llvm-6502/lib/Target/X86/X86CompilationCallback_Win64.asm
Anton Korobeynikov 0144280cfb Unbreak win64 compilation callback.
Since we're generating stubs by hands we don't follow the ABI and don't
create a register spill area.
Don't use this area in compilation callback!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77968 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-03 08:43:36 +00:00

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