1221 lines
26 KiB
C
1221 lines
26 KiB
C
#include "l.h"
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#define LPUT(c)\
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{\
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cbp[0] = (c);\
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cbp[1] = (c)>>8;\
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cbp[2] = (c)>>16;\
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cbp[3] = (c)>>24;\
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cbp += 4;\
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cbc -= 4;\
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if(cbc <= 0)\
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cflush();\
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}
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#define CPUT(c)\
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{\
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cbp[0] = (c);\
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cbp++;\
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cbc--;\
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if(cbc <= 0)\
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cflush();\
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}
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#define VLPUT(c)\
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{\
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cbp[0] = (c);\
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cbp[1] = (c)>>8;\
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cbp[2] = (c)>>16;\
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cbp[3] = (c)>>24;\
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cbp[4] = (c)>>32;\
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cbp[5] = (c)>>40;\
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cbp[6] = (c)>>48;\
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cbp[7] = (c)>>56;\
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cbp += 8;\
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cbc -= 8;\
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if(cbc <= 0)\
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cflush();\
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}
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#define LPUTBE(c)\
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{\
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cbp[0] = (c)>>24;\
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cbp[1] = (c)>>16;\
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cbp[2] = (c)>>8;\
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cbp[3] = (c);\
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cbp += 4;\
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cbc -= 4;\
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if(cbc <= 0)\
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cflush();\
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}
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long
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entryvalue(void)
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{
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char *a;
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Sym *s;
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a = INITENTRY;
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if(*a >= '0' && *a <= '9')
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return atolwhex(a);
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s = lookup(a, 0);
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if(s->type == 0)
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return INITTEXT;
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if(s->type != STEXT && s->type != SLEAF)
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diag("entry not text: %s", s->name);
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return s->value;
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}
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void
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asmb(void)
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{
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Prog *p;
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vlong t;
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Optab *o;
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if(debug['v'])
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Bprint(&bso, "%5.2f asm\n", cputime());
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Bflush(&bso);
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seek(cout, HEADR, 0);
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pc = INITTEXT;
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for(p = firstp; p != P; p = p->link) {
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if(p->as == ATEXT) {
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curtext = p;
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autosize = p->to.offset + 8;
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}
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if(p->pc != pc) {
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diag("phase error %lux sb %lux",
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p->pc, pc);
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if(!debug['a'])
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prasm(curp);
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pc = p->pc;
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}
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if (p->as == AMOVQ || p->as == AMOVT) {
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if ((p->from.reg == REGSP) && (p->from.offset&7) != 0
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|| (p->to.reg == REGSP) && (p->to.offset&7) != 0)
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diag("bad stack alignment: %P", p);
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if ((p->from.reg == REGSB) && (p->from.offset&7) != 0
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|| (p->to.reg == REGSB) && (p->to.offset&7) != 0)
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diag("bad global alignment: %P", p);
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}
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curp = p;
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o = oplook(p); /* could probably avoid this call */
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if(asmout(p, o)) {
