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Diffstat (limited to 'base/loader/exec_ecoff.h')
| -rw-r--r-- | base/loader/exec_ecoff.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/base/loader/exec_ecoff.h b/base/loader/exec_ecoff.h new file mode 100644 index 000000000..8c559ab90 --- /dev/null +++ b/base/loader/exec_ecoff.h @@ -0,0 +1,111 @@ +/* $Id$ */ + +/* + * Taken from NetBSD sys/exec_ecoff.h + */ + +/* $NetBSD: exec_ecoff.h,v 1.13 2003/01/18 09:53:18 thorpej Exp $ */ + +/* + * Copyright (c) 1994 Adam Glass + * 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 Adam Glass. + * 4. 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. + */ + +#ifndef _SYS_EXEC_ECOFF_H_ +#define _SYS_EXEC_ECOFF_H_ + +#include "ecoff_machdep.h" + +struct ecoff_filehdr { + coff_ushort f_magic; /* magic number */ + coff_ushort f_nscns; /* # of sections */ + coff_uint f_timdat; /* time and date stamp */ + coff_ulong f_symptr; /* file offset of symbol table */ + coff_uint f_nsyms; /* # of symbol table entries */ + coff_ushort f_opthdr; /* sizeof the optional header */ + coff_ushort f_flags; /* flags??? */ +}; + +struct ecoff_aouthdr { + coff_ushort magic; + coff_ushort vstamp; + ECOFF_PAD + coff_ulong tsize; + coff_ulong dsize; + coff_ulong bsize; + coff_ulong entry; + coff_ulong text_start; + coff_ulong data_start; + coff_ulong bss_start; + ECOFF_MACHDEP; +}; + +struct ecoff_scnhdr { /* needed for size info */ + char s_name[8]; /* name */ + coff_ulong s_paddr; /* physical addr? for ROMing?*/ + coff_ulong s_vaddr; /* virtual addr? */ + coff_ulong s_size; /* size */ + coff_ulong s_scnptr; /* file offset of raw data */ + coff_ulong s_relptr; /* file offset of reloc data */ + coff_ulong s_lnnoptr; /* file offset of line data */ + coff_ushort s_nreloc; /* # of relocation entries */ + coff_ushort s_nlnno; /* # of line entries */ + coff_uint s_flags; /* flags */ +}; + +struct ecoff_exechdr { + struct ecoff_filehdr f; + struct ecoff_aouthdr a; +}; + +#define ECOFF_HDR_SIZE (sizeof(struct ecoff_exechdr)) + +#define ECOFF_OMAGIC 0407 +#define ECOFF_NMAGIC 0410 +#define ECOFF_ZMAGIC 0413 + +#define ECOFF_ROUND(value, by) \ + (((value) + (by) - 1) & ~((by) - 1)) + +#define ECOFF_BLOCK_ALIGN(ep, value) \ + ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_ROUND((value), ECOFF_LDPGSZ) : \ + (value)) + +#define ECOFF_TXTOFF(ep) \ + ((ep)->a.magic == ECOFF_ZMAGIC ? 0 : \ + ECOFF_ROUND(ECOFF_HDR_SIZE + (ep)->f.f_nscns * \ + sizeof(struct ecoff_scnhdr), ECOFF_SEGMENT_ALIGNMENT(ep))) + +#define ECOFF_DATOFF(ep) \ + (ECOFF_BLOCK_ALIGN((ep), ECOFF_TXTOFF(ep) + (ep)->a.tsize)) + +#define ECOFF_SEGMENT_ALIGN(ep, value) \ + (ECOFF_ROUND((value), ((ep)->a.magic == ECOFF_ZMAGIC ? ECOFF_LDPGSZ : \ + ECOFF_SEGMENT_ALIGNMENT(ep)))) + +#endif /* !_SYS_EXEC_ECOFF_H_ */ |