Home | History | Annotate | Line # | Download | only in amd64
linux32_signal.h revision 1.1.2.2
      1 /*	$NetBSD: linux32_signal.h,v 1.1.2.2 2006/02/18 15:38:59 yamt Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2006 Emmanuel Dreyfus, 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  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by Emmanuel Dreyfus
     17  * 4. The name of the author may not be used to endorse or promote
     18  *    products derived from this software without specific prior written
     19  *    permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS''
     22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     23  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
     25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     31  * POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 #ifndef _I386_LINUX32_SIGNAL_H_
     34 #define _I386_LINUX32_SIGNAL_H_
     35 
     36 #define native_to_linux32_signo native_to_linux_signo
     37 #define linux32_to_native_signo linux_to_native_signo
     38 
     39 typedef	netbsd32_pointer_t	linux32_handler_t;
     40 typedef	netbsd32_pointer_t	linux32_restorer_t;
     41 typedef netbsd32_pointer_t 	linux32_siginfop_t;
     42 typedef netbsd32_pointer_t 	linux32_ucontextp_t;
     43 typedef netbsd32_pointer_t 	linux32_sigcontextp_t;
     44 typedef netbsd32_pointer_t 	linux32_fpstatep_t;
     45 typedef u_int32_t		linux32_old_sigset_t;
     46 
     47 #define LINUX32__NSIG             64
     48 #define LINUX32__NSIG_BPW         32
     49 #define LINUX32__NSIG_WORDS       (LINUX32__NSIG / LINUX32__NSIG_BPW)
     50 
     51 #define LINUX32_SIG_BLOCK         0
     52 #define LINUX32_SIG_UNBLOCK       1
     53 #define LINUX32_SIG_SETMASK       2
     54 
     55 #define LINUX32_SA_NOCLDSTOP      0x00000001
     56 #define LINUX32_SA_NOCLDWAIT      0x00000002
     57 #define LINUX32_SA_SIGINFO        0x00000004
     58 #define LINUX32_SA_RESTORER       0x04000000
     59 #define LINUX32_SA_ONSTACK        0x08000000
     60 #define LINUX32_SA_RESTART        0x10000000
     61 #define LINUX32_SA_INTERRUPT      0x20000000
     62 #define LINUX32_SA_NOMASK         0x40000000
     63 #define LINUX32_SA_ONESHOT        0x80000000
     64 #define LINUX32_SA_ALLBITS        0xfc000007
     65 
     66 #define LINUX32_SS_ONSTACK        1
     67 #define LINUX32_SS_DISABLE        2
     68 
     69 /*
     70  * We only define the ones used in linux32_machdep.c, since they are
     71  * the same on i386 and amd64...
     72  */
     73 #define LINUX32_SIGILL	LINUX_SIGILL
     74 #define LINUX32_SIGFPE	LINUX_SIGFPE
     75 #define LINUX32_SIGSEGV	LINUX_SIGSEGV
     76 #define LINUX32_SIGBUS	LINUX_SIGBUS
     77 #define LINUX32_SIGTRAP	LINUX_SIGTRAP
     78 #define LINUX32_SIGCHLD	LINUX_SIGCHLD
     79 #define LINUX32_SIGIO	LINUX_SIGIO
     80 #define LINUX32_SIGALRM	LINUX_SIGALRM
     81 #define LINUX32_SIGRTMIN	LINUX_SIGRTMIN
     82 
     83 typedef struct {
     84 	u_int32_t sig[LINUX32__NSIG_WORDS];
     85 } linux32_sigset_t;
     86 
     87 struct linux32_sigaction {
     88 	linux32_handler_t	linux_sa_handler;
     89 	u_int32_t		linux_sa_flags;
     90 	linux32_restorer_t	linux_sa_restorer;
     91 	linux32_sigset_t	linux_sa_mask;
     92 };