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p = p->link;
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pc += 4;
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}
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pc += o->size;
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}
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if(debug['a'])
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Bprint(&bso, "\n");
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Bflush(&bso);
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cflush();
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curtext = P;
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switch(HEADTYPE) {
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case 0:
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seek(cout, rnd(HEADR+textsize, 8192), 0);
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break;
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case 1:
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case 2:
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case 3:
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seek(cout, HEADR+textsize, 0);
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break;
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}
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for(t = 0; t < datsize; t += sizeof(buf)-100) {
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if(datsize-t > sizeof(buf)-100)
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datblk(t, sizeof(buf)-100);
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else
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datblk(t, datsize-t);
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}
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symsize = 0;
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lcsize = 0;
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if(!debug['s']) {
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if(debug['v'])
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Bprint(&bso, "%5.2f sym\n", cputime());
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Bflush(&bso);
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switch(HEADTYPE) {
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case 0:
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seek(cout, rnd(HEADR+textsize, 8192)+datsize, 0);
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break;
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case 2:
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case 1:
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case 3:
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seek(cout, HEADR+textsize+datsize, 0);
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break;
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}
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if(!debug['s'])
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asmsym();
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if(debug['v'])
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Bprint(&bso, "%5.2f pc\n", cputime());
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Bflush(&bso);
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if(!debug['s'])
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asmlc();
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cflush();
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}
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if(debug['v'])
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Bprint(&bso, "%5.2f header\n", cputime());
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Bflush(&bso);
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seek(cout, 0L, 0);
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switch(HEADTYPE) {
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case 0:
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lput(0x0183L); /* magic and sections */
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lput(0L); /* time and date */
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vlput(rnd(HEADR+textsize, 8192)+datsize);
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lput(symsize); /* nsyms */
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lput(0x50L|(7L<<16)); /* size of optional hdr and flags */
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lput(0413|(0x101L<<16)); /* magic and version */
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lput(-1); /* pad for alignment */
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vlput(rnd(HEADR+textsize, 8192)); /* sizes */
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vlput(datsize);
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vlput(bsssize);
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vlput(entryvalue()); /* va of entry */
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vlput(INITTEXT-HEADR); /* va of base of text */
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vlput(INITDAT); /* va of base of data */
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vlput(INITDAT+datsize); /* va of base of bss */
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lput(~0L); /* gp reg mask */
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/* dubious stuff starts here */
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lput(0L);
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lput(0L);
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lput(0L);
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lput(0L);
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lput(~0L); /* gp value ?? */
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break;
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case 1:
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lput(0x0183L); /* magic and sections */
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lput(0L); /* time and date */
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vlput(HEADR+textsize+datsize);
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lput(symsize); /* nsyms */
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lput(0x54L|(7L<<16)); /* size of optional hdr and flags */
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lput(0407|(0x101L<<16)); /* magic and version */
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lput(-1); /* pad for alignment */
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vlput(textsize); /* sizes */
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vlput(datsize);
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vlput(bsssize);
