bsd-user/freebsd/target_os_siginfo.h

   1 /*
   2  *  FreeBSD siginfo related definitions
   3  *
   4  *  Copyright (c) 2013 Stacey D. Son
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef TARGET_OS_SIGINFO_H
  21 #define TARGET_OS_SIGINFO_H
  22
  23 #define TARGET_NSIG         128
  24 #define TARGET_NSIG_BPW     (sizeof(uint32_t) * 8)
  25 #define TARGET_NSIG_WORDS   (TARGET_NSIG / TARGET_NSIG_BPW)
  26
  27 /* this struct defines a stack used during syscall handling */
  28 typedef struct target_sigaltstack {
  29     abi_long    ss_sp;
  30     abi_ulong   ss_size;
  31     abi_long    ss_flags;
  32 } target_stack_t;
  33
  34 typedef struct {
  35     uint32_t __bits[TARGET_NSIG_WORDS];
  36 } target_sigset_t;
  37
  38 struct target_sigaction {
  39     abi_ulong   _sa_handler;
  40     int32_t     sa_flags;
  41     target_sigset_t sa_mask;
  42 };
  43
  44 typedef union target_sigval {
  45     int32_t sival_int;
  46     abi_ulong sival_ptr;
  47     int32_t sigval_int;
  48     abi_ulong sigval_ptr;
  49 } target_sigval_t;
  50
  51 typedef struct target_siginfo {
  52     int32_t si_signo;   /* signal number */
  53     int32_t si_errno;   /* errno association */
  54     int32_t si_code;    /* signal code */
  55     int32_t si_pid;     /* sending process */
  56     int32_t si_uid;     /* sender's ruid */
  57     int32_t si_status;  /* exit value */
  58     abi_ulong si_addr;  /* faulting instruction */
  59     union target_sigval si_value;   /* signal value */
  60     union {
  61         struct {
  62             int32_t _trapno;    /* machine specific trap code */
  63         } _fault;
  64
  65         /* POSIX.1b timers */
  66         struct {
  67             int32_t _timerid;
  68             int32_t _overrun;
  69         } _timer;
  70
  71         struct {
  72             int32_t _mqd;
  73         } _mesgp;
  74
  75         /* SIGPOLL -- Not really generated in FreeBSD ??? */
  76         struct {
  77             int _band;  /* POLL_IN, POLL_OUT, POLL_MSG */
  78         } _poll;
  79
  80         struct {
  81             int _mqd;
  82         } _mesgq;
  83
  84         struct {
  85             /*
  86              * Syscall number for signals delivered as a result of system calls
  87              * denied by Capsicum.
  88              */
  89             int _syscall;
  90         } _capsicum;
  91
  92         /* Spare for future growth */
  93         struct {
  94             abi_long __spare1__;
  95             int32_t  __spare2_[7];
  96         } __spare__;
  97     } _reason;
  98 } target_siginfo_t;
  99
 100 struct target_sigevent {
 101     abi_int sigev_notify;
 102     abi_int sigev_signo;
 103     target_sigval_t sigev_value;
 104     union {
 105         abi_int _threadid;
 106
 107         /*
 108          * The kernel (and thus QEMU) never looks at these;
 109          * they're only used as part of the ABI between a
 110          * userspace program and libc.
 111          */
 112         struct {
 113             abi_ulong _function;
 114             abi_ulong _attribute;
 115         } _sigev_thread;
 116         abi_ushort _kevent_flags;
 117         abi_long _pad[8];
 118     } _sigev_un;
 119 };
 120
 121 #define target_si_signo     si_signo
 122 #define target_si_code      si_code
 123 #define target_si_errno     si_errno
 124 #define target_si_addr      si_addr
 125
 126 /* SIGILL si_codes */
 127 #define TARGET_ILL_ILLOPC   (1) /* Illegal opcode. */
 128 #define TARGET_ILL_ILLOPN   (2) /* Illegal operand. */
 129 #define TARGET_ILL_ILLADR   (3) /* Illegal addressing mode. */
 130 #define TARGET_ILL_ILLTRP   (4) /* Illegal trap. */
 131 #define TARGET_ILL_PRVOPC   (5) /* Privileged opcode. */
 132 #define TARGET_ILL_PRVREG   (6) /* Privileged register. */
 133 #define TARGET_ILL_COPROC   (7) /* Coprocessor error. */
 134 #define TARGET_ILL_BADSTK   (8) /* Internal stack error. */
 135
 136 /* SIGSEGV si_codes */
 137 #define TARGET_SEGV_MAPERR  (1) /* address not mapped to object */
 138 #define TARGET_SEGV_ACCERR  (2) /* invalid permissions for mapped object */
 139
 140 /* SIGTRAP si_codes */
 141 #define TARGET_TRAP_BRKPT   (1) /* process beakpoint */
 142 #define TARGET_TRAP_TRACE   (2) /* process trace trap */
 143
 144 /* SIGBUS si_codes */
 145 #define TARGET_BUS_ADRALN   (1)
 146 #define TARGET_BUS_ADRERR   (2)
 147 #define TARGET_BUS_OBJERR   (3)
 148
 149 /* SIGFPE codes */
 150 #define TARGET_FPE_INTOVF   (1) /* Integer overflow. */
 151 #define TARGET_FPE_INTDIV   (2) /* Integer divide by zero. */
 152 #define TARGET_FPE_FLTDIV   (3) /* Floating point divide by zero. */
 153 #define TARGET_FPE_FLTOVF   (4) /* Floating point overflow. */
 154 #define TARGET_FPE_FLTUND   (5) /* Floating point underflow. */
 155 #define TARGET_FPE_FLTRES   (6) /* Floating point inexact result. */
 156 #define TARGET_FPE_FLTINV   (7) /* Invalid floating point operation. */
 157 #define TARGET_FPE_FLTSUB   (8) /* Subscript out of range. */
 158
 159 #endif /* TARGET_OS_SIGINFO_H */