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fbbd9655e5
Renumber cluase 4 to 3, per what everybody else did when BSD granted them permission to remove clause 3. My insistance on keeping the same numbering for legal reasons is too pedantic, so give up on that point. Submitted by: Jan Schaumann <jschauma@stevens.edu> Pull Request: https://github.com/freebsd/freebsd/pull/96
168 lines
4.2 KiB
C
168 lines
4.2 KiB
C
/*-
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* Copyright (c) 1986, 1989, 1991, 1993
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* The Regents of the University of California. All rights reserved.
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* Copyright (c) 2003 Peter Wemm.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)signal.h 8.1 (Berkeley) 6/11/93
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* $FreeBSD$
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*/
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#ifndef _X86_SIGNAL_H
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#define _X86_SIGNAL_H 1
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/*
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* Machine-dependent signal definitions
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*/
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#include <sys/cdefs.h>
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#include <sys/_sigset.h>
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#if __BSD_VISIBLE
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#include <machine/trap.h> /* codes for SIGILL, SIGFPE */
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#endif
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#ifdef __i386__
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typedef int sig_atomic_t;
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#if __BSD_VISIBLE
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struct sigcontext {
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struct __sigset sc_mask; /* signal mask to restore */
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int sc_onstack; /* sigstack state to restore */
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int sc_gs; /* machine state (struct trapframe) */
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int sc_fs;
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int sc_es;
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int sc_ds;
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int sc_edi;
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int sc_esi;
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int sc_ebp;
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int sc_isp;
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int sc_ebx;
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int sc_edx;
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int sc_ecx;
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int sc_eax;
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int sc_trapno;
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int sc_err;
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int sc_eip;
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int sc_cs;
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int sc_efl;
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int sc_esp;
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int sc_ss;
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int sc_len; /* sizeof(mcontext_t) */
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/*
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* See <machine/ucontext.h> and <machine/npx.h> for
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* the following fields.
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*/
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int sc_fpformat;
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int sc_ownedfp;
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int sc_flags;
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int sc_fpstate[128] __aligned(16);
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int sc_fsbase;
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int sc_gsbase;
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int sc_xfpustate;
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int sc_xfpustate_len;
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int sc_spare2[4];
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};
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#define sc_sp sc_esp
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#define sc_fp sc_ebp
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#define sc_pc sc_eip
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#define sc_ps sc_efl
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#define sc_eflags sc_efl
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#endif /* __BSD_VISIBLE */
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#endif /* __i386__ */
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#ifdef __amd64__
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typedef long sig_atomic_t;
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#if __BSD_VISIBLE
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/*
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* Information pushed on stack when a signal is delivered.
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* This is used by the kernel to restore state following
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* execution of the signal handler. It is also made available
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* to the handler to allow it to restore state properly if
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* a non-standard exit is performed.
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*
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* The sequence of the fields/registers after sc_mask in struct
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* sigcontext must match those in mcontext_t and struct trapframe.
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*/
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struct sigcontext {
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struct __sigset sc_mask; /* signal mask to restore */
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long sc_onstack; /* sigstack state to restore */
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long sc_rdi; /* machine state (struct trapframe) */
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long sc_rsi;
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long sc_rdx;
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long sc_rcx;
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long sc_r8;
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long sc_r9;
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long sc_rax;
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long sc_rbx;
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long sc_rbp;
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long sc_r10;
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long sc_r11;
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long sc_r12;
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long sc_r13;
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long sc_r14;
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long sc_r15;
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int sc_trapno;
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short sc_fs;
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short sc_gs;
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long sc_addr;
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int sc_flags;
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short sc_es;
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short sc_ds;
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long sc_err;
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long sc_rip;
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long sc_cs;
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long sc_rflags;
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long sc_rsp;
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long sc_ss;
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long sc_len; /* sizeof(mcontext_t) */
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/*
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* See <machine/ucontext.h> and <machine/fpu.h> for the following
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* fields.
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*/
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long sc_fpformat;
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long sc_ownedfp;
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long sc_fpstate[64] __aligned(16);
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long sc_fsbase;
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long sc_gsbase;
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long sc_xfpustate;
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long sc_xfpustate_len;
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long sc_spare[4];
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};
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#endif /* __BSD_VISIBLE */
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#endif /* __amd64__ */
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#endif
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