ref: c96efcfef35fc8be3e510d134cf65e9a8204f7d0
dir: /sys/src/cmd/ql/list.c/
#include "l.h"
void
listinit(void)
{
fmtinstall('A', Aconv);
fmtinstall('D', Dconv);
fmtinstall('P', Pconv);
fmtinstall('S', Sconv);
fmtinstall('N', Nconv);
fmtinstall('R', Rconv);
}
void
prasm(Prog *p)
{
print("%P\n", p);
}
int
Pconv(Fmt *fp)
{
char str[STRINGSZ];
Prog *p;
int a;
p = va_arg(fp->args, Prog*);
curp = p;
a = p->as;
if(a == ADATA || a == AINIT || a == ADYNT)
snprint(str, sizeof str, "(%d) %A %D/%d,%D", p->line, a, &p->from, p->reg, &p->to);
else {
if(p->reg == NREG && p->from3.type == D_NONE)
snprint(str, sizeof str, "%s(%d) %A %D,%D",
p->mark & NOSCHED ? "*" : "", p->line, a,
&p->from, &p->to);
else
if(a != ATEXT && p->from.type == D_OREG) {
snprint(str, sizeof str, "%s(%d) %A %ld(R%d+R%d),%D",
p->mark & NOSCHED ? "*" : "", p->line, a,
p->from.offset, p->from.reg, p->reg, &p->to);
} else
if(p->to.type == D_OREG) {
snprint(str, sizeof str, "%s(%d) %A %D,%ld(R%d+R%d)",
p->mark & NOSCHED ? "*" : "", p->line, a,
&p->from, p->to.offset, p->to.reg, p->reg);
} else {
snprint(str, sizeof str, "%s(%d) %A %D",
p->mark & NOSCHED ? "*" : "", p->line, a,
&p->from);
if(p->reg != NREG)
snprint(str + strlen(str), sizeof(str) - strlen(str),
",%c%d", p->from.type==D_FREG?'F':'R', p->reg);
if(p->from3.type != D_NONE)
snprint(str + strlen(str), sizeof(str) - strlen(str),
",%D", &p->from3);
snprint(str + strlen(str), sizeof(str) - strlen(str),
",%D", &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;
long 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_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_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(F%d)(REG)", a, a->reg);
break;
case D_CREG:
if(a->reg == NREG)
strcpy(str, "CR");
else
snprint(str, sizeof str, "CR%d", a->reg);
if(a->name != D_NONE || a->sym != S)
snprint(str, sizeof str, "%N(C%d)(REG)", a, a->reg);
break;
case D_SPR:
if(a->name == D_NONE && a->sym == S) {
switch(a->offset) {
case D_XER: snprint(str, sizeof str, "XER"); break;
case D_LR: snprint(str, sizeof str, "LR"); break;
case D_CTR: snprint(str, sizeof str, "CTR"); break;
default: snprint(str, sizeof str, "SPR(%ld)", a->offset); break;
}
break;
}
snprint(str, sizeof str, "SPR-GOK(%d)", a->reg);
if(a->name != D_NONE || a->sym != S)
snprint(str, sizeof str, "%N(SPR-GOK%d)(REG)", a, a->reg);
break;
case D_DCR:
if(a->name == D_NONE && a->sym == S) {
if(a->reg == NREG)
snprint(str, sizeof str, "DCR(%ld)", a->offset);
else
snprint(str, sizeof str, "DCR(R%d)", a->reg);
break;
}
snprint(str, sizeof str, "DCR-GOK(%d)", a->reg);
if(a->name != D_NONE || a->sym != S)
snprint(str, sizeof str, "%N(DCR-GOK%d)(REG)", a, a->reg);
break;
case D_OPT:
snprint(str, sizeof str, "OPT(%d)", a->reg);
break;
case D_FPSCR:
if(a->reg == NREG)
strcpy(str, "FPSCR");
else
snprint(str, sizeof str, "FPSCR(%d)", a->reg);
break;
case D_MSR:
snprint(str, sizeof str, "MSR");
break;
case D_SREG:
snprint(str, sizeof str, "SREG(%d)", a->reg);
if(a->name != D_NONE || a->sym != S)
snprint(str, sizeof str, "%N(SREG%d)(REG)", a, a->reg);
break;
case D_BRANCH:
if(curp->cond != P) {
v = curp->cond->pc;
if(v >= INITTEXT)
v -= INITTEXT-HEADR;
if(a->sym != S)
snprint(str, sizeof str, "%s+%.5lux(BRANCH)", a->sym->name, v);
else
snprint(str, sizeof str, "%.5lux(BRANCH)", v);
} else
if(a->sym != S)
snprint(str, sizeof str, "%s+%ld(APC)", a->sym->name, a->offset);
else
snprint(str, sizeof str, "%ld(APC)", a->offset);
break;
case D_FCONST:
snprint(str, sizeof str, "$%lux-%lux", a->ieee.h, a->ieee.l);
break;
case D_SCONST:
snprint(str, sizeof str, "$\"%S\"", a->sval);
break;
}
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_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);
}
int
Rconv(Fmt *fp)
{
char *s;
int a;
a = va_arg(fp->args, int);
s = "C_??";
if(a >= C_NONE && a <= C_NCLASS)
s = cnames[a];
return fmtstrcpy(fp, s);
}
int
Sconv(Fmt *fp)
{
int i, c;
char str[STRINGSZ], *p, *a;
a = va_arg(fp->args, char*);
p = str;
for(i=0; i<sizeof(long); 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;
}
*p++ = (c>>6) + '0';
*p++ = ((c>>3) & 7) + '0';
*p++ = (c & 7) + '0';
}
*p = 0;
return fmtstrcpy(fp, str);
}
void
diag(char *fmt, ...)
{
char buf[STRINGSZ], *tn;
va_list arg;
tn = "??none??";
if(curtext != P && curtext->from.sym != S)
tn = curtext->from.sym->name;
va_start(arg, fmt);
vseprint(buf, buf+sizeof(buf), fmt, arg);
va_end(arg);
print("%s: %s\n", tn, buf);
nerrors++;
if(nerrors > 10) {
print("too many errors\n");
errorexit();
}
}