69 lines
1.6 KiB
NASM
69 lines
1.6 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
|
|
; WARNING: We cannot use register spill area - we're generating stubs by hands!
|
|
push rcx
|
|
push rdx
|
|
push r8
|
|
push r9
|
|
|
|
; Align stack on 16-byte boundary.
|
|
and rsp, -16
|
|
|
|
; Save all XMM arg registers. Also allocate reg spill area.
|
|
sub rsp, 96
|
|
movaps [rsp +32], xmm0
|
|
movaps [rsp+16+32], xmm1
|
|
movaps [rsp+32+32], xmm2
|
|
movaps [rsp+48+32], 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+32]
|
|
movaps xmm2, [rsp+32+32]
|
|
movaps xmm1, [rsp+16+32]
|
|
movaps xmm0, [rsp +32]
|
|
|
|
; 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
|