github.com/afumu/libc@v0.0.6/musl/src/thread/x32/__unmapself.s (about)

     1  /* Copyright 2011-2012 Nicholas J. Kain, licensed under standard MIT license */
     2  .text
     3  .global __unmapself
     4  .type   __unmapself,@function
     5  __unmapself:
     6  	movl $0x4000000b,%eax   /* SYS_munmap */
     7  	syscall         /* munmap(arg2,arg3) */
     8  	xor %rdi,%rdi   /* exit() args: always return success */
     9  	movl $0x4000003c,%eax   /* SYS_exit */
    10  	syscall         /* exit(0) */