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vlput(entryvalue()); /* va of entry */
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vlput(INITTEXT); /* va of base of text */
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vlput(INITDAT); /* va of base of data */
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vlput(INITDAT+datsize); /* va of base of bss */
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lput(~0L); /* gp reg mask */
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/* dubious stuff starts here */
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lput(lcsize);
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lput(0L);
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lput(0L);
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lput(0L);
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lput(~0L); /* gp value ?? */
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lput(0L); /* complete mystery */
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break;
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case 2:
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lputbe(0x84b); /* magic */
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lputbe(textsize); /* sizes */
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lputbe(datsize);
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lputbe(bsssize);
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lputbe(symsize); /* nsyms */
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lputbe(entryvalue()); /* va of entry */
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lputbe(0L);
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lputbe(lcsize);
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break;
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case 3:
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/* ``headerless'' boot image -- magic no is a branch */
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lput(0xc3e00007); /* magic (branch) */
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lputbe(textsize); /* sizes */
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lputbe(datsize);
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lputbe(bsssize);
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lputbe(symsize); /* nsyms */
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lputbe(entryvalue()); /* va of entry */
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lputbe(0L);
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lputbe(lcsize);
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break;
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}
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cflush();
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}
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void
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lput(long l)
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{
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LPUT(l);
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}
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void
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lputbe(long l)
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{
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LPUTBE(l);
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}
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void
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vlput(vlong l)
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{
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VLPUT(l);
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}
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void
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cflush(void)
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{
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int n;
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n = sizeof(buf.cbuf) - cbc;
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if(n)
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write(cout, buf.cbuf, n);
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cbp = buf.cbuf;
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cbc = sizeof(buf.cbuf);
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}
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void
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asmsym(void)
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{
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Prog *p;
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Auto *a;
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Sym *s;
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int h;
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s = lookup("etext", 0);
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if(s->type == STEXT)
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putsymb(s->name, 'T', s->value, s->version);
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for(h=0; h<NHASH; h++)
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for(s=hash[h]; s!=S; s=s->link)
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switch(s->type) {
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case SCONST:
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putsymb(s->name, 'D', s->value, s->version);
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continue;
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case SDATA:
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putsymb(s->name, 'D', s->value+INITDAT, s->version);
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continue;
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case SBSS:
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putsymb(s->name, 'B', s->value+INITDAT, s->version);
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continue;
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case SFILE:
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putsymb(s->name, 'f', s->value, s->version);
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continue;
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}
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for(p=textp; p!=P; p=p->cond) {
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s = p->from.sym;
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if(s->type != STEXT && s->type != SLEAF)
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continue;
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/* filenames first */
