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- #include "l.h"
- void
- listinit(void)
- {
- fmtinstall('A', Aconv);
- fmtinstall('D', Dconv);
- fmtinstall('P', Pconv);
- fmtinstall('S', Sconv);
- fmtinstall('N', Nconv);
- }
- void
- prasm(Prog *p)
- {
- print("%P\n", p);
- }
- int
- Pconv(Fmt *fp)
- {
- char str[STRINGSZ];
- Prog *p;
- int a;
- p = va_arg(fp->args, Prog*);
- curp = p;
- a = p->as;
- if(a == ADATA)
- sprint(str, "(%ld) %A %D/%d,%D",
- p->line, a, &p->from, p->reg, &p->to);
- else
- if(p->reg == NREG)
- sprint(str, "(%ld) %A %D,%D",
- p->line, a, &p->from, &p->to);
- else
- if(p->from.type != D_FREG)
- sprint(str, "(%ld) %A %D,R%d,%D",
- p->line, a, &p->from, p->reg, &p->to);
- else
- sprint(str, "(%ld) %A %D,F%d,%D",
- p->line, a, &p->from, p->reg, &p->to);
- return fmtstrcpy(fp, str);
- }
- int
- Aconv(Fmt *fp)
- {
- char *s;
- int a;
- a = va_arg(fp->args, int);
- s = "???";
- if(a >= AXXX && a <= AEND)
- s = anames[a];
- return fmtstrcpy(fp, s);
- }
- int
- Dconv(Fmt *fp)
- {
- char str[STRINGSZ];
- Adr *a;
- long v;
- a = va_arg(fp->args, Adr*);
- switch(a->type) {
- default:
- sprint(str, "GOK-type(%d)", a->type);
- break;
- case D_NONE:
- str[0] = 0;
- if(a->name != D_NONE || a->reg != NREG || a->sym != S)
- sprint(str, "%N(R%d)(NONE)", a, a->reg);
- break;
- case D_CONST:
- sprint(str, "$%N", a);
- if(a->reg != NREG)
- sprint(str, "%N(R%d)(CONST)", a, a->reg);
- break;
- case D_OREG:
- if(a->reg != NREG)
- sprint(str, "%N(R%d)", a, a->reg);
- else
- sprint(str, "%N", a);
- break;
- case D_REG:
- sprint(str, "R%d", a->reg);
- if(a->name != D_NONE || a->sym != S)
- sprint(str, "%N(R%d)(REG)", a, a->reg);
- break;
- case D_PREG:
- sprint(str, "P%d", a->reg & 255);
- if(a->name != D_NONE || a->sym != S)
- sprint(str, "%N(R%d)(PREG)", a, a->reg);
- break;
- case D_FREG:
- sprint(str, "F%d", a->reg);
- if(a->name != D_NONE || a->sym != S)
- sprint(str, "%N(R%d)(FREG)", a, a->reg);
- break;
- case D_FCREG:
- sprint(str, "FPCR");
- if(a->name != D_NONE || a->sym != S)
- sprint(str, "%N(R%d)(FCREG)", a, a->reg);
- break;
- case D_BRANCH: /* botch */
- if(curp->cond != P) {
- v = curp->cond->pc;
- if(v >= INITTEXT)
- v -= INITTEXT-HEADR;
- if(a->sym != S)
- sprint(str, "%s+%.5lux(BRANCH)", a->sym->name, v);
- else
- sprint(str, "%.5lux(BRANCH)", v);
- } else
- if(a->sym != S)
- sprint(str, "%s+%lld(APC)", a->sym->name, a->offset);
- else
- sprint(str, "%lld(APC)", a->offset);
- break;
- case D_FCONST:
- sprint(str, "$%e", ieeedtod(a->ieee));
- break;
- case D_SCONST:
- sprint(str, "$\"%S\"", a->sval);
- break;
- }
- return fmtstrcpy(fp, str);
- }
- int
- Nconv(Fmt *fp)
- {
- char str[STRINGSZ];
- Adr *a;
- Sym *s;
- a = va_arg(fp->args, Adr*);
- s = a->sym;
- if(s == S) {
- sprint(str, "%lld", a->offset);
- goto out;
- }
- switch(a->name) {
- default:
- sprint(str, "GOK-name(%d)", a->name);
- break;
- case D_NONE:
- sprint(str, "%lld", a->offset);
- break;
- case D_EXTERN:
- sprint(str, "%s+%lld(SB)", s->name, a->offset);
- break;
- case D_STATIC:
- sprint(str, "%s<>+%lld(SB)", s->name, a->offset);
- break;
- case D_AUTO:
- sprint(str, "%s-%lld(SP)", s->name, -a->offset);
- break;
- case D_PARAM:
- sprint(str, "%s+%lld(FP)", s->name, a->offset);
- break;
- }
- out:
- return fmtstrcpy(fp, str);
- }
- int
- Sconv(Fmt *fp)
- {
- int i, c;
- char str[STRINGSZ], *p, *a;
- a = va_arg(fp->args, char*);
- p = str;
- for(i=0; i<sizeof(long); i++) {
- c = a[i] & 0xff;
- if(c >= 'a' && c <= 'z' ||
- c >= 'A' && c <= 'Z' ||
- c >= '0' && c <= '9' ||
- c == ' ' || c == '%') {
- *p++ = c;
- continue;
- }
- *p++ = '\\';
- switch(c) {
- case 0:
- *p++ = 'z';
- continue;
- case '\\':
- case '"':
- *p++ = c;
- continue;
- case '\n':
- *p++ = 'n';
- continue;
- case '\t':
- *p++ = 't';
- continue;
- }
- *p++ = (c>>6) + '0';
- *p++ = ((c>>3) & 7) + '0';
- *p++ = (c & 7) + '0';
- }
- *p = 0;
- return fmtstrcpy(fp, str);
- }
- void
- diag(char *fmt, ...)
- {
- char buf[STRINGSZ], *tn;
- va_list arg;
- tn = "??none??";
- if(curtext != P && curtext->from.sym != S)
- tn = curtext->from.sym->name;
- va_start(arg, fmt);
- vseprint(buf, buf+sizeof(buf), fmt, arg);
- va_end(arg);
- print("%s: %s\n", tn, buf);
- nerrors++;
- if(nerrors > 10) {
- print("too many errors\n");
- errorexit();
- }
- }
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