freebsd-dev/gnu/usr.bin/ld/xbits.c
1993-11-03 23:41:59 +00:00

167 lines
4.2 KiB
C

/*
* Copyright (c) 1993 Paul Kranenburg
* 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 Paul Kranenburg.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software withough 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: xbits.c,v 1.1 1993/10/16 21:52:37 pk Exp $
*/
/*
* "Generic" byte-swap routines.
*/
#include <sys/param.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/file.h>
#include <fcntl.h>
#include <ar.h>
#include <ranlib.h>
#include <a.out.h>
#include <stab.h>
#include <string.h>
#include "ld.h"
void
swap_longs(lp, n)
int n;
long *lp;
{
for (; n > 0; n--, lp++)
*lp = md_swap_long(*lp);
}
void
swap_symbols(s, n)
struct nlist *s;
int n;
{
for (; n; n--, s++) {
s->n_un.n_strx = md_swap_long(s->n_un.n_strx);
s->n_desc = md_swap_short(s->n_desc);
s->n_value = md_swap_long(s->n_value);
}
}
void
swap_zsymbols(s, n)
struct nzlist *s;
int n;
{
for (; n; n--, s++) {
s->nz_strx = md_swap_long(s->nz_strx);
s->nz_desc = md_swap_short(s->nz_desc);
s->nz_value = md_swap_long(s->nz_value);
s->nz_size = md_swap_long(s->nz_size);
}
}
void
swap_ranlib_hdr(rlp, n)
struct ranlib *rlp;
int n;
{
for (; n; n--, rlp++) {
rlp->ran_un.ran_strx = md_swap_long(rlp->ran_un.ran_strx);
rlp->ran_off = md_swap_long(rlp->ran_off);
}
}
void
swap_link_dynamic(dp)
struct link_dynamic *dp;
{
dp->ld_version = md_swap_long(dp->ld_version);
dp->ldd = (struct ld_debug *)md_swap_long((long)dp->ldd);
dp->ld_un.ld_2 = (struct link_dynamic_2 *)md_swap_long((long)dp->ld_un.ld_2);
dp->ld_entry = (struct ld_entry *)md_swap_long((long)dp->ld_entry);
}
void
swap_link_dynamic_2(ldp)
struct link_dynamic_2 *ldp;
{
swap_longs((long *)ldp, sizeof(*ldp)/sizeof(long));
}
void
swap_ld_debug(lddp)
struct ld_debug *lddp;
{
swap_longs((long *)lddp, sizeof(*lddp)/sizeof(long));
}
void
swapin_link_object(lop, n)
struct link_object *lop;
int n;
{
unsigned long bits;
for (; n; n--, lop++) {
lop->lo_name = md_swap_long(lop->lo_name);
lop->lo_major = md_swap_short(lop->lo_major);
lop->lo_minor = md_swap_short(lop->lo_minor);
lop->lo_next = md_swap_long(lop->lo_next);
bits = ((unsigned long *)lop)[1];
lop->lo_library = ((bits >> 24) & 1);
}
}
void
swapout_link_object(lop, n)
struct link_object *lop;
int n;
{
unsigned long bits;
for (; n; n--, lop++) {
lop->lo_name = md_swap_long(lop->lo_name);
lop->lo_major = md_swap_short(lop->lo_major);
lop->lo_minor = md_swap_short(lop->lo_minor);
lop->lo_next = md_swap_long(lop->lo_next);
bits = (unsigned long)(lop->lo_library) << 24;
((unsigned long *)lop)[1] = bits;
}
}
void
swap_rrs_hash(fsp, n)
struct rrs_hash *fsp;
int n;
{
for (; n; n--, fsp++) {
fsp->rh_symbolnum = md_swap_long(fsp->rh_symbolnum);
fsp->rh_next = md_swap_long(fsp->rh_next);
}
}