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// Inferno utils/5c/list.c
// http://code.google.com/p/inferno-os/source/browse/utils/5c/list.c
//
// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
// Portions Copyright © 1997-1999 Vita Nuova Limited
// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
// Portions Copyright © 2004,2006 Bruce Ellis
// Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
// Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
// Portions Copyright © 2009 The Go Authors. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#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) {
sprint(ss, "$%d", var[i].offset);
s = ss;
} else
s = var[i].sym->name;
if(strlen(str) + strlen(s) + 1 >= STRINGSZ)
break;
strcat(str, s);
bits.b[i/32] &= ~(1L << (i%32));
}
return fmtstrcpy(fp, str);
}
char *extra [] = {
".EQ", ".NE", ".CS", ".CC",
".MI", ".PL", ".VS", ".VC",
".HI", ".LS", ".GE", ".LT",
".GT", ".LE", "", ".NV",
};
int
Pconv(Fmt *fp)
{
char str[STRINGSZ], sc[20];
Prog *p;
int a, s;
p = va_arg(fp->args, Prog*);
a = p->as;
s = p->scond;
strcpy(sc, extra[s & C_SCOND]);
if(s & C_SBIT)
strcat(sc, ".S");
if(s & C_PBIT)
strcat(sc, ".P");
if(s & C_WBIT)
strcat(sc, ".W");
if(s & C_UBIT) /* ambiguous with FBIT */
strcat(sc, ".U");
if(a == AMOVM) {
if(p->from.type == D_CONST)
sprint(str, " %A%s %R,%D", a, sc, &p->from, &p->to);
else
if(p->to.type == D_CONST)
sprint(str, " %A%s %D,%R", a, sc, &p->from, &p->to);
else
sprint(str, " %A%s %D,%D", a, sc, &p->from, &p->to);
} else
if(a == ADATA)
sprint(str, " %A %D/%d,%D", a, &p->from, p->reg, &p->to);
else
if(p->as == ATEXT)
sprint(str, " %A %D,%d,%D", a, &p->from, p->reg, &p->to);
else
if(p->reg == NREG)
sprint(str, " %A%s %D,%D", a, sc, &p->from, &p->to);
else
if(p->from.type != D_FREG)
sprint(str, " %A%s %D,R%d,%D", a, sc, &p->from, p->reg, &p->to);
else
sprint(str, " %A%s %D,F%d,%D", a, sc, &p->from, p->reg, &p->to);
return fmtstrcpy(fp, str);
}
int
Aconv(Fmt *fp)
{
char *s;
int a;
a = va_arg(fp->args, int);
s = "???";
if(a >= AXXX && a < ALAST)
s = anames[a];
return fmtstrcpy(fp, s);
}
int
Dconv(Fmt *fp)
{
char str[STRINGSZ];
Adr *a;
const char *op;
int v;
a = va_arg(fp->args, Adr*);
switch(a->type) {
default:
sprint(str, "GOK-type(%d)", a->type);
break;
case D_NONE:
str[0] = 0;
if(a->name != D_NONE || a->reg != NREG || a->sym != S)
sprint(str, "%N(R%d)(NONE)", a, a->reg);
break;
case D_CONST:
if(a->reg != NREG)
sprint(str, "$%N(R%d)", a, a->reg);
else
sprint(str, "$%N", a);
break;
case D_CONST2:
sprint(str, "$%d-%d", a->offset, a->offset2);
break;
case D_SHIFT:
v = a->offset;
op = &"<<>>->@>"[(((v>>5) & 3) << 1)];
if(v & (1<<4))
sprint(str, "R%d%c%cR%d", v&15, op[0], op[1], (v>>8)&15);
else
sprint(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)
sprint(str, "%N(R%d)", a, a->reg);
else
sprint(str, "%N", a);
break;
case D_REG:
sprint(str, "R%d", a->reg);
if(a->name != D_NONE || a->sym != S)
sprint(str, "%N(R%d)(REG)", a, a->reg);
break;
case D_FREG:
sprint(str, "F%d", a->reg);
if(a->name != D_NONE || a->sym != S)
sprint(str, "%N(R%d)(REG)", a, a->reg);
break;
case D_PSR:
sprint(str, "PSR");
if(a->name != D_NONE || a->sym != S)
sprint(str, "%N(PSR)(REG)", a);
break;
case D_BRANCH:
sprint(str, "%d(PC)", a->offset-pc);
break;
case D_FCONST:
sprint(str, "$%.17e", a->dval);
break;
case D_SCONST:
sprint(str, "$\"%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*);
sprint(str, "GOK-reglist");
switch(a->type) {
case D_CONST:
case D_CONST2:
if(a->reg != NREG)
break;
if(a->sym != S)
break;
v = a->offset;
strcpy(str, "");
for(i=0; i<NREG; i++) {
if(v & (1<<i)) {
if(str[0] == 0)
strcat(str, "[R");
else
strcat(str, ",R");
sprint(strchr(str, 0), "%d", i);
}
}
strcat(str, "]");
}
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) {
sprint(str, "%d", a->offset);
goto out;
}
switch(a->name) {
default:
sprint(str, "GOK-name(%d)", a->name);
break;
case D_NONE:
sprint(str, "%d", a->offset);
break;
case D_EXTERN:
sprint(str, "%s+%d(SB)", s->name, a->offset);
break;
case D_STATIC:
sprint(str, "%s<>+%d(SB)", s->name, a->offset);
break;
case D_AUTO:
sprint(str, "%s-%d(SP)", s->name, -a->offset);
break;
case D_PARAM:
sprint(str, "%s+%d(FP)", s->name, a->offset);
break;
}
out:
return fmtstrcpy(fp, str);
}