- push %rax /* 8th arg: glibc ABI compatible */
- push %rsp /* 7th arg: glibc ABI compatible */
- xor %r8,%r8 /* 5th arg: always 0 */
- xor %rcx,%rcx /* 4th arg: always 0 */
+ mov $_fini,%r8 /* 5th arg: fini/dtors function */
+ mov $_init,%rcx /* 4th arg: init/ctors function */