ref: fe1f6c1b3d571ba6ea4726e175f62689901719a4
dir: /sys/src/cmd/7c/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;
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), "$%lld", var[i].offset);
s = ss;
} else
s = var[i].sym->name;
if(strlen(str) + strlen(s) + 1 >= STRINGSZ)
break;
strcat(str, s);
bits.b[i/32] &= ~(1L << (i%32));
}
return fmtstrcpy(fp, str);
}
static char *conds[] = {
".EQ", ".NE", ".CS", ".CC",
".MI", ".PL", ".VS", ".VC",
".HI", ".LS", ".GE", ".LT",
".GT", ".LE", "", ".NV",
};
int
Pconv(Fmt *fp)
{
char str[STRINGSZ];
Prog *p;
int a;
p = va_arg(fp->args, Prog*);
a = p->as;
if(a == ADATA)
snprint(str, sizeof(str), " %A %D/%d,%D", a, &p->from, p->reg, &p->to);
else
if(p->as == ATEXT)
snprint(str, sizeof(str), " %A %D,%d,%D", a, &p->from, p->reg, &p->to);
else
if(p->reg == NREG)
snprint(str, sizeof(str), " %A %D,%D", a, &p->from, &p->to);
else
if(p->from.type != D_FREG)
snprint(str, sizeof(str), " %A %D,R%d,%D", a, &p->from, p->reg, &p->to);
else
snprint(str, sizeof(str), " %A %D,F%d,%D", a, &p->from, p->reg, &p->to);
return fmtstrcpy(fp, str);
}
int
Aconv(Fmt *fp)
{
char *s;
int a;
a = va_arg(fp->args, int);
s = "???";
if(a >= AXXX && a < ALAST)
s = anames[a];
return fmtstrcpy(fp, s);
}
int
Dconv(Fmt *fp)
{
char str[STRINGSZ];
Adr *a;
char *op;
int v;
static char *extop[] = {".UB", ".UH", ".UW", ".UX", ".SB", ".SH", ".SW", ".SX"};
a = va_arg(fp->args, Adr*);
switch(a->type) {
default:
snprint(str, sizeof(str), "GOK-type(%d)", a->type);
break;
case D_NONE:
str[0] = 0;
if(a->name != D_NONE || a->reg != NREG || a->sym != S)
snprint(str, sizeof(str), "%N(R%d)(NONE)", a, a->reg);
break;
case D_CONST:
if(a->reg != NREG)
snprint(str, sizeof(str), "$%N(R%d)", a, a->reg);
else
snprint(str, sizeof(str), "$%N", a);
break;
case D_SHIFT:
v = a->offset;
op = "<<>>->@>" + (((v>>5) & 3) << 1);
if(v & (1<<4))
snprint(str, sizeof(str), "R%d%c%cR%d", v&15, op[0], op[1], (v>>8)&15);
else
snprint(str, sizeof(str), "R%d%c%c%d", v&15, op[0], op[1], (v>>7)&31);
if(a->reg != NREG)
sprint(str+strlen(str), "(R%d)", a->reg);
break;
case D_OREG:
if(a->reg != NREG)
snprint(str, sizeof(str), "%N(R%d)", a, a->reg);
else
snprint(str, sizeof(str), "%N", a);
break;
case D_XPRE:
if(a->reg != NREG)
snprint(str, sizeof(str), "%N(R%d)!", a, a->reg);
else
snprint(str, sizeof(str), "%N!", a);
break;
case D_XPOST:
if(a->reg != NREG)
snprint(str, sizeof(str), "(R%d)%N!", a->reg, a);
else
snprint(str, sizeof(str), "%N!", a);
break;
case D_EXTREG:
v = a->offset;
if(v & (7<<10))
snprint(str, sizeof(str), "R%d%s<<%d", (v>>16)&31, extop[(v>>13)&7], (v>>10)&7);
else
snprint(str, sizeof(str), "R%d%s", (v>>16)&31, extop[(v>>13)&7]);
break;
case D_REG:
snprint(str, sizeof(str), "R%d", a->reg);
if(a->name != D_NONE || a->sym != S)
snprint(str, sizeof(str), "%N(R%d)(REG)", a, a->reg);
break;
case D_SP:
if(a->name != D_NONE || a->sym != S)
snprint(str, sizeof(str), "%N(R%d)(REG)", a, a->reg);
else
strcpy(str, "SP");
break;
case D_FREG:
snprint(str, sizeof(str), "F%d", a->reg);
if(a->name != D_NONE || a->sym != S)
snprint(str, sizeof(str), "%N(R%d)(REG)", a, a->reg);
break;
case D_SPR:
switch((ulong)a->offset){
case D_FPSR:
sprint(str, "FPSR");
break;
case D_FPCR:
sprint(str, "FPCR");
break;
case D_NZCV:
sprint(str, "NZCV");
break;
default:
sprint(str, "SPR(%#llux)", a->offset);
break;
}
if(a->name != D_NONE || a->sym != S)
snprint(str, sizeof(str), "%N(SPR(%lld))(REG)", a, a->offset);
break;
case D_BRANCH:
snprint(str, sizeof(str), "%lld(PC)", a->offset-pc);
break;
case D_FCONST:
snprint(str, sizeof(str), "$%.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), "%lld", 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), "%lld", a->offset);
break;
case D_EXTERN:
snprint(str, sizeof(str), "%s+%lld(SB)", s->name, a->offset);
break;
case D_STATIC:
snprint(str, sizeof(str), "%s<>+%lld(SB)", s->name, a->offset);
break;
case D_AUTO:
snprint(str, sizeof(str), "%s-%lld(SP)", s->name, -a->offset);
break;
case D_PARAM:
snprint(str, sizeof(str), "%s+%lld(FP)", s->name, a->offset);
break;
}
out:
return fmtstrcpy(fp, str);
}