ref: 831becab55913062b3a314c34cec38fa511bb21b
dir: /lib/c/target/amd64-sysv-netbsd/_setcontext.s/
.text .globl _Exit .globl _setcontext _setcontext: movq %r15,%rdi movq $0x134,%rax syscall # Something was wrong, finish the program. We can't call # abort here because it could generate a loop movq $-1,%rdi jmp _Exit