ ldd ./NonPIC linux-vdso.so.1 => (0x00007fffb8fd9000) libNonPIC.so => /home/lazenca0x0/Documents/Definition/protection/PIC/libNonPIC.so (0x00007f866f6d3000) libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f866f309000) /lib64/ld-linux-x86-64.so.2 (0x0000564199d90000) lazenca0x0@ubuntu:~/Documents/Definition/protection/PIC$ |
lazenca0x0@ubuntu:~/Documents/Definition/protection/PIC$ ./NonPIC ./NonPIC: error while loading shared libraries: libNonPIC.so: cannot open shared object file: No such file or directory lazenca0x0@ubuntu:~/Documents/Definition/protection/PIC$ |