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for(a=p->to.autom; a; a=a->link)
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if(a->type == D_FILE)
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putsymb(a->sym->name, 'z', a->offset, 0);
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else
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if(a->type == D_FILE1)
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putsymb(a->sym->name, 'Z', a->offset, 0);
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if(s->type == STEXT)
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putsymb(s->name, 'T', s->value, s->version);
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else
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putsymb(s->name, 'L', s->value, s->version);
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/* frame, auto and param after */
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putsymb(".frame", 'm', p->to.offset+8, 0);
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for(a=p->to.autom; a; a=a->link)
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if(a->type == D_AUTO)
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putsymb(a->sym->name, 'a', -a->offset, 0);
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else
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if(a->type == D_PARAM)
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putsymb(a->sym->name, 'p', a->offset, 0);
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}
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if(debug['v'] || debug['n'])
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Bprint(&bso, "symsize = %lud\n", symsize);
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Bflush(&bso);
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}
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void
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putsymb(char *s, int t, long v, int ver)
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{
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int i, f;
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if(t == 'f')
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s++;
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LPUTBE(v);
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if(ver)
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t += 'a' - 'A';
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CPUT(t+0x80); /* 0x80 is variable length */
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if(t == 'Z' || t == 'z') {
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CPUT(s[0]);
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for(i=1; s[i] != 0 || s[i+1] != 0; i += 2) {
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CPUT(s[i]);
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CPUT(s[i+1]);
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}
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CPUT(0);
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CPUT(0);
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i++;
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}
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else {
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for(i=0; s[i]; i++)
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CPUT(s[i]);
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CPUT(0);
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}
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symsize += 4 + 1 + i + 1;
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if(debug['n']) {
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if(t == 'z' || t == 'Z') {
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Bprint(&bso, "%c %.8lux ", t, v);
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for(i=1; s[i] != 0 || s[i+1] != 0; i+=2) {
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f = ((s[i]&0xff) << 8) | (s[i+1]&0xff);
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Bprint(&bso, "/%x", f);
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}
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Bprint(&bso, "\n");
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return;
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}
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if(ver)
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Bprint(&bso, "%c %.8lux %s<%d>\n", t, v, s, ver);
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else
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Bprint(&bso, "%c %.8lux %s\n", t, v, s);
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}
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}
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#define MINLC 4
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void
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asmlc(void)
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{
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long oldpc, oldlc;
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Prog *p;
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long v, s;
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oldpc = INITTEXT;
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oldlc = 0;
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for(p = firstp; p != P; p = p->link) {
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if(p->line == oldlc || p->as == ATEXT || p->as == ANOP) {
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if(p->as == ATEXT)
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curtext = p;
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if(debug['L'])
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Bprint(&bso, "%6lux %P\n",
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p->pc, p);
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continue;
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}
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if(debug['L'])
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Bprint(&bso, "\t\t%6ld", lcsize);
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v = (p->pc - oldpc) / MINLC;
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while(v) {
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s = 127;
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if(v < 127)
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s = v;
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CPUT(s+128); /* 129-255 +pc */
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if(debug['L'])
