a5782dd663
is an application space macro and the applications are supposed to be free to use it as they please (but cannot). This is consistant with the other BSD's who made this change quite some time ago. More commits to come.
144 lines
4.6 KiB
C
144 lines
4.6 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: @(#)reg.h 5.5 (Berkeley) 1/18/91
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* $FreeBSD$
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*/
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#ifndef _MACHINE_REG_H_
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#define _MACHINE_REG_H_
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/*
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* Indices for registers in `struct trapframe' and `struct regs'.
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*
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* This interface is deprecated. In the kernel, it is only used in FPU
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* emulators to convert from register numbers encoded in instructions to
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* register values. Everything else just accesses the relevant struct
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* members. In userland, debuggers tend to abuse this interface since
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* they don't understand that `struct regs' is a struct. I hope they have
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* stopped accessing the registers in the trap frame via PT_{READ,WRITE}_U
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* and we can stop supporting the user area soon.
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*/
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#define tFS (0)
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#define tES (1)
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#define tDS (2)
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#define tEDI (3)
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#define tESI (4)
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#define tEBP (5)
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#define tISP (6)
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#define tEBX (7)
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#define tEDX (8)
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#define tECX (9)
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#define tEAX (10)
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#define tERR (12)
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#define tEIP (13)
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#define tCS (14)
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#define tEFLAGS (15)
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#define tESP (16)
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#define tSS (17)
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/*
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* Indices for registers in `struct regs' only.
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*
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* Some registers live in the pcb and are only in an "array" with the
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* other registers in application interfaces that copy all the registers
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* to or from a `struct regs'.
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*/
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#define tGS (18)
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/*
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* Register set accessible via /proc/$pid/regs and PT_{SET,GET}REGS.
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*/
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struct reg {
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unsigned int r_fs;
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unsigned int r_es;
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unsigned int r_ds;
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unsigned int r_edi;
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unsigned int r_esi;
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unsigned int r_ebp;
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unsigned int r_isp;
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unsigned int r_ebx;
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unsigned int r_edx;
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unsigned int r_ecx;
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unsigned int r_eax;
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unsigned int r_trapno;
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unsigned int r_err;
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unsigned int r_eip;
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unsigned int r_cs;
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unsigned int r_eflags;
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unsigned int r_esp;
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unsigned int r_ss;
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unsigned int r_gs;
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};
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/*
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* Register set accessible via /proc/$pid/fpregs.
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*/
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struct fpreg {
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/*
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* XXX should get struct from npx.h. Here we give a slightly
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* simplified struct. This may be too much detail. Perhaps
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* an array of unsigned longs is best.
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*/
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unsigned long fpr_env[7];
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unsigned char fpr_acc[8][10];
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unsigned long fpr_ex_sw;
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unsigned char fpr_pad[64];
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};
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struct dbreg {
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unsigned int dr0; /* debug address register 0 */
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unsigned int dr1; /* debug address register 1 */
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unsigned int dr2; /* debug address register 2 */
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unsigned int dr3; /* debug address register 3 */
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unsigned int dr4; /* reserved */
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unsigned int dr5; /* reserved */
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unsigned int dr6; /* debug status register */
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unsigned int dr7; /* debug control register */
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};
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#ifdef _KERNEL
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/*
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* XXX these interfaces are MI, so they should be declared in a MI place.
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*/
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int set_fpregs __P((struct proc *, struct fpreg *));
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int set_regs __P((struct proc *p, struct reg *regs));
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void setregs __P((struct proc *, u_long, u_long, u_long));
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int set_dbregs __P((struct proc *p, struct dbreg *dbregs));
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#endif
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#endif /* !_MACHINE_REG_H_ */
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