1/// @file
2///  Contains an implementation of longjmp for the Itanium-based architecture.
3///
4/// Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
5/// This program and the accompanying materials
6/// are licensed and made available under the terms and conditions of the BSD License
7/// which accompanies this distribution.  The full text of the license may be found at
8/// http://opensource.org/licenses/bsd-license.php.
9///
10/// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11/// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12///
13/// Module Name: longjmp.s
14///
15///
16
17.auto
18.text
19
20ASM_GLOBAL InternalAssertJumpBuffer
21.type   InternalAssertJumpBuffer, @function
22
23.proc   SetJump
24.type   SetJump, @function
25SetJump::
26        alloc               loc0 = ar.pfs, 1, 2, 1, 0
27        mov                 loc1 = b0
28        mov                 out0 = in0
29
30        brl.call.sptk.many  b0  = InternalAssertJumpBuffer
31
32        mov                 r14 = ar.unat
33        mov                 r15 = ar.bsp
34        add                 r10 = 0x10*20, in0
35
36        stf.spill.nta       [in0] = f2, 0x10
37        st8.spill.nta       [r10] = r4, 8
38        mov                 r21 = b1
39
40        stf.spill.nta       [in0] = f3, 0x10
41        st8.spill.nta       [r10] = r5, 8
42        mov                 r22 = b2
43
44        stf.spill.nta       [in0] = f4, 0x10
45        st8.spill.nta       [r10] = r6, 8
46        mov                 r23 = b3
47
48        stf.spill.nta       [in0] = f5, 0x10
49        st8.spill.nta       [r10] = r7, 8
50        mov                 r24 = b4
51
52        stf.spill.nta       [in0] = f16, 0x10
53        st8.spill.nta       [r10] = sp, 8
54        mov                 r25 = b5
55
56        stf.spill.nta       [in0] = f17, 0x10
57        st8.nta             [r10] = loc1, 8
58        mov                 r16 = pr
59
60        stf.spill.nta       [in0] = f18, 0x10
61        st8.nta             [r10] = r21, 8
62        mov                 r17 = ar.lc
63
64        stf.spill.nta       [in0] = f19, 0x10
65        st8.nta             [r10] = r22, 8
66
67        stf.spill.nta       [in0] = f20, 0x10
68        st8.nta             [r10] = r23, 8
69
70        stf.spill.nta       [in0] = f21, 0x10
71        st8.nta             [r10] = r24, 8
72
73        stf.spill.nta       [in0] = f22, 0x10
74        st8.nta             [r10] = r25, 8
75
76        stf.spill.nta       [in0] = f23, 0x10
77        mov                 r18 = ar.unat
78
79        stf.spill.nta       [in0] = f24, 0x10
80        st8.nta             [r10] = r14, 8          // UNAT
81
82        stf.spill.nta       [in0] = f25, 0x10
83        st8.nta             [r10] = r18, 8          // UNAT after spill
84
85        stf.spill.nta       [in0] = f26, 0x10
86        st8.nta             [r10] = loc0, 8         // PFS
87
88        stf.spill.nta       [in0] = f27, 0x10
89        st8.nta             [r10] = r15, 8          // BSP
90        mov                 r8  = 0
91
92        stf.spill.nta       [in0] = f28, 0x10
93        mov                 r19 = ar.fpsr
94
95        stf.spill.nta       [in0] = f29, 0x10
96        st8.nta             [r10] = r16, 8          // PR
97        mov                 ar.pfs = loc0
98
99        stf.spill.nta       [in0] = f30, 0x10
100        st8.nta             [r10] = r17, 8          // LC
101        mov                 b0  = loc1
102
103        stf.spill.nta       [in0] = f31, 0x10
104        st8.nta             [r10] = r19             // FPSR
105
106        mov                 ar.unat = r14
107        br.ret.sptk         b0
108.endp   SetJump
109