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Bprint(&bso, " pc+%ld*%d(%ld)", s, MINLC, s+128);
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v -= s;
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lcsize++;
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}
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s = p->line - oldlc;
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oldlc = p->line;
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oldpc = p->pc + MINLC;
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if(s > 64 || s < -64) {
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CPUT(0); /* 0 vv +lc */
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CPUT(s>>24);
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CPUT(s>>16);
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CPUT(s>>8);
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CPUT(s);
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if(debug['L']) {
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if(s > 0)
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Bprint(&bso, " lc+%ld(%d,%ld)\n",
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s, 0, s);
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else
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Bprint(&bso, " lc%ld(%d,%ld)\n",
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s, 0, s);
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Bprint(&bso, "%6lux %P\n",
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p->pc, p);
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}
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lcsize += 5;
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continue;
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}
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if(s > 0) {
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CPUT(0+s); /* 1-64 +lc */
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if(debug['L']) {
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Bprint(&bso, " lc+%ld(%ld)\n", s, 0+s);
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Bprint(&bso, "%6lux %P\n",
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p->pc, p);
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}
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} else {
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CPUT(64-s); /* 65-128 -lc */
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if(debug['L']) {
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Bprint(&bso, " lc%ld(%ld)\n", s, 64-s);
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Bprint(&bso, "%6lux %P\n",
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p->pc, p);
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}
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}
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lcsize++;
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}
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while(lcsize & 1) {
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s = 129;
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CPUT(s);
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lcsize++;
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}
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if(debug['v'] || debug['L'])
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Bprint(&bso, "lcsize = %ld\n", lcsize);
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Bflush(&bso);
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}
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void
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datblk(long s, long n)
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|
{
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Prog *p;
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char *cast;
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long l, fl, j, d;
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int i, c;
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memset(buf.dbuf, 0, n+100);
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for(p = datap; p != P; p = p->link) {
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curp = p;
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l = p->from.sym->value + p->from.offset - s;
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c = p->reg;
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i = 0;
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if(l < 0) {
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if(l+c <= 0)
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continue;
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while(l < 0) {
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l++;
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i++;
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}
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|
}
|
|
if(l >= n)
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continue;
|
|
if(p->as != AINIT && p->as != ADYNT) {
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|
for(j=l+(c-i)-1; j>=l; j--)
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if(buf.dbuf[j]) {
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print("%P\n", p);
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|
diag("multiple initialization");
|
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break;
|
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}
|
|
}
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|
switch(p->to.type) {
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default:
|
|
diag("unknown mode in initialization\n%P", p);
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break;
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|
|
|
case D_FCONST:
|
|
switch(c) {
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default:
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case 4:
|
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fl = ieeedtof(p->to.ieee);
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cast = (char*)&fl;
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for(; i<c; i++) {
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buf.dbuf[l] = cast[fnuxi8[i]];
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l++;
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}
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break;
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case 8:
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cast = (char*)p->to.ieee;
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for(; i<c; i++) {
