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#define EXTERN
#include "gc.h"
void
listinit(void)
{
fmtinstall('A', Aconv);
fmtinstall('B', Bconv);
fmtinstall('P', Pconv);
fmtinstall('S', Sconv);
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, "$%ld ", var[i].offset);
else
fmtprint(fp, "%s ", var[i].sym->name);
}
return 0;
}
int
Pconv(Fmt *fp)
{
char str[STRINGSZ];
Prog *p;
p = va_arg(fp->args, Prog*);
if(p->as == ADATA)
snprint(str, sizeof(str), " %A %D/%d,%D",
p->as, &p->from, p->from.scale, &p->to);
else if(p->as == ATEXT)
snprint(str, sizeof(str), " %A %D,%d,%D",
p->as, &p->from, p->from.scale, &p->to);
else
snprint(str, sizeof(str), " %A %D,%D",
p->as, &p->from, &p->to);
return fmtstrcpy(fp, str);
}
int
Aconv(Fmt *fp)
{
int i;
i = va_arg(fp->args, int);
return fmtstrcpy(fp, anames[i]);
}
int
Dconv(Fmt *fp)
{
char str[40];
Adr *a;
int i;
a = va_arg(fp->args, Adr*);
i = a->type;
if(i >= D_INDIR) {
if(a->offset)
snprint(str, sizeof(str), "%ld(%R)", a->offset, i-D_INDIR);
else
snprint(str, sizeof(str), "(%R)", i-D_INDIR);
goto brk;
}
switch(i) {
default:
if(a->offset)
snprint(str, sizeof(str), "$%ld,%R", a->offset, i);
else
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:
if(a->sym)
snprint(str, sizeof(str), "%s+%ld(FP)", a->sym->name, a->offset);
else
snprint(str, sizeof(str), "%ld(FP)", a->offset);
break;
case D_CONST:
snprint(str, sizeof(str), "$%ld", a->offset);
break;
case D_FCONST:
snprint(str, sizeof(str), "$(%.17e)", a->dval);
break;
case D_SCONST:
snprint(str, sizeof(str), "$\"%S\"", a->sval);
break;
case D_ADDR:
a->type = a->index;
a->index = D_NONE;
snprint(str, sizeof(str), "$%D", a);
a->index = a->type;
a->type = D_ADDR;
goto conv;
}
brk:
if(a->index != D_NONE)
return fmtprint(fp, "%s(%R*%d)", str, (int)a->index, (int)a->scale);
conv:
return fmtstrcpy(fp, str);
}
char* regstr[] =
{
"AL", /*[D_AL]*/
"CL",
"DL",
"BL",
"AH",
"CH",
"DH",
"BH",
"AX", /*[D_AX]*/
"CX",
"DX",
"BX",
"SP",
"BP",
"SI",
"DI",
"F0", /*[D_F0]*/
"F1",
"F2",
"F3",
"F4",
"F5",
"F6",
"F7",
"CS", /*[D_CS]*/
"SS",
"DS",
"ES",
"FS",
"GS",
"GDTR", /*[D_GDTR]*/
"IDTR", /*[D_IDTR]*/
"LDTR", /*[D_LDTR]*/
"MSW", /*[D_MSW] */
"TASK", /*[D_TASK]*/
"CR0", /*[D_CR]*/
"CR1",
"CR2",
"CR3",
"CR4",
"CR5",
"CR6",
"CR7",
"DR0", /*[D_DR]*/
"DR1",
"DR2",
"DR3",
"DR4",
"DR5",
"DR6",
"DR7",
"TR0", /*[D_TR]*/
"TR1",
"TR2",
"TR3",
"TR4",
"TR5",
"TR6",
"TR7",
"NONE", /*[D_NONE]*/
};
int
Rconv(Fmt *fp)
{
char str[20];
int r;
r = va_arg(fp->args, int);
if(r >= D_AL && r <= D_NONE)
snprint(str, sizeof(str), "%s", regstr[r-D_AL]);
else
snprint(str, sizeof(str), "gok(%d)", r);
return fmtstrcpy(fp, str);
}
int
Sconv(Fmt *fp)
{
int i, c;
char str[30], *p, *a;
a = va_arg(fp->args, char*);
p = str;
for(i=0; i<sizeof(double); i++) {
c = a[i] & 0xff;
if(c >= 'a' && c <= 'z' ||
c >= 'A' && c <= 'Z' ||
c >= '0' && c <= '9') {
*p++ = c;
continue;
}
*p++ = '\\';
switch(c) {
default:
if(c < 040 || c >= 0177)
break; /* not portable */
p[-1] = c;
continue;
case 0:
*p++ = 'z';
continue;
case '\\':
case '"':
*p++ = c;
continue;
case '\n':
*p++ = 'n';
continue;
case '\t':
*p++ = 't';
continue;
}
*p++ = (c>>6) + '0';
*p++ = ((c>>3) & 7) + '0';
*p++ = (c & 7) + '0';
}
*p = 0;
return fmtstrcpy(fp, str);
}
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