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Better (?) support for Windows TIB.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65867 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
samuel 2018-11-20 10:17:39 +00:00
parent 904af4aef2
commit d97c928067
4 changed files with 40 additions and 17 deletions
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22
coroutine/win32/Context.asm
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@ -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