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- /*
- * This file is part of the UCB release of Plan 9. It is subject to the license
- * terms in the LICENSE file found in the top-level directory of this
- * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
- * part of the UCB release of Plan 9, including this file, may be copied,
- * modified, propagated, or distributed except according to the terms contained
- * in the LICENSE file.
- */
- #define EXTERN
- #include "gc.h"
- void
- listinit(void)
- {
- fmtinstall('A', Aconv);
- fmtinstall('P', Pconv);
- fmtinstall('S', Sconv);
- fmtinstall('N', Nconv);
- fmtinstall('B', Bconv);
- fmtinstall('D', Dconv);
- fmtinstall('R', Rconv);
- }
- int
- Bconv(Fmt *fp)
- {
- char str[STRINGSZ], ss[STRINGSZ], *s;
- Bits bits;
- int i;
- str[0] = 0;
- bits = va_arg(fp->args, Bits);
- while(bany(&bits)) {
- i = bnum(bits);
- if(str[0])
- strcat(str, " ");
- if(var[i].sym == S) {
- snprint(ss, sizeof(ss), "$%ld", var[i].offset);
- s = ss;
- } else
- s = var[i].sym->name;
- if(strlen(str) + strlen(s) + 1 >= STRINGSZ)
- break;
- strcat(str, s);
- bits.b[i/32] &= ~(1L << (i%32));
- }
- return fmtstrcpy(fp, str);
- }
- char *extra [] = {
- ".EQ", ".NE", ".CS", ".CC",
- ".MI", ".PL", ".VS", ".VC",
- ".HI", ".LS", ".GE", ".LT",
- ".GT", ".LE", "", ".NV",
- };
- int
- Pconv(Fmt *fp)
- {
- char str[STRINGSZ], sc[20];
- Prog *p;
- int a, s;
- p = va_arg(fp->args, Prog*);
- a = p->as;
- s = p->scond;
- strcpy(sc, extra[s & C_SCOND]);
- if(s & C_SBIT)
- strcat(sc, ".S");
- if(s & C_PBIT)
- strcat(sc, ".P");
- if(s & C_WBIT)
- strcat(sc, ".W");
- if(s & C_UBIT) /* ambiguous with FBIT */
- strcat(sc, ".U");
- if(a == AMOVM) {
- if(p->from.type == D_CONST)
- snprint(str, sizeof(str), " %A%s %R,%D", a, sc, &p->from, &p->to);
- else
- if(p->to.type == D_CONST)
- snprint(str, sizeof(str), " %A%s %D,%R", a, sc, &p->from, &p->to);
- else
- snprint(str, sizeof(str), " %A%s %D,%D", a, sc, &p->from, &p->to);
- } else
- if(a == ADATA)
- snprint(str, sizeof(str), " %A %D/%d,%D", a, &p->from, p->reg, &p->to);
- else
- if(p->as == ATEXT)
- snprint(str, sizeof(str), " %A %D,%d,%D", a, &p->from, p->reg, &p->to);
- else
- if(p->reg == NREG)
- snprint(str, sizeof(str), " %A%s %D,%D", a, sc, &p->from, &p->to);
- else
- if(p->from.type != D_FREG)
- snprint(str, sizeof(str), " %A%s %D,R%d,%D", a, sc, &p->from, p->reg, &p->to);
- else
- snprint(str, sizeof(str), " %A%s %D,F%d,%D", a, sc, &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 < ALAST)
- s = anames[a];
- return fmtstrcpy(fp, s);
- }
- int
- Dconv(Fmt *fp)
- {
- char str[STRINGSZ];
- Adr *a;
- char *op;
- int v;
- a = va_arg(fp->args, Adr*);
- switch(a->type) {
- default:
- snprint(str, sizeof(str), "GOK-type(%d)", a->type);
- break;
- case D_NONE:
- str[0] = 0;
- if(a->name != D_NONE || a->reg != NREG || a->sym != S)
- snprint(str, sizeof(str), "%N(R%d)(NONE)", a, a->reg);