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buf.dbuf[l] = cast[fnuxi8[i]];
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l++;
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}
|
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break;
|
|
}
|
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break;
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|
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case D_SCONST:
|
|
for(; i<c; i++) {
|
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buf.dbuf[l] = p->to.sval[i];
|
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l++;
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}
|
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break;
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|
|
|
case D_CONST:
|
|
d = p->to.offset;
|
|
if(p->to.sym) {
|
|
if(p->to.sym->type == STEXT ||
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p->to.sym->type == SLEAF)
|
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d += p->to.sym->value;
|
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if(p->to.sym->type == SDATA)
|
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d += p->to.sym->value + INITDAT;
|
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if(p->to.sym->type == SBSS)
|
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d += p->to.sym->value + INITDAT;
|
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}
|
|
cast = (char*)&d;
|
|
switch(c) {
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default:
|
|
diag("bad nuxi %d %d\n%P", c, i, curp);
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break;
|
|
case 1:
|
|
for(; i<c; i++) {
|
|
buf.dbuf[l] = cast[inuxi1[i]];
|
|
l++;
|
|
}
|
|
break;
|
|
case 2:
|
|
for(; i<c; i++) {
|
|
buf.dbuf[l] = cast[inuxi2[i]];
|
|
l++;
|
|
}
|
|
break;
|
|
case 4:
|
|
for(; i<c; i++) {
|
|
buf.dbuf[l] = cast[inuxi4[i]];
|
|
l++;
|
|
}
|
|
break;
|
|
case 8:
|
|
for(; i<4; i++) {
|
|
buf.dbuf[l] = cast[inuxi4[i]];
|
|
l++;
|
|
}
|
|
d = p->to.offset >> 32;
|
|
for(; i<c; i++) {
|
|
buf.dbuf[l] = cast[inuxi4[i-4]];
|
|
l++;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
write(cout, buf.dbuf, n);
|
|
}
|
|
|
|
#define OP_RRR(op,r1,r2,r3)\
|
|
(op|(((r1)&31L)<<16)|(((r2)&31L)<<21)|((r3)&31L))
|
|
#define OP_IRR(op,i,r2,r3)\
|
|
(op|(((i)&255L)<<13)|0x1000|(((r2)&31L)<<21)|((r3)&31L))
|
|
#define OP_MEM(op,d,r1,r2)\
|
|
(op|(((r1)&31L)<<16)|(((r2)&31L)<<21)|((d)&0xffff))
|
|
#define OP_BR(op,d,r1)\
|
|
(op|((d)&0x1fffff)|(((r1)&31L)<<21))
|
|
|
|
int
|
|
asmout(Prog *p, Optab *o)
|
|
{
|
|
long o1, o2, o3, o4, o5, o6;
|
|
vlong v;
|
|
int r, a;
|
|
|
|
o1 = 0;
|
|
o2 = 0;
|
|
o3 = 0;
|
|
o4 = 0;
|
|
o5 = 0;
|
|
o6 = 0;
|
|
switch(o->type) {
|
|
default:
|
|
diag("unknown type %d", o->type);
|
|
if(!debug['a'])
|
|
prasm(p);
|
|
break;
|
|
|
|
case 0: /* pseudo ops */
|
|
break;
|
|
|
|
case 1: /* register-register moves */
|
|
if(p->as == AMOVB || p->as == AMOVW) /* noop should rewrite */
|
|
diag("forbidden SEX: %P", p);
|
|
if(p->as == AMOVBU || p->as == AMOVWU) {
|
|
v = 1;
|
|
if (p->as == AMOVWU)
|
|
v = 3;
|
|
o1 = OP_IRR(opcode(AZAPNOT), v, p->from.reg, p->to.reg);
|
|
}
|
|
else {
|
|
a = AOR;
|
|
if(p->as == AMOVL)
|
|
a = AADDL;
|
|
if(p->as == AMOVLU)
|
|
a = AEXTLL;
|
|
o1 = OP_RRR(opcode(a), REGZERO, p->from.reg, p->to.reg);
|
|
}
|
|
break;
|
|
|
|
case 2: /* <operate> r1,[r2],r3 */
|
|
r = p->reg;
|
|
if(r == NREG)
|
|
r = p->to.reg;
|
|
o1 = OP_RRR(opcode(p->as), p->from.reg, r, p->to.reg);
|
|
break;
|
|
|
|
case 3: /* <operate> $n,[r2],r3 */
|
|
v = regoff(&p->from);
|
|
r = p->reg;
|
|
if(r == NREG)
|
|
r = p->to.reg;
|
|
o1 = OP_IRR(opcode(p->as), v, r, p->to.reg);
|
|
break;
|
|
|
|
case 4: /* beq r1,sbra */
|
|
if(p->cond == P)
|
|
v = -4 >> 2;
|
|
else
|
|
v = (p->cond->pc - pc-4) >> 2;
|
|
o1 = OP_BR(opcode(p->as), v, p->from.reg);
|
|
break;
|
|
|
|
case 5: /* jmp [r1],0(r2) */
|
|
r = p->reg;
|
|
a = p->as;
|
|
if(r == NREG) {
|
|
r = o->param;
|
|
/* if(a == AJMP && p->to.reg == REGLINK)
|
|
a = ARET; /* this breaks the kernel -- maybe we need to clear prediction stack on each context switch... */
|
|
}
|
|
o1 = OP_MEM(opcode(a), 0, p->to.reg, r);
|
|
break;
|
|
|
|
case 6: /* movq $n,r1 and movq $soreg,r1 */
|
|
r = p->from.reg;
|
|
if(r == NREG)
|
|
r = o->param;
|
|
v = regoff(&p->from);
|
|
o1 = OP_MEM(opcode(AMOVA), v, r, p->to.reg);
|
|
break;
|
|
|
|
case 7: /* movbu r1, r2 */
|
|
v = 1;
|
|
if (p->as == AMOVWU)
|
|
v = 3;
|
|
o1 = OP_IRR(opcode(AZAPNOT), v, p->from.reg, p->to.reg);
|
|
break;
|
|
|
|
case 8: /* mov r, soreg ==> stq o(r) */
|
|
r = p->to.reg;
|
|
if(r == NREG)
|
|
r = o->param;
|
|
v = regoff(&p->to);
|
|
if (p->as == AMOVQ || p->as == AMOVT)
|
|
if ((r == REGSP || r == REGSB) && (v&7) != 0)
|
|
diag("bad alignment: %P", p);
|
|
o1 = OP_MEM(opcode(p->as+AEND), v, r, p->from.reg);
|
|
break;
|
|
|
|
case 9: /* mov soreg, r ==> ldq o(r) */
|
|
r = p->from.reg;
|
|
if(r == NREG)
|
|
r = o->param;
|
|
v = regoff(&p->from);
|
|
if (p->as == AMOVQ || p->as == AMOVT)
|
|
if ((r == REGSP || r == REGSB) && (v&7) != 0)
|
|
diag("bad alignment: %P", p);
|
|
o1 = OP_MEM(opcode(p->as), v, r, p->to.reg);
|
|
break;
|
|
|
|
case 10: /* movb r1,r2 */
|
|
v = 64 - 8;
|
|
if (p->as == AMOVW)
|
|
v = 64 - 16;
|
|
o1 = OP_IRR(opcode(ASLLQ), v, p->from.reg, p->to.reg);
|
|
o2 = OP_IRR(opcode(ASRAQ), v, p->to.reg, p->to.reg);
|
|
break;
|
|
|
|
case 11: /* jmp lbra */
|
|
if(p->cond == P)
|
|
v = -4 >> 2;
|
|
else
|
|
v = (p->cond->pc - pc-4) >> 2;
|
|
a = ABR;
|
|
r = REGZERO;
|
|
if (p->as == AJSR) {
|
|
a = ABSR;
|
|
r = REGLINK;
|
|
}
|
|
o1 = OP_BR(opcode(a), v, r);
|
|
break;
|
|
|
|
case 12: /* addq $n,[r2],r3 ==> lda */
|
|
v = regoff(&p->from);
|
|
if (p->as == ASUBQ)
|
|
v = -v;
|
|
r = p->reg;
|
|
if(r == NREG)
|
|
r = p->to.reg;
|
|
o1 = OP_MEM(opcode(AMOVA), v, r, p->to.reg);
|
|
break;
|
|
|
|
case 13: /* <op> $scon,[r2],r3 */
|
|
v = regoff(&p->from);
|
|
if(p->to.reg == REGTMP || p->reg == REGTMP)
|
|
diag("cant synthesize large constant\n%P", p);
|
|
r = p->reg;
|
|
if(r == NREG)
|
|
r = p->to.reg;
|
|
o1 = OP_MEM(opcode(AMOVA), v, REGZERO, REGTMP);
|
|
o2 = OP_RRR(opcode(p->as), REGTMP, r, p->to.reg);
|
|
break;
|
|
|
|
case 14: /* <op> $lcon,[r2],r3 */
|
|
v = regoff(&p->from);
|
|
if(v & 0x8000)
|
|
v += 0x10000;
|
|
if(p->to.reg == REGTMP || p->reg == REGTMP)
|
|
diag("cant synthesize large constant\n%P", p);
|
|
r = p->reg;
|
|
if(r == NREG)
|
|
r = p->to.reg;
|
|
o1 = OP_MEM(opcode(AMOVA), v, REGZERO, REGTMP);
|
|
o2 = OP_MEM(opcode(AMOVAH), v>>16, REGTMP, REGTMP);
|
|
o3 = OP_RRR(opcode(p->as), REGTMP, r, p->to.reg);
|
