summaryrefslogtreecommitdiff
path: root/coroutine/win32/Context.asm
diff options
context:
space:
mode:
Diffstat (limited to 'coroutine/win32/Context.asm')
-rw-r--r--coroutine/win32/Context.asm22
1 files changed, 16 insertions, 6 deletions
diff --git a/coroutine/win32/Context.asm b/coroutine/win32/Context.asm
index 4917faf9d7..b024b22fc7 100644
--- a/coroutine/win32/Context.asm
+++ b/coroutine/win32/Context.asm
@@ -14,28 +14,38 @@
; to touch these in order to pass them to the destination coroutine.
@coroutine_transfer@8 proc
- ; Save caller registers
+ ; Save the thread information block:
+ push fs:[0]
+ push fs:[4]
+ push fs:[8]
+
+ ; Save caller registers:
push ebp
push ebx
push edi
push esi
- ; Save caller stack pointer
+ ; Save caller stack pointer:
mov dword ptr [ecx], esp
- ; Restore callee stack pointer
+ ; Restore callee stack pointer:
mov esp, dword ptr [edx]
- ; Restore callee stack
+ ; Restore callee stack:
pop esi
pop edi
pop ebx
pop ebp
- ; Save the first argument as the return value
+ ; Restore the thread information block:
+ pop fs:[8]
+ pop fs:[4]
+ pop fs:[0]
+
+ ; Save the first argument as the return value:
mov eax, dword ptr ecx
- ; Jump to the address on the stack
+ ; Jump to the address on the stack:
ret
@coroutine_transfer@8 endp