81 lines
1.8 KiB
C
81 lines
1.8 KiB
C
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#ifndef lint
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static char rcsid[] = "$Header$";
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#endif
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#include "out.h"
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#include "const.h"
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#include "memory.h"
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extern struct outhead outhead;
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extern bool incore;
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extern int flagword;
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/*
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* We have counted all relocation structs but we know only now if
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* these must be emitted.We add all names here,unless the -s(trip)
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* flag was given.
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* If this flag is given we don't need the string table either.
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*/
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beginoutput()
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{
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extern ushort NLocals, NGlobals;
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extern long NLChars, NGChars;
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if (incore)
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generate_section_names();
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if (!(flagword & RFLAG))
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outhead.oh_nrelo = (ushort)0;
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if (flagword & SFLAG) {
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outhead.oh_nname = (ushort)0;
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outhead.oh_nchar = (long)0;
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} else {
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outhead.oh_nname = NLocals + NGlobals + outhead.oh_nsect;
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outhead.oh_nchar = NLChars + NGChars;
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}
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trap_signals();
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if (!incore)
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begin_write();
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}
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/*
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* Generate names for all sections and put them after the global names.
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* Section names are used for relocation.
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*/
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static
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generate_section_names()
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{
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register struct outname *name;
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register int sectindex;
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register long size;
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extern struct outsect outsect[];
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extern char *core_alloc();
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size = (long)outhead.oh_nsect * sizeof(struct outname);
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name = (struct outname *)core_alloc(ALLOGLOB, size);
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if (name == (struct outname *)0)
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return;
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for (sectindex = 0; sectindex < outhead.oh_nsect; sectindex++, name++) {
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name->on_foff = (long)0; /* No string name. */
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name->on_type = (S_MIN + sectindex) | S_SCT;
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name->on_desc = (ushort)0;
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name->on_valu = outsect[sectindex].os_base;
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}
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}
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/*
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* If we didn't keep the whole output file in core, most of it has been
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* written out, and we just finish that.
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* If we did, we write out our pieces of core.
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*/
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endoutput()
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{
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if (!incore) {
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if (!(flagword & SFLAG))
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end_write();
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} else {
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write_bytes();
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}
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}
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