     93 
     94 typedef union linux32_sigval {
     95 	int	sival_int;
     96 	netbsd32_voidp	sival_ptr;
     97 } linux32_sigval_t;
     98 
     99 #define SI_MAX_SIZE	128
    100 #define SI_PAD_SIZE	((SI_MAX_SIZE/sizeof(int)) - 3)
    101 
    102 typedef struct linux32_siginfo {
    103 	int	lsi_signo;
    104 	int	lsi_errno;
    105 	int	lsi_code;
    106 	union {
    107 		int _pad[SI_PAD_SIZE];
    108 
    109 		/* kill() */
    110 		struct {
    111 			linux32_pid_t	_pid;
    112 			linux32_uid_t	_uid;
    113 		} _kill;
    114 
    115 		/* POSIX.1b signals */
    116 		struct {
    117 			linux32_pid_t	_pid;
    118 			linux32_uid_t	_uid;
    119 			linux32_sigval_t	_sigval;
    120 		} _rt;
    121 
    122 		/* POSIX.1b timers */
    123 		struct {
    124 			unsigned int	_timer1;
    125 			unsigned int	_timer2;
    126 		} _timer;
    127 
    128 		/* SIGCHLD */
    129 		struct {
    130 			linux32_pid_t	_pid;
    131 			linux32_uid_t	_uid;
    132 			int		_status;
    133 			linux32_clock_t	_utime;
    134 			linux32_clock_t	_stime;
    135 		} _sigchld;
    136 
    137 		/* SIGPOLL */
    138 		struct {
    139 			int _band;
    140 			int _fd;
    141 		} _sigpoll;
    142 
    143 		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
    144 		struct {
    145 			netbsd32_voidp _addr;
    146 		} _sigfault;
    147 	} _sidata;
    148 } linux32_siginfo_t;
    149 
    150 #define lsi_pid		_sidata._kill._pid
    151 #define lsi_uid		_sidata._kill._uid
    152 #define lsi_status      _sidata._sigchld._status
    153 #define lsi_utime       _sidata._sigchld._utime
    154 #define lsi_stime       _sidata._sigchld._stime
    155 #define lsi_value       _sidata._rt._sigval
    156 #define lsi_int         _sidata._rt._sigval.sival_int
    157 #define lsi_ptr         _sidata._rt._sigval.sival_ptr
    158 #define lsi_addr        _sidata._sigfault._addr
    159 #define lsi_band        _sidata._sigpoll._band
    160 #define lsi_fd          _sidata._sigpoll._fd
    161 
    162 /*
    163  * si_code values for non-signals
    164  */
    165 #define LINUX32_SI_USER		0
    166 #define	LINUX32_SI_KERNEL		0x80
    167 #define LINUX32_SI_QUEUE		-1
    168 #define LINUX32_SI_TIMER		-2
    169 #define LINUX32_SI_MESGQ		-3
    170 #define LINUX32_SI_ASYNCIO	-4
    171 #define LINUX32_SI_SIGIO		-5
    172 #define LINUX32_SI_SIGNL		-6
    173 
    174 /* si_code values for SIGILL */
    175 #define	LINUX32_ILL_ILLOPC	1
    176 #define	LINUX32_ILL_ILLOPN	2
    177 #define	LINUX32_ILL_ILLADR	3
    178 #define	LINUX32_ILL_ILLTRP	4
    179 #define	LINUX32_ILL_PRVOPC	5
    180 #define	LINUX32_ILL_PRVREG	6
    181 #define	LINUX32_ILL_COPROC	7
    182 #define	LINUX32_ILL_BADSTK	8
    183 
    184 /* si_code values for SIGFPE */
    185 #define	LINUX32_FPE_INTDIV 	1
    186 #define	LINUX32_FPE_INTOVF	2
    187 #define	LINUX32_FPE_FLTDIV	3
    188 #define	LINUX32_FPE_FLTOVF	4
    189 #define	LINUX32_FPE_FLTUND	5
    190 #define	LINUX32_FPE_FLTRES	6
    191 #define	LINUX32_FPE_FLTINV	7
    192 #define	LINUX32_FPE_FLTSUB	8
    193 
    194 /* si_code values for SIGSEGV */
    195 #define	LINUX32_SEGV_MAPERR	1
    196 #define	LINUX32_SEGV_ACCERR	2
    197 
    198 /* si_code values for SIGBUS */
    199 #define	LINUX32_BUS_ADRALN	1
