1995-03-14 18:12:17 +03:00
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/* $NetBSD: ibcs2_exec.h,v 1.4 1995/03/14 15:12:24 scottb Exp $ */
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1994-10-26 05:45:11 +03:00
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1994-08-24 23:13:39 +04:00
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/*
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1995-03-14 18:12:17 +03:00
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* Copyright (c) 1994, 1995 Scott Bartram
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1994-08-24 23:13:39 +04:00
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* All rights reserved.
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*
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* adapted from sys/sys/exec_ecoff.h
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* based on Intel iBCS2
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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 OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _IBCS2_EXEC_H_
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#define _IBCS2_EXEC_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_magic flags */
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#define COFF_MAGIC_I386 0x14c
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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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/*
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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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/* magic */
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#define COFF_OMAGIC 0407 /* text not write-protected; data seg
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is contiguous with text */
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#define COFF_NMAGIC 0410 /* text is write-protected; data starts
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at next seg following text */
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#define COFF_ZMAGIC 0413 /* text and data segs are aligned for
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direct paging */
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#define COFF_SMAGIC 0443 /* shared lib */
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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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#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), COFF_SEGMENT_ALIGNMENT(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(ap, value) \
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(COFF_ROUND(value, (ap->a_magic == COFF_ZMAGIC ? COFF_LDPGSZ : \
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COFF_SEGMENT_ALIGNMENT(ap))))
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#define COFF_LDPGSZ 4096
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#define COFF_SEGMENT_ALIGNMENT(ap) 4
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#define COFF_BADMAG(ex) (ex->f_magic != COFF_MAGIC_I386)
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#define IBCS2_HIGH_SYSCALL(n) (((n) & 0x7f) == 0x28)
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#define IBCS2_CVT_HIGH_SYSCALL(n) (((n) >> 8) + 128)
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1995-03-14 18:12:17 +03:00
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struct exec_package;
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1994-08-24 23:13:39 +04:00
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int exec_ibcs2_coff_makecmds __P((struct proc *, struct exec_package *));
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1994-09-05 05:28:57 +04:00
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/*
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* x.out (XENIX)
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*/
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struct xexec {
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u_short x_magic; /* magic number */
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u_short x_ext; /* size of extended header */
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long x_text; /* ignored */
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long x_data; /* ignored */
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long x_bss; /* ignored */
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long x_syms; /* ignored */
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long x_reloc; /* ignored */
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long x_entry; /* executable entry point */
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char x_cpu; /* processor type */
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char x_relsym; /* ignored */
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u_short x_renv; /* flags */
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};
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/* x_magic flags */
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#define XOUT_MAGIC 0x0206
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/* x_cpu flags */
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#define XC_386 0x004a /* 386, word-swapped */
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/* x_renv flags */
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#define XE_V5 0xc000
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#define XE_SEG 0x0800
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#define XE_ABS 0x0400
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#define XE_ITER 0x0200
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#define XE_VMOD 0x0100
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#define XE_FPH 0x0080
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#define XE_LTEXT 0x0040
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#define XE_LDATA 0x0020
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#define XE_OVER 0x0010
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#define XE_FS 0x0008
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#define XE_PURE 0x0004
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#define XE_SEP 0x0002
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#define XE_EXEC 0x0001
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/*
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* x.out extended header
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*/
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struct xext {
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long xe_trsize; /* ignored */
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long xe_drsize; /* ignored */
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long xe_tbase; /* ignored */
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long xe_dbase; /* ignored */
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long xe_stksize; /* stack size if XE_FS set in x_renv */
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long xe_segpos; /* offset of segment table */
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long xe_segsize; /* segment table size */
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long xe_mdtpos; /* ignored */
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long xe_mdtsize; /* ignored */
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char xe_mdttype; /* ignored */
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char xe_pagesize; /* ignored */
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char xe_ostype; /* ignored */
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char xe_osvers; /* ignored */
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u_short xe_eseg; /* ignored */
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u_short xe_sres; /* ignored */
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};
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/*
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* x.out segment table
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*/
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struct xseg {
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u_short xs_type; /* segment type */
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u_short xs_attr; /* attribute flags */
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u_short xs_seg; /* segment selector number */
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char xs_align; /* ignored */
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char xs_cres; /* ignored */
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long xs_filpos; /* offset of this segment */
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long xs_psize; /* physical segment size */
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long xs_vsize; /* virtual segment size */
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long xs_rbase; /* relocation base address */
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u_short xs_noff; /* ignored */
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u_short xs_sres; /* ignored */
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long xs_lres; /* ignored */
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};
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/* xs_type flags */
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#define XS_TNULL 0 /* unused */
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#define XS_TTEXT 1 /* text (read-only) */
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#define XS_TDATA 2 /* data (read-write) */
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#define XS_TSYMS 3 /* symbol table (noload) */
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#define XS_TREL 4 /* relocation segment (noload) */
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#define XS_TSESTR 5 /* string table (noload) */
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#define XS_TGRPS 6 /* group segment (noload) */
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#define XS_TIDATA 64
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#define XS_TTSS 65
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#define XS_TLFIX 66
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#define XS_TDNAME 67
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#define XS_TDTEXT 68
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#define XS_TDFIX 69
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#define XS_TOVTAB 70
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#define XS_T71 71
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#define XS_TSYSTR 72
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/* xs_attr flags */
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#define XS_AMEM 0x8000 /* memory image */
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#define XS_AITER 0x0001 /* iteration records */
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#define XS_AHUGE 0x0002 /* unused */
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#define XS_ABSS 0x0004 /* uninitialized data */
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#define XS_APURE 0x0008 /* read-only (sharable) segment */
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#define XS_AEDOWN 0x0010 /* expand down memory segment */
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#define XS_APRIV 0x0020 /* unused */
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#define XS_A32BIT 0x0040 /* 32-bit text/data */
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/*
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* x.out iteration record
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*/
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struct xiter {
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long xi_size; /* text/data size */
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long xi_rep; /* number of replications */
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long xi_offset; /* offset within segment to replicated data */
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};
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#define XOUT_HDR_SIZE (sizeof(struct xexec) + sizeof(struct xext))
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int exec_ibcs2_xout_makecmds __P((struct proc *, struct exec_package *));
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1994-08-24 23:13:39 +04:00
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#endif /* !_IBCS2_EXEC_H_ */
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