45 lines
664 B
NASM
45 lines
664 B
NASM
|
;;
|
||
|
|
;; win64.asm
|
||
|
|
;; File file is part of the "Coroutine" project and released under the MIT License.
|
||
|
|
;;
|
||
|
|
;; Created by Samuel Williams on 10/5/2018.
|
||
|
|
;; Copyright, 2018, by Samuel Williams. All rights reserved.
|
||
|
|
;;
|
||
|
|
|
||
|
|
.code
|
||
|
|
|
||
|
|
coroutine_transfer proc
|
||
|
|
push rbp
|
||
|
|
push rbx
|
||
|
|
push rdi
|
||
|
|
push rsi
|
||
|
|
push r12
|
||
|
|
push r13
|
||
|
|
push r14
|
||
|
|
push r15
|
||
|
|
|
||
|
|
; Save caller stack pointer
|
||
|
|
mov [rcx], rsp
|
||
|
|
|
||
|
|
; Restore callee stack pointer
|
||
|
|
mov rsp, [rdx]
|
||
|
|
|
||
|
|
; Restore callee stack
|
||
|
|
pop r15
|
||
|
|
pop r14
|
||
|
|
pop r13
|
||
|
|
pop r12
|
||
|
|
pop rsi
|
||
|
|
pop rdi
|
||
|
|
pop rbx
|
||
|
|
pop rbp
|
||
|
|
|
||
|
|
; Put the first argument into the return value
|
||
|
|
mov rax, rcx
|
||
|
|
|
||
|
|
; We pop the return address and jump to it
|
||
|
|
ret
|
||
|
|
coroutine_transfer endp
|
||
|
|
|
||
|
|
end
|