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// Inferno utils/5l/list.h
// http://code.google.com/p/inferno-os/source/browse/utils/5l/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.
// Printing.
#include "l.h"
#include "../ld/lib.h"
void
listinit(void)
{
fmtinstall('A', Aconv);
fmtinstall('C', Cconv);
fmtinstall('D', Dconv);
fmtinstall('P', Pconv);
fmtinstall('S', Sconv);
fmtinstall('N', Nconv);
fmtinstall('O', Oconv); // C_type constants
fmtinstall('I', Iconv);
}
void
prasm(Prog *p)
{
print("%P\n", p);
}
int
Pconv(Fmt *fp)
{
Prog *p;
int a;
p = va_arg(fp->args, Prog*);
curp = p;
a = p->as;
switch(a) {
default:
fmtprint(fp, "(%d)", p->line);
if(p->reg == NREG && p->as != AGLOBL)
fmtprint(fp, " %A%C %D,%D",
a, p->scond, &p->from, &p->to);
else
if(p->from.type != D_FREG)
fmtprint(fp, " %A%C %D,R%d,%D",
a, p->scond, &p->from, p->reg, &p->to);
else
fmtprint(fp, " %A%C %D,F%d,%D",
a, p->scond, &p->from, p->reg, &p->to);
break;
case ASWPW:
case ASWPBU:
fmtprint(fp, "(%d) %A%C R%d,%D,%D",
p->line, a, p->scond, p->reg, &p->from, &p->to);
break;
case ADATA:
case AINIT_:
case ADYNT_:
fmtprint(fp, "(%d) %A%C %D/%d,%D",
p->line, a, p->scond, &p->from, p->reg, &p->to);
break;
case AWORD:
fmtprint(fp, "(%d) WORD %D", p->line, &p->to);
break;
case ADWORD:
fmtprint(fp, "(%d) DWORD %D %D", p->line, &p->from, &p->to);
break;
}
if(p->spadj)
fmtprint(fp, " (spadj%+d)", p->spadj);
return 0;
}
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);
}
char* strcond[16] =
{
".EQ",
".NE",
".HS",
".LO",
".MI",
".PL",
".VS",
".VC",
".HI",
".LS",
".GE",
".LT",
".GT",
".LE",
"",
".NV"
};
int
Cconv(Fmt *fp)
{
char s[20];
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
Dconv(Fmt *fp)
{
char str[STRINGSZ];
const char *op;
Adr *a;
int32 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, "$%N", a);
else
snprint(str, sizeof str, "$%N(R%d)", a, a->reg);
break;
case D_CONST2:
snprint(str, sizeof str, "$%d-%d", a->offset, a->offset2);
break;
case D_SHIFT:
v = a->offset;
op = &"<<>>->@>"[(((v>>5) & 3) << 1)];
if(v & (1<<4))
snprint(str, sizeof str, "R%d%c%cR%d", v&15, op[0], op[1], (v>>8)&15);
else
snprint(str, sizeof str, "R%d%c%c%d", v&15, op[0], op[1], (v>>7)&31);
if(a->reg != NREG)
seprint(str+strlen(str), str+sizeof str, "(R%d)", a->reg);
break;
case D_OCONST:
snprint(str, sizeof str, "$*$%N", a);
if(a->reg != NREG)
snprint(str, sizeof str, "%N(R%d)(CONST)", a, a->reg);
break;
case D_OREG:
if(a->reg != NREG)
snprint(str, sizeof str, "%N(R%d)", a, a->reg);
else
snprint(str, sizeof str, "%N", a);
break;
case D_REG:
snprint(str, sizeof str, "R%d", a->reg);
if(a->name != D_NONE || a->sym != S)
snprint(str, sizeof str, "%N(R%d)(REG)", a, a->reg);
break;
case D_REGREG:
snprint(str, sizeof str, "(R%d,R%d)", a->reg, (int)a->offset);
if(a->name != D_NONE || a->sym != S)
snprint(str, sizeof str, "%N(R%d)(REG)", a, a->reg);
break;
case D_REGREG2:
snprint(str, sizeof str, "R%d,R%d", a->reg, (int)a->offset);
if(a->name != D_NONE || a->sym != S)
snprint(str, sizeof str, "%N(R%d)(REG)", a, a->reg);
break;
case D_FREG:
snprint(str, sizeof str, "F%d", a->reg);
if(a->name != D_NONE || a->sym != S)
snprint(str, sizeof str, "%N(R%d)(REG)", a, a->reg);
break;
case D_PSR:
switch(a->reg) {
case 0:
snprint(str, sizeof str, "CPSR");
break;
case 1:
snprint(str, sizeof str, "SPSR");
break;
default:
snprint(str, sizeof str, "PSR%d", a->reg);
break;
}
if(a->name != D_NONE || a->sym != S)
