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d0a184df5d
with the -R option and store the path in the dynamic header when specified. The $LD_RUN_PATH environment variable is not checked yet. While here, split up the code a bit more to enable more selective replacing of GPL'ed components that are linked with ld.so with others. Obtained from: NetBSD (mostly, the breakup is my fault)
169 lines
4.2 KiB
C
169 lines
4.2 KiB
C
/*
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* Copyright (c) 1993 Paul Kranenburg
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Paul Kranenburg.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: xbits.c,v 1.3 1994/02/13 20:41:50 jkh Exp $
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*/
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/*
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* "Generic" byte-swap routines.
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*/
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#include <sys/param.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/file.h>
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#include <fcntl.h>
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#include <ar.h>
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#include <ranlib.h>
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#include <a.out.h>
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#include <stab.h>
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#include <string.h>
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#include "ld.h"
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#include "dynamic.h"
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void
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swap_longs(lp, n)
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int n;
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long *lp;
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{
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for (; n > 0; n--, lp++)
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*lp = md_swap_long(*lp);
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}
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void
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swap_symbols(s, n)
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struct nlist *s;
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int n;
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{
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for (; n; n--, s++) {
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s->n_un.n_strx = md_swap_long(s->n_un.n_strx);
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s->n_desc = md_swap_short(s->n_desc);
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s->n_value = md_swap_long(s->n_value);
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}
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}
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void
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swap_zsymbols(s, n)
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struct nzlist *s;
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int n;
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{
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for (; n; n--, s++) {
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s->nz_strx = md_swap_long(s->nz_strx);
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s->nz_desc = md_swap_short(s->nz_desc);
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s->nz_value = md_swap_long(s->nz_value);
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s->nz_size = md_swap_long(s->nz_size);
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}
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}
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void
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swap_ranlib_hdr(rlp, n)
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struct ranlib *rlp;
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int n;
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{
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for (; n; n--, rlp++) {
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rlp->ran_un.ran_strx = md_swap_long(rlp->ran_un.ran_strx);
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rlp->ran_off = md_swap_long(rlp->ran_off);
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}
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}
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void
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swap__dynamic(dp)
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struct _dynamic *dp;
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{
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dp->d_version = md_swap_long(dp->d_version);
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dp->d_debug = (struct so_debug *)md_swap_long((long)dp->d_debug);
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dp->d_un.d_sdt = (struct section_dispatch_table *)
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md_swap_long((long)dp->d_un.d_sdt);
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dp->d_entry = (struct ld_entry *)md_swap_long((long)dp->d_entry);
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}
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void
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swap_section_dispatch_table(sdp)
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struct section_dispatch_table *sdp;
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{
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swap_longs((long *)sdp, sizeof(*sdp)/sizeof(long));
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}
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void
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swap_so_debug(ddp)
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struct so_debug *ddp;
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{
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swap_longs((long *)ddp, sizeof(*ddp)/sizeof(long));
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}
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void
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swapin_sod(sodp, n)
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struct sod *sodp;
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int n;
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{
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unsigned long bits;
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for (; n; n--, sodp++) {
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sodp->sod_name = md_swap_long(sodp->sod_name);
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sodp->sod_major = md_swap_short(sodp->sod_major);
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sodp->sod_minor = md_swap_short(sodp->sod_minor);
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sodp->sod_next = md_swap_long(sodp->sod_next);
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bits = ((unsigned long *)sodp)[1];
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sodp->sod_library = ((bits >> 24) & 1);
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}
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}
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void
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swapout_sod(sodp, n)
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struct sod *sodp;
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int n;
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{
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unsigned long bits;
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for (; n; n--, sodp++) {
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sodp->sod_name = md_swap_long(sodp->sod_name);
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sodp->sod_major = md_swap_short(sodp->sod_major);
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sodp->sod_minor = md_swap_short(sodp->sod_minor);
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sodp->sod_next = md_swap_long(sodp->sod_next);
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bits = (unsigned long)(sodp->sod_library) << 24;
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((unsigned long *)sodp)[1] = bits;
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}
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}
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void
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swap_rrs_hash(fsp, n)
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struct rrs_hash *fsp;
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int n;
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{
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for (; n; n--, fsp++) {
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fsp->rh_symbolnum = md_swap_long(fsp->rh_symbolnum);
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fsp->rh_next = md_swap_long(fsp->rh_next);
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}
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}
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