113 lines
2.4 KiB
C
113 lines
2.4 KiB
C
/*
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* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
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* See the copyright notice in the ACK home directory, in the file "Copyright".
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*/
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#ifndef lint
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static char rcsid[] = "$Id$";
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#endif
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/*
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* If everything is kept in core, we must save some things for the second pass.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "arch.h"
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#include "out.h"
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#include "const.h"
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#include "assert.h"
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#include "memory.h"
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extern bool incore;
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extern char *core_alloc();
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void
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savemagic()
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{
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register char *p;
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if (!incore)
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return;
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if ((p = core_alloc(ALLOMODL, (long)sizeof(int))) != (char *)0) {
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*(unsigned short *)p = AALMAG;
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core_position += sizeof(int);
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}
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}
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void
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savehdr(hdr)
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struct ar_hdr *hdr;
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{
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register char *p;
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if (!incore)
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return;
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if ((p=core_alloc(ALLOMODL,(long)sizeof(struct ar_hdr)))!=(char *)0) {
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*(struct ar_hdr *)p = *hdr;
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core_position += int_align(sizeof(struct ar_hdr));
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}
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}
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long NLChars = 0; /* Size of string area for local names. */
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long NGChars = 0; /* Idem for global names. */
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/*
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* Put the string in cp into the block allocated for the string area.
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* Return its offset in this area. We don't use the first char of the string
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* area, so that empty strings can be distinguished from the first string.
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*/
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ind_t
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savechar(piece, off)
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register int piece;
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register ind_t off;
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{
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register long len;
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register ind_t newoff;
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extern ind_t alloc();
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extern ind_t hard_alloc();
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if (off == (ind_t)0)
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return 0;
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len = strlen(modulptr(off)) + 1;
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if (piece == ALLOLCHR) {
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NLChars += len;
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if (!incore || (newoff = alloc(piece, len)) == BADOFF)
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return BADOFF;
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} else {
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assert(piece == ALLOGCHR);
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NGChars += len;
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if ((newoff = hard_alloc(piece, len)) == BADOFF)
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return BADOFF;
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}
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strcpy(address(piece, newoff), modulptr(off));
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return newoff;
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}
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/*
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* Put the local in `name' in the piece allocated for local names that must
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* be saved. `Name' points to a private copy, so will not become invalid after
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* allocation, but the string of which name->on_foff is the offset may be
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* destroyed, so we save that first.
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*/
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void
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savelocal(name)
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struct outname *name;
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{
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ind_t savindex;
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struct outname *new;
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if ((savindex = savechar(ALLOLCHR, (ind_t)name->on_foff)) == BADOFF)
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return;
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new = (struct outname *)
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core_alloc(ALLOLOCL, (long)sizeof(struct outname));
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if (new != (struct outname *)0) {
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*new = *name;
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new->on_foff = savindex;
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}
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}
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