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/*-
* 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.
*
* $FreeBSD$
*/
struct ia32_sigaltstack {
u_int32_t ss_sp; /* signal stack base */
u_int32_t ss_size; /* signal stack length */
int ss_flags; /* SS_DISABLE and/or SS_ONSTACK */
};
struct ia32_mcontext {
int mc_onstack; /* XXX - sigcontext compat. */
int mc_gs; /* machine state (struct trapframe) */
int mc_fs;
int mc_es;
int mc_ds;
int mc_edi;
int mc_esi;
int mc_ebp;
int mc_isp;
int mc_ebx;
int mc_edx;
int mc_ecx;
int mc_eax;
int mc_trapno;
int mc_err;
int mc_eip;
int mc_cs;
int mc_eflags;
int mc_esp;
int mc_ss;
int mc_len; /* sizeof(struct ia32_mcontext) */
/* We use the same values for fpformat and ownedfp */
int mc_fpformat;
int mc_ownedfp;
int mc_spare1[1]; /* align next field to 16 bytes */
/*
* See <i386/include/npx.h> for the internals of mc_fpstate[].
*/
int mc_fpstate[128] __aligned(16);
int mc_spare2[8];
};
struct ia32_ucontext {
sigset_t uc_sigmask;
struct ia32_mcontext uc_mcontext;
u_int32_t uc_link;
struct ia32_sigaltstack uc_stack;
int uc_flags;
int __spare__[4];
};
#if defined(COMPAT_FREEBSD4)
struct ia32_mcontext4 {
int mc_onstack; /* XXX - sigcontext compat. */
int mc_gs; /* machine state (struct trapframe) */
int mc_fs;
int mc_es;
int mc_ds;
int mc_edi;
int mc_esi;
int mc_ebp;
int mc_isp;
int mc_ebx;
int mc_edx;
int mc_ecx;
int mc_eax;
int mc_trapno;
int mc_err;
int mc_eip;
int mc_cs;
int mc_eflags;
int mc_esp;
int mc_ss;
int mc_fpregs[28];
int __spare__[17];
};
struct ia32_ucontext4 {
sigset_t uc_sigmask;
struct ia32_mcontext4 uc_mcontext;
u_int32_t uc_link;
struct ia32_sigaltstack uc_stack;
int __spare__[8];
};
#endif
#ifdef COMPAT_FREEBSD3
struct ia32_sigcontext3 {
int sc_onstack;
u_int32_t sc_mask;
int sc_esp;
int sc_ebp;
int sc_isp;
int sc_eip;
int sc_eflags;
int sc_es;
int sc_ds;
int sc_cs;
int sc_ss;
int sc_edi;
int sc_esi;
int sc_ebx;
int sc_edx;
int sc_ecx;
int sc_eax;
int sc_gs;
int sc_fs;
int sc_trapno;
int sc_err;
};
#endif
/*
* Signal frames, arguments passed to application signal handlers.
*/
union ia32_sigval {
int sigval_int;
u_int32_t sigval_ptr;
};
struct ia32_siginfo {
int si_signo; /* signal number */
int si_errno; /* errno association */
int si_code; /* signal code */
int32_t si_pid; /* sending process */
u_int32_t si_uid; /* sender's ruid */
int si_status; /* exit value */
u_int32_t si_addr; /* faulting instruction */
union ia32_sigval si_value; /* signal value */
int32_t si_band; /* band event for SIGPOLL */
int __spare__[7]; /* gimme some slack */
};
#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 ia32_siginfo 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 ia32_siginfo sf_si; /* = *sf_siginfo (SA_SIGINFO case) */
};
#ifdef COMPAT_FREEBSD3
struct ia32_siginfo3 {
struct ia32_sigcontext3 si_sc;
int si_signo;
int si_code;
union ia32_sigval 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
extern char ia32_sigcode[];
extern char freebsd4_ia32_sigcode[];
extern int sz_ia32_sigcode;
extern int sz_freebsd4_ia32_sigcode;
extern void ia32_sendsig(sig_t, int, sigset_t *, u_long);
extern void ia32_setregs(struct thread *td, u_long entry, u_long stack,
u_long ps_strings);
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