|
break;
|
|
|
|
case 15: /* mov $lcon,r1 */
|
|
v = regoff(&p->from);
|
|
if(v & 0x8000)
|
|
v += 0x10000;
|
|
o1 = OP_MEM(opcode(AMOVA), v, o->param, REGTMP);
|
|
o2 = OP_MEM(opcode(AMOVAH), v>>16, REGTMP, p->to.reg);
|
|
break;
|
|
|
|
case 16: /* mov $qcon,r1 */
|
|
v = regoff(&p->from);
|
|
if(v & 0x8000)
|
|
v += 0x10000;
|
|
if((v>>31)&1)
|
|
v += (1LL<<32);
|
|
if((v>>47)&1)
|
|
v += (1LL<<48);
|
|
o1 = OP_MEM(opcode(AMOVA), v>>32, o->param, REGTMP);
|
|
o2 = OP_MEM(opcode(AMOVAH), v>>48, REGTMP, REGTMP);
|
|
o3 = OP_IRR(opcode(ASLLQ), 32, REGTMP, REGTMP);
|
|
o4 = OP_MEM(opcode(AMOVA), v, REGTMP, REGTMP);
|
|
o5 = OP_MEM(opcode(AMOVAH), v>>16, REGTMP, p->to.reg);
|
|
break;
|
|
|
|
case 17: /* mov f1,f2 ==> fcpys f1,f1,f2 */
|
|
o1 = OP_RRR(opcode(ACPYS), p->from.reg, p->from.reg, p->to.reg);
|
|
break;
|
|
|
|
case 18: /* call_pal imm */
|
|
v = regoff(&p->from);
|
|
o1 = OP_MEM(opcode(ACALL_PAL), v, 0, 0);
|
|
break;
|
|
|
|
case 19: /* mov r, loreg ==> ldah,stq */
|
|
r = p->to.reg;
|
|
if(r == NREG)
|
|
r = o->param;
|
|
v = regoff(&p->to);
|
|
if (p->as == AMOVQ || p->as == AMOVT)
|
|
if ((r == REGSP || r == REGSB) && (v&7) != 0)
|
|
diag("bad alignment: %P", p);
|
|
if(v & 0x8000)
|
|
v += 0x10000;
|
|
o1 = OP_MEM(opcode(AMOVAH), v>>16, r, REGTMP);
|
|
o2 = OP_MEM(opcode(p->as+AEND), v, REGTMP, p->from.reg);
|
|
break;
|
|
|
|
case 20: /* mov loreg, r ==> ldah,ldq */
|
|
r = p->from.reg;
|
|
if(r == NREG)
|
|
r = o->param;
|
|
v = regoff(&p->from);
|
|
if (p->as == AMOVQ || p->as == AMOVT)
|
|
if ((r == REGSP || r == REGSB) && (v&7) != 0)
|
|
diag("bad alignment: %P", p);
|
|
if(v & 0x8000)
|
|
v += 0x10000;
|
|
o1 = OP_MEM(opcode(AMOVAH), v>>16, r, REGTMP);
|
|
o2 = OP_MEM(opcode(p->as), v, REGTMP, p->to.reg);
|
|
break;
|
|
|
|
#ifdef NEVER
|
|
case 21: /* mov r1,$qoreg */
|
|
r = p->to.reg;
|
|
if(r == NREG)
|
|
r = o->param;
|
|
v = regoff(&p->to);
|
|
if(v & 0x8000)
|
|
v += 0x10000;
|
|
if((v>>31)&1)
|
|
v += (1LL<<32);
|
|
if((v>>47)&1)
|
|
v += (1LL<<48);
|
|
o1 = OP_MEM(opcode(AMOVA), v>>32, r, REGTMP);
|
|
o2 = OP_MEM(opcode(AMOVAH), v>>48, REGTMP, REGTMP);
|
|
o3 = OP_IRR(opcode(ASLLQ), 32, REGTMP, REGTMP);
|
|
o4 = OP_MEM(opcode(AMOVAH), v>>16, REGTMP, REGTMP);
|
|
o5 = OP_MEM(opcode(p->as+AEND), v, REGTMP, p->from.reg);
|
|
break;
|
|
|
|
case 22: /* mov $qoreg,r1 */
|
|
r = p->from.reg;
|
|
if(r == NREG)
|
|
r = o->param;
|
|
v = regoff(&p->from);
|
|
if(v & 0x8000)
|
|
v += 0x10000;
|
|
if((v>>31)&1)
|
|
v += (1LL<<32);
|
|
if((v>>47)&1)
|
|
v += (1LL<<48);
|
|
o1 = OP_MEM(opcode(AMOVA), v>>32, r, REGTMP);
|
|
o2 = OP_MEM(opcode(AMOVAH), v>>48, REGTMP, REGTMP);
|
|
o3 = OP_IRR(opcode(ASLLQ), 32, REGTMP, REGTMP);
|
|
o4 = OP_MEM(opcode(AMOVAH), v>>16, REGTMP, REGTMP);
|
|
o5 = OP_MEM(opcode(p->as), v, REGTMP, p->to.reg);
|
|
break;
|
|
#endif
|
|
|
|
case 23: /* <op> $qcon,r1 */
|
|
if(p->to.reg == REGTMP || p->reg == REGTMP)
|
|
diag("cant synthesize large constant\n%P", p);
|
|
v = regoff(&p->from);
|
|
r = p->reg;
|
|
if(r == NREG)
|
|
r = p->to.reg;
|
|
if(v & 0x8000)
|
|
v += 0x10000;
|
|
if((v>>31)&1)
|
|
v += (1LL<<32);
|
|
if((v>>47)&1)
|
|
v += (1LL<<48);
|
|
o1 = OP_MEM(opcode(AMOVA), v>>32, REGZERO, REGTMP);
|
|
o2 = OP_MEM(opcode(AMOVAH), v>>48, REGTMP, REGTMP);
|
|
o3 = OP_IRR(opcode(ASLLQ), 32, REGTMP, REGTMP);
|
|
o4 = OP_MEM(opcode(AMOVA), v, REGTMP, REGTMP);
|
|
o5 = OP_MEM(opcode(AMOVAH), v>>16, REGTMP, REGTMP);
|
|
o6 = OP_RRR(opcode(p->as), REGTMP, r, p->to.reg);
|
|
break;
|
|
|
|
case 24: /* movq Fn, FPCR */
|
|
r = p->from.reg;
|
|
o1 = OP_RRR(opcode(AADDT+AEND), r, r, r);
|
|
break;
|
|
|
|
case 25: /* movq FPCR, Fn */
|
|
r = p->to.reg;
|
|
o1 = OP_RRR(opcode(AADDS+AEND), r, r, r);
|
|
break;
|
|
|
|
case 26: /* movq Rn, C_PREG */
|
|
r = p->from.reg;
|
|
o1 = OP_RRR(opcode(ASUBQ+AEND), r, r, 0) | p->to.reg & 255;
|
|
break;
|
|
|
|
case 27: /* movq C_PREG, Rn */
|
|
r = p->to.reg;
|
|
o1 = OP_RRR(opcode(AADDQ+AEND), r, r, 0) | p->from.reg & 255;
|
|
break;
|
|
|
|
case 28: /* cvttq r1,r3 */
|
|
r = p->from.reg;
|
|
o1 = OP_RRR(opcode(p->as), r, REGZERO, p->to.reg);
|
|
break;
|
|
|
|
case 29: /* movq pcc, rpcc -> Rn */
|
|
o1 = OP_MEM(opcode(ARPCC), 0, REGZERO, p->to.reg);
|
|
break;
|
|
|
|
case 30: /* rei/mb/trapb */
|
|
o1 = OP_MEM(opcode(p->as), 0, REGZERO, REGZERO);
|
|
break;
|
|
|
|
case 31: /* fetch (Rn) */
|
|
o1 = OP_MEM(opcode(p->as), 0, REGZERO, p->from.reg);
|
|
break;
|
|
|
|
case 32: /* movqp r, soreg ==> stqp o(r) */
|
|
r = p->to.reg;
|
|
if(r == NREG)
|
|
r = o->param;
|
|
v = regoff(&p->to);
|
|
if (v < -0x800 || v >= 0x800)
|
|
diag("physical store out of range\n%P", p);
|
|
v &= 0xfff;
|
|
o1 = OP_MEM(opcode(p->as+AEND), v, r, p->from.reg);
|
|
break;
|
|
|
|
case 33: /* movqp soreg, r ==> ldqp o(r) */
|
|
r = p->from.reg;
|
|
if(r == NREG)
|
|
r = o->param;
|
|
v = regoff(&p->from);
|
|
if (v < -0x800 || v >= 0x800)
|
|
diag("physical load out of range\n%P", p);
|
|
v &= 0xfff;
|
|
o1 = OP_MEM(opcode(p->as), v, r, p->to.reg);
|
|
break;
|
|
|
|
case 34: /* <operate> $-n,[r2],r3 */
|
|
v = regoff(&p->from);
|
|
r = p->reg;
|
|
if(r == NREG)
|
|
r = p->to.reg;
|
|
switch (a = p->as) {
|
|
case AAND:
|
|
a = AANDNOT;
|
|
break;
|
|
case AANDNOT:
|
|
a = AAND;
|
|
break;
|
|
case AOR:
|
|
a = AORNOT;
|
|
break;
|
|
case AORNOT:
|
|
a = AOR;
|
|
break;
|
|
case AXOR:
|
|
a = AXORNOT;
|
|
break;
|
|
case AXORNOT:
|
|
a = AXOR;
|
|
break;
|
|
default:
|
|
diag("bad in NCON case: %P", p);
|
|
}
|
|
v = ~v;
|
|
o1 = OP_IRR(opcode(a), v, r, p->to.reg);
|
|
break;
|
|
|
|
case 40: /* word */
|
|
o1 = regoff(&p->to);
|
|
break;
|
|
|
|
}
|
|
switch(o->size) {
|
|
default:
|
|
if(debug['a'])
|
|
Bprint(&bso, " %.8lux:\t\t%P\n", p->pc, p);
|
|
break;
|
|
case 4:
|
|
if(debug['a'])
|
|
Bprint(&bso, " %.8lux: %.8lux\t%P\n", p->pc, o1, p);
|
|
LPUT(o1);
|
|
break;
|
|
case 8:
|
|
if(debug['a'])
|
|
Bprint(&bso, " %.8lux: %.8lux %.8lux %P\n", p->pc, o1, o2, p);
|
|
LPUT(o1);
|
|
LPUT(o2);
|
|
break;
|
|
case 12:
|
|
if(debug['a'])
|
|
Bprint(&bso, " %.8lux: %.8lux %.8lux %.8lux %P\n", p->pc, o1, o2, o3, p);
|
|
LPUT(o1);
|
|
LPUT(o2);
|
|
LPUT(o3);
|
|
break;
|
|
case 16:
|
|
if(debug['a'])
|
|
Bprint(&bso, " %.8lux: %.8lux %.8lux %.8lux %.8lux %P\n",
|
|
p->pc, o1, o2, o3, o4, p);
|
|
LPUT(o1);
|
|
LPUT(o2);
|
|
LPUT(o3);
|
|
LPUT(o4);
|
|
break;
|
|
case 20:
|
|
if(debug['a'])
|
|
Bprint(&bso, " %.8lux: %.8lux %.8lux %.8lux %.8lux %.8lux %P\n",
|
|
p->pc, o1, o2, o3, o4, o5, p);
|
|
LPUT(o1);
|
|
LPUT(o2);
|
|
LPUT(o3);
|
|
LPUT(o4);
|
|
LPUT(o5);
|
|
break;
|
|
case 24:
|
|
if(debug['a'])
|
|
Bprint(&bso, " %.8lux: %.8lux %.8lux %.8lux %.8lux %.8lux %.8lux %P\n",
|
|
