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878ddf1f | 1 | /// @file\r |
4cbd2175 | 2 | /// Contains an implementation of longjmp for the Itanium-based architecture.\r |
878ddf1f | 3 | ///\r |
4cbd2175 | 4 | /// Copyright (c) 2006, Intel Corporation\r |
5 | /// All rights reserved. This program and the accompanying materials\r | |
6 | /// are licensed and made available under the terms and conditions of the BSD License\r | |
7 | /// which accompanies this distribution. The full text of the license may be found at\r | |
8 | /// http://opensource.org/licenses/bsd-license.php\r | |
9 | ///\r | |
10 | /// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | /// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | ///\r | |
13 | /// Module Name: longjmp.s\r | |
878ddf1f | 14 | ///\r |
15 | ///\r | |
16 | \r | |
4cbd2175 | 17 | .auto\r |
18 | .text\r | |
878ddf1f | 19 | \r |
4cbd2175 | 20 | .global InternalAssertJumpBuffer\r |
21 | .type InternalAssertJumpBuffer, @function\r | |
878ddf1f | 22 | \r |
4cbd2175 | 23 | .proc SetJump\r |
24 | .type SetJump, @function\r | |
25 | SetJump::\r | |
26 | alloc loc0 = ar.pfs, 1, 2, 1, 0\r | |
27 | mov loc1 = b0\r | |
28 | mov out0 = in0\r | |
29 | \r | |
30 | brl.call.sptk.many b0 = InternalAssertJumpBuffer\r | |
31 | \r | |
32 | mov r14 = ar.unat\r | |
33 | mov r15 = ar.bsp\r | |
34 | add r10 = 0x10*20, in0\r | |
35 | \r | |
36 | stf.spill.nta [in0] = f2, 0x10\r | |
37 | st8.spill.nta [r10] = r4, 8\r | |
38 | mov r21 = b1\r | |
39 | \r | |
40 | stf.spill.nta [in0] = f3, 0x10\r | |
41 | st8.spill.nta [r10] = r5, 8\r | |
42 | mov r22 = b2\r | |
878ddf1f | 43 | \r |
4cbd2175 | 44 | stf.spill.nta [in0] = f4, 0x10\r |
45 | st8.spill.nta [r10] = r6, 8\r | |
46 | mov r23 = b3\r | |
878ddf1f | 47 | \r |
4cbd2175 | 48 | stf.spill.nta [in0] = f5, 0x10\r |
49 | st8.spill.nta [r10] = r7, 8\r | |
50 | mov r24 = b4\r | |
878ddf1f | 51 | \r |
4cbd2175 | 52 | stf.spill.nta [in0] = f16, 0x10\r |
53 | st8.spill.nta [r10] = sp, 8\r | |
54 | mov r25 = b5\r | |
878ddf1f | 55 | \r |
4cbd2175 | 56 | stf.spill.nta [in0] = f17, 0x10\r |
57 | st8.nta [r10] = loc1, 8\r | |
58 | mov r16 = pr\r | |
878ddf1f | 59 | \r |
4cbd2175 | 60 | stf.spill.nta [in0] = f18, 0x10\r |
61 | st8.nta [r10] = r21, 8\r | |
62 | mov r17 = ar.lc\r | |
878ddf1f | 63 | \r |
4cbd2175 | 64 | stf.spill.nta [in0] = f19, 0x10\r |
65 | st8.nta [r10] = r22, 8\r | |
878ddf1f | 66 | \r |
4cbd2175 | 67 | stf.spill.nta [in0] = f20, 0x10\r |
68 | st8.nta [r10] = r23, 8\r | |
878ddf1f | 69 | \r |
4cbd2175 | 70 | stf.spill.nta [in0] = f21, 0x10\r |
71 | st8.nta [r10] = r24, 8\r | |
878ddf1f | 72 | \r |
4cbd2175 | 73 | stf.spill.nta [in0] = f22, 0x10\r |
74 | st8.nta [r10] = r25, 8\r | |
878ddf1f | 75 | \r |
4cbd2175 | 76 | stf.spill.nta [in0] = f23, 0x10\r |
77 | mov r18 = ar.unat\r | |
878ddf1f | 78 | \r |
4cbd2175 | 79 | stf.spill.nta [in0] = f24, 0x10\r |
80 | st8.nta [r10] = r14, 8 // UNAT\r | |
878ddf1f | 81 | \r |
4cbd2175 | 82 | stf.spill.nta [in0] = f25, 0x10\r |
83 | st8.nta [r10] = r18, 8 // UNAT after spill\r | |
878ddf1f | 84 | \r |
4cbd2175 | 85 | stf.spill.nta [in0] = f26, 0x10\r |
86 | st8.nta [r10] = loc0, 8 // PFS\r | |
878ddf1f | 87 | \r |
4cbd2175 | 88 | stf.spill.nta [in0] = f27, 0x10\r |
89 | st8.nta [r10] = r15, 8 // BSP\r | |
90 | mov r8 = 0\r | |
878ddf1f | 91 | \r |
4cbd2175 | 92 | stf.spill.nta [in0] = f28, 0x10\r |
93 | mov r19 = ar.fpsr\r | |
878ddf1f | 94 | \r |
4cbd2175 | 95 | stf.spill.nta [in0] = f29, 0x10\r |
96 | st8.nta [r10] = r16, 8 // PR\r | |
97 | mov ar.pfs = loc0\r | |
878ddf1f | 98 | \r |
4cbd2175 | 99 | stf.spill.nta [in0] = f30, 0x10\r |
100 | st8.nta [r10] = r17, 8 // LC\r | |
101 | mov b0 = loc1\r | |
878ddf1f | 102 | \r |
4cbd2175 | 103 | stf.spill.nta [in0] = f31, 0x10\r |
104 | st8.nta [r10] = r19 // FPSR\r | |
878ddf1f | 105 | \r |
4cbd2175 | 106 | mov ar.unat = r14\r |
107 | br.ret.sptk b0\r | |
108 | .endp SetJump\r |