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This is the main files for the iBCS2 emulator. It can be use compiled into the kernel by using: options IBCS2 options COMPAT_IBCS2 or as a lkm module using: options COMPAT_IBCS2 and then loading it via the ibcs2 script in /usr/bin REMEMBER: this code is still experimental ! NO WARRENTY ! Submitted by: sef@kithrup.com, mostyn@mrl.com, sos@kmd-ac.dk
107 lines
4.0 KiB
C
107 lines
4.0 KiB
C
/*-
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* Copyright (c) 1994 Sean Eric Fagan
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* Copyright (c) 1994 Søren Schmidt
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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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* in this position and unchanged.
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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 withough 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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* $Id: coff.h,v 1.1 1994/10/12 19:37:16 sos Exp $
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*/
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#ifndef _COFF_H
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#define _COFF_H
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struct filehdr {
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unsigned short f_magic; /* magic number */
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unsigned short f_nscns; /* # of sections */
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long f_timdat; /* time stamp */
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long f_symptr; /* symbol table offset */
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long f_nsyms; /* # of symbols */
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unsigned short f_opthdr; /* size of system header */
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unsigned short f_flags; /* flags, see below */
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};
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enum filehdr_flags {
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F_RELFLG = 0x01, /* relocs have been stripped */
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F_EXEC = 0x02, /* executable file (or shlib) */
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F_LNNO = 0x04, /* line numbers have been stripped */
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F_LSYMS = 0x08, /* symbols have been stripped */
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F_SWABD = 0x40, /* swabbed byte names */
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F_AR16WR = 0x80, /* 16-bit, byte reversed words */
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F_AR32WR = 0x100 /* 32-bit, byte reversed words */
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};
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struct aouthdr {
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short magic; /* magic number -- see below */
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short vstamp; /* artifacts from a by-gone day */
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long tsize; /* */
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long dsize; /* */
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long bsize; /* */
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long entry; /* Entry point -- offset into file */
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long tstart; /* artifacts from a by-gone day */
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long dstart; /* */
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};
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#define I386_COFF 0x14c
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#define COFF_OMAGIC 0407 /* impure format */
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#define COFF_NMAGIC 0410 /* read-only text */
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#define COFF_ZMAGIC 0413 /* pagable from disk */
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#define COFF_SHLIB 0443 /* a shared library */
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struct scnhdr {
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char s_name[8]; /* name of section (e.g., ".text") */
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long s_paddr; /* physical addr, used for standalone */
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long s_vaddr; /* virtual address */
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long s_size; /* size of section */
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long s_scnptr; /* file offset of section */
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long s_relptr; /* points to relocs for section */
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long s_lnnoptr; /* points to line numbers for section */
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unsigned short s_nreloc; /* # of relocs */
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unsigned short s_nlnno; /* # of line no's */
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long s_flags; /* section flags -- see below */
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};
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enum scnhdr_flags {
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STYP_REG = 0x00, /* regular (alloc'ed, reloc'ed, loaded) */
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STYP_DSECT = 0x01, /* dummy (reloc'd) */
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STYP_NOLOAD = 0x02, /* no-load (reloc'd) */
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STYP_GROUP = 0x04, /* grouped */
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STYP_PAD = 0x08, /* padding (loaded) */
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STYP_COPY = 0x10, /* ??? */
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STYP_TEXT = 0x20, /* text */
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STYP_DATA = 0x40, /* data */
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STYP_BSS = 0x80, /* bss */
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STYP_INFO = 0x200, /* comment (!loaded, !alloc'ed, !reloc'd) */
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STYP_OVER = 0x400, /* overlay (!allocated, reloc'd, !loaded) */
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STYP_LIB = 0x800 /* lists shared library files */
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};
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struct slhdr {
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long entry_length;
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long path_index;
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char *shlib_name;
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};
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#endif /* _COFF_H */
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