1 /*
2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Ralph Campbell.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * @(#)ucontext.h 8.1 (Berkeley) 6/10/93
33 * JNPR: ucontext.h,v 1.2 2007/08/09 11:23:32 katta
34 * $FreeBSD$
35 */
36
37 #ifndef _MACHINE_UCONTEXT_H_
38 #define _MACHINE_UCONTEXT_H_
39
40 #ifndef _LOCORE
41
42 typedef struct __mcontext {
43 /*
44 * These fields must match the corresponding fields in struct
45 * sigcontext which follow 'sc_mask'. That way we can support
46 * struct sigcontext and ucontext_t at the same time.
47 */
48 int mc_onstack; /* sigstack state to restore */
49 register_t mc_pc; /* pc at time of signal */
50 register_t mc_regs[32]; /* processor regs 0 to 31 */
51 register_t sr; /* status register */
52 register_t mullo, mulhi; /* mullo and mulhi registers... */
53 int mc_fpused; /* fp has been used */
54 f_register_t mc_fpregs[33]; /* fp regs 0 to 31 and csr */
55 register_t mc_fpc_eir; /* fp exception instruction reg */
56 void *mc_tls; /* pointer to TLS area */
57 int __spare__[8]; /* XXX reserved */
58 } mcontext_t;
59 #endif
60
61 #ifndef SZREG
62 #if defined(__mips_o32)
63 #define SZREG 4
64 #else
65 #define SZREG 8
66 #endif
67 #endif
68
69 /* offsets into mcontext_t */
70 #define UCTX_REG(x) (4 + SZREG + (x)*SZREG)
71
72 #define UCR_ZERO UCTX_REG(0)
73 #define UCR_AT UCTX_REG(1)
74 #define UCR_V0 UCTX_REG(2)
75 #define UCR_V1 UCTX_REG(3)
76 #define UCR_A0 UCTX_REG(4)
77 #define UCR_A1 UCTX_REG(5)
78 #define UCR_A2 UCTX_REG(6)
79 #define UCR_A3 UCTX_REG(7)
80 #define UCR_T0 UCTX_REG(8)
81 #define UCR_T1 UCTX_REG(9)
82 #define UCR_T2 UCTX_REG(10)
83 #define UCR_T3 UCTX_REG(11)
84 #define UCR_T4 UCTX_REG(12)
85 #define UCR_T5 UCTX_REG(13)
86 #define UCR_T6 UCTX_REG(14)
87 #define UCR_T7 UCTX_REG(15)
88 #define UCR_S0 UCTX_REG(16)
89 #define UCR_S1 UCTX_REG(17)
90 #define UCR_S2 UCTX_REG(18)
91 #define UCR_S3 UCTX_REG(19)
92 #define UCR_S4 UCTX_REG(20)
93 #define UCR_S5 UCTX_REG(21)
94 #define UCR_S6 UCTX_REG(22)
95 #define UCR_S7 UCTX_REG(23)
96 #define UCR_T8 UCTX_REG(24)
97 #define UCR_T9 UCTX_REG(25)
98 #define UCR_K0 UCTX_REG(26)
99 #define UCR_K1 UCTX_REG(27)
100 #define UCR_GP UCTX_REG(28)
101 #define UCR_SP UCTX_REG(29)
102 #define UCR_S8 UCTX_REG(30)
103 #define UCR_RA UCTX_REG(31)
104 #define UCR_SR UCTX_REG(32)
105 #define UCR_MDLO UCTX_REG(33)
106 #define UCR_MDHI UCTX_REG(34)
107
108 #endif /* !_MACHINE_UCONTEXT_H_ */
Cache object: 9cacbf79e9d4347232a8ac1f231e80fd
|