llvm-6502/lib/Target/X86/X86CompilationCallback_Win64.asm
Anton Korobeynikov f8e7416632 Add license header
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48707 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-23 14:53:18 +00:00

68 lines
1.4 KiB
NASM

;;===-- X86CompilationCallback_Win64.asm - Implement Win64 JIT callback ---===
;;
;; The LLVM Compiler Infrastructure
;;
;; This file is distributed under the University of Illinois Open Source
;; License. See LICENSE.TXT for details.
;;
;;===----------------------------------------------------------------------===
;;
;; This file implements the JIT interfaces for the X86 target.
;;
;;===----------------------------------------------------------------------===
extrn X86CompilationCallback2: PROC
.code
X86CompilationCallback proc
push rbp
; Save RSP
mov rbp, rsp
; Save all int arg registers
push rcx
push rdx
push r8
push r9
; Align stack on 16-byte boundary.
and rsp, -16
; Save all XMM arg registers
sub rsp, 64
movaps [rsp], xmm0
movaps [rsp+16], xmm1
movaps [rsp+32], xmm2
movaps [rsp+48], xmm3
; JIT callee
; Pass prev frame and return address
mov rcx, rbp
mov rdx, qword ptr [rbp+8]
call X86CompilationCallback2
; Restore all XMM arg registers
movaps xmm3, [rsp+48]
movaps xmm2, [rsp+32]
movaps xmm1, [rsp+16]
movaps xmm0, [rsp]
; Restore RSP
mov rsp, rbp
; Restore all int arg registers
sub rsp, 32
pop r9
pop r8
pop rdx
pop rcx
; Restore RBP
pop rbp
ret
X86CompilationCallback endp
End