src/third_party/musl/src/thread/aarch64/__unmapself.s - cobalt - Git at Google

 .global __unmapself
 .type   __unmapself,%function
 __unmapself:
 	mov x8,#215 // SYS_munmap
 	svc 0
 	mov x8,#93 // SYS_exit
 	svc 0
	.global __unmapself
	.type __unmapself,%function
	__unmapself:
	mov x8,#215 // SYS_munmap
	svc 0
	mov x8,#93 // SYS_exit
	svc 0