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 #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 90 #if defined(COMPAT_FREEBSD4) 91 struct ia32_mcontext4 { 92 u_int32_t mc_onstack; /* XXX - sigcontext compat. */ 93 u_int32_t mc_gs; /* machine state (struct trapframe) */ 94 u_int32_t mc_fs; 95 u_int32_t mc_es; 96 u_int32_t mc_ds; 97 u_int32_t mc_edi; 98 u_int32_t mc_esi; 99 u_int32_t mc_ebp; 100 u_int32_t mc_isp; 101 u_int32_t mc_ebx; 102 u_int32_t mc_edx; 103 u_int32_t mc_ecx; 104 u_int32_t mc_eax; 105 u_int32_t mc_trapno; 106 u_int32_t mc_err; 107 u_int32_t mc_eip; 108 u_int32_t mc_cs; 109 u_int32_t mc_eflags; 110 u_int32_t mc_esp; 111 u_int32_t mc_ss; 112 u_int32_t mc_fpregs[28]; 113 u_int32_t __spare__[17]; 114 }; 115 116 struct ia32_ucontext4 { 117 sigset_t uc_sigmask; 118 struct ia32_mcontext4 uc_mcontext; 119 u_int32_t uc_link; 120 struct sigaltstack32 uc_stack; 121 u_int32_t __spare__[8]; 122 }; 123 #endif 124 125 #ifdef COMPAT_43 126 struct ia32_sigcontext3 { 127 u_int32_t sc_onstack; 128 u_int32_t sc_mask; 129 u_int32_t sc_esp; 130 u_int32_t sc_ebp; 131 u_int32_t sc_isp; 132 u_int32_t sc_eip; 133 u_int32_t sc_eflags; 134 u_int32_t sc_es; 135 u_int32_t sc_ds; 136 u_int32_t sc_cs; 137 u_int32_t sc_ss; 138 u_int32_t sc_edi; 139 u_int32_t sc_esi; 140 u_int32_t sc_ebx; 141 u_int32_t sc_edx; 142 u_int32_t sc_ecx; 143 u_int32_t sc_eax; 144 u_int32_t sc_gs; 145 u_int32_t sc_fs; 146 u_int32_t sc_trapno; 147 u_int32_t sc_err; 148 }; 149 #endif 150 151 /* 152 * Signal frames, arguments passed to application signal handlers. 153 */ 154 155 #ifdef COMPAT_FREEBSD4 156 struct ia32_sigframe4 { 157 u_int32_t sf_signum; 158 u_int32_t sf_siginfo; /* code or pointer to sf_si */ 159 u_int32_t sf_ucontext; /* points to sf_uc */ 160 u_int32_t sf_addr; /* undocumented 4th arg */ 161 u_int32_t sf_ah; /* action/handler pointer */ 162 struct ia32_ucontext4 sf_uc; /* = *sf_ucontext */ 163 struct siginfo32 sf_si; /* = *sf_siginfo (SA_SIGINFO case) */ 164 }; 165 #endif 166 167 struct ia32_sigframe { 168 u_int32_t sf_signum; 169 u_int32_t sf_siginfo; /* code or pointer to sf_si */ 170 u_int32_t sf_ucontext; /* points to sf_uc */ 171 u_int32_t sf_addr; /* undocumented 4th arg */ 172 u_int32_t sf_ah; /* action/handler pointer */ 173 /* Beware, hole due to ucontext being 16 byte aligned! */ 174 struct ia32_ucontext sf_uc; /* = *sf_ucontext */ 175 struct siginfo32 sf_si; /* = *sf_siginfo (SA_SIGINFO case) */ 176 }; 177 178 #ifdef COMPAT_43 179 struct ia32_siginfo3 { 180 struct ia32_sigcontext3 si_sc; 181 int si_signo; 182 int si_code; 183 union sigval32 si_value; 184 }; 185 struct ia32_sigframe3 { 186 int sf_signum; 187 u_int32_t sf_arg2; /* int or siginfo_t */ 188 u_int32_t sf_scp; 189 u_int32_t sf_addr; 190 u_int32_t sf_ah; /* action/handler pointer */ 191 struct ia32_siginfo3 sf_siginfo; 192 }; 193 #endif 194 195 struct ksiginfo; 196 struct image_params; 197 extern char ia32_sigcode[]; 198 extern char freebsd4_ia32_sigcode[]; 199 extern char ia32_osigcode[]; 200 extern char lcall_tramp; 201 extern int sz_ia32_sigcode; 202 extern int sz_freebsd4_ia32_sigcode; 203 extern int sz_ia32_osigcode; 204 extern int sz_lcall_tramp; 205 void ia32_sendsig(sig_t, struct ksiginfo *, sigset_t *); 206 void ia32_setregs(struct thread *td, struct image_params *imgp, 207 u_long stack); 208 int setup_lcall_gate(void); 209 210 #endif 211