mirror of
https://github.com/golang/go
synced 2024-10-04 11:11:21 -06:00
517e3457cc
R=ken OCL=32521 CL=32521
356 lines
6.2 KiB
C
356 lines
6.2 KiB
C
// Derived from Inferno utils/6c/list.c
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// http://code.google.com/p/inferno-os/source/browse/utils/6c/list.c
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//
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// Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
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// Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
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// Portions Copyright © 1997-1999 Vita Nuova Limited
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// Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
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// Portions Copyright © 2004,2006 Bruce Ellis
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// Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
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// Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
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// Portions Copyright © 2009 The Go Authors. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#include "gg.h"
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static int sconsize;
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void
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listinit(void)
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{
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fmtinstall('A', Aconv); // as
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fmtinstall('P', Pconv); // Prog*
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fmtinstall('D', Dconv); // Addr*
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fmtinstall('R', Rconv); // reg
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fmtinstall('Y', Yconv); // sconst
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}
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int
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Pconv(Fmt *fp)
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{
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char str[STRINGSZ];
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Prog *p;
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p = va_arg(fp->args, Prog*);
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sconsize = 8;
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switch(p->as) {
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default:
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snprint(str, sizeof(str), "%.4ld (%4ld) %-7A %D,%D",
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p->loc, p->lineno, p->as, &p->from, &p->to);
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break;
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case ADATA:
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sconsize = p->from.scale;
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snprint(str, sizeof(str), "%.4ld (%4ld) %-7A %D/%d,%D",
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p->loc, p->lineno, p->as, &p->from, sconsize, &p->to);
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break;
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case ATEXT:
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snprint(str, sizeof(str), "%.4ld (%4ld) %-7A %D,%lD",
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p->loc, p->lineno, p->as, &p->from, &p->to);
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break;
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}
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return fmtstrcpy(fp, str);
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}
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int
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Dconv(Fmt *fp)
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{
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char str[100], s[100];
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Addr *a;
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int i;
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uint32 d1, d2;
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a = va_arg(fp->args, Addr*);
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i = a->type;
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if(i >= D_INDIR) {
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if(a->offset)
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snprint(str, sizeof(str), "%lld(%R)", a->offset, i-D_INDIR);
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else
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snprint(str, sizeof(str), "(%R)", i-D_INDIR);
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goto brk;
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}
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switch(i) {
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default:
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if(a->offset)
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snprint(str, sizeof(str), "$%lld,%R", a->offset, i);
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else
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snprint(str, sizeof(str), "%R", i);
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break;
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case D_NONE:
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str[0] = 0;
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break;
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case D_BRANCH:
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if(a->branch == nil)
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snprint(str, sizeof(str), "<nil>");
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else
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snprint(str, sizeof(str), "%ld", a->branch->loc);
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break;
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case D_EXTERN:
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snprint(str, sizeof(str), "%S+%lld(SB)", a->sym, a->offset);
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break;
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case D_STATIC:
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snprint(str, sizeof(str), "%S<>+%lld(SB)", a->sym, a->offset);
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break;
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case D_AUTO:
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snprint(str, sizeof(str), "%S+%lld(SP)", a->sym, a->offset);
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break;
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case D_PARAM:
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snprint(str, sizeof(str), "%S+%lld(FP)", a->sym, a->offset);
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break;
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case D_CONST:
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if(fp->flags & FmtLong) {
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d1 = a->offset & 0xffffffffLL;
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d2 = (a->offset>>32) & 0xffffffffLL;
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snprint(str, sizeof(str), "$%lud-%lud", (ulong)d1, (ulong)d2);
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break;
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}
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snprint(str, sizeof(str), "$%lld", a->offset);
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break;
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case D_FCONST:
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snprint(str, sizeof(str), "$(%.17e)", a->dval);
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break;
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case D_SCONST:
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snprint(str, sizeof(str), "$\"%Y\"", a->sval);
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break;
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case D_ADDR:
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a->type = a->index;
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a->index = D_NONE;
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snprint(str, sizeof(str), "$%D", a);
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a->index = a->type;
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a->type = D_ADDR;
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goto conv;
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}
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brk:
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if(a->index != D_NONE) {
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snprint(s, sizeof(s), "(%R*%d)", (int)a->index, (int)a->scale);
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strcat(str, s);
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}
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conv:
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return fmtstrcpy(fp, str);
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}
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static char* regstr[] =
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{
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"AL", /* [D_AL] */
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"CL",
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"DL",
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"BL",
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"SPB",
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"BPB",
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"SIB",
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"DIB",
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"R8B",
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"R9B",
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"R10B",
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"R11B",
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"R12B",
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"R13B",
