NetBSD/sys/arch/mips/include/aout_machdep.h

149 lines
5.5 KiB
C

/*-
* Copyright (c) 1992 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: @(#)exec.h 7.2 (Berkeley) 9/13/92
* $Id: aout_machdep.h,v 1.1.1.1 1993/10/12 03:22:41 deraadt Exp $
*/
/*
* Portions of this file are subject to the following copyright notice:
*
* Copyright (C) 1989 Digital Equipment Corporation.
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appears in all copies.
* Digital Equipment Corporation makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*/
/*
* /sprite/src/kernel/proc/ds3100.md/RCS/procMach.h,v 9.3 90/02/20 15:35:50
* shirriff Exp $ SPRITE (Berkeley)
*/
/* Size of a page in an object file. */
#define __LDPGSZ 4096
/* Valid magic number check. */
#define N_BADMAG(ex) \
((ex).a_magic != NMAGIC && (ex).a_magic != OMAGIC && \
(ex).a_magic != ZMAGIC)
/* Address of the bottom of the text segment. */
#define N_TXTADDR(ex) 0x400000
/* Address of the bottom of the data segment. */
/* NOT DEFINED FOR THE MIPS. */
/* Text segment offset. */
#define __N_TXTOFF_ROUND(ex) \
((ex).ex_aout.verStamp < 23 ? 7 : 15)
#define N_TXTOFF(ex) \
((ex).ex_aout.magic == ZMAGIC ? 0 : (sizeof(struct exec) + \
(ex).ex_fhdr.numSections * sizeof(ProcSectionHeader) + \
__N_TXTOFF_ROUND(ex)) & ~__N_TXTOFF_ROUND(ex))
/* Data segment offset. */
#define N_DATOFF(ex) \
(N_TXTOFF(ex) + (ex).ex_aout.codeSize)
/* Symbol table offset. */
/* NOT DEFINED FOR THE MIPS. */
/* String table offset. */
/* NOT DEFINED FOR THE MIPS. */
/*
* XXX
* The ProcFileHeader structure and the ProcAOUTHeader structure should be
* folded together into a single struct exec.
*/
/* Description of the COFF section. */
typedef struct {
#define COFF_MAGIC 0x0162
u_short magic; /* The magic number. */
u_short numSections; /* The number of sections. */
long timeDateStamp; /* Time and date stamp. */
long symPtr; /* File pointer to symbolic header. */
long numSyms; /* Size of symbolic header. */
u_short optHeader; /* Size of optional header. */
u_short flags; /* Flags. */
} ProcFileHeader;
/* Description of the a.out section. */
typedef struct {
#define OMAGIC 0407 /* old impure format */
#define NMAGIC 0410 /* read-only text */
#define ZMAGIC 0413 /* demand load format */
short magic; /* Magic number. */
short verStamp; /* Version stamp. */
long codeSize; /* Code size in bytes. */
long heapSize; /* Initialized data size in bytes. */
long bssSize; /* Uninitialized data size in bytes. */
long entry; /* Entry point. */
long codeStart; /* Base of code used for this file. */
long heapStart; /* Base of heap used for this file. */
long bssStart; /* Base of bss used for this file. */
long gprMask; /* General purpose register mask. */
long cprMask[4]; /* Co-processor register masks. */
long gpValue; /* The gp value for this object. */
} ProcAOUTHeader;
/* Section header. */
typedef struct {
char name[8]; /* Section name. */
long physAddr; /* Section physical address. */
long virtAddr; /* Section virtual address. */
long size; /* Section size. */
long sectionPtr; /* File pointer to section data. */
long relocPtr; /* File pointer to relocation data. */
long lnnoPtr; /* File pointer to gp tables. */
u_short numReloc; /* Number of relocation entries. */
u_short numLnno; /* Numberof gp tables. */
long flags; /* Section flags. */
} ProcSectionHeader;
/* Description of the object file header. */
struct exec {
ProcFileHeader ex_fhdr;
ProcAOUTHeader ex_aout;
};
#define a_magic ex_aout.magic
#define a_text ex_aout.codeSize
#define a_data ex_aout.heapSize
#define a_bss ex_aout.bssSize
#define a_entry ex_aout.entry