    200 #define	LINUX32_BUS_ADRERR	2
    201 #define	LINUX32_BUS_OBJERR	3
    202 
    203 /* si_code values for SIGTRAP */
    204 #define	LINUX32_TRAP_BRKPT	1
    205 #define	LINUX32_TRAP_TRACE	2
    206 
    207 /* si_code values for SIGCHLD */
    208 #define	LINUX32_CLD_EXITED	1
    209 #define	LINUX32_CLD_KILLED	2
    210 #define	LINUX32_CLD_DUMPED	3
    211 #define	LINUX32_CLD_TRAPPED	4
    212 #define	LINUX32_CLD_STOPPED	5
    213 #define	LINUX32_CLD_CONTINUED	6
    214 
    215 /* si_code values for SIGPOLL */
    216 #define	LINUX32_POLL_IN		1
    217 #define	LINUX32_POLL_OUT		2
    218 #define	LINUX32_POLL_MSG		3
    219 #define	LINUX32_POLL_ERR		4
    220 #define	LINUX32_POLL_PRI		5
    221 #define	LINUX32_POLL_HUP		6
    222 
    223 #define LINUX32_SI_FROMUSER(sp)	((sp)->si_code <= 0)
    224 #define LINUX32_SI_FROMKERNEL(sp)	((sp)->si_code > 0)
    225 
    226 struct linux32_sigaltstack {
    227         netbsd32_voidp ss_sp;
    228         int ss_flags;
    229         netbsd32_size_t ss_size;
    230 };
    231 
    232 struct linux32_sigcontext {
    233         int     sc_gs;
    234         int     sc_fs;
    235         int     sc_es;
    236         int     sc_ds;
    237         int     sc_edi;
    238         int     sc_esi;
    239         int     sc_ebp;
    240         int     sc_esp;
    241         int     sc_ebx;
    242         int     sc_edx;
    243         int     sc_ecx;
    244         int     sc_eax;
    245         int     sc_trapno;
    246         int     sc_err;
    247         int     sc_eip;
    248         int     sc_cs;
    249         int     sc_eflags;
    250         int     sc_esp_at_signal;
    251         int     sc_ss;
    252         linux32_fpstatep_t sc_387;
    253         /* XXX check this */
    254         linux32_old_sigset_t sc_mask;
    255 	int     sc_cr2;
    256 };
    257 
    258 struct linux32_libc_fpreg {
    259         unsigned short  significand[4];
    260         unsigned short  exponent;
    261 };
    262 
    263 struct linux32_libc_fpstate {
    264         u_int32_t cw;
    265         u_int32_t sw;
    266         u_int32_t tag;
    267         u_int32_t ipoff;
    268         u_int32_t cssel;
    269         u_int32_t dataoff;
    270         u_int32_t datasel;
    271         struct linux32_libc_fpreg _st[8];
    272         u_int32_t status;
    273 };
    274 
    275 struct linux32_ucontext {
    276         u_int32_t   uc_flags;
    277         linux32_ucontextp_t uc_link;
    278         struct linux32_sigaltstack uc_stack;
    279         struct linux32_sigcontext uc_mcontext;
    280         linux32_sigset_t uc_sigmask;
    281         struct linux32_libc_fpstate uc_fpregs_mem;
    282 };
    283 
    284 struct linux32_rt_sigframe {
    285         int     sf_sig;
    286         linux32_siginfop_t  sf_sip;
    287         linux32_ucontextp_t sf_ucp;
    288         struct  linux32_siginfo  sf_si;
    289         struct  linux32_ucontext sf_uc;
    290         linux32_handler_t   sf_handler;
    291 };
    292 
    293 struct linux32_sigframe {
    294         int     sf_sig;
    295         struct  linux32_sigcontext sf_sc;
    296         linux32_handler_t   sf_handler;
    297 };
    298 
    299 #endif /* _I386_LINUX32_SIGNAL_H_ */
    300