p->pc, o1, o2, o3, o4, o5, o6, p);
|
|
LPUT(o1);
|
|
LPUT(o2);
|
|
LPUT(o3);
|
|
LPUT(o4);
|
|
LPUT(o5);
|
|
LPUT(o6);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#define OP(x,y) (((x)<<26)|((y)<<5))
|
|
#define FP(x) OP(22, (x)|0xc0) /* note: this sets round/trap modes (dynamic, software?). not used for cvtxx? */
|
|
#define FP2(x) OP(22, (x) /*|0x080*/) /* note: this sets round/trap modes (chopped, software?). used for cvtxx? */
|
|
#define FP3(x) OP(22, (x)|0x080) /* note: this sets round/trap modes (dynamic, software?). not used for cvtxx? */
|
|
|
|
long
|
|
opcode(int a)
|
|
{
|
|
switch (a) {
|
|
/* loads */
|
|
case AMOVB: /* misnomer; pretend it's ok for now */
|
|
diag("opcode(AMOVB)");
|
|
case AMOVBU: return OP(10, 0); /* v 3 */
|
|
case AMOVW: /* misnomer; pretend it's ok for now */
|
|
diag("opcode(AMOVW)");
|
|
case AMOVWU: return OP(12, 0); /* v 3 */
|
|
case AMOVL: return OP(40, 0);
|
|
case AMOVQ: return OP(41, 0);
|
|
case AMOVQU: return OP(11, 0);
|
|
case AMOVS: return OP(34, 0);
|
|
case AMOVT: return OP(35, 0);
|
|
|
|
/* stores */
|
|
case AMOVB+AEND: /* misnomer; pretend it's ok for now */
|
|
case AMOVBU+AEND: return OP(14, 0); /* v 3 */
|
|
case AMOVW+AEND: /* misnomer; pretend it's ok for now */
|
|
case AMOVWU+AEND: return OP(13, 0); /* v 3 */
|
|
case AMOVL+AEND: return OP(44, 0);
|
|
case AMOVQ+AEND: return OP(45, 0);
|
|
case AMOVQU+AEND: return OP(15, 0);
|
|
case AMOVS+AEND: return OP(38, 0);
|
|
case AMOVT+AEND: return OP(39, 0);
|
|
|
|
/* physical */
|
|
case AMOVLP+AEND: return OP(31, 0)|0x8000;
|
|
case AMOVQP+AEND: return OP(31, 0)|0x9000;
|
|
case AMOVLP: return OP(27, 0)|0x8000;
|
|
case AMOVQP: return OP(27, 0)|0x9000;
|
|
|
|
/* load address */
|
|
case AMOVA: return OP(8, 0);
|
|
case AMOVAH: return OP(9, 0);
|
|
|
|
/* locking */
|
|
case AMOVLL: return OP(42, 0); /* load locked */
|
|
case AMOVQL: return OP(43, 0); /* load locked */
|
|
case AMOVLC+AEND: return OP(46, 0); /* store cond */
|
|
case AMOVQC+AEND: return OP(47, 0); /* store cond */
|
|
|
|
case AADDL: return OP(16, 0);
|
|
case AADDLV: return OP(16, 64);
|
|
case AADDQ: return OP(16, 32);
|
|
case AADDQV: return OP(16, 96);
|
|
case AS4ADDL: return OP(16, 2);
|
|
case AS4ADDQ: return OP(16, 34);
|
|
case AS8ADDL: return OP(16, 18);
|
|
case AS8ADDQ: return OP(16, 50);
|
|
case AS4SUBL: return OP(16, 11);
|
|
case AS4SUBQ: return OP(16, 43);
|
|
case AS8SUBL: return OP(16, 27);
|
|
case AS8SUBQ: return OP(16, 59);
|
|
case ASUBL: return OP(16, 9);
|
|
case ASUBLV: return OP(16, 73);
|
|
case ASUBQ: return OP(16, 41);
|
|
case ASUBQV: return OP(16, 105);
|
|
case ACMPEQ: return OP(16, 45);
|
|
case ACMPGT: return OP(16, 77);
|
|
case ACMPGE: return OP(16, 109);
|
|
case ACMPUGT: return OP(16, 29);
|
|
case ACMPUGE: return OP(16, 61);
|
|
case ACMPBLE: return OP(16, 15);
|
|
|
|
case AAND: return OP(17, 0);
|
|
case AANDNOT: return OP(17, 8);
|
|
case AOR: return OP(17, 32);
|
|
case AORNOT: return OP(17, 40);
|
|
case AXOR: return OP(17, 64);
|
|
case AXORNOT: return OP(17, 72);
|
|
|
|
case ACMOVEQ: return OP(17, 36);
|
|
case ACMOVNE: return OP(17, 38);
|
|
case ACMOVLT: return OP(17, 68);
|
|
case ACMOVGE: return OP(17, 70);
|
|
case ACMOVLE: return OP(17, 100);
|
|
case ACMOVGT: return OP(17, 102);
|
|
case ACMOVLBS: return OP(17, 20);
|
|
case ACMOVLBC: return OP(17, 22);
|
|
|
|
case AMULL: return OP(19, 0);
|
|
case AMULQ: return OP(19, 32);
|
|
case AMULLV: return OP(19, 64);
|
|
case AMULQV: return OP(19, 96);
|
|
case AUMULH: return OP(19, 48);
|
|
|
|
case ASLLQ: return OP(18, 57);
|
|
case ASRLQ: return OP(18, 52);
|
|
case ASRAQ: return OP(18, 60);
|
|
|
|
case AEXTBL: return OP(18, 6);
|
|
case AEXTWL: return OP(18, 22);
|
|
case AEXTLL: return OP(18, 38);
|
|
case AEXTQL: return OP(18, 54);
|
|
case AEXTWH: return OP(18, 90);
|
|
case AEXTLH: return OP(18, 106);
|
|
case AEXTQH: return OP(18, 122);
|
|
|
|
case AINSBL: return OP(18, 11);
|
|
case AINSWL: return OP(18, 27);
|
|
case AINSLL: return OP(18, 43);
|
|
case AINSQL: return OP(18, 59);
|
|
case AINSWH: return OP(18, 87);
|
|
case AINSLH: return OP(18, 103);
|
|
case AINSQH: return OP(18, 119);
|
|
|
|
case AMSKBL: return OP(18, 2);
|
|
case AMSKWL: return OP(18, 18);
|
|
case AMSKLL: return OP(18, 34);
|
|
case AMSKQL: return OP(18, 50);
|
|
case AMSKWH: return OP(18, 82);
|
|
case AMSKLH: return OP(18, 98);
|
|
case AMSKQH: return OP(18, 114);
|
|
|
|
case AZAP: return OP(18, 48);
|
|
case AZAPNOT: return OP(18, 49);
|
|
|
|
case AJMP: return OP(26, 0);
|
|
case AJSR: return OP(26, 512);
|
|
case ARET: return OP(26, 1024);
|
|
|
|
case ABR: return OP(48, 0);
|
|
case ABSR: return OP(52, 0);
|
|
|
|
case ABEQ: return OP(57, 0);
|
|
case ABNE: return OP(61, 0);
|
|
case ABLT: return OP(58, 0);
|
|
case ABGE: return OP(62, 0);
|
|
case ABLE: return OP(59, 0);
|
|
case ABGT: return OP(63, 0);
|
|
case ABLBC: return OP(56, 0);
|
|
case ABLBS: return OP(60, 0);
|
|
|
|
case AFBEQ: return OP(49, 0);
|
|
case AFBNE: return OP(53, 0);
|
|
case AFBLT: return OP(50, 0);
|
|
case AFBGE: return OP(54, 0);
|
|
case AFBLE: return OP(51, 0);
|
|
case AFBGT: return OP(55, 0);
|
|
|
|
case ATRAPB: return OP(24, 0);
|
|
case AMB: return OP(24, 0x200);
|
|
case AFETCH: return OP(24, 0x400);
|
|
case AFETCHM: return OP(24, 0x500);
|
|
case ARPCC: return OP(24, 0x600);
|
|
|
|
case ACPYS: return OP(23, 32);
|
|
case ACPYSN: return OP(23, 33);
|
|
case ACPYSE: return OP(23, 34);
|
|
case AADDS+AEND: return OP(23, 37); /* MF_FPCR */
|
|
case AADDT+AEND: return OP(23, 36); /* MT_FPCR */
|
|
case ACVTLQ: return OP(23, 16);
|
|
case ACVTQL: return OP(23, 48); /* XXX trap mode */
|
|
case AFCMOVEQ: return OP(23, 42);
|
|
case AFCMOVNE: return OP(23, 43);
|
|
case AFCMOVLT: return OP(23, 44);
|
|
case AFCMOVGE: return OP(23, 45);
|
|
case AFCMOVLE: return OP(23, 46);
|
|
case AFCMOVGT: return OP(23, 47);
|
|
|
|
case AADDS: return FP(0);
|
|
case AADDT: return FP(32);
|
|
case ACMPTEQ: return FP3(37);
|
|
case ACMPTGT: return FP3(38);
|
|
case ACMPTGE: return FP3(39);
|
|
case ACMPTUN: return FP3(36);
|
|
|
|
case ACVTQS: return FP2(60);
|
|
case ACVTQT: return FP2(62);
|
|
case ACVTTS: return FP2(44);
|
|
case ACVTTQ: return FP2(47);
|
|
|
|
case ADIVS: return FP(3);
|
|
case ADIVT: return FP(35);
|
|
case AMULS: return FP(2);
|
|
case AMULT: return FP(34);
|
|
case ASUBS: return FP(1);
|
|
case ASUBT: return FP(33);
|
|
|
|
case ACALL_PAL: return 0;
|
|
case AREI: return OP(30, 0x400); /* HW_REI */
|
|
|
|
case AADDQ+AEND: return OP(25,0); /* HW_MFPR */
|
|
case ASUBQ+AEND: return OP(29,0); /* HW_MTPR */
|
|
}
|
|
diag("bad op %A(%d)", a, a);
|
|
return 0;
|
|
}
|
|
|