158 lines
4.5 KiB
C
158 lines
4.5 KiB
C
/* $NetBSD: exec_coff.h,v 1.2 2000/06/04 16:24:02 mycroft Exp $ */
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/*-
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* Copyright (C) 2000 SAITOH Masanobu. 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. The name of the author 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 THE AUTHOR ``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 THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SYS_EXEC_COFF_H_
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#define _SYS_EXEC_COFF_H_
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#include <machine/coff_machdep.h>
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/*
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* COFF file header
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*/
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struct coff_filehdr {
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u_short f_magic; /* magic number */
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u_short f_nscns; /* # of sections */
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long f_timdat; /* timestamp */
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long f_symptr; /* file offset of symbol table */
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long f_nsyms; /* # of symbol table entries */
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u_short f_opthdr; /* size of optional header */
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u_short f_flags; /* flags */
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};
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/* f_flags */
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#define COFF_F_RELFLG 0x1
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#define COFF_F_EXEC 0x2
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#define COFF_F_LNNO 0x4
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#define COFF_F_LSYMS 0x8
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#define COFF_F_SWABD 0x40
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#define COFF_F_AR16WR 0x80
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#define COFF_F_AR32WR 0x100
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#define COFF_F_AR32W 0x200
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/*
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* COFF system header
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*/
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struct coff_aouthdr {
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short a_magic;
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short a_vstamp;
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long a_tsize;
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long a_dsize;
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long a_bsize;
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long a_entry;
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long a_tstart;
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long a_dstart;
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};
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/*
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* COFF section header
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*/
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struct coff_scnhdr {
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char s_name[8];
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long s_paddr;
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long s_vaddr;
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long s_size;
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long s_scnptr;
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long s_relptr;
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long s_lnnoptr;
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u_short s_nreloc;
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u_short s_nlnno;
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long s_flags;
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};
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/* s_flags */
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#define COFF_STYP_REG 0x00
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#define COFF_STYP_DSECT 0x01
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#define COFF_STYP_NOLOAD 0x02
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#define COFF_STYP_GROUP 0x04
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#define COFF_STYP_PAD 0x08
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#define COFF_STYP_COPY 0x10
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#define COFF_STYP_TEXT 0x20
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#define COFF_STYP_DATA 0x40
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#define COFF_STYP_BSS 0x80
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#define COFF_STYP_INFO 0x200
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#define COFF_STYP_OVER 0x400
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#define COFF_STYP_SHLIB 0x800
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/*
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* COFF shared library header
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*/
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struct coff_slhdr {
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long entry_len; /* in words */
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long path_index; /* in words */
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char sl_name[1];
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};
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struct coff_exechdr {
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struct coff_filehdr f;
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struct coff_aouthdr a;
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};
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#define COFF_ROUND(val, by) (((val) + by - 1) & ~(by - 1))
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#define COFF_ALIGN(a) ((a) & ~(COFF_LDPGSZ - 1))
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#define COFF_HDR_SIZE \
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(sizeof(struct coff_filehdr) + sizeof(struct coff_aouthdr))
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#define COFF_BLOCK_ALIGN(ap, value) \
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((ap)->a_magic == COFF_ZMAGIC ? COFF_ROUND(value, COFF_LDPGSZ) : \
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value)
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#define COFF_TXTOFF(fp, ap) \
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((ap)->a_magic == COFF_ZMAGIC ? 0 : \
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COFF_ROUND(COFF_HDR_SIZE + (fp)->f_nscns * \
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sizeof(struct coff_scnhdr), \
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COFF_SEGMENT_ALIGNMENT(fp, ap)))
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#define COFF_DATOFF(fp, ap) \
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(COFF_BLOCK_ALIGN(ap, COFF_TXTOFF(fp, ap) + (ap)->a_tsize))
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#define COFF_SEGMENT_ALIGN(fp, ap, value) \
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(COFF_ROUND(value, ((ap)->a_magic == COFF_ZMAGIC ? COFF_LDPGSZ : \
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COFF_SEGMENT_ALIGNMENT(fp, ap))))
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#ifdef _KERNEL
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int exec_coff_makecmds __P((struct proc *, struct exec_package *));
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int exec_coff_setup_stack __P((struct proc *, struct exec_package *));
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int exec_coff_prep_omagic __P((struct proc *, struct exec_package *,
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struct coff_filehdr *,
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struct coff_aouthdr *));
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int exec_coff_prep_nmagic __P((struct proc *, struct exec_package *,
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struct coff_filehdr *,
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struct coff_aouthdr *));
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int exec_coff_prep_zmagic __P((struct proc *, struct exec_package *,
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struct coff_filehdr *,
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struct coff_aouthdr *));
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#endif /* _KERNEL */
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#endif /* !_SYS_EXEC_COFF_H_ */
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