text: /*-
   * SPDX-License-Identifier: BSD-3-Clause
   *
   * Copyright (c) 1999 Marcel Moolenaar
   * Copyright (c) 2003 Peter Wemm
   * 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 
   *    in this position and unchanged.
   * 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. 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 AUTHOR ``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 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.
   *
   * $FreeBSD$
   */
  
  #ifndef	_COMPAT_IA32_IA32_SIGNAL_H
  #define	_COMPAT_IA32_IA32_SIGNAL_H
  
  #include <compat/freebsd32/freebsd32_signal.h>
  
  #define	_MC_IA32_HASSEGS	0x1
  #define	_MC_IA32_HASBASES	0x2
  #define	_MC_IA32_HASFPXSTATE	0x4
  #define	_MC_IA32_FLAG_MASK	\
      (_MC_IA32_HASSEGS | _MC_IA32_HASBASES | _MC_IA32_HASFPXSTATE)
  
  struct ia32_mcontext {
  	u_int32_t	mc_onstack;		/* XXX - sigcontext compat. */
  	u_int32_t	mc_gs;			/* machine state (struct trapframe) */
  	u_int32_t	mc_fs;
  	u_int32_t	mc_es;
  	u_int32_t	mc_ds;
  	u_int32_t	mc_edi;
  	u_int32_t	mc_esi;
  	u_int32_t	mc_ebp;
  	u_int32_t	mc_isp;
  	u_int32_t	mc_ebx;
  	u_int32_t	mc_edx;
  	u_int32_t	mc_ecx;
  	u_int32_t	mc_eax;
  	u_int32_t	mc_trapno;
  	u_int32_t	mc_err;
  	u_int32_t	mc_eip;
  	u_int32_t	mc_cs;
  	u_int32_t	mc_eflags;
  	u_int32_t	mc_esp;
  	u_int32_t	mc_ss;
  	u_int32_t	mc_len;			/* sizeof(struct ia32_mcontext) */
  	/* We use the same values for fpformat and ownedfp */
  	u_int32_t	mc_fpformat;
  	u_int32_t	mc_ownedfp;
  	u_int32_t	mc_flags;
  	/*
  	 * See <i386/include/npx.h> for the internals of mc_fpstate[].
  	 */
  	u_int32_t	mc_fpstate[128] __aligned(16);
  	u_int32_t	mc_fsbase;
  	u_int32_t	mc_gsbase;
  	u_int32_t	mc_xfpustate;
  	u_int32_t	mc_xfpustate_len;
  	u_int32_t	mc_spare2[4];
  };
  
  struct ia32_ucontext {
  	sigset_t		uc_sigmask;
  	struct ia32_mcontext	uc_mcontext;
  	u_int32_t		uc_link;
  	struct sigaltstack32	uc_stack;
  	u_int32_t		uc_flags;
  	u_int32_t		__spare__[4];
  };
  
  
  #if defined(COMPAT_FREEBSD4)
  struct ia32_mcontext4 {
  	u_int32_t	mc_onstack;		/* XXX - sigcontext compat. */
  	u_int32_t	mc_gs;			/* machine state (struct trapframe) */
  	u_int32_t	mc_fs;
  	u_int32_t	mc_es;
  	u_int32_t	mc_ds;
  	u_int32_t	mc_edi;
  	u_int32_t	mc_esi;
  	u_int32_t	mc_ebp;
  	u_int32_t	mc_isp;
  	u_int32_t	mc_ebx;
  	u_int32_t	mc_edx;
  	u_int32_t	mc_ecx;
  	u_int32_t	mc_eax;
  	u_int32_t	mc_trapno;
  	u_int32_t	mc_err;
  	u_int32_t	mc_eip;
  	u_int32_t	mc_cs;
  	u_int32_t	mc_eflags;
  	u_int32_t	mc_esp;	
  	u_int32_t	mc_ss;
  	u_int32_t	mc_fpregs[28];
  	u_int32_t	__spare__[17];
  };
  
  struct ia32_ucontext4 {
  	sigset_t		uc_sigmask;
  	struct ia32_mcontext4	uc_mcontext;
  	u_int32_t		uc_link;
  	struct sigaltstack32	uc_stack;
  	u_int32_t		__spare__[8];
  };
  #endif
  
