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Diffstat (limited to 'gnu/usr.bin/ld/xbits.c')
| -rw-r--r-- | gnu/usr.bin/ld/xbits.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/gnu/usr.bin/ld/xbits.c b/gnu/usr.bin/ld/xbits.c new file mode 100644 index 000000000000..ef25234db9a5 --- /dev/null +++ b/gnu/usr.bin/ld/xbits.c @@ -0,0 +1,167 @@ +/* + * 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 + * + * 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 1.3 1994/02/13 20:41:50 jkh 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__dynamic(dp) +struct _dynamic *dp; +{ + 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); +} + +void +swap_section_dispatch_table(sdp) +struct section_dispatch_table *sdp; +{ + swap_longs((long *)sdp, sizeof(*sdp)/sizeof(long)); +} + +void +swap_so_debug(ddp) +struct so_debug *ddp; +{ + swap_longs((long *)ddp, sizeof(*ddp)/sizeof(long)); +} + +void +swapin_sod(sodp, n) +struct sod *sodp; +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); + } +} + +void +swapout_sod(sodp, n) +struct sod *sodp; +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; + } +} + +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); + } +} + |