314 lines
6 KiB
C
314 lines
6 KiB
C
#define EXTERN
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#include "gc.h"
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void
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listinit(void)
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{
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fmtinstall('A', Aconv);
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fmtinstall('P', Pconv);
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fmtinstall('S', Sconv);
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fmtinstall('N', Nconv);
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fmtinstall('B', Bconv);
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fmtinstall('D', Dconv);
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fmtinstall('R', Rconv);
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}
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int
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Bconv(Fmt *fp)
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{
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char str[STRINGSZ], ss[STRINGSZ], *s;
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Bits bits;
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int i;
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memset(str, 0, sizeof str);
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bits = va_arg(fp->args, Bits);
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while(bany(&bits)) {
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i = bnum(bits);
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if(str[0])
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strncat(str, " ", sizeof str - 1);
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if(var[i].sym == S) {
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snprint(ss, sizeof ss, "$%ld", var[i].offset);
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s = ss;
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} else
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s = var[i].sym->name;
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strncat(str, s, sizeof str - 1);
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bits.b[i/32] &= ~(1L << (i%32));
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}
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return fmtstrcpy(fp, str);
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}
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char *extra [] = {
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".EQ", ".NE", ".CS", ".CC",
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".MI", ".PL", ".VS", ".VC",
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".HI", ".LS", ".GE", ".LT",
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".GT", ".LE", "", ".NV",
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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], sc[20];
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Prog *p;
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int a, s;
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p = va_arg(fp->args, Prog*);
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a = p->as;
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s = p->scond;
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strcpy(sc, extra[s & C_SCOND]);
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if(s & C_SBIT)
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strcat(sc, ".S");
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if(s & C_PBIT)
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strcat(sc, ".P");
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if(s & C_WBIT)
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strcat(sc, ".W");
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if(s & C_UBIT) /* ambiguous with FBIT */
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strcat(sc, ".U");
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if(a == AMULL || a == AMULAL || a == AMULLU || a == AMULALU)
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snprint(str, sizeof str, " %A%s %D,R%d,%D", a, sc, &p->from, p->reg, &p->to);
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else
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if(a == AMOVM) {
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if(p->from.type == D_CONST)
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snprint(str, sizeof str, " %A%s %R,%D", a, sc, &p->from, &p->to);
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else
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if(p->to.type == D_CONST)
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snprint(str, sizeof str, " %A%s %D,%R", a, sc, &p->from, &p->to);
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else
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snprint(str, sizeof str, " %A%s %D,%D", a, sc, &p->from, &p->to);
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} else
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if(a == ADATA)
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snprint(str, sizeof str, " %A %D/%d,%D", a, &p->from, p->reg, &p->to);
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else
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if(p->as == ATEXT)
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snprint(str, sizeof str, " %A %D,%d,%D", a, &p->from, p->reg, &p->to);
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else
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if(p->reg == NREG)
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snprint(str, sizeof str, " %A%s %D,%D", a, sc, &p->from, &p->to);
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else
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if(p->from.type != D_FREG)
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snprint(str, sizeof str, " %A%s %D,R%d,%D", a, sc, &p->from, p->reg, &p->to);
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else
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snprint(str, sizeof str, " %A%s %D,F%d,%D", a, sc, &p->from, p->reg, &p->to);
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return fmtstrcpy(fp, str);
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}
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int
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Aconv(Fmt *fp)
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{
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char *s;
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int a;
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a = va_arg(fp->args, int);
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s = "???";
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if(a >= AXXX && a < ALAST)
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s = anames[a];
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return fmtstrcpy(fp, s);
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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[STRINGSZ];
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Adr *a;
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char *op;
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int v;
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a = va_arg(fp->args, Adr*);
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switch(a->type) {
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default:
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snprint(str, sizeof str, "GOK-type(%d)", a->type);
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break;
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case D_NONE:
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str[0] = 0;
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if(a->name != D_NONE || a->reg != NREG || a->sym != S)
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snprint(str, sizeof str, "%N(R%d)(NONE)", a, a->reg);
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break;
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case D_CONST:
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if(a->reg != NREG)
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snprint(str, sizeof str, "$%N(R%d)", a, a->reg);
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else
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snprint(str, sizeof str, "$%N", a);
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break;
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case D_SHIFT:
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v = a->offset;
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op = "<<>>->@>" + (((v>>5) & 3) << 1);
