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 uint32_t mc_onstack; /* XXX - sigcontext compat. */ 45 uint32_t mc_gs; /* machine state (struct trapframe) */ 46 uint32_t mc_fs; 47 uint32_t mc_es; 48 uint32_t mc_ds; 49 uint32_t mc_edi; 50 uint32_t mc_esi; 51 uint32_t mc_ebp; 52 uint32_t mc_isp; 53 uint32_t mc_ebx; 54 uint32_t mc_edx; 55 uint32_t mc_ecx; 56 uint32_t mc_eax; 57 uint32_t mc_trapno; 58 uint32_t mc_err; 59 uint32_t mc_eip; 60 uint32_t mc_cs; 61 uint32_t mc_eflags; 62 uint32_t mc_esp; 63 uint32_t mc_ss; 64 uint32_t mc_len; /* sizeof(struct ia32_mcontext) */ 65 /* We use the same values for fpformat and ownedfp */ 66 uint32_t mc_fpformat; 67 uint32_t mc_ownedfp; 68 uint32_t mc_flags; 69 /* 70 * See <i386/include/npx.h> for the internals of mc_fpstate[]. 71 */ 72 uint32_t mc_fpstate[128] __aligned(16); 73 uint32_t mc_fsbase; 74 uint32_t mc_gsbase; 75 uint32_t mc_xfpustate; 76 uint32_t mc_xfpustate_len; 77 uint32_t mc_spare2[4]; 78 }; 79 80 struct ia32_ucontext { 81 sigset_t uc_sigmask; 82 struct ia32_mcontext uc_mcontext; 83 uint32_t uc_link; 84 struct sigaltstack32 uc_stack; 85 uint32_t uc_flags; 86 uint32_t __spare__[4]; 87 }; 88 89 struct ia32_freebsd4_mcontext { 90 uint32_t mc_onstack; /* XXX - sigcontext compat. */ 91 uint32_t mc_gs; /* machine state (struct trapframe) */ 92 uint32_t mc_fs; 93 uint32_t mc_es; 94 uint32_t mc_ds; 95 uint32_t mc_edi; 96 uint32_t mc_esi; 97 uint32_t mc_ebp; 98 uint32_t mc_isp; 99 uint32_t mc_ebx; 100 uint32_t mc_edx; 101 uint32_t mc_ecx; 102 uint32_t mc_eax; 103 uint32_t mc_trapno; 104 uint32_t mc_err; 105 uint32_t mc_eip; 106 uint32_t mc_cs; 107 uint32_t mc_eflags; 108 uint32_t mc_esp; 109 uint32_t mc_ss; 110 uint32_t mc_fpregs[28]; 111 uint32_t __spare__[17]; 112 }; 113 114 struct ia32_freebsd4_ucontext { 115 sigset_t uc_sigmask; 116 struct ia32_freebsd4_mcontext uc_mcontext; 117 uint32_t uc_link; 118 struct sigaltstack32 uc_stack; 119 uint32_t __spare__[8]; 120 }; 121 122 struct ia32_osigcontext { 123 uint32_t sc_onstack; 124 uint32_t sc_mask; 125 uint32_t sc_esp; 126 uint32_t sc_ebp; 127 uint32_t sc_isp; 128 uint32_t sc_eip; 129 uint32_t sc_eflags; 130 uint32_t sc_es; 131 uint32_t sc_ds; 132 uint32_t sc_cs; 133 uint32_t sc_ss; 134 uint32_t sc_edi; 135 uint32_t sc_esi; 136 uint32_t sc_ebx; 137 uint32_t sc_edx; 138 uint32_t sc_ecx; 139 uint32_t sc_eax; 140 uint32_t sc_gs; 141 uint32_t sc_fs; 142 uint32_t sc_trapno; 143 uint32_t sc_err; 144 }; 145 146 /* 147 * Signal frames, arguments passed to application signal handlers. 148 */ 149 150 struct ia32_freebsd4_sigframe { 151 uint32_t sf_signum; 152 uint32_t sf_siginfo; /* code or pointer to sf_si */ 153 uint32_t sf_ucontext; /* points to sf_uc */ 154 uint32_t sf_addr; /* undocumented 4th arg */ 155 uint32_t sf_ah; /* action/handler pointer */ 156 struct ia32_freebsd4_ucontext sf_uc; /* = *sf_ucontext */ 157 struct siginfo32 sf_si; /* = *sf_siginfo (SA_SIGINFO case) */ 158 }; 159 160 struct ia32_sigframe { 161 uint32_t sf_signum; 162 uint32_t sf_siginfo; /* code or pointer to sf_si */ 163 uint32_t sf_ucontext; /* points to sf_uc */ 164 uint32_t sf_addr; /* undocumented 4th arg */ 165 uint32_t sf_ah; /* action/handler pointer */ 166 /* Beware, hole due to ucontext being 16 byte aligned! */ 167 struct ia32_ucontext sf_uc; /* = *sf_ucontext */ 168 struct siginfo32 sf_si; /* = *sf_siginfo (SA_SIGINFO case) */ 169 }; 170 171 struct ia32_osiginfo { 172 struct ia32_osigcontext si_sc; 173 int si_signo; 174 int si_code; 175 union sigval32 si_value; 176 }; 177 struct ia32_osigframe { 178 int sf_signum; 179 uint32_t sf_arg2; /* int or siginfo_t */ 180 uint32_t sf_scp; 181 uint32_t sf_addr; 182 uint32_t sf_ah; /* action/handler pointer */ 183 struct ia32_osiginfo sf_siginfo; 184 }; 185 186 struct ksiginfo; 187 struct image_params; 188 void ia32_sendsig(sig_t, struct ksiginfo *, sigset_t *); 189 void ia32_setregs(struct thread *td, struct image_params *imgp, 190 uintptr_t stack); 191 int setup_lcall_gate(void); 192 193 #endif 194