ref: a2c0e55e6885fde0d135831a77d227bc933d89e7
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);
}