149 lines
5.5 KiB
C
149 lines
5.5 KiB
C
/*-
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* Copyright (c) 1992 The Regents of the University of California.
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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 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: @(#)exec.h 7.2 (Berkeley) 9/13/92
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* $Id: exec.h,v 1.1.1.1 1993/10/12 03:22:41 deraadt Exp $
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*/
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/*
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* Portions of this file are subject to the following copyright notice:
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*
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* Copyright (C) 1989 Digital Equipment Corporation.
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose and without fee is hereby granted,
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* provided that the above copyright notice appears in all copies.
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* Digital Equipment Corporation makes no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*/
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/*
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* /sprite/src/kernel/proc/ds3100.md/RCS/procMach.h,v 9.3 90/02/20 15:35:50
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* shirriff Exp $ SPRITE (Berkeley)
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*/
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/* Size of a page in an object file. */
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#define __LDPGSZ 4096
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/* Valid magic number check. */
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#define N_BADMAG(ex) \
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((ex).a_magic != NMAGIC && (ex).a_magic != OMAGIC && \
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(ex).a_magic != ZMAGIC)
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/* Address of the bottom of the text segment. */
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#define N_TXTADDR(ex) 0x400000
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/* Address of the bottom of the data segment. */
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/* NOT DEFINED FOR THE MIPS. */
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/* Text segment offset. */
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#define __N_TXTOFF_ROUND(ex) \
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((ex).ex_aout.verStamp < 23 ? 7 : 15)
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#define N_TXTOFF(ex) \
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((ex).ex_aout.magic == ZMAGIC ? 0 : (sizeof(struct exec) + \
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(ex).ex_fhdr.numSections * sizeof(ProcSectionHeader) + \
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__N_TXTOFF_ROUND(ex)) & ~__N_TXTOFF_ROUND(ex))
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/* Data segment offset. */
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#define N_DATOFF(ex) \
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(N_TXTOFF(ex) + (ex).ex_aout.codeSize)
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/* Symbol table offset. */
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/* NOT DEFINED FOR THE MIPS. */
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/* String table offset. */
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/* NOT DEFINED FOR THE MIPS. */
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/*
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* XXX
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* The ProcFileHeader structure and the ProcAOUTHeader structure should be
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* folded together into a single struct exec.
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*/
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/* Description of the COFF section. */
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typedef struct {
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#define COFF_MAGIC 0x0162
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u_short magic; /* The magic number. */
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u_short numSections; /* The number of sections. */
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long timeDateStamp; /* Time and date stamp. */
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long symPtr; /* File pointer to symbolic header. */
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long numSyms; /* Size of symbolic header. */
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u_short optHeader; /* Size of optional header. */
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u_short flags; /* Flags. */
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} ProcFileHeader;
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/* Description of the a.out section. */
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typedef struct {
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#define OMAGIC 0407 /* old impure format */
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#define NMAGIC 0410 /* read-only text */
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#define ZMAGIC 0413 /* demand load format */
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short magic; /* Magic number. */
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short verStamp; /* Version stamp. */
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long codeSize; /* Code size in bytes. */
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long heapSize; /* Initialized data size in bytes. */
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long bssSize; /* Uninitialized data size in bytes. */
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long entry; /* Entry point. */
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long codeStart; /* Base of code used for this file. */
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long heapStart; /* Base of heap used for this file. */
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long bssStart; /* Base of bss used for this file. */
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long gprMask; /* General purpose register mask. */
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long cprMask[4]; /* Co-processor register masks. */
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long gpValue; /* The gp value for this object. */
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} ProcAOUTHeader;
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/* Section header. */
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typedef struct {
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char name[8]; /* Section name. */
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long physAddr; /* Section physical address. */
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long virtAddr; /* Section virtual address. */
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long size; /* Section size. */
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long sectionPtr; /* File pointer to section data. */
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long relocPtr; /* File pointer to relocation data. */
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long lnnoPtr; /* File pointer to gp tables. */
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u_short numReloc; /* Number of relocation entries. */
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u_short numLnno; /* Numberof gp tables. */
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long flags; /* Section flags. */
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} ProcSectionHeader;
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/* Description of the object file header. */
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struct exec {
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ProcFileHeader ex_fhdr;
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ProcAOUTHeader ex_aout;
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};
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#define a_magic ex_aout.magic
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#define a_text ex_aout.codeSize
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#define a_data ex_aout.heapSize
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#define a_bss ex_aout.bssSize
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#define a_entry ex_aout.entry
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