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2aa62f2b | 1 | /* $NetBSD: mcontext.h,v 1.5 2005/12/11 12:16:47 christos Exp $ */\r |
2 | \r | |
3 | /*-\r | |
4 | * Copyright (c) 2001, 2002 The NetBSD Foundation, Inc.\r | |
5 | * All rights reserved.\r | |
6 | *\r | |
7 | * This code is derived from software contributed to The NetBSD Foundation\r | |
8 | * by Klaus Klein and by Jason R. Thorpe of Wasabi Systems, Inc.\r | |
9 | *\r | |
10 | * Redistribution and use in source and binary forms, with or without\r | |
11 | * modification, are permitted provided that the following conditions\r | |
12 | * are met:\r | |
13 | * 1. Redistributions of source code must retain the above copyright\r | |
14 | * notice, this list of conditions and the following disclaimer.\r | |
15 | * 2. Redistributions in binary form must reproduce the above copyright\r | |
16 | * notice, this list of conditions and the following disclaimer in the\r | |
17 | * documentation and/or other materials provided with the distribution.\r | |
18 | * 3. All advertising materials mentioning features or use of this software\r | |
19 | * must display the following acknowledgement:\r | |
20 | * This product includes software developed by the NetBSD\r | |
21 | * Foundation, Inc. and its contributors.\r | |
22 | * 4. Neither the name of The NetBSD Foundation nor the names of its\r | |
23 | * contributors may be used to endorse or promote products derived\r | |
24 | * from this software without specific prior written permission.\r | |
25 | *\r | |
26 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS\r | |
27 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED\r | |
28 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR\r | |
29 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS\r | |
30 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\r | |
31 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\r | |
32 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\r | |
33 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN\r | |
34 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)\r | |
35 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE\r | |
36 | * POSSIBILITY OF SUCH DAMAGE.\r | |
37 | */\r | |
38 | \r | |
39 | #ifndef _ARM_MCONTEXT_H_\r | |
40 | #define _ARM_MCONTEXT_H_\r | |
41 | \r | |
42 | /*\r | |
43 | * General register state\r | |
44 | */\r | |
45 | #define _NGREG 17\r | |
46 | typedef unsigned int __greg_t;\r | |
47 | typedef __greg_t __gregset_t[_NGREG];\r | |
48 | \r | |
49 | #define _REG_R0 0\r | |
50 | #define _REG_R1 1\r | |
51 | #define _REG_R2 2\r | |
52 | #define _REG_R3 3\r | |
53 | #define _REG_R4 4\r | |
54 | #define _REG_R5 5\r | |
55 | #define _REG_R6 6\r | |
56 | #define _REG_R7 7\r | |
57 | #define _REG_R8 8\r | |
58 | #define _REG_R9 9\r | |
59 | #define _REG_R10 10\r | |
60 | #define _REG_R11 11\r | |
61 | #define _REG_R12 12\r | |
62 | #define _REG_R13 13\r | |
63 | #define _REG_R14 14\r | |
64 | #define _REG_R15 15\r | |
65 | #define _REG_CPSR 16\r | |
66 | /* Convenience synonyms */\r | |
67 | #define _REG_FP _REG_R11\r | |
68 | #define _REG_SP _REG_R13\r | |
69 | #define _REG_LR _REG_R14\r | |
70 | #define _REG_PC _REG_R15\r | |
71 | \r | |
72 | /*\r | |
73 | * Floating point register state\r | |
74 | */\r | |
75 | /* Note: the storage layout of this structure must be identical to ARMFPE! */\r | |
76 | typedef struct {\r | |
77 | unsigned int __fp_fpsr;\r | |
78 | struct {\r | |
79 | unsigned int __fp_exponent;\r | |
80 | unsigned int __fp_mantissa_hi;\r | |
81 | unsigned int __fp_mantissa_lo;\r | |
82 | } __fp_fr[8];\r | |
83 | } __fpregset_t;\r | |
84 | \r | |
85 | typedef struct {\r | |
86 | unsigned int __vfp_fpscr;\r | |
87 | unsigned int __vfp_fstmx[33];\r | |
88 | unsigned int __vfp_fpsid;\r | |
89 | } __vfpregset_t;\r | |
90 | \r | |
91 | typedef struct {\r | |
92 | __gregset_t __gregs;\r | |
93 | union {\r | |
94 | __fpregset_t __fpregs;\r | |
95 | __vfpregset_t __vfpregs;\r | |
96 | } __fpu;\r | |
97 | } mcontext_t;\r | |
98 | \r | |
99 | /* Machine-dependent uc_flags */\r | |
100 | #define _UC_ARM_VFP 0x00010000 /* FPU field is VFP */\r | |
101 | \r | |
102 | /* used by signal delivery to indicate status of signal stack */\r | |
103 | #define _UC_SETSTACK 0x00020000\r | |
104 | #define _UC_CLRSTACK 0x00040000\r | |
105 | \r | |
106 | #define _UC_MACHINE_PAD 3 /* Padding appended to ucontext_t */\r | |
107 | \r | |
108 | #define _UC_MACHINE_SP(uc) ((uc)->uc_mcontext.__gregs[_REG_SP])\r | |
109 | #define _UC_MACHINE_PC(uc) ((uc)->uc_mcontext.__gregs[_REG_PC])\r | |
110 | #define _UC_MACHINE_INTRV(uc) ((uc)->uc_mcontext.__gregs[_REG_R0])\r | |
111 | \r | |
112 | #define _UC_MACHINE_SET_PC(uc, pc) _UC_MACHINE_PC(uc) = (pc)\r | |
113 | \r | |
114 | #endif /* !_ARM_MCONTEXT_H_ */\r |