  #ifdef COMPAT_43
  struct ia32_sigcontext3 {
  	u_int32_t	sc_onstack;
  	u_int32_t	sc_mask;
  	u_int32_t	sc_esp;	
  	u_int32_t	sc_ebp;
  	u_int32_t	sc_isp;
  	u_int32_t	sc_eip;
  	u_int32_t	sc_eflags;
  	u_int32_t	sc_es;
  	u_int32_t	sc_ds;
  	u_int32_t	sc_cs;
  	u_int32_t	sc_ss;
  	u_int32_t	sc_edi;
  	u_int32_t	sc_esi;
  	u_int32_t	sc_ebx;
  	u_int32_t	sc_edx;
  	u_int32_t	sc_ecx;
  	u_int32_t	sc_eax;
  	u_int32_t	sc_gs;
  	u_int32_t	sc_fs;
  	u_int32_t	sc_trapno;
  	u_int32_t	sc_err;
  };
  #endif
  
  /*
   * Signal frames, arguments passed to application signal handlers.
   */
  
  #ifdef COMPAT_FREEBSD4
  struct ia32_sigframe4 {
  	u_int32_t		sf_signum;
  	u_int32_t		sf_siginfo;	/* code or pointer to sf_si */
  	u_int32_t		sf_ucontext;	/* points to sf_uc */
  	u_int32_t		sf_addr;	/* undocumented 4th arg */
  	u_int32_t		sf_ah;		/* action/handler pointer */
  	struct ia32_ucontext4	sf_uc;		/* = *sf_ucontext */
  	struct siginfo32	sf_si;		/* = *sf_siginfo (SA_SIGINFO case) */
  };
  #endif
  
  struct ia32_sigframe {
  	u_int32_t		sf_signum;
  	u_int32_t		sf_siginfo;	/* code or pointer to sf_si */
  	u_int32_t		sf_ucontext;	/* points to sf_uc */
  	u_int32_t		sf_addr;	/* undocumented 4th arg */
  	u_int32_t		sf_ah;		/* action/handler pointer */
  	/* Beware, hole due to ucontext being 16 byte aligned! */
  	struct ia32_ucontext	sf_uc;		/* = *sf_ucontext */
  	struct siginfo32	sf_si;		/* = *sf_siginfo (SA_SIGINFO case) */
  };
  
  #ifdef COMPAT_43
  struct ia32_siginfo3 {
  	struct ia32_sigcontext3 si_sc;
  	int			si_signo;
  	int			si_code;
  	union sigval32		si_value;
  };
  struct ia32_sigframe3 {
  	int			sf_signum;
  	u_int32_t		sf_arg2;	/* int or siginfo_t */
  	u_int32_t		sf_scp;
  	u_int32_t		sf_addr;
  	u_int32_t		sf_ah;		/* action/handler pointer */
  	struct ia32_siginfo3	sf_siginfo;
  };
  #endif
  
  struct ksiginfo;
  struct image_params;
  extern char ia32_sigcode[];
  extern char freebsd4_ia32_sigcode[];
  extern char ia32_osigcode[];
  extern char lcall_tramp;
  extern int sz_ia32_sigcode;
  extern int sz_freebsd4_ia32_sigcode;
  extern int sz_ia32_osigcode;
  extern int sz_lcall_tramp;
  void ia32_sendsig(sig_t, struct ksiginfo *, sigset_t *);
  void ia32_setregs(struct thread *td, struct image_params *imgp,
      uintptr_t stack);
  int setup_lcall_gate(void);
  
  #endif
  