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 * $FreeBSD$ 30 */ 31 32 #ifndef _COMPAT_IA32_IA32_SIGNAL_H 33 #define _COMPAT_IA32_IA32_SIGNAL_H 34 35 struct ia32_mcontext { 36 u_int32_t mc_onstack; /* XXX - sigcontext compat. */ 37 u_int32_t mc_gs; /* machine state (struct trapframe) */ 38 u_int32_t mc_fs; 39 u_int32_t mc_es; 40 u_int32_t mc_ds; 41 u_int32_t mc_edi; 42 u_int32_t mc_esi; 43 u_int32_t mc_ebp; 44 u_int32_t mc_isp; 45 u_int32_t mc_ebx; 46 u_int32_t mc_edx; 47 u_int32_t mc_ecx; 48 u_int32_t mc_eax; 49 u_int32_t mc_trapno; 50 u_int32_t mc_err; 51 u_int32_t mc_eip; 52 u_int32_t mc_cs; 53 u_int32_t mc_eflags; 54 u_int32_t mc_esp; 55 u_int32_t mc_ss; 56 u_int32_t mc_len; /* sizeof(struct ia32_mcontext) */ 57 /* We use the same values for fpformat and ownedfp */ 58 u_int32_t mc_fpformat; 59 u_int32_t mc_ownedfp; 60 u_int32_t mc_spare1[1]; /* align next field to 16 bytes */ 61 /* 62 * See <i386/include/npx.h> for the internals of mc_fpstate[]. 63 */ 64 u_int32_t mc_fpstate[128] __aligned(16); 65 u_int32_t mc_fsbase; 66 u_int32_t mc_gsbase; 67 u_int32_t mc_spare2[6]; 68 }; 69 70 struct ia32_ucontext { 71 sigset_t uc_sigmask; 72 struct ia32_mcontext uc_mcontext; 73 u_int32_t uc_link; 74 struct sigaltstack32 uc_stack; 75 u_int32_t uc_flags; 76 u_int32_t __spare__[4]; 77 }; 78 79 80 #if defined(COMPAT_FREEBSD4) 81 struct ia32_mcontext4 { 82 u_int32_t mc_onstack; /* XXX - sigcontext compat. */ 83 u_int32_t mc_gs; /* machine state (struct trapframe) */ 84 u_int32_t mc_fs; 85 u_int32_t mc_es; 86 u_int32_t mc_ds; 87 u_int32_t mc_edi; 88 u_int32_t mc_esi; 89 u_int32_t mc_ebp; 90 u_int32_t mc_isp; 91 u_int32_t mc_ebx; 92 u_int32_t mc_edx; 93 u_int32_t mc_ecx; 94 u_int32_t mc_eax; 95 u_int32_t mc_trapno; 96 u_int32_t mc_err; 97 u_int32_t mc_eip; 98 u_int32_t mc_cs; 99 u_int32_t mc_eflags; 100 u_int32_t mc_esp; 101 u_int32_t mc_ss; 102 u_int32_t mc_fpregs[28]; 103 u_int32_t __spare__[17]; 104 }; 105 106 struct ia32_ucontext4 { 107 sigset_t uc_sigmask; 108 struct ia32_mcontext4 uc_mcontext; 109 u_int32_t uc_link; 110 struct sigaltstack32 uc_stack; 111 u_int32_t __spare__[8]; 112 }; 113 #endif 114 115 #ifdef COMPAT_43 116 struct ia32_sigcontext3 { 117 u_int32_t sc_onstack; 118 u_int32_t sc_mask; 119 u_int32_t sc_esp; 120 u_int32_t sc_ebp; 121 u_int32_t sc_isp; 122 u_int32_t sc_eip; 123 u_int32_t sc_eflags; 124 u_int32_t sc_es; 125 u_int32_t sc_ds; 126 u_int32_t sc_cs; 127 u_int32_t sc_ss; 128 u_int32_t sc_edi; 129 u_int32_t sc_esi; 130 u_int32_t sc_ebx; 131 u_int32_t sc_edx; 132 u_int32_t sc_ecx; 133 u_int32_t sc_eax; 134 u_int32_t sc_gs; 135 u_int32_t sc_fs; 136 u_int32_t sc_trapno; 137 u_int32_t sc_err; 138 }; 139 #endif 140 141 /* 142 * Signal frames, arguments passed to application signal handlers. 143 */ 144 145 #ifdef COMPAT_FREEBSD4 146 struct ia32_sigframe4 { 147 u_int32_t sf_signum; 148 u_int32_t sf_siginfo; /* code or pointer to sf_si */ 149 u_int32_t sf_ucontext; /* points to sf_uc */ 150 u_int32_t sf_addr; /* undocumented 4th arg */ 151 u_int32_t sf_ah; /* action/handler pointer */ 152 struct ia32_ucontext4 sf_uc; /* = *sf_ucontext */ 153 struct siginfo32 sf_si; /* = *sf_siginfo (SA_SIGINFO case) */ 154 }; 155 #endif 156 157 struct ia32_sigframe { 158 u_int32_t sf_signum; 159 u_int32_t sf_siginfo; /* code or pointer to sf_si */ 160 u_int32_t sf_ucontext; /* points to sf_uc */ 161 u_int32_t sf_addr; /* undocumented 4th arg */ 162 u_int32_t sf_ah; /* action/handler pointer */ 163 /* Beware, hole due to ucontext being 16 byte aligned! */ 164 struct ia32_ucontext sf_uc; /* = *sf_ucontext */ 165 struct siginfo32 sf_si; /* = *sf_siginfo (SA_SIGINFO case) */ 166 }; 167 168 #ifdef COMPAT_43 169 struct ia32_siginfo3 { 170 struct ia32_sigcontext3 si_sc; 171 int si_signo; 172 int si_code; 173 union sigval32 si_value; 174 }; 175 struct ia32_sigframe3 { 176 int sf_signum; 177 u_int32_t sf_arg2; /* int or siginfo_t */ 178 u_int32_t sf_scp; 179 u_int32_t sf_addr; 180 u_int32_t sf_ah; /* action/handler pointer */ 181 struct ia32_siginfo3 sf_siginfo; 182 }; 183 #endif 184 185 struct ksiginfo; 186 struct image_params; 187 extern char ia32_sigcode[]; 188 extern char freebsd4_ia32_sigcode[]; 189 extern char ia32_osigcode[]; 190 extern char lcall_tramp; 191 extern int sz_ia32_sigcode; 192 extern int sz_freebsd4_ia32_sigcode; 193 extern int sz_ia32_osigcode; 194 extern int sz_lcall_tramp; 195 void ia32_sendsig(sig_t, struct ksiginfo *, sigset_t *); 196 void ia32_setregs(struct thread *td, struct image_params *imgp, 197 u_long stack); 198 int setup_lcall_gate(void); 199 200 #endif 201