diff options
Diffstat (limited to 'coroutine/win64/Context.asm')
| -rw-r--r-- | coroutine/win64/Context.asm | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/coroutine/win64/Context.asm b/coroutine/win64/Context.asm new file mode 100644 index 0000000000..8c4dea1c93 --- /dev/null +++ b/coroutine/win64/Context.asm @@ -0,0 +1,79 @@ +;; +;; This 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. +;; + +.code + +coroutine_transfer proc + ; Save the thread information block: + push qword ptr gs:[8] + push qword ptr gs:[16] + + ; Save caller registers: + push rbp + push rbx + push rdi + push rsi + push r12 + push r13 + push r14 + push r15 + + movaps [rsp - 24], xmm6 + movaps [rsp - 40], xmm7 + movaps [rsp - 56], xmm8 + movaps [rsp - 72], xmm9 + movaps [rsp - 88], xmm10 + movaps [rsp - 104], xmm11 + movaps [rsp - 120], xmm12 + movaps [rsp - 136], xmm13 + movaps [rsp - 152], xmm14 + movaps [rsp - 168], xmm15 + + ; Save caller stack pointer: + mov [rcx], rsp + + ; Restore callee stack pointer: + mov rsp, [rdx] + + movaps xmm15, [rsp - 168] + movaps xmm14, [rsp - 152] + movaps xmm13, [rsp - 136] + movaps xmm12, [rsp - 120] + movaps xmm11, [rsp - 104] + movaps xmm10, [rsp - 88] + movaps xmm9, [rsp - 72] + movaps xmm8, [rsp - 56] + movaps xmm7, [rsp - 40] + movaps xmm6, [rsp - 24] + + ; Restore callee stack: + pop r15 + pop r14 + pop r13 + pop r12 + pop rsi + pop rdi + pop rbx + pop rbp + + ; Restore the thread information block: + pop qword ptr gs:[16] + pop qword ptr gs:[8] + + ; Put the first argument into the return value: + mov rax, rcx + + ; We pop the return address and jump to it: + ret +coroutine_transfer endp + +coroutine_trampoline proc + ; Do not remove this. This forces 16-byte alignment when entering the coroutine. + ret +coroutine_trampoline endp + +end |