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"R14B",
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"R15B",
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"AX", /* [D_AX] */
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"CX",
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"DX",
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"BX",
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"SP",
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"BP",
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"SI",
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"DI",
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"R8",
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"R9",
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"R10",
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"R11",
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"R12",
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"R13",
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"R14",
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"R15",
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"AH",
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"CH",
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"DH",
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"BH",
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"F0", /* [D_F0] */
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"F1",
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"F2",
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"F3",
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"F4",
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"F5",
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"F6",
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"F7",
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"M0",
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"M1",
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"M2",
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"M3",
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"M4",
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"M5",
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"M6",
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"M7",
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"X0",
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"X1",
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"X2",
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"X3",
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"X4",
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"X5",
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"X6",
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"X7",
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"X8",
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"X9",
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"X10",
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"X11",
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"X12",
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"X13",
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"X14",
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"X15",
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"CS", /* [D_CS] */
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"SS",
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"DS",
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"ES",
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"FS",
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"GS",
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"GDTR", /* [D_GDTR] */
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"IDTR", /* [D_IDTR] */
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"LDTR", /* [D_LDTR] */
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"MSW", /* [D_MSW] */
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"TASK", /* [D_TASK] */
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"CR0", /* [D_CR] */
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"CR1",
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"CR2",
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"CR3",
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"CR4",
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"CR5",
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"CR6",
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"CR7",
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"CR8",
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"CR9",
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"CR10",
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"CR11",
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"CR12",
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"CR13",
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"CR14",
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"CR15",
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"DR0", /* [D_DR] */
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"DR1",
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"DR2",
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"DR3",
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"DR4",
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"DR5",
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"DR6",
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"DR7",
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"TR0", /* [D_TR] */
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"TR1",
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"TR2",
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"TR3",
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"TR4",
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"TR5",
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"TR6",
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"TR7",
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"NONE", /* [D_NONE] */
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};
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int
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Rconv(Fmt *fp)
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{
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char str[STRINGSZ];
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int r;
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r = va_arg(fp->args, int);
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if(r < 0 || r >= nelem(regstr) || regstr[r] == nil) {
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snprint(str, sizeof(str), "BAD_R(%d)", r);
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return fmtstrcpy(fp, str);
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}
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return fmtstrcpy(fp, regstr[r]);
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}
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int
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Aconv(Fmt *fp)
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{
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int i;
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i = va_arg(fp->args, int);
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return fmtstrcpy(fp, anames[i]);
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}
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int
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Yconv(Fmt *fp)
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{
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int i, c;
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char str[30], *p, *a;
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a = va_arg(fp->args, char*);
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p = str;
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for(i=0; i<sconsize; i++) {
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c = a[i] & 0xff;
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if((c >= 'a' && c <= 'z') ||
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(c >= 'A' && c <= 'Z') ||
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(c >= '0' && c <= '9')) {
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*p++ = c;
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continue;
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}
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*p++ = '\\';
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switch(c) {
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default:
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if(c < 040 || c >= 0177)
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break; /* not portable */
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p[-1] = c;
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continue;
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case 0:
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*p++ = 'z';
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continue;
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case '\\':
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case '"':
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*p++ = c;
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continue;
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case '\n':
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*p++ = 'n';
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continue;
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case '\t':
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*p++ = 't';
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continue;
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}
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*p++ = (c>>6) + '0';
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*p++ = ((c>>3) & 7) + '0';
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*p++ = (c & 7) + '0';
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}
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*p = 0;
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return fmtstrcpy(fp, str);
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}
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