149 lines
3.7 KiB
C
149 lines
3.7 KiB
C
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/*-
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* Copyright (c) 2003 Peter Wemm.
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* William Jolitz.
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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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* 4. 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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* from: @(#)frame.h 5.2 (Berkeley) 1/18/91
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* $FreeBSD$
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*/
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#ifndef _MACHINE_FRAME_H_
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#define _MACHINE_FRAME_H_ 1
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/*
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* System stack frames.
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*/
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#ifdef __i386__
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/*
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* Exception/Trap Stack Frame
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*/
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struct trapframe {
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int tf_fs;
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int tf_es;
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int tf_ds;
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int tf_edi;
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int tf_esi;
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int tf_ebp;
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int tf_isp;
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int tf_ebx;
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int tf_edx;
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int tf_ecx;
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int tf_eax;
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int tf_trapno;
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/* below portion defined in 386 hardware */
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int tf_err;
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int tf_eip;
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int tf_cs;
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int tf_eflags;
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/* below only when crossing rings (e.g. user to kernel) */
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int tf_esp;
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int tf_ss;
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};
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/* Superset of trap frame, for traps from virtual-8086 mode */
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struct trapframe_vm86 {
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int tf_fs;
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int tf_es;
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int tf_ds;
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int tf_edi;
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int tf_esi;
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int tf_ebp;
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int tf_isp;
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int tf_ebx;
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int tf_edx;
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int tf_ecx;
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int tf_eax;
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int tf_trapno;
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/* below portion defined in 386 hardware */
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int tf_err;
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int tf_eip;
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int tf_cs;
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int tf_eflags;
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/* below only when crossing rings (e.g. user to kernel) */
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int tf_esp;
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int tf_ss;
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/* below only when switching out of VM86 mode */
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int tf_vm86_es;
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int tf_vm86_ds;
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int tf_vm86_fs;
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int tf_vm86_gs;
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};
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#endif /* __i386__ */
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#ifdef __amd64__
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/*
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* Exception/Trap Stack Frame
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*
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* The ordering of this is specifically so that we can take first 6
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* the syscall arguments directly from the beginning of the frame.
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*/
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struct trapframe {
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register_t tf_rdi;
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register_t tf_rsi;
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register_t tf_rdx;
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register_t tf_rcx;
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register_t tf_r8;
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register_t tf_r9;
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register_t tf_rax;
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register_t tf_rbx;
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register_t tf_rbp;
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register_t tf_r10;
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register_t tf_r11;
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register_t tf_r12;
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register_t tf_r13;
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register_t tf_r14;
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register_t tf_r15;
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uint32_t tf_trapno;
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uint16_t tf_fs;
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uint16_t tf_gs;
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register_t tf_addr;
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uint32_t tf_flags;
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uint16_t tf_es;
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uint16_t tf_ds;
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/* below portion defined in hardware */
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register_t tf_err;
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register_t tf_rip;
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register_t tf_cs;
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register_t tf_rflags;
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register_t tf_rsp;
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register_t tf_ss;
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};
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#define TF_HASSEGS 0x1
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#define TF_HASBASES 0x2
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#define TF_HASFPXSTATE 0x4
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#endif /* __amd64__ */
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#endif /* _MACHINE_FRAME_H_ */
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