- break;
- case D_CONST:
- if(a->reg != NREG)
- snprint(str, sizeof(str), "$%N(R%d)", a, a->reg);
- else
- snprint(str, sizeof(str), "$%N", a);
- break;
- case D_SHIFT:
- v = a->offset;
- op = "<<>>->@>" + (((v>>5) & 3) << 1);
- if(v & (1<<4))
- snprint(str, sizeof(str), "R%d%c%cR%d", v&15, op[0], op[1], (v>>8)&15);
- else
- snprint(str, sizeof(str), "R%d%c%c%d", v&15, op[0], op[1], (v>>7)&31);
- if(a->reg != NREG)
- sprint(str+strlen(str), "(R%d)", a->reg);
- break;
- case D_OREG:
- if(a->reg != NREG)
- snprint(str, sizeof(str), "%N(R%d)", a, a->reg);
- else
- snprint(str, sizeof(str), "%N", a);
- break;
- case D_REG:
- snprint(str, sizeof(str), "R%d", a->reg);
- if(a->name != D_NONE || a->sym != S)
- snprint(str, sizeof(str), "%N(R%d)(REG)", a, a->reg);
- break;
- case D_FREG:
- snprint(str, sizeof(str), "F%d", a->reg);
- if(a->name != D_NONE || a->sym != S)
- snprint(str, sizeof(str), "%N(R%d)(REG)", a, a->reg);
- break;
- case D_PSR:
- snprint(str, sizeof(str), "PSR");
- if(a->name != D_NONE || a->sym != S)
- snprint(str, sizeof(str), "%N(PSR)(REG)", a);
- break;
- case D_BRANCH:
- snprint(str, sizeof(str), "%ld(PC)", a->offset-pc);
- break;
- case D_FCONST:
- snprint(str, sizeof(str), "$%.17e", a->dval);
- break;
- case D_SCONST:
- snprint(str, sizeof(str), "$\"%S\"", a->sval);
- break;
- }
- return fmtstrcpy(fp, str);
- }
- int
- Rconv(Fmt *fp)
- {
- char str[STRINGSZ], *p, *e;
- Adr *a;
- int i, v;
- a = va_arg(fp->args, Adr*);
- snprint(str, sizeof(str), "GOK-reglist");
- switch(a->type) {
- case D_CONST:
- if(a->reg != NREG)
- break;
- if(a->sym != S)
- break;
- v = a->offset;
- p = str;
- e = str+sizeof(str);
- for(i=0; i<NREG; i++) {
- if(v & (1<<i)) {
- if(p == str)
- p = seprint(p, e, "[R%d", i);
- else
- p = seprint(p, e, ",R%d", i);
- }
- }
- seprint(p, e, "]");
- }
- 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<NSNAME; 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;
- case '\r':
- *p++ = 'r';
- continue;
- case '\f':
- *p++ = 'f';
- continue;
- }
- *p++ = (c>>6) + '0';
- *p++ = ((c>>3) & 7) + '0';
- *p++ = (c & 7) + '0';
- }
- *p = 0;
- 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) {
- snprint(str, sizeof(str), "%ld", a->offset);
- goto out;
- }
- switch(a->name) {
- default:
- snprint(str, sizeof(str), "GOK-name(%d)", a->name);
- break;
- case D_NONE:
- snprint(str, sizeof(str), "%ld", a->offset);
- break;
- case D_EXTERN:
- snprint(str, sizeof(str), "%s+%ld(SB)", s->name, a->offset);
- break;
- case D_STATIC:
- snprint(str, sizeof(str), "%s<>+%ld(SB)", s->name, a->offset);
- break;
- case D_AUTO:
- snprint(str, sizeof(str), "%s-%ld(SP)", s->name, -a->offset);
- break;
- case D_PARAM:
- snprint(str, sizeof(str), "%s+%ld(FP)", s->name, a->offset);
- break;
- }
- out:
- return fmtstrcpy(fp, str);
- }
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