mirror of
https://codeberg.org/ziglang/zig.git
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Alex Rønne Petersen
66d97267c7
This excludes all headers in /usr/include/dev because that directory is bonkers huge (18M). We can add these on an as-needed basis.
104 lines
3.2 KiB
C
Vendored
104 lines
3.2 KiB
C
Vendored
/* $OpenBSD: frame.h,v 1.5 2020/07/13 22:37:37 kettenis Exp $ */
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/*
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* Copyright (C) 1995, 1996 Wolfgang Solfrank.
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* Copyright (C) 1995, 1996 TooLs GmbH.
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* All rights reserved.
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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 TooLs GmbH.
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* 4. The name of TooLs GmbH may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _MACHDEP_FRAME_H
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#define _MACHDEP_FRAME_H
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/*
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* We have to save all registers on every trap, because
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* 1. user could attach this process every time
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* 2. we must be able to restore all user registers in case of fork
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* Actually, we do not save the fp registers on trap, since
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* these are not used by the kernel. They are saved only when switching
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* between processes using the FPU.
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*
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*/
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struct trapframe {
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__register_t fixreg[32];
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__register_t lr;
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__register_t cr;
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__register_t xer;
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__register_t ctr;
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__register_t srr0;
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__register_t srr1;
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__register_t vrsave;
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__register_t dar; /* dar & dsisr are only filled on a DSI trap */
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__register_t dsisr;
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__register_t exc;
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};
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/*
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* This is to ensure alignment of the stackpointer
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*/
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#define FRAMELEN roundup(sizeof(struct trapframe) + 32, 16)
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struct callframe {
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register_t cf_sp;
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register_t cf_cr;
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register_t cf_lr;
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register_t cf_toc;
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};
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struct sigframe {
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int sf_signum;
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siginfo_t *sf_sip;
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struct sigcontext sf_sc;
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siginfo_t sf_si;
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};
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struct switchframe {
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register_t sf_sp;
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register_t sf_cr;
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register_t sf_lr; /* unused */
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register_t sf_toc; /* unused */
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register_t sf_r14;
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register_t sf_r15;
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register_t sf_r16;
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register_t sf_r17;
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register_t sf_r18;
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register_t sf_r19;
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register_t sf_r20;
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register_t sf_r21;
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register_t sf_r22;
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register_t sf_r23;
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register_t sf_r24;
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register_t sf_r25;
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register_t sf_r26;
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register_t sf_r27;
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register_t sf_r28;
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register_t sf_r29;
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register_t sf_r30;
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register_t sf_r31;
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};
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#endif /* _MACHDEP_FRAME_H_ */ |