0fcb9b7701
The purpose of that modification is to make the license on these files "GPL-compatible," so that mdsetimage may be combined with BFD. (The resulting license is word-for-word identicial to one of the licenses described as being GPL compatible on http://www.gnu.org/licenses/license-list.html.)
108 lines
3.2 KiB
C
108 lines
3.2 KiB
C
/* $NetBSD: exec_coff.c,v 1.5 2001/10/01 23:32:34 cgd Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1996 Christopher G. Demetriou
|
|
* 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. 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: LICENSE_GC,v 1.1 2001/10/01 23:24:05 cgd Exp>>
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifndef lint
|
|
__RCSID("$NetBSD: exec_coff.c,v 1.5 2001/10/01 23:32:34 cgd Exp $");
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/time.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/types.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include "extern.h"
|
|
|
|
#if defined(NLIST_COFF)
|
|
#include <sys/exec_coff.h>
|
|
|
|
#define check(off, size) ((off < 0) || (off + size > mappedsize))
|
|
#define BAD do { rv = -1; goto out; } while (0)
|
|
|
|
int
|
|
check_coff(mappedfile, mappedsize)
|
|
const char *mappedfile;
|
|
size_t mappedsize;
|
|
{
|
|
struct coff_exechdr *exechdrp;
|
|
int rv;
|
|
|
|
rv = 0;
|
|
|
|
if (check(0, sizeof *exechdrp))
|
|
BAD;
|
|
exechdrp = (struct coff_exechdr *)&mappedfile[0];
|
|
|
|
if (COFF_BADMAG(&(exechdrp->f)))
|
|
BAD;
|
|
|
|
out:
|
|
return (rv);
|
|
}
|
|
|
|
int
|
|
findoff_coff(mappedfile, mappedsize, vmaddr, fileoffp)
|
|
const char *mappedfile;
|
|
size_t mappedsize, *fileoffp;
|
|
u_long vmaddr;
|
|
{
|
|
struct coff_exechdr *exechdrp;
|
|
int rv;
|
|
|
|
rv = 0;
|
|
exechdrp = (struct coff_exechdr *)&mappedfile[0];
|
|
|
|
#define COFF_TXTOFF_XXX(fp, ap) \
|
|
(COFF_ROUND(COFF_HDR_SIZE + (fp)->f_nscns * \
|
|
sizeof(struct coff_scnhdr), \
|
|
COFF_SEGMENT_ALIGNMENT(fp, ap)))
|
|
|
|
#define COFF_DATOFF_XXX(fp, ap) \
|
|
(COFF_TXTOFF_XXX(fp, ap) + (ap)->a_tsize)
|
|
|
|
if (exechdrp->a.a_tstart <= vmaddr &&
|
|
vmaddr < (exechdrp->a.a_tstart + exechdrp->a.a_tsize))
|
|
*fileoffp = vmaddr - exechdrp->a.a_tstart +
|
|
COFF_TXTOFF(&exechdrp->f, &(exechdrp->a));
|
|
else if (exechdrp->a.a_dstart <= vmaddr &&
|
|
vmaddr < (exechdrp->a.a_dstart + exechdrp->a.a_dsize))
|
|
*fileoffp = vmaddr - exechdrp->a.a_dstart +
|
|
COFF_DATOFF_XXX(&exechdrp->f, &(exechdrp->a));
|
|
else
|
|
BAD;
|
|
|
|
out:
|
|
return (rv);
|
|
}
|
|
|
|
#endif /* NLIST_COFF */
|