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/*-
* 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.
*/
#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 {
uint32_t mc_onstack; /* XXX - sigcontext compat. */
uint32_t mc_gs; /* machine state (struct trapframe) */
uint32_t mc_fs;
uint32_t mc_es;
uint32_t mc_ds;
uint32_t mc_edi;
uint32_t mc_esi;
uint32_t mc_ebp;
uint32_t mc_isp;
uint32_t mc_ebx;
uint32_t mc_edx;
uint32_t mc_ecx;
uint32_t mc_eax;
uint32_t mc_trapno;
uint32_t mc_err;
uint32_t mc_eip;
uint32_t mc_cs;
uint32_t mc_eflags;
uint32_t mc_esp;
uint32_t mc_ss;
uint32_t mc_len; /* sizeof(struct ia32_mcontext) */
/* We use the same values for fpformat and ownedfp */
uint32_t mc_fpformat;
uint32_t mc_ownedfp;
uint32_t mc_flags;
/*
* See <i386/include/npx.h> for the internals of mc_fpstate[].
*/
uint32_t mc_fpstate[128] __aligned(16);
uint32_t mc_fsbase;
uint32_t mc_gsbase;
uint32_t mc_xfpustate;
uint32_t mc_xfpustate_len;
uint32_t mc_spare2[4];
};
struct ia32_ucontext {
sigset_t uc_sigmask;
struct ia32_mcontext uc_mcontext;
uint32_t uc_link;
struct sigaltstack32 uc_stack;
uint32_t uc_flags;
uint32_t __spare__[4];
};
struct ia32_freebsd4_mcontext {
uint32_t mc_onstack; /* XXX - sigcontext compat. */
uint32_t mc_gs; /* machine state (struct trapframe) */
uint32_t mc_fs;
uint32_t mc_es;
uint32_t mc_ds;
uint32_t mc_edi;
uint32_t mc_esi;
uint32_t mc_ebp;
uint32_t mc_isp;
uint32_t mc_ebx;
uint32_t mc_edx;
uint32_t mc_ecx;
uint32_t mc_eax;
uint32_t mc_trapno;
uint32_t mc_err;
uint32_t mc_eip;
uint32_t mc_cs;
uint32_t mc_eflags;
uint32_t mc_esp;
uint32_t mc_ss;
uint32_t mc_fpregs[28];
uint32_t __spare__[17];
};
struct ia32_freebsd4_ucontext {
sigset_t uc_sigmask;
struct ia32_freebsd4_mcontext uc_mcontext;
uint32_t uc_link;
struct sigaltstack32 uc_stack;
uint32_t __spare__[8];
};
struct ia32_osigcontext {
uint32_t sc_onstack;
uint32_t sc_mask;
uint32_t sc_esp;
uint32_t sc_ebp;
uint32_t sc_isp;
uint32_t sc_eip;
uint32_t sc_eflags;
uint32_t sc_es;
uint32_t sc_ds;
uint32_t sc_cs;
uint32_t sc_ss;
uint32_t sc_edi;
uint32_t sc_esi;
uint32_t sc_ebx;
uint32_t sc_edx;
uint32_t sc_ecx;
uint32_t sc_eax;
uint32_t sc_gs;
uint32_t sc_fs;
uint32_t sc_trapno;
uint32_t sc_err;
};
/*
* Signal frames, arguments passed to application signal handlers.
*/
struct ia32_freebsd4_sigframe {
uint32_t sf_signum;
uint32_t sf_siginfo; /* code or pointer to sf_si */
uint32_t sf_ucontext; /* points to sf_uc */
uint32_t sf_addr; /* undocumented 4th arg */
uint32_t sf_ah; /* action/handler pointer */
struct ia32_freebsd4_ucontext sf_uc; /* = *sf_ucontext */
struct __siginfo32 sf_si; /* = *sf_siginfo (SA_SIGINFO case) */
};
struct ia32_sigframe {
uint32_t sf_signum;
uint32_t sf_siginfo; /* code or pointer to sf_si */
uint32_t sf_ucontext; /* points to sf_uc */
uint32_t sf_addr; /* undocumented 4th arg */
uint32_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) */
};
struct ia32_osiginfo {
struct ia32_osigcontext si_sc;
int si_signo;
int si_code;
union sigval32 si_value;
};
struct ia32_osigframe {
int sf_signum;
uint32_t sf_arg2; /* int or siginfo_t */
uint32_t sf_scp;
uint32_t sf_addr;
uint32_t sf_ah; /* action/handler pointer */
struct ia32_osiginfo sf_siginfo;
};
struct ksiginfo;
struct image_params;
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
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