ref: dfb4b522830edab8f3856289d326d6cf5e930644
dir: /sys/src/cmd/2c/list.c/
#define EXTERN
#include "gc.h"
void
listinit(void)
{
fmtinstall('R', Rconv);
fmtinstall('A', Aconv);
fmtinstall('D', Dconv);
fmtinstall('P', Pconv);
fmtinstall('S', Sconv);
fmtinstall('X', Xconv);
fmtinstall('B', Bconv);
}
static Index
indexv(int i, int j)
{
Index x;
x.o0 = i;
x.o1 = j;
return x;
}
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, "$%ld ", var[i].offset);
else
fmtprint(fp, "%s ", var[i].sym->name);
}
return 0;
}
int
Pconv(Fmt *fp)
{
char str[STRINGSZ];
Prog *p;
p = va_arg(fp->args, Prog*);
snprint(str, sizeof str, " %A %D,%D", p->as, &p->from, &p->to);
if(p->from.field)
return fmtprint(fp, "%s,%d,%d", str, p->to.field, p->from.field);
return fmtstrcpy(fp, str);
}
int
Aconv(Fmt *fp)
{
int r;
r = va_arg(fp->args, int);
return fmtstrcpy(fp, anames[r]);
}
int
Xconv(Fmt *fp)
{
char str[20];
Index x;
int i, j;
x = va_arg(fp->args, Index);
str[0] = 0;
i = x.o0 & D_MASK;
if(i != D_NONE){
j = x.o1;
return fmtprint(fp, "(%R.%c*%c)", i, "WWWWLLLL"[j], "12481248"[j]);
}
return fmtstrcpy(fp, str);
}
int
Dconv(Fmt *fp)
{
char str[40];
Adr *a;
int i, j;
long d;
a = va_arg(fp->args, Adr*);
i = a->index;
if(i != D_NONE) {
a->index = D_NONE;
d = a->displace;
j = a->scale;
a->displace = 0;
switch(i & I_MASK) {
default:
snprint(str, sizeof str, "???%ld(%D%X)", d, a, indexv(i, j));
break;
case I_INDEX1:
snprint(str, sizeof str, "%D%X", a, indexv(i, a->scale));
break;
case I_INDEX2:
if(d)
snprint(str, sizeof str, "%ld(%D)%X", d, a, indexv(i, j));
else
snprint(str, sizeof str, "(%D)%X", a, indexv(i, j));
break;
case I_INDEX3:
if(d)
snprint(str, sizeof str, "%ld(%D%X)", d, a, indexv(i, j));
else
snprint(str, sizeof str, "(%D%X)", a, indexv(i, j));
break;
}
a->displace = d;
a->index = i;
goto out;
}
i = a->type;
j = i & I_MASK;
if(j) {
a->type = i & D_MASK;
d = a->offset;
a->offset = 0;
switch(j) {
case I_INDINC:
snprint(str, sizeof str, "(%D)+", a);
break;
case I_INDDEC:
snprint(str, sizeof str, "-(%D)", a);
break;
case I_INDIR:
if(a->type == D_CONST)
snprint(str, sizeof str, "%ld", d);
else
if(d)
snprint(str, sizeof str, "%ld(%D)", d, a);
else
snprint(str, sizeof str, "(%D)", a);
break;
case I_ADDR:
a->offset = d;
snprint(str, sizeof str, "$%D", a);
break;
}
a->type = i;
a->offset = d;
goto out;
}
switch(i) {
default:
snprint(str, sizeof str, "%R", i);
break;
case D_NONE:
str[0] = 0;
break;
case D_BRANCH:
snprint(str, sizeof str, "%ld(PC)", a->offset-pc);
break;
case D_EXTERN:
snprint(str, sizeof str, "%s+%ld(SB)", a->sym->name, a->offset);
break;
case D_STATIC:
snprint(str, sizeof str, "%s<>+%ld(SB)", a->sym->name, a->offset);
break;
case D_AUTO:
