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1311e997d4
This excludes all headers in /usr/include/dev because that directory is bonkers huge (18M). We can add these on an as-needed basis.
105 lines
No EOL
4.1 KiB
C
Vendored
105 lines
No EOL
4.1 KiB
C
Vendored
/* $OpenBSD: frame.h,v 1.11 2024/04/08 20:07:53 miod Exp $ */
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/* $NetBSD: frame.h,v 1.9 2001/03/04 09:28:35 mrg Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* 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, Lawrence Berkeley Laboratory.
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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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* @(#)frame.h 8.1 (Berkeley) 6/11/93
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*/
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#ifndef _MACHINE_FRAME_H_
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#define _MACHINE_FRAME_H_
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/*
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* CC64FSZ (C Compiler 64-bit Frame SiZe) is the size of a stack frame used
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* by the compiler in 64-bit mode. It is (16)*8; space for 8 ins, 8 outs.
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*/
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#define CC64FSZ 176
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/*
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* v9 stacks all have a bias of 2047 added to the %sp and %fp, so you can easily
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* detect it by testing the register for an odd value. Why 2K-1 I don't know.
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*/
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#define BIAS (2048-1)
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#if defined(_KERNEL) && !defined(_LOCORE)
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/*
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* Sparc v9 stack frame format.
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*
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* Note that the contents of each stack frame may be held only in
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* machine register windows. In order to get an accurate picture
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* of the frame, you must first force the kernel to write any such
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* windows to the stack.
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*
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* V9 frames have an odd bias, so you can tell a v9 frame from
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* a v8 frame by testing the stack pointer's lsb.
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*/
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struct frame {
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int64_t fr_local[8]; /* space to save locals (%l0..%l7) */
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int64_t fr_arg[6]; /* space to save arguments (%i0..%i5) */
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u_int64_t fr_fp; /* space to save frame pointer (%i6) */
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u_int64_t fr_pc; /* space to save return pc (%i7) */
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/*
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* SVR4 reserves a bunch of extra stuff.
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*/
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int64_t fr_argd[6]; /* `register save area' (lunacy) */
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int64_t fr_argx[0]; /* arg extension (args 7..n; variable size) */
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};
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#define v9next_frame(f) ((struct frame*)(f->fr_fp+BIAS))
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/*
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* The v9 trapframe.
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*/
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struct trapframe {
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int64_t tf_tstate; /* tstate register */
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int64_t tf_pc; /* return pc */
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int64_t tf_npc; /* return npc */
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int tf_y; /* %y register -- 32-bits */
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short tf_tt; /* What type of trap this was */
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char tf_pil; /* What IRQ we're handling */
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char tf_oldpil; /* What our old SPL was */
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int64_t tf_global[8]; /* global registers in trap's caller */
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int64_t tf_out[8]; /* output registers in trap's caller */
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int64_t tf_local[8]; /* local registers in trap's caller */
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int64_t tf_in[8]; /* in registers in trap's caller (for debug) */
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};
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#endif /* _KERNEL && !_LOCORE */
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#endif /* _MACHINE_FRAME_H_ */ |