NetBSD/tools/mips-elf2ecoff/sys/exec_ecoff.h

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/* $NetBSD: exec_ecoff.h,v 1.1 2002/03/23 17:13:46 bouyer 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 <machine/ecoff_machdep.h>
struct ecoff_filehdr {
ECOFF_USHORT f_magic; /* magic number */
ECOFF_USHORT f_nscns; /* # of sections */
ECOFF_UINT f_timdat; /* time and date stamp */
ECOFF_ULONG f_symptr; /* file offset of symbol table */
ECOFF_UINT f_nsyms; /* # of symbol table entries */
ECOFF_USHORT f_opthdr; /* sizeof the optional header */
ECOFF_USHORT f_flags; /* flags??? */
};
struct ecoff_aouthdr {
ECOFF_USHORT magic;
ECOFF_USHORT vstamp;
ECOFF_PAD
ECOFF_ULONG tsize;
ECOFF_ULONG dsize;
ECOFF_ULONG bsize;
ECOFF_ULONG entry;
ECOFF_ULONG text_start;
ECOFF_ULONG data_start;
ECOFF_ULONG bss_start;
ECOFF_MACHDEP;
};
struct ecoff_scnhdr { /* needed for size info */
char s_name[8]; /* name */
ECOFF_ULONG s_paddr; /* physical addr? for ROMing?*/
ECOFF_ULONG s_vaddr; /* virtual addr? */
ECOFF_ULONG s_size; /* size */
ECOFF_ULONG s_scnptr; /* file offset of raw data */
ECOFF_ULONG s_relptr; /* file offset of reloc data */
ECOFF_ULONG s_lnnoptr; /* file offset of line data */
ECOFF_USHORT s_nreloc; /* # of relocation entries */
ECOFF_USHORT s_nlnno; /* # of line entries */
ECOFF_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))))
#ifdef _KERNEL
int exec_ecoff_makecmds __P((struct proc *, struct exec_package *));
int exec_ecoff_setup_stack __P((struct proc *, struct exec_package *));
int cpu_exec_ecoff_probe __P((struct proc *, struct exec_package *));
void cpu_exec_ecoff_setregs __P((struct proc *, struct exec_package *,
u_long));
int exec_ecoff_prep_omagic __P((struct proc *, struct exec_package *,
struct ecoff_exechdr *, struct vnode *));
int exec_ecoff_prep_nmagic __P((struct proc *, struct exec_package *,
struct ecoff_exechdr *, struct vnode *));
int exec_ecoff_prep_zmagic __P((struct proc *, struct exec_package *,
struct ecoff_exechdr *, struct vnode *));
#endif /* _KERNEL */
#endif /* !_SYS_EXEC_ECOFF_H_ */