0fe93e7480
we do not have to run so long with interrupts disabled. This involved creating tf_addr in the trapframe. Reorganize the trap stubs so that they consistently reserve the stack space and initialize any missing bits. Approved by: re (amd64 stuff)
142 lines
4.1 KiB
C
142 lines
4.1 KiB
C
/*-
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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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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/*
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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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register_t tf_trapno;
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register_t tf_addr;
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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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/* Interrupt stack frame */
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struct intrframe {
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register_t if_rdi;
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register_t if_rsi;
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register_t if_rdx;
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register_t if_rcx;
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register_t if_r8;
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register_t if_r9;
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register_t if_rax;
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register_t if_rbx;
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register_t if_rbp;
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register_t if_r10;
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register_t if_r11;
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register_t if_r12;
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register_t if_r13;
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register_t if_r14;
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register_t if_r15;
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register_t :64; /* compat with trap frame - trapno */
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register_t :64; /* compat with trap frame - addr */
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register_t :64; /* compat with trap frame - err */
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/* below portion defined in hardware */
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register_t if_rip;
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register_t if_cs;
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register_t if_rflags;
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register_t if_rsp;
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register_t if_ss;
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};
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/* frame of clock (same as interrupt frame) */
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struct clockframe {
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register_t cf_rdi;
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register_t cf_rsi;
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register_t cf_rdx;
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register_t cf_rcx;
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register_t cf_r8;
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register_t cf_r9;
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register_t cf_rax;
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register_t cf_rbx;
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register_t cf_rbp;
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register_t cf_r10;
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register_t cf_r11;
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register_t cf_r12;
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register_t cf_r13;
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register_t cf_r14;
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register_t cf_r15;
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register_t :64; /* compat with trap frame - trapno */
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register_t :64; /* compat with trap frame - addr */
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register_t :64; /* compat with trap frame - err */
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/* below portion defined in hardware */
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register_t cf_rip;
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register_t cf_cs;
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register_t cf_rflags;
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register_t cf_rsp;
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register_t cf_ss;
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};
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int kdb_trap(int, int, struct trapframe *);
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#endif /* _MACHINE_FRAME_H_ */
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