freebsd-dev/gnu/usr.bin/ld/xbits.c

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/*
* 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 without specific prior written permission
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*
* 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.
*
1999-08-27 23:37:10 +00:00
* $FreeBSD$
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*/
/*
* "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"
#include "dynamic.h"
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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__dynamic(dp)
struct _dynamic *dp;
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{
dp->d_version = md_swap_long(dp->d_version);
dp->d_debug = (struct so_debug *)md_swap_long((long)dp->d_debug);
dp->d_un.d_sdt = (struct section_dispatch_table *)
md_swap_long((long)dp->d_un.d_sdt);
dp->d_entry = (struct ld_entry *)md_swap_long((long)dp->d_entry);
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}
void
swap_section_dispatch_table(sdp)
struct section_dispatch_table *sdp;
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{
swap_longs((long *)sdp, sizeof(*sdp)/sizeof(long));
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}
void
swap_so_debug(ddp)
struct so_debug *ddp;
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{
swap_longs((long *)ddp, sizeof(*ddp)/sizeof(long));
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}
void
swapin_sod(sodp, n)
struct sod *sodp;
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int n;
{
unsigned long bits;
for (; n; n--, sodp++) {
sodp->sod_name = md_swap_long(sodp->sod_name);
sodp->sod_major = md_swap_short(sodp->sod_major);
sodp->sod_minor = md_swap_short(sodp->sod_minor);
sodp->sod_next = md_swap_long(sodp->sod_next);
bits = ((unsigned long *)sodp)[1];
sodp->sod_library = ((bits >> 24) & 1);
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}
}
void
swapout_sod(sodp, n)
struct sod *sodp;
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int n;
{
unsigned long bits;
for (; n; n--, sodp++) {
sodp->sod_name = md_swap_long(sodp->sod_name);
sodp->sod_major = md_swap_short(sodp->sod_major);
sodp->sod_minor = md_swap_short(sodp->sod_minor);
sodp->sod_next = md_swap_long(sodp->sod_next);
bits = (unsigned long)(sodp->sod_library) << 24;
((unsigned long *)sodp)[1] = bits;
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}
}
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);
}
}