/*      $NetBSD: linux32_signal.h,v 1.4 2015/03/08 17:10:44 christos Exp $ */

/*-
* Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
*    must display the following acknowledgement:
*      This product includes software developed by Emmanuel Dreyfus
* 4. The name of the author may not be used to endorse or promote
*    products derived from this software without specific prior written
*    permission.
*
* THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _AMD64_LINUX32_SIGNAL_H_
#define _AMD64_LINUX32_SIGNAL_H_

#define native_to_linux32_signo native_to_linux_signo
#define linux32_to_native_signo linux_to_native_signo

typedef netbsd32_pointer_t      linux32_handlerp_t;
typedef netbsd32_pointer_t      linux32_restorer_t;
typedef netbsd32_pointer_t      linux32_siginfop_t;
typedef netbsd32_pointer_t      linux32_ucontextp_t;
typedef netbsd32_pointer_t      linux32_sigcontextp_t;
typedef netbsd32_pointer_t      linux32_fpstatep_t;
typedef u_int32_t               linux32_old_sigset_t;

#define LINUX32__NSIG             64
#define LINUX32__NSIG_BPW         32
#define LINUX32__NSIG_WORDS       (LINUX32__NSIG / LINUX32__NSIG_BPW)

#define LINUX32_SIG_BLOCK         0
#define LINUX32_SIG_UNBLOCK       1
#define LINUX32_SIG_SETMASK       2

#define LINUX32_SA_NOCLDSTOP      0x00000001
#define LINUX32_SA_NOCLDWAIT      0x00000002
#define LINUX32_SA_SIGINFO        0x00000004
#define LINUX32_SA_RESTORER       0x04000000
#define LINUX32_SA_ONSTACK        0x08000000
#define LINUX32_SA_RESTART        0x10000000
#define LINUX32_SA_INTERRUPT      0x20000000
#define LINUX32_SA_NOMASK         0x40000000
#define LINUX32_SA_ONESHOT        0x80000000
#define LINUX32_SA_ALLBITS        0xfc000007

#define LINUX32_SS_ONSTACK        1
#define LINUX32_SS_DISABLE        2

/*
* We only define the ones used in linux32_machdep.c, since they are
* the same on i386 and amd64...
*/
#define LINUX32_SIGILL  LINUX_SIGILL
#define LINUX32_SIGFPE  LINUX_SIGFPE
#define LINUX32_SIGSEGV LINUX_SIGSEGV
#define LINUX32_SIGBUS  LINUX_SIGBUS
#define LINUX32_SIGTRAP LINUX_SIGTRAP
#define LINUX32_SIGCHLD LINUX_SIGCHLD
#define LINUX32_SIGIO   LINUX_SIGIO
#define LINUX32_SIGALRM LINUX_SIGALRM
#define LINUX32_SIGRTMIN        LINUX_SIGRTMIN

typedef struct {
       u_int32_t sig[LINUX32__NSIG_WORDS];
} linux32_sigset_t;

struct linux32_sigaction {
       linux32_handlerp_t      linux_sa_handler;
       u_int32_t               linux_sa_flags;
       linux32_restorer_t      linux_sa_restorer;
       linux32_sigset_t        linux_sa_mask;
};


struct linux32_sigaltstack {
       netbsd32_voidp ss_sp;
       int ss_flags;
       netbsd32_size_t ss_size;
};

struct linux32_sigcontext {
       int     sc_gs;
       int     sc_fs;
       int     sc_es;
       int     sc_ds;
       int     sc_edi;
       int     sc_esi;
       int     sc_ebp;
       int     sc_esp;
       int     sc_ebx;
       int     sc_edx;
       int     sc_ecx;
       int     sc_eax;
       int     sc_trapno;
       int     sc_err;
       int     sc_eip;
       int     sc_cs;
       int     sc_eflags;
       int     sc_esp_at_signal;
       int     sc_ss;
       linux32_fpstatep_t sc_387;
       /* XXX check this */
       linux32_old_sigset_t sc_mask;
       int     sc_cr2;
};

struct linux32_libc_fpreg {
       unsigned short  significand[4];
       unsigned short  exponent;
};

struct linux32_libc_fpstate {
       u_int32_t cw;
       u_int32_t sw;
       u_int32_t tag;
       u_int32_t ipoff;
       u_int32_t cssel;
       u_int32_t dataoff;
       u_int32_t datasel;
       struct linux32_libc_fpreg _st[8];
       u_int32_t status;
};

struct linux32_ucontext {
       u_int32_t   uc_flags;
       linux32_ucontextp_t uc_link;
       struct linux32_sigaltstack uc_stack;
       struct linux32_sigcontext uc_mcontext;
       linux32_sigset_t uc_sigmask;
       struct linux32_libc_fpstate uc_fpregs_mem;
};

struct linux32_rt_sigframe {
       int     sf_sig;
       linux32_siginfop_t  sf_sip;
       linux32_ucontextp_t sf_ucp;
       struct  linux32_siginfo  sf_si;
       struct  linux32_ucontext sf_uc;
       linux32_handlerp_t   sf_handler;
};

struct linux32_sigframe {
       int     sf_sig;
       struct  linux32_sigcontext sf_sc;
       linux32_handlerp_t   sf_handler;
};

#endif /* _AMD64_LINUX32_SIGNAL_H_ */