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-rw-r--r--coroutine/win64/Context.asm54
1 files changed, 45 insertions, 9 deletions
diff --git a/coroutine/win64/Context.asm b/coroutine/win64/Context.asm
index 6f64547d80..8c4dea1c93 100644
--- a/coroutine/win64/Context.asm
+++ b/coroutine/win64/Context.asm
@@ -2,12 +2,17 @@
;; 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. All rights reserved.
+;; 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
@@ -16,14 +21,36 @@ coroutine_transfer proc
push r13
push r14
push r15
-
- ; Save caller stack pointer
- mov [rcx], rsp
-
- ; Restore callee stack pointer
+
+ 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]
- ; Restore callee stack
+ 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
@@ -33,11 +60,20 @@ coroutine_transfer proc
pop rbx
pop rbp
- ; Put the first argument into the return value
+ ; 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
+ ; 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