1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
;;===-- 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 LLVMX86CompilationCallback2: 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 LLVMX86CompilationCallback2
; 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
|