snprint(str, sizeof str, "%N(PSR%d)(REG)", a, a->reg);
break;
case D_FPCR:
switch(a->reg){
case 0:
snprint(str, sizeof str, "FPSR");
break;
case 1:
snprint(str, sizeof str, "FPCR");
break;
default:
snprint(str, sizeof str, "FCR%d", a->reg);
break;
}
if(a->name != D_NONE || a->sym != S)
snprint(str, sizeof str, "%N(FCR%d)(REG)", a, a->reg);
break;
case D_BRANCH: /* botch */
if(curp->cond != P) {
v = curp->cond->pc;
if(a->sym != S)
snprint(str, sizeof str, "%s+%.5ux(BRANCH)", a->sym->name, v);
else
snprint(str, sizeof str, "%.5ux(BRANCH)", v);
} else
if(a->sym != S)
snprint(str, sizeof str, "%s+%d(APC)", a->sym->name, a->offset);
else
snprint(str, sizeof str, "%d(APC)", a->offset);
break;
case D_FCONST:
snprint(str, sizeof str, "$%e", ieeedtod(&a->ieee));
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;
switch(a->name) {
default:
sprint(str, "GOK-name(%d)", a->name);
break;
case D_NONE:
sprint(str, "%d", a->offset);
break;
case D_EXTERN:
if(s == S)
sprint(str, "%d(SB)", a->offset);
else
sprint(str, "%s+%d(SB)", s->name, a->offset);
break;
case D_STATIC:
if(s == S)
sprint(str, "<>+%d(SB)", a->offset);
else
sprint(str, "%s<>+%d(SB)", s->name, a->offset);
break;
case D_AUTO:
if(s == S)
sprint(str, "%d(SP)", a->offset);
else
sprint(str, "%s-%d(SP)", s->name, -a->offset);
break;
case D_PARAM:
if(s == S)
sprint(str, "%d(FP)", a->offset);
else
sprint(str, "%s+%d(FP)", s->name, a->offset);
break;
}
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<sizeof(int32); 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);
}
int
Iconv(Fmt *fp)
{
int i, n;
uint32 *p;
char *s;
Fmt fmt;
n = fp->prec;
fp->prec = 0;
if(!(fp->flags&FmtPrec) || n < 0)
return fmtstrcpy(fp, "%I");
fp->flags &= ~FmtPrec;
p = va_arg(fp->args, uint32*);
// format into temporary buffer and
// call fmtstrcpy to handle padding.
fmtstrinit(&fmt);
for(i=0; i<n/4; i++) {
if(i > 0)
fmtprint(&fmt, " ");
fmtprint(&fmt, "%.8ux", *p++);
}
s = fmtstrflush(&fmt);
fmtstrcpy(fp, s);
free(s);
return 0;
}
static char*
cnames[] =
{
[C_ADDR] = "C_ADDR",
[C_FAUTO] = "C_FAUTO",
[C_ZFCON] = "C_SFCON",
[C_SFCON] = "C_SFCON",
[C_LFCON] = "C_LFCON",
[C_FCR] = "C_FCR",
[C_FOREG] = "C_FOREG",
[C_FREG] = "C_FREG",
[C_GOK] = "C_GOK",
[C_HAUTO] = "C_HAUTO",
[C_HFAUTO] = "C_HFAUTO",
[C_HFOREG] = "C_HFOREG",
[C_HOREG] = "C_HOREG",
[C_HREG] = "C_HREG",
[C_LACON] = "C_LACON",
[C_LAUTO] = "C_LAUTO",
[C_LBRA] = "C_LBRA",
[C_LCON] = "C_LCON",
[C_LCONADDR] = "C_LCONADDR",
[C_LOREG] = "C_LOREG",
[C_NCON] = "C_NCON",
[C_NONE] = "C_NONE",
[C_PC] = "C_PC",
[C_PSR] = "C_PSR",
[C_RACON] = "C_RACON",
[C_RCON] = "C_RCON",
[C_REG] = "C_REG",
[C_REGREG] = "C_REGREG",
[C_REGREG2] = "C_REGREG2",
[C_ROREG] = "C_ROREG",
[C_SAUTO] = "C_SAUTO",
[C_SBRA] = "C_SBRA",
[C_SCON] = "C_SCON",
[C_SHIFT] = "C_SHIFT",
[C_SOREG] = "C_SOREG",
[C_SP] = "C_SP",
[C_SROREG] = "C_SROREG"
};
int
Oconv(Fmt *fp)
{
char buf[500];
int o;
o = va_arg(fp->args, int);
if(o < 0 || o >= nelem(cnames) || cnames[o] == nil) {
snprint(buf, sizeof(buf), "C_%d", o);
return fmtstrcpy(fp, buf);
}
return fmtstrcpy(fp, cnames[o]);
}
void
diag(char *fmt, ...)
{
char buf[STRINGSZ], *tn, *sep;
va_list arg;
tn = "";
sep = "";
if(cursym != S) {
tn = cursym->name;
sep = ": ";
}
va_start(arg, fmt);
vseprint(buf, buf+sizeof(buf), fmt, arg);
va_end(arg);
print("%s%s%s\n", tn, sep, buf);
nerrors++;
if(nerrors > 20) {
print("too many errors\n");
errorexit();
}
}