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-rw-r--r--src/cmd/5g/list.c331
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diff --git a/src/cmd/5g/list.c b/src/cmd/5g/list.c
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+++ b/src/cmd/5g/list.c
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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);
+}