freebsd-dev/sys/i386/ibcs2/coff.h
1997-02-22 09:48:43 +00:00

107 lines
4.0 KiB
C

/*-
* Copyright (c) 1994 Sean Eric Fagan
* Copyright (c) 1994 Søren Schmidt
* 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
* in this position and unchanged.
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* $Id$
*/
#ifndef _COFF_H
#define _COFF_H
struct filehdr {
unsigned short f_magic; /* magic number */
unsigned short f_nscns; /* # of sections */
long f_timdat; /* time stamp */
long f_symptr; /* symbol table offset */
long f_nsyms; /* # of symbols */
unsigned short f_opthdr; /* size of system header */
unsigned short f_flags; /* flags, see below */
};
enum filehdr_flags {
F_RELFLG = 0x01, /* relocs have been stripped */
F_EXEC = 0x02, /* executable file (or shlib) */
F_LNNO = 0x04, /* line numbers have been stripped */
F_LSYMS = 0x08, /* symbols have been stripped */
F_SWABD = 0x40, /* swabbed byte names */
F_AR16WR = 0x80, /* 16-bit, byte reversed words */
F_AR32WR = 0x100 /* 32-bit, byte reversed words */
};
struct aouthdr {
short magic; /* magic number -- see below */
short vstamp; /* artifacts from a by-gone day */
long tsize; /* */
long dsize; /* */
long bsize; /* */
long entry; /* Entry point -- offset into file */
long tstart; /* artifacts from a by-gone day */
long dstart; /* */
};
#define I386_COFF 0x14c
#define COFF_OMAGIC 0407 /* impure format */
#define COFF_NMAGIC 0410 /* read-only text */
#define COFF_ZMAGIC 0413 /* pagable from disk */
#define COFF_SHLIB 0443 /* a shared library */
struct scnhdr {
char s_name[8]; /* name of section (e.g., ".text") */
long s_paddr; /* physical addr, used for standalone */
long s_vaddr; /* virtual address */
long s_size; /* size of section */
long s_scnptr; /* file offset of section */
long s_relptr; /* points to relocs for section */
long s_lnnoptr; /* points to line numbers for section */
unsigned short s_nreloc; /* # of relocs */
unsigned short s_nlnno; /* # of line no's */
long s_flags; /* section flags -- see below */
};
enum scnhdr_flags {
STYP_REG = 0x00, /* regular (alloc'ed, reloc'ed, loaded) */
STYP_DSECT = 0x01, /* dummy (reloc'd) */
STYP_NOLOAD = 0x02, /* no-load (reloc'd) */
STYP_GROUP = 0x04, /* grouped */
STYP_PAD = 0x08, /* padding (loaded) */
STYP_COPY = 0x10, /* ??? */
STYP_TEXT = 0x20, /* text */
STYP_DATA = 0x40, /* data */
STYP_BSS = 0x80, /* bss */
STYP_INFO = 0x200, /* comment (!loaded, !alloc'ed, !reloc'd) */
STYP_OVER = 0x400, /* overlay (!allocated, reloc'd, !loaded) */
STYP_LIB = 0x800 /* lists shared library files */
};
struct slhdr {
long entry_length;
long path_index;
char *shlib_name;
};
#endif /* _COFF_H */