1 /*-
2 * Copyright (c) 1999 Marcel Moolenaar
3 * Copyright (c) 2003 Peter Wemm
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer
11 * in this position and unchanged.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * $FreeBSD: src/sys/compat/ia32/ia32_signal.h,v 1.10 2006/10/05 01:56:11 davidxu Exp $
30 */
31
32 struct ia32_mcontext {
33 u_int32_t mc_onstack; /* XXX - sigcontext compat. */
34 u_int32_t mc_gs; /* machine state (struct trapframe) */
35 u_int32_t mc_fs;
36 u_int32_t mc_es;
37 u_int32_t mc_ds;
38 u_int32_t mc_edi;
39 u_int32_t mc_esi;
40 u_int32_t mc_ebp;
41 u_int32_t mc_isp;
42 u_int32_t mc_ebx;
43 u_int32_t mc_edx;
44 u_int32_t mc_ecx;
45 u_int32_t mc_eax;
46 u_int32_t mc_trapno;
47 u_int32_t mc_err;
48 u_int32_t mc_eip;
49 u_int32_t mc_cs;
50 u_int32_t mc_eflags;
51 u_int32_t mc_esp;
52 u_int32_t mc_ss;
53 u_int32_t mc_len; /* sizeof(struct ia32_mcontext) */
54 /* We use the same values for fpformat and ownedfp */
55 u_int32_t mc_fpformat;
56 u_int32_t mc_ownedfp;
57 u_int32_t mc_spare1[1]; /* align next field to 16 bytes */
58 /*
59 * See <i386/include/npx.h> for the internals of mc_fpstate[].
60 */
61 u_int32_t mc_fpstate[128] __aligned(16);
62 u_int32_t mc_spare2[8];
63 };
64
65 struct ia32_ucontext {
66 sigset_t uc_sigmask;
67 struct ia32_mcontext uc_mcontext;
68 u_int32_t uc_link;
69 struct sigaltstack32 uc_stack;
70 u_int32_t uc_flags;
71 u_int32_t __spare__[4];
72 };
73
74
75 #if defined(COMPAT_FREEBSD4)
76 struct ia32_mcontext4 {
77 u_int32_t mc_onstack; /* XXX - sigcontext compat. */
78 u_int32_t mc_gs; /* machine state (struct trapframe) */
79 u_int32_t mc_fs;
80 u_int32_t mc_es;
81 u_int32_t mc_ds;
82 u_int32_t mc_edi;
83 u_int32_t mc_esi;
84 u_int32_t mc_ebp;
85 u_int32_t mc_isp;
86 u_int32_t mc_ebx;
87 u_int32_t mc_edx;
88 u_int32_t mc_ecx;
89 u_int32_t mc_eax;
90 u_int32_t mc_trapno;
91 u_int32_t mc_err;
92 u_int32_t mc_eip;
93 u_int32_t mc_cs;
94 u_int32_t mc_eflags;
95 u_int32_t mc_esp;
96 u_int32_t mc_ss;
97 u_int32_t mc_fpregs[28];
98 u_int32_t __spare__[17];
99 };
100
101 struct ia32_ucontext4 {
102 sigset_t uc_sigmask;
103 struct ia32_mcontext4 uc_mcontext;
104 u_int32_t uc_link;
105 struct sigaltstack32 uc_stack;
106 u_int32_t __spare__[8];
107 };
108 #endif
109
110 #ifdef COMPAT_FREEBSD3
111 struct ia32_sigcontext3 {
112 u_int32_t sc_onstack;
113 u_int32_t sc_mask;
114 u_int32_t sc_esp;
115 u_int32_t sc_ebp;
116 u_int32_t sc_isp;
117 u_int32_t sc_eip;
118 u_int32_t sc_eflags;
119 u_int32_t sc_es;
120 u_int32_t sc_ds;
121 u_int32_t sc_cs;
122 u_int32_t sc_ss;
123 u_int32_t sc_edi;
124 u_int32_t sc_esi;
125 u_int32_t sc_ebx;
126 u_int32_t sc_edx;
127 u_int32_t sc_ecx;
128 u_int32_t sc_eax;
129 u_int32_t sc_gs;
130 u_int32_t sc_fs;
131 u_int32_t sc_trapno;
132 u_int32_t sc_err;
133 };
134 #endif
135
136 /*
137 * Signal frames, arguments passed to application signal handlers.
138 */
139
140 #ifdef COMPAT_FREEBSD4
141 struct ia32_sigframe4 {
142 u_int32_t sf_signum;
143 u_int32_t sf_siginfo; /* code or pointer to sf_si */
144 u_int32_t sf_ucontext; /* points to sf_uc */
145 u_int32_t sf_addr; /* undocumented 4th arg */
146 u_int32_t sf_ah; /* action/handler pointer */
147 struct ia32_ucontext4 sf_uc; /* = *sf_ucontext */
148 struct siginfo32 sf_si; /* = *sf_siginfo (SA_SIGINFO case) */
149 };
150 #endif
151
152 struct ia32_sigframe {
153 u_int32_t sf_signum;
154 u_int32_t sf_siginfo; /* code or pointer to sf_si */
155 u_int32_t sf_ucontext; /* points to sf_uc */
156 u_int32_t sf_addr; /* undocumented 4th arg */
157 u_int32_t sf_ah; /* action/handler pointer */
158 /* Beware, hole due to ucontext being 16 byte aligned! */
159 struct ia32_ucontext sf_uc; /* = *sf_ucontext */
160 struct siginfo32 sf_si; /* = *sf_siginfo (SA_SIGINFO case) */
161 };
162
163 #ifdef COMPAT_FREEBSD3
164 struct ia32_siginfo3 {
165 struct ia32_sigcontext3 si_sc;
166 int si_signo;
167 int si_code;
168 union sigval32 si_value;
169 };
170 struct ia32_sigframe3 {
171 int sf_signum;
172 u_int32_t sf_arg2; /* int or siginfo_t */
173 u_int32_t sf_scp;
174 u_int32_t sf_addr;
175 u_int32_t sf_ah; /* action/handler pointer */
176 struct ia32_siginfo3 sf_siginfo;
177 };
178 #endif
179
180 struct ksiginfo;
181 extern char ia32_sigcode[];
182 extern char freebsd4_ia32_sigcode[];
183 extern int sz_ia32_sigcode;
184 extern int sz_freebsd4_ia32_sigcode;
185 extern void ia32_sendsig(sig_t, struct ksiginfo *, sigset_t *);
186 extern void ia32_setregs(struct thread *td, u_long entry, u_long stack,
187 u_long ps_strings);
188 Cache object: 2db5420c14038aafaa84c6509ba40d92
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