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- #define EXTERN
- #include "gc.h"
- void
- listinit(void)
- {
- fmtinstall('A', Aconv);
- fmtinstall('B', Bconv);
- fmtinstall('P', Pconv);
- fmtinstall('S', Sconv);
- fmtinstall('D', Dconv);
- fmtinstall('R', Rconv);
- }
- int
- Bconv(Fmt *fp)
- {
- char str[STRINGSZ], ss[STRINGSZ], *s;
- Bits bits;
- int i;
- str[0] = 0;
- bits = va_arg(fp->args, Bits);
- while(bany(&bits)) {
- i = bnum(bits);
- if(str[0])
- strcat(str, " ");
- if(var[i].sym == S) {
- sprint(ss, "$%ld", var[i].offset);
- s = ss;
- } else
- s = var[i].sym->name;
- if(strlen(str) + strlen(s) + 1 >= STRINGSZ)
- break;
- strcat(str, s);
- bits.b[i/32] &= ~(1L << (i%32));
- }
- return fmtstrcpy(fp, str);
- }
- int
- Pconv(Fmt *fp)
- {
- char str[STRINGSZ];
- Prog *p;
- p = va_arg(fp->args, Prog*);
- if(p->as == ADATA)
- sprint(str, " %A %D/%d,%D",
- p->as, &p->from, p->from.scale, &p->to);
- else if(p->as == ATEXT)
- sprint(str, " %A %D,%d,%D",
- p->as, &p->from, p->from.scale, &p->to);
- else
- sprint(str, " %A %D,%D",
- p->as, &p->from, &p->to);
- return fmtstrcpy(fp, str);
- }
- int
- Aconv(Fmt *fp)
- {
- int i;
- i = va_arg(fp->args, int);
- return fmtstrcpy(fp, anames[i]);
- }
- int
- Dconv(Fmt *fp)
- {
- char str[40], s[20];
- Adr *a;
- int i;
- a = va_arg(fp->args, Adr*);
- i = a->type;
- if(i >= D_INDIR) {
- if(a->offset)
- sprint(str, "%ld(%R)", a->offset, i-D_INDIR);
- else
- sprint(str, "(%R)", i-D_INDIR);
- goto brk;
- }
- switch(i) {
- default:
- if(a->offset)
- sprint(str, "$%ld,%R", a->offset, i);
- else
- sprint(str, "%R", i);
- break;
- case D_NONE:
- str[0] = 0;
- break;
- case D_BRANCH:
- sprint(str, "%ld(PC)", a->offset-pc);
- break;
- case D_EXTERN:
- sprint(str, "%s+%ld(SB)", a->sym->name, a->offset);
- break;
- case D_STATIC:
- sprint(str, "%s<>+%ld(SB)", a->sym->name,
- a->offset);
- break;
- case D_AUTO:
- sprint(str, "%s+%ld(SP)", a->sym->name, a->offset);
- break;
- case D_PARAM:
- if(a->sym)
- sprint(str, "%s+%ld(FP)", a->sym->name, a->offset);
- else
- sprint(str, "%ld(FP)", a->offset);
- break;
- case D_CONST:
- sprint(str, "$%ld", a->offset);
- break;
- case D_FCONST:
- sprint(str, "$(%.17e)", a->dval);
- break;
- case D_SCONST:
- sprint(str, "$\"%S\"", a->sval);
- break;
- case D_ADDR:
- a->type = a->index;
- a->index = D_NONE;
- sprint(str, "$%D", a);
- a->index = a->type;
- a->type = D_ADDR;
- goto conv;
- }
- brk:
- if(a->index != D_NONE) {
- sprint(s, "(%R*%d)", (int)a->index, (int)a->scale);
- strcat(str, s);
- }
- conv:
- return fmtstrcpy(fp, str);
- }
- char* regstr[] =
- {
- "AL", /*[D_AL]*/
- "CL",
- "DL",
- "BL",
- "AH",
- "CH",
- "DH",
- "BH",
- "AX", /*[D_AX]*/
- "CX",
- "DX",
- "BX",
- "SP",
- "BP",
- "SI",
- "DI",
- "F0", /*[D_F0]*/
- "F1",
- "F2",
- "F3",
- "F4",
- "F5",
- "F6",
- "F7",
- "CS", /*[D_CS]*/
- "SS",
- "DS",
- "ES",
- "FS",
- "GS",
- "GDTR", /*[D_GDTR]*/
- "IDTR", /*[D_IDTR]*/
- "LDTR", /*[D_LDTR]*/
- "MSW", /*[D_MSW] */
- "TASK", /*[D_TASK]*/
- "CR0", /*[D_CR]*/
- "CR1",
- "CR2",
- "CR3",
- "CR4",
- "CR5",
- "CR6",
- "CR7",
- "DR0", /*[D_DR]*/
- "DR1",
- "DR2",
- "DR3",
- "DR4",
- "DR5",
- "DR6",
- "DR7",
- "TR0", /*[D_TR]*/
- "TR1",
- "TR2",
- "TR3",
- "TR4",
- "TR5",
- "TR6",
- "TR7",
- "NONE", /*[D_NONE]*/
- };
- int
- Rconv(Fmt *fp)
- {
- char str[20];
- int r;
- r = va_arg(fp->args, int);
- if(r >= D_AL && r <= D_NONE)
- sprint(str, "%s", regstr[r-D_AL]);
- else
- sprint(str, "gok(%d)", r);
- return fmtstrcpy(fp, str);
- }
- int
- Sconv(Fmt *fp)
- {
- int i, c;
- char str[30], *p, *a;
- a = va_arg(fp->args, char*);
- p = str;
- for(i=0; i<sizeof(double); 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);
- }
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