ref: c6a92afc7ac0382d90bf0fbd1d2e3e258a57aad4
dir: /sys/src/cmd/5c/list.c/
#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) { Bits bits; int i; bits = va_arg(fp->args, Bits); while(bany(&bits)) { i = bnum(bits); bits.b[i/32] &= ~(1L << (i%32)); if(var[i].sym == S) fmtprint(fp, "$%ld ", var[i].offset); else fmtprint(fp, "%s ", var[i].sym->name); } return 0; } char *extra [] = { ".EQ", ".NE", ".CS", ".CC", ".MI", ".PL", ".VS", ".VC", ".HI", ".LS", ".GE", ".LT", ".GT", ".LE", "", ".NV", }; int Pconv(Fmt *fp) { char sc[20]; Prog *p; int a, s; p = va_arg(fp->args, Prog*); a = p->as; s = p->scond; strcpy(sc, extra[s & C_SCOND]); if(s & C_SBIT) strcat(sc, ".S"); if(s & C_PBIT) strcat(sc, ".P"); if(s & C_WBIT) strcat(sc, ".W"); if(s & C_UBIT) /* ambiguous with FBIT */ strcat(sc, ".U"); if(a == AMULL || a == AMULAL || a == AMULLU || a == AMULALU) return fmtprint(fp, " %A%s %D,R%d,%D", a, sc, &p->from, p->reg, &p->to); else if(a == AMOVM) { if(p->from.type == D_CONST) return fmtprint(fp, " %A%s %R,%D", a, sc, &p->from, &p->to); else if(p->to.type == D_CONST) return fmtprint(fp, " %A%s %D,%R", a, sc, &p->from, &p->to); else return fmtprint(fp, " %A%s %D,%D", a, sc, &p->from, &p->to); } else if(a == ADATA) return fmtprint(fp, " %A %D/%d,%D", a, &p->from, p->reg, &p->to); else if(p->as == ATEXT) return fmtprint(fp, " %A %D,%d,%D", a, &p->from, p->reg, &p->to); else if(p->reg == NREG) return fmtprint(fp, " %A%s %D,%D", a, sc, &p->from, &p->to); else if(p->from.type != D_FREG) return fmtprint(fp, " %A%s %D,R%d,%D", a, sc, &p->from, p->reg, &p->to); else return fmtprint(fp, " %A%s %D,F%d,%D", a, sc, &p->from, p->reg, &p->to); } int Aconv(Fmt *fp) { char *s; int a; a = va_arg(fp->args, int); s = "???"; if(a >= AXXX && a < ALAST) s = anames[a]; return fmtstrcpy(fp, s); } int Dconv(Fmt *fp) { Adr *a; char *op; int v; a = va_arg(fp->args, Adr*); switch(a->type) { default: return fmtprint(fp, "GOK-type(%d)", a->type); case D_NONE: if(a->name != D_NONE || a->reg != NREG || a->sym != S) return fmtprint(fp, "%N(R%d)(NONE)", a, a->reg); return 0; case D_CONST: if(a->reg != NREG) return fmtprint(fp, "$%N(R%d)", a, a->reg); else return fmtprint(fp, "$%N", a); case D_SHIFT: v = a->offset; op = "<<>>->@>" + (((v>>5) & 3) << 1); if(v & (1<<4)) fmtprint(fp, "R%d%c%cR%d", v&15, op[0], op[1], (v>>8)&15); else { int sh = (v>>7)&31; if(sh == 0 && (v & (3<<5)) != 0) sh = 32; fmtprint(fp, "R%d%c%c%d", v&15, op[0], op[1], sh); } if(a->reg != NREG) fmtprint(fp, "(R%d)", a->reg); return 0; case D_OREG: if(a->reg != NREG) return fmtprint(fp, "%N(R%d)", a, a->reg); else return fmtprint(fp, "%N", a); case D_REGREG: return fmtprint(fp, "(R%d,R%d)", a->reg, (char)a->offset); case D_REG: if(a->name != D_NONE || a->sym != S) return fmtprint(fp, "%N(R%d)(REG)", a, a->reg); else return fmtprint(fp, "R%d", a->reg); case D_FREG: if(a->name != D_NONE || a->sym != S) return fmtprint(fp, "%N(R%d)(REG)", a, a->reg); else return fmtprint(fp, "F%d", a->reg); case D_PSR: if(a->name != D_NONE || a->sym != S) return fmtprint(fp, "%N(PSR)(REG)", a); else return fmtprint(fp, "PSR"); case D_BRANCH: return fmtprint(fp, "%ld(PC)", a->offset-pc); case D_FCONST: return fmtprint(fp, "$%.17e", a->dval); case D_SCONST: return fmtprint(fp, "$\"%S\"", a->sval); } } int Rconv(Fmt *fp) { char str[STRINGSZ], *p, *e; Adr *a; int i, v; a = va_arg(fp->args, Adr*); 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) { Adr *a; Sym *s; a = va_arg(fp->args, Adr*); s = a->sym; if(s == S) return fmtprint(fp, "%ld", a->offset); switch(a->name) { default: return fmtprint(fp, "GOK-name(%d)", a->name); case D_NONE: return fmtprint(fp, "%ld", a->offset); case D_EXTERN: return fmtprint(fp, "%s+%ld(SB)", s->name, a->offset); case D_STATIC: return fmtprint(fp, "%s<>+%ld(SB)", s->name, a->offset); case D_AUTO: return fmtprint(fp, "%s-%ld(SP)", s->name, -a->offset); case D_PARAM: return fmtprint(fp, "%s+%ld(FP)", s->name, a->offset); } }