1/*-
2 * Copyright (c) 1999 Marcel Moolenaar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer
10 * in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD: head/sys/i386/include/ucontext.h 190616 2009-04-01 12:44:17Z kib $
29 */
30
31#ifndef _MACHINE_UCONTEXT_H_
32#define _MACHINE_UCONTEXT_H_
33
34typedef struct __mcontext {
35 /*
36 * The first 20 fields must match the definition of
37 * sigcontext. So that we can support sigcontext
38 * and ucontext_t at the same time.
39 */
40 __register_t mc_onstack; /* XXX - sigcontext compat. */
41 __register_t mc_gs; /* machine state (struct trapframe) */
42 __register_t mc_fs;
43 __register_t mc_es;
44 __register_t mc_ds;
45 __register_t mc_edi;
46 __register_t mc_esi;
47 __register_t mc_ebp;
48 __register_t mc_isp;
49 __register_t mc_ebx;
50 __register_t mc_edx;
51 __register_t mc_ecx;
52 __register_t mc_eax;
53 __register_t mc_trapno;
54 __register_t mc_err;
55 __register_t mc_eip;
56 __register_t mc_cs;
57 __register_t mc_eflags;
58 __register_t mc_esp;
59 __register_t mc_ss;
60
61 int mc_len; /* sizeof(mcontext_t) */
62#define _MC_FPFMT_NODEV 0x10000 /* device not present or configured */
63#define _MC_FPFMT_387 0x10001
64#define _MC_FPFMT_XMM 0x10002
65 int mc_fpformat;
66#define _MC_FPOWNED_NONE 0x20000 /* FP state not used */
67#define _MC_FPOWNED_FPU 0x20001 /* FP state came from FPU */
68#define _MC_FPOWNED_PCB 0x20002 /* FP state came from PCB */
69 int mc_ownedfp;
70 int mc_spare1[1]; /* align next field to 16 bytes */
71 /*
72 * See <machine/npx.h> for the internals of mc_fpstate[].
73 */
74 int mc_fpstate[128] __aligned(16);
75
76 __register_t mc_fsbase;
77 __register_t mc_gsbase;
78
79 int mc_spare2[6];
80} mcontext_t;
81
82#if defined(_KERNEL) && defined(COMPAT_FREEBSD4)
83
84struct mcontext4 {
85 __register_t mc_onstack; /* XXX - sigcontext compat. */
86 __register_t mc_gs; /* machine state (struct trapframe) */
87 __register_t mc_fs;
88 __register_t mc_es;
89 __register_t mc_ds;
90 __register_t mc_edi;
91 __register_t mc_esi;
92 __register_t mc_ebp;
93 __register_t mc_isp;
94 __register_t mc_ebx;
95 __register_t mc_edx;
96 __register_t mc_ecx;
97 __register_t mc_eax;
98 __register_t mc_trapno;
99 __register_t mc_err;
100 __register_t mc_eip;
101 __register_t mc_cs;
102 __register_t mc_eflags;
103 __register_t mc_esp; /* machine state */
104 __register_t mc_ss;
105 __register_t mc_fpregs[28]; /* env87 + fpacc87 + u_long */
106 __register_t __spare__[17];
107};
108#endif
109
110#endif /* !_MACHINE_UCONTEXT_H_ */
2 * Copyright (c) 1999 Marcel Moolenaar
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer
10 * in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD: head/sys/i386/include/ucontext.h 190616 2009-04-01 12:44:17Z kib $
29 */
30
31#ifndef _MACHINE_UCONTEXT_H_
32#define _MACHINE_UCONTEXT_H_
33
34typedef struct __mcontext {
35 /*
36 * The first 20 fields must match the definition of
37 * sigcontext. So that we can support sigcontext
38 * and ucontext_t at the same time.
39 */
40 __register_t mc_onstack; /* XXX - sigcontext compat. */
41 __register_t mc_gs; /* machine state (struct trapframe) */
42 __register_t mc_fs;
43 __register_t mc_es;
44 __register_t mc_ds;
45 __register_t mc_edi;
46 __register_t mc_esi;
47 __register_t mc_ebp;
48 __register_t mc_isp;
49 __register_t mc_ebx;
50 __register_t mc_edx;
51 __register_t mc_ecx;
52 __register_t mc_eax;
53 __register_t mc_trapno;
54 __register_t mc_err;
55 __register_t mc_eip;
56 __register_t mc_cs;
57 __register_t mc_eflags;
58 __register_t mc_esp;
59 __register_t mc_ss;
60
61 int mc_len; /* sizeof(mcontext_t) */
62#define _MC_FPFMT_NODEV 0x10000 /* device not present or configured */
63#define _MC_FPFMT_387 0x10001
64#define _MC_FPFMT_XMM 0x10002
65 int mc_fpformat;
66#define _MC_FPOWNED_NONE 0x20000 /* FP state not used */
67#define _MC_FPOWNED_FPU 0x20001 /* FP state came from FPU */
68#define _MC_FPOWNED_PCB 0x20002 /* FP state came from PCB */
69 int mc_ownedfp;
70 int mc_spare1[1]; /* align next field to 16 bytes */
71 /*
72 * See <machine/npx.h> for the internals of mc_fpstate[].
73 */
74 int mc_fpstate[128] __aligned(16);
75
76 __register_t mc_fsbase;
77 __register_t mc_gsbase;
78
79 int mc_spare2[6];
80} mcontext_t;
81
82#if defined(_KERNEL) && defined(COMPAT_FREEBSD4)
83
84struct mcontext4 {
85 __register_t mc_onstack; /* XXX - sigcontext compat. */
86 __register_t mc_gs; /* machine state (struct trapframe) */
87 __register_t mc_fs;
88 __register_t mc_es;
89 __register_t mc_ds;
90 __register_t mc_edi;
91 __register_t mc_esi;
92 __register_t mc_ebp;
93 __register_t mc_isp;
94 __register_t mc_ebx;
95 __register_t mc_edx;
96 __register_t mc_ecx;
97 __register_t mc_eax;
98 __register_t mc_trapno;
99 __register_t mc_err;
100 __register_t mc_eip;
101 __register_t mc_cs;
102 __register_t mc_eflags;
103 __register_t mc_esp; /* machine state */
104 __register_t mc_ss;
105 __register_t mc_fpregs[28]; /* env87 + fpacc87 + u_long */
106 __register_t __spare__[17];
107};
108#endif
109
110#endif /* !_MACHINE_UCONTEXT_H_ */