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if(v & (1<<4))
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snprint(str, sizeof str, "R%d%c%cR%d", v&15, op[0], op[1], (v>>8)&15);
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else {
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int sh = (v>>7)&31;
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if(sh == 0 && (v & (3<<5)) != 0)
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sh = 32;
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snprint(str, sizeof str, "R%d%c%c%d", v&15, op[0], op[1], sh);
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}
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if(a->reg != NREG)
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snprint(str+strlen(str), sizeof(str)-strlen(str), "(R%d)", a->reg);
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break;
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case D_OREG:
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if(a->reg != NREG)
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snprint(str, sizeof str, "%N(R%d)", a, a->reg);
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else
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snprint(str, sizeof str, "%N", a);
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break;
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case D_REGREG:
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snprint(str, sizeof str, "(R%d,R%d)", a->reg, (char)a->offset);
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break;
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case D_REG:
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snprint(str, sizeof str, "R%d", a->reg);
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if(a->name != D_NONE || a->sym != S)
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snprint(str, sizeof str, "%N(R%d)(REG)", a, a->reg);
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break;
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case D_FREG:
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snprint(str, sizeof str, "F%d", a->reg);
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if(a->name != D_NONE || a->sym != S)
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snprint(str, sizeof str, "%N(R%d)(REG)", a, a->reg);
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break;
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case D_PSR:
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snprint(str, sizeof str, "PSR");
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if(a->name != D_NONE || a->sym != S)
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snprint(str, sizeof str, "%N(PSR)(REG)", a);
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break;
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case D_BRANCH:
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snprint(str, sizeof str, "%ld(PC)", a->offset-pc);
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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, "$\"%S\"", a->sval);
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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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Rconv(Fmt *fp)
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{
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char str[STRINGSZ];
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Adr *a;
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int i, v;
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a = va_arg(fp->args, Adr*);
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snprint(str, sizeof str, "GOK-reglist");
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switch(a->type) {
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case D_CONST:
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if(a->reg != NREG)
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break;
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if(a->sym != S)
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break;
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v = a->offset;
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memset(str, 0, sizeof str);
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for(i=0; i<NREG; i++) {
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if(v & (1<<i)) {
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if(str[0] == 0)
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strncat(str, "[R", sizeof str - 1);
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else
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strncat(str, ",R", sizeof str - 1);
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snprint(str+strlen(str), sizeof(str)-strlen(str), "%d", i);
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}
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}
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strncat(str, "]", sizeof str - 1);
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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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Sconv(Fmt *fp)
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{
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int i, c;
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char str[STRINGSZ], *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<NSNAME; 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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c == ' ' || c == '%') {
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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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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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case '\r':
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*p++ = 'r';
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continue;
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case '\f':
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*p++ = 'f';
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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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int
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Nconv(Fmt *fp)
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{
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char str[STRINGSZ];
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Adr *a;
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Sym *s;
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a = va_arg(fp->args, Adr*);
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s = a->sym;
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if(s == S) {
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snprint(str, sizeof str, "%ld", a->offset);
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goto out;
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}
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switch(a->name) {
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default:
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snprint(str, sizeof str, "GOK-name(%d)", a->name);
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break;
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case D_NONE:
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snprint(str, sizeof str, "%ld", a->offset);
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break;
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case D_EXTERN:
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snprint(str, sizeof str, "%s+%ld(SB)", s->name, a->offset);
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break;
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case D_STATIC:
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snprint(str, sizeof str, "%s<>+%ld(SB)", s->name, a->offset);
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break;
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case D_AUTO:
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snprint(str, sizeof str, "%s-%ld(SP)", s->name, -a->offset);
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break;
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case D_PARAM:
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snprint(str, sizeof str, "%s+%ld(FP)", s->name, a->offset);
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break;
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}
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out:
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return fmtstrcpy(fp, str);
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}
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