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Diffstat (limited to 'sys/x86/include/signal.h')
| -rw-r--r-- | sys/x86/include/signal.h | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/sys/x86/include/signal.h b/sys/x86/include/signal.h new file mode 100644 index 0000000..dee908f --- /dev/null +++ b/sys/x86/include/signal.h @@ -0,0 +1,167 @@ +/*- + * Copyright (c) 1986, 1989, 1991, 1993 + * The Regents of the University of California. All rights reserved. + * Copyright (c) 2003 Peter Wemm. + * + * 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. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + * + * @(#)signal.h 8.1 (Berkeley) 6/11/93 + * $FreeBSD$ + */ + +#ifndef _X86_SIGNAL_H +#define _X86_SIGNAL_H 1 + +/* + * Machine-dependent signal definitions + */ + +#include <sys/cdefs.h> +#include <sys/_sigset.h> + +#if __BSD_VISIBLE +#include <machine/trap.h> /* codes for SIGILL, SIGFPE */ +#endif + +#ifdef __i386__ +typedef int sig_atomic_t; + +#if __BSD_VISIBLE +struct sigcontext { + struct __sigset sc_mask; /* signal mask to restore */ + int sc_onstack; /* sigstack state to restore */ + int sc_gs; /* machine state (struct trapframe) */ + int sc_fs; + int sc_es; + int sc_ds; + int sc_edi; + int sc_esi; + int sc_ebp; + int sc_isp; + 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_efl; + int sc_esp; + int sc_ss; + int sc_len; /* sizeof(mcontext_t) */ + /* + * See <machine/ucontext.h> and <machine/npx.h> for + * the following fields. + */ + int sc_fpformat; + int sc_ownedfp; + int sc_flags; + int sc_fpstate[128] __aligned(16); + + int sc_fsbase; + int sc_gsbase; + + int sc_xfpustate; + int sc_xfpustate_len; + + int sc_spare2[4]; +}; + +#define sc_sp sc_esp +#define sc_fp sc_ebp +#define sc_pc sc_eip +#define sc_ps sc_efl +#define sc_eflags sc_efl + +#endif /* __BSD_VISIBLE */ +#endif /* __i386__ */ + +#ifdef __amd64__ +typedef long sig_atomic_t; + +#if __BSD_VISIBLE +/* + * Information pushed on stack when a signal is delivered. + * This is used by the kernel to restore state following + * execution of the signal handler. It is also made available + * to the handler to allow it to restore state properly if + * a non-standard exit is performed. + * + * The sequence of the fields/registers after sc_mask in struct + * sigcontext must match those in mcontext_t and struct trapframe. + */ +struct sigcontext { + struct __sigset sc_mask; /* signal mask to restore */ + long sc_onstack; /* sigstack state to restore */ + long sc_rdi; /* machine state (struct trapframe) */ + long sc_rsi; + long sc_rdx; + long sc_rcx; + long sc_r8; + long sc_r9; + long sc_rax; + long sc_rbx; + long sc_rbp; + long sc_r10; + long sc_r11; + long sc_r12; + long sc_r13; + long sc_r14; + long sc_r15; + int sc_trapno; + short sc_fs; + short sc_gs; + long sc_addr; + int sc_flags; + short sc_es; + short sc_ds; + long sc_err; + long sc_rip; + long sc_cs; + long sc_rflags; + long sc_rsp; + long sc_ss; + long sc_len; /* sizeof(mcontext_t) */ + /* + * See <machine/ucontext.h> and <machine/fpu.h> for the following + * fields. + */ + long sc_fpformat; + long sc_ownedfp; + long sc_fpstate[64] __aligned(16); + + long sc_fsbase; + long sc_gsbase; + + long sc_xfpustate; + long sc_xfpustate_len; + + long sc_spare[4]; +}; +#endif /* __BSD_VISIBLE */ +#endif /* __amd64__ */ + +#endif |
