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// Derived from 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.
#include "gg.h"
// TODO(kaib): make 5g/list.c congruent with 5l/list.c
static int sconsize;
void
listinit(void)
{
fmtinstall('A', Aconv); // as
fmtinstall('C', Cconv); // conditional execution bit
fmtinstall('P', Pconv); // Prog*
fmtinstall('D', Dconv); // Addr*
fmtinstall('Y', Yconv); // sconst
fmtinstall('R', Rconv); // register
fmtinstall('M', Mconv); // names
}
int
Pconv(Fmt *fp)
{
char str[STRINGSZ], str1[STRINGSZ];
Prog *p;
p = va_arg(fp->args, Prog*);
sconsize = 8;
switch(p->as) {
default:
snprint(str1, sizeof(str1), "%A%C", p->as, p->scond);
if(p->reg == NREG)
snprint(str, sizeof(str), "%.4d (%L) %-7s %D,%D",
p->loc, p->lineno, str1, &p->from, &p->to);
else
if (p->from.type != D_FREG) {
snprint(str, sizeof(str), "%.4d (%L) %-7s %D,R%d,%D",
p->loc, p->lineno, str1, &p->from, p->reg, &p->to);
} else
snprint(str, sizeof(str), "%.4d (%L) %-7A%C %D,F%d,%D",
p->loc, p->lineno, p->as, p->scond, &p->from, p->reg, &p->to);
break;
case ADATA:
snprint(str, sizeof(str), "%.4d (%L) %-7A %D/%d,%D",
p->loc, p->lineno, p->as, &p->from, p->reg, &p->to);
break;
}
return fmtstrcpy(fp, str);
}
int
Dconv(Fmt *fp)
{
char str[STRINGSZ];
char *op;
Addr *a;
int i;
int32 v;
a = va_arg(fp->args, Addr*);
if(a == A) {
sprint(str, "<nil>");
goto conv;
}
i = a->type;
switch(i) {
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, "%M(R%d)(NONE)", a, a->reg);
break;
case D_CONST:
if(a->reg != NREG)
sprint(str, "$%M(R%d)", a, a->reg);
else
sprint(str, "$%M", a);
break;
case D_CONST2:
sprint(str, "$%d-%d", a->offset, a->offset2);
break;
case D_SHIFT:
v = a->offset;
op = "<<>>->@>" + (((v>>5) & 3) << 1);
if(v & (1<<4))
sprint(str, "R%d%c%cR%d", v&15, op[0], op[1], (v>>8)&15);
else
sprint(str, "R%d%c%c%d", v&15, op[0], op[1], (v>>7)&31);
if(a->reg != NREG)
sprint(str+strlen(str), "(R%d)", a->reg);
break;
case D_OCONST:
sprint(str, "$*$%M", a);
if(a->reg != NREG)
sprint(str, "%M(R%d)(CONST)", a, a->reg);
break;
case D_OREG:
if(a->reg != NREG)
sprint(str, "%M(R%d)", a, a->reg);
else
sprint(str, "%M", a);
break;
case D_REG:
sprint(str, "R%d", a->reg);
if(a->name != D_NONE || a->sym != S)
sprint(str, "%M(R%d)(REG)", a, a->reg);
break;
case D_REGREG:
sprint(str, "(R%d,R%d)", a->reg, (int)a->offset);
if(a->name != D_NONE || a->sym != S)
sprint(str, "%M(R%d)(REG)", a, a->reg);
break;
case D_FREG:
sprint(str, "F%d", a->reg);
if(a->name != D_NONE || a->sym != S)
sprint(str, "%M(R%d)(REG)", a, a->reg);
break;
case D_BRANCH:
if(a->branch == P || a->branch->loc == 0) {
if(a->sym != S)
sprint(str, "%s+%d(APC)", a->sym->name, a->offset);
else
sprint(str, "%d(APC)", a->offset);
} else
if(a->sym != S)
sprint(str, "%s+%d(APC)", a->sym->name, a->branch->loc);
else
sprint(str, "%d(APC)", a->branch->loc);
break;
case D_FCONST:
snprint(str, sizeof(str), "$(%.17e)", a->dval);
break;
case D_SCONST:
snprint(str, sizeof(str), "$\"%Y\"", a->sval);
break;
// TODO(kaib): Add back
// case D_ADDR:
// a->type = a->index;
// a->index = D_NONE;
// snprint(str, sizeof(str), "$%D", a);
// a->index = a->type;
// a->type = D_ADDR;
// goto conv;
}
conv:
return fmtstrcpy(fp, str);
}
int
Aconv(Fmt *fp)
{
int i;
i = va_arg(fp->args, int);
return fmtstrcpy(fp, anames[i]);
}
char* strcond[16] =
{
".EQ",
".NE",
".HS",
".LO",
".MI",
".PL",
".VS",
".VC",
".HI",
".LS",
".GE",
".LT",
".GT",
".LE",
"",
".NV"
};
int
Cconv(Fmt *fp)
{
char s[STRINGSZ];
int c;
c = va_arg(fp->args, int);
strcpy(s, strcond[c & C_SCOND]);
if(c & C_SBIT)
strcat(s, ".S");
if(c & C_PBIT)
strcat(s, ".P");
if(c & C_WBIT)
strcat(s, ".W");
if(c & C_UBIT) /* ambiguous with FBIT */
strcat(s, ".U");
return fmtstrcpy(fp, s);
}
int
Yconv(Fmt *fp)
{
int i, c;
char str[STRINGSZ], *p, *a;
a = va_arg(fp->args, char*);
p = str;
for(i=0; i<sconsize; 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);
}
int
Rconv(Fmt *fp)
{
int r;
char str[STRINGSZ];
r = va_arg(fp->args, int);
snprint(str, sizeof(str), "R%d", r);
return fmtstrcpy(fp, str);
}
int
Mconv(Fmt *fp)
{
char str[STRINGSZ];
Addr *a;
a = va_arg(fp->args, Addr*);
switch(a->name) {
default:
snprint(str, sizeof(str), "GOK-name(%d)", a->name);
break;
case D_NONE:
snprint(str, sizeof(str), "%d", a->offset);
break;
case D_EXTERN:
snprint(str, sizeof(str), "%S+%d(SB)", a->sym, a->offset);
break;
case D_STATIC:
snprint(str, sizeof(str), "%S<>+%d(SB)", a->sym, a->offset);
break;
case D_AUTO:
snprint(str, sizeof(str), "%S+%d(SP)", a->sym, a->offset);
break;
case D_PARAM:
snprint(str, sizeof(str), "%S+%d(FP)", a->sym, a->offset);
break;
}
return fmtstrcpy(fp, str);
}