1;;===-- X86CompilationCallback_Win64.asm - Implement Win64 JIT callback ---===
2;;
3;;                     The LLVM Compiler Infrastructure
4;;
5;; This file is distributed under the University of Illinois Open Source
6;; License. See LICENSE.TXT for details.
7;;
8;;===----------------------------------------------------------------------===
9;;
10;; This file implements the JIT interfaces for the X86 target.
11;;
12;;===----------------------------------------------------------------------===
13
14extrn LLVMX86CompilationCallback2: PROC
15
16.code
17X86CompilationCallback proc
18    push    rbp
19
20    ; Save RSP.
21    mov     rbp, rsp
22
23    ; Save all int arg registers
24    ; WARNING: We cannot use register spill area - we're generating stubs by hands!
25    push    rcx
26    push    rdx
27    push    r8
28    push    r9
29
30    ; Align stack on 16-byte boundary.
31    and     rsp, -16
32
33    ; Save all XMM arg registers. Also allocate reg spill area.
34    sub     rsp, 96
35    movaps  [rsp   +32],  xmm0
36    movaps  [rsp+16+32],  xmm1
37    movaps  [rsp+32+32],  xmm2
38    movaps  [rsp+48+32],  xmm3
39
40    ; JIT callee
41
42    ; Pass prev frame and return address.
43    mov     rcx, rbp
44    mov     rdx, qword ptr [rbp+8]
45    call    LLVMX86CompilationCallback2
46
47    ; Restore all XMM arg registers.
48    movaps  xmm3, [rsp+48+32]
49    movaps  xmm2, [rsp+32+32]
50    movaps  xmm1, [rsp+16+32]
51    movaps  xmm0, [rsp   +32]
52
53    ; Restore RSP.
54    mov     rsp, rbp
55
56    ; Restore all int arg registers
57    sub     rsp, 32
58    pop     r9
59    pop     r8
60    pop     rdx
61    pop     rcx
62
63    ; Restore RBP.
64    pop     rbp
65    ret
66X86CompilationCallback endp
67
68End
69