snprint(str, sizeof str, "%s-%ld(SP)", a->sym->name, -a->offset);
break;
case D_PARAM:
snprint(str, sizeof str, "%s+%ld(FP)", a->sym->name, a->offset);
break;
case D_CONST:
snprint(str, sizeof str, "$%ld", a->offset);
break;
case D_STACK:
snprint(str, sizeof str, "TOS+%ld", a->offset);
break;
case D_FCONST:
snprint(str, sizeof str, "$%.17e", a->dval);
goto out;
case D_SCONST:
snprint(str, sizeof str, "$\"%S\"", a->sval);
goto out;
}
if(a->displace)
return fmtprint(fp, "%s/%ld", str, a->displace);
out:
return fmtstrcpy(fp, str);
}
int
Rconv(Fmt *fp)
{
char str[20];
int r;
r = va_arg(fp->args, int);
if(r >= D_R0 && r < D_R0+NREG)
snprint(str, sizeof str, "R%d", r-D_R0);
else
if(r >= D_A0 && r < D_A0+NREG)
snprint(str, sizeof str, "A%d", r-D_A0);
else
if(r >= D_F0 && r < D_F0+NREG)
snprint(str, sizeof str, "F%d", r-D_F0);
else
switch(r) {
default:
snprint(str, sizeof str, "gok(%d)", r);
break;
case D_NONE:
snprint(str, sizeof str, "NONE");
break;
case D_TOS:
snprint(str, sizeof str, "TOS");
break;
case D_CCR:
snprint(str, sizeof str, "CCR");
break;
case D_SR:
snprint(str, sizeof str, "SR");
break;
case D_SFC:
snprint(str, sizeof str, "SFC");
break;
case D_DFC:
snprint(str, sizeof str, "DFC");
break;
case D_CACR:
snprint(str, sizeof str, "CACR");
break;
case D_USP:
snprint(str, sizeof str, "USP");
break;
case D_VBR:
snprint(str, sizeof str, "VBR");
break;
case D_CAAR:
snprint(str, sizeof str, "CAAR");
break;
case D_MSP:
snprint(str, sizeof str, "MSP");
break;
case D_ISP:
snprint(str, sizeof str, "ISP");
break;
case D_TREE:
snprint(str, sizeof str, "TREE");
break;
case D_FPCR:
snprint(str, sizeof str, "FPCR");
break;
case D_FPSR:
snprint(str, sizeof str, "FPSR");
break;
case D_FPIAR:
snprint(str, sizeof str, "FPIAR");
break;
case D_TC:
snprint(str, sizeof str, "TC");
break;
case D_ITT0:
snprint(str, sizeof str, "ITT0");
break;
case D_ITT1:
snprint(str, sizeof str, "ITT1");
break;
case D_DTT0:
snprint(str, sizeof str, "DTT0");
break;
case D_DTT1:
snprint(str, sizeof str, "DTT1");
break;
case D_MMUSR:
snprint(str, sizeof str, "MMUSR");
break;
case D_URP:
snprint(str, sizeof str, "URP");
break;
case D_SRP:
snprint(str, sizeof str, "SRP");
break;
}
return fmtstrcpy(fp, str);
}
int
Sconv(Fmt *fp)
{
int i, c;
char str[30], *p, *s;
s = va_arg(fp->args, char*);
p = str;
for(i=0; i<sizeof(double); i++) {
c = s[i] & 0xff;
if(c != '\\' && c != '"' && isprint(c)) {
*p++ = c;
continue;
}
*p++ = '\\';
switch(c) {
case 0:
*p++ = '0';
continue;
case '\\':
case '"':
*p++ = c;
continue;
case '\n':
*p++ = 'n';
continue;
case '\t':
*p++ = 't';
continue;
}
*p++ = ((c>>6) & 7) + '0';
*p++ = ((c>>3) & 7) + '0';
*p++ = ((c>>0) & 7) + '0';
}
*p = 0;
return fmtstrcpy(fp, str);
}