1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1999 Marcel Moolenaar 5 * Copyright (c) 2003 Peter Wemm 6 * All rights reserved. 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 * in this position and unchanged. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _COMPAT_IA32_IA32_SIGNAL_H 33 #define _COMPAT_IA32_IA32_SIGNAL_H 34 35 #include <compat/freebsd32/freebsd32_signal.h> 36 37 #define _MC_IA32_HASSEGS 0x1 38 #define _MC_IA32_HASBASES 0x2 39 #define _MC_IA32_HASFPXSTATE 0x4 40 #define _MC_IA32_FLAG_MASK \ 41 (_MC_IA32_HASSEGS | _MC_IA32_HASBASES | _MC_IA32_HASFPXSTATE) 42 43 struct ia32_mcontext { 44 u_int32_t mc_onstack; /* XXX - sigcontext compat. */ 45 u_int32_t mc_gs; /* machine state (struct trapframe) */ 46 u_int32_t mc_fs; 47 u_int32_t mc_es; 48 u_int32_t mc_ds; 49 u_int32_t mc_edi; 50 u_int32_t mc_esi; 51 u_int32_t mc_ebp; 52 u_int32_t mc_isp; 53 u_int32_t mc_ebx; 54 u_int32_t mc_edx; 55 u_int32_t mc_ecx; 56 u_int32_t mc_eax; 57 u_int32_t mc_trapno; 58 u_int32_t mc_err; 59 u_int32_t mc_eip; 60 u_int32_t mc_cs; 61 u_int32_t mc_eflags; 62 u_int32_t mc_esp; 63 u_int32_t mc_ss; 64 u_int32_t mc_len; /* sizeof(struct ia32_mcontext) */ 65 /* We use the same values for fpformat and ownedfp */ 66 u_int32_t mc_fpformat; 67 u_int32_t mc_ownedfp; 68 u_int32_t mc_flags; 69 /* 70 * See <i386/include/npx.h> for the internals of mc_fpstate[]. 71 */ 72 u_int32_t mc_fpstate[128] __aligned(16); 73 u_int32_t mc_fsbase; 74 u_int32_t mc_gsbase; 75 u_int32_t mc_xfpustate; 76 u_int32_t mc_xfpustate_len; 77 u_int32_t mc_spare2[4]; 78 }; 79 80 struct ia32_ucontext { 81 sigset_t uc_sigmask; 82 struct ia32_mcontext uc_mcontext; 83 u_int32_t uc_link; 84 struct sigaltstack32 uc_stack; 85 u_int32_t uc_flags; 86 u_int32_t __spare__[4]; 87 }; 88 89 #if defined(COMPAT_FREEBSD4) 90 struct ia32_mcontext4 { 91 u_int32_t mc_onstack; /* XXX - sigcontext compat. */ 92 u_int32_t mc_gs; /* machine state (struct trapframe) */ 93 u_int32_t mc_fs; 94 u_int32_t mc_es; 95 u_int32_t mc_ds; 96 u_int32_t mc_edi; 97 u_int32_t mc_esi; 98 u_int32_t mc_ebp; 99 u_int32_t mc_isp; 100 u_int32_t mc_ebx; 101 u_int32_t mc_edx; 102 u_int32_t mc_ecx; 103 u_int32_t mc_eax; 104 u_int32_t mc_trapno; 105 u_int32_t mc_err; 106 u_int32_t mc_eip; 107 u_int32_t mc_cs; 108 u_int32_t mc_eflags; 109 u_int32_t mc_esp; 110 u_int32_t mc_ss; 111 u_int32_t mc_fpregs[28]; 112 u_int32_t __spare__[17]; 113 }; 114 115 struct ia32_ucontext4 { 116 sigset_t uc_sigmask; 117 struct ia32_mcontext4 uc_mcontext; 118 u_int32_t uc_link; 119 struct sigaltstack32 uc_stack; 120 u_int32_t __spare__[8]; 121 }; 122 #endif 123 124 #ifdef COMPAT_43 125 struct ia32_sigcontext3 { 126 u_int32_t sc_onstack; 127 u_int32_t sc_mask; 128 u_int32_t sc_esp; 129 u_int32_t sc_ebp; 130 u_int32_t sc_isp; 131 u_int32_t sc_eip; 132 u_int32_t sc_eflags; 133 u_int32_t sc_es; 134 u_int32_t sc_ds; 135 u_int32_t sc_cs; 136 u_int32_t sc_ss; 137 u_int32_t sc_edi; 138 u_int32_t sc_esi; 139 u_int32_t sc_ebx; 140 u_int32_t sc_edx; 141 u_int32_t sc_ecx; 142 u_int32_t sc_eax; 143 u_int32_t sc_gs; 144 u_int32_t sc_fs; 145 u_int32_t sc_trapno; 146 u_int32_t sc_err; 147 }; 148 #endif 149 150 /* 151 * Signal frames, arguments passed to application signal handlers. 152 */ 153 154 #ifdef COMPAT_FREEBSD4 155 struct ia32_sigframe4 { 156 u_int32_t sf_signum; 157 u_int32_t sf_siginfo; /* code or pointer to sf_si */ 158 u_int32_t sf_ucontext; /* points to sf_uc */ 159 u_int32_t sf_addr; /* undocumented 4th arg */ 160 u_int32_t sf_ah; /* action/handler pointer */ 161 struct ia32_ucontext4 sf_uc; /* = *sf_ucontext */ 162 struct siginfo32 sf_si; /* = *sf_siginfo (SA_SIGINFO case) */ 163 }; 164 #endif 165 166 struct ia32_sigframe { 167 u_int32_t sf_signum; 168 u_int32_t sf_siginfo; /* code or pointer to sf_si */ 169 u_int32_t sf_ucontext; /* points to sf_uc */ 170 u_int32_t sf_addr; /* undocumented 4th arg */ 171 u_int32_t sf_ah; /* action/handler pointer */ 172 /* Beware, hole due to ucontext being 16 byte aligned! */ 173 struct ia32_ucontext sf_uc; /* = *sf_ucontext */ 174 struct siginfo32 sf_si; /* = *sf_siginfo (SA_SIGINFO case) */ 175 }; 176 177 #ifdef COMPAT_43 178 struct ia32_siginfo3 { 179 struct ia32_sigcontext3 si_sc; 180 int si_signo; 181 int si_code; 182 union sigval32 si_value; 183 }; 184 struct ia32_sigframe3 { 185 int sf_signum; 186 u_int32_t sf_arg2; /* int or siginfo_t */ 187 u_int32_t sf_scp; 188 u_int32_t sf_addr; 189 u_int32_t sf_ah; /* action/handler pointer */ 190 struct ia32_siginfo3 sf_siginfo; 191 }; 192 #endif 193 194 struct ksiginfo; 195 struct image_params; 196 void ia32_sendsig(sig_t, struct ksiginfo *, sigset_t *); 197 void ia32_setregs(struct thread *td, struct image_params *imgp, 198 uintptr_t stack); 199 int setup_lcall_gate(void); 200 201 #endif 202