ref: 75f5332c9dce891845e57b188efad28d7530d8ae
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) { char str[STRINGSZ], ss[STRINGSZ], *s; Bits bits; int i; memset(str, 0, sizeof str); bits = va_arg(fp->args, Bits); while(bany(&bits)) { i = bnum(bits); if(str[0]) strncat(str, " ", sizeof str - 1); if(var[i].sym == S) { snprint(ss, sizeof ss, "$%ld", var[i].offset); s = ss; } else s = var[i].sym->name; strncat(str, s, sizeof str - 1); 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 == AMULL || a == AMULAL || a == AMULLU || a == AMULALU) snprint(str, sizeof str, " %A%s %D,R%d,%D", a, sc, &p->from, p->reg, &p->to); else 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, "$%N", a); break; case D_SHIFT: v = a->offset; op = "<<>>->@>" + (((v>>5) & 3) << 1); if(v & (1<<4)) snprint(str, sizeof str, "R%d%c%cR%d", v&15, op[0], op[1], (v>>8)&15); else { int sh = (v>>7)&31; if(sh == 0 && (v & (3<<5)) != 0) sh = 32; snprint(str, sizeof str, "R%d%c%c%d", v&15, op[0], op[1], sh); } if(a->reg != NREG) snprint(str+strlen(str), sizeof(str)-strlen(str), "(R%d)", a->reg); break; case D_OREG: if(a->reg != NREG) snprint(str, sizeof str, "%N(R%d)", a, a->reg); else snprint(str, sizeof str, "%N", a); break; case D_REGREG: snprint(str, sizeof str, "(R%d,R%d)", a->reg, (char)a->offset); break; case D_REG: snprint(str, sizeof str, "R%d", a->reg); if(a->name != D_NONE || a->sym != S) snprint(str, sizeof str, "%N(R%d)(REG)", a, a->reg); break; case D_FREG: snprint(str, sizeof str, "F%d", a->reg); if(a->name != D_NONE || a->sym != S) snprint(str, sizeof str, "%N(R%d)(REG)", a, a->reg); break; case D_PSR: snprint(str, sizeof str, "PSR"); if(a->name != D_NONE || a->sym != S) snprint(str, sizeof str, "%N(PSR)(REG)", a); break; case D_BRANCH: snprint(str, sizeof str, "%ld(PC)", a->offset-pc); break; case D_FCONST: snprint(str, sizeof str, "$%.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]; 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; memset(str, 0, sizeof str); for(i=0; i<NREG; i++) { if(v & (1<<i)) { if(str[0] == 0) strncat(str, "[R", sizeof str - 1); else strncat(str, ",R", sizeof str - 1); snprint(str+strlen(str), sizeof(str)-strlen(str), "%d", i); } } strncat(str, "]", sizeof str - 1); } 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); }