123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311 |
- #include "l.h"
- void
- listinit(void)
- {
- fmtinstall('A', Aconv);
- fmtinstall('D', Dconv);
- fmtinstall('P', Pconv);
- fmtinstall('S', Sconv);
- fmtinstall('N', Nconv);
- fmtinstall('R', Rconv);
- }
- void
- prasm(Prog *p)
- {
- print("%P\n", p);
- }
- int
- Pconv(Fmt *fp)
- {
- char str[STRINGSZ], *s;
- Prog *p;
- int a;
- p = va_arg(fp->args, Prog*);
- curp = p;
- a = p->as;
- if(a == ADATA || a == AINIT || a == ADYNT)
- sprint(str, "(%d) %A %D/%d,%D", p->line, a, &p->from, p->reg, &p->to);
- else {
- s = str;
- if(p->mark & NOSCHED)
- s += sprint(s, "*");
- if(p->reg == NREG && p->from3.type == D_NONE)
- sprint(s, "(%d) %A %D,%D", p->line, a, &p->from, &p->to);
- else
- if(a != ATEXT && p->from.type == D_OREG) {
- sprint(s, "(%d) %A %ld(R%d+R%d),%D", p->line, a,
- p->from.offset, p->from.reg, p->reg, &p->to);
- } else
- if(p->to.type == D_OREG) {
- sprint(s, "(%d) %A %D,%ld(R%d+R%d)", p->line, a,
- &p->from, p->to.offset, p->to.reg, p->reg);
- } else {
- s += sprint(s, "(%d) %A %D", p->line, a, &p->from);
- if(p->reg != NREG)
- s += sprint(s, ",%c%d", p->from.type==D_FREG?'F':'R', p->reg);
- if(p->from3.type != D_NONE)
- s += sprint(s, ",%D", &p->from3);
- sprint(s, ",%D", &p->to);
- }
- }
- return fmtstrcpy(fp, str);
- }
- 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);
- }
- int
- Dconv(Fmt *fp)
- {
- char str[STRINGSZ];
- Adr *a;
- long v;
- a = va_arg(fp->args, Adr*);
- switch(a->type) {
- 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, "%N(R%d)(NONE)", a, a->reg);
- break;
- case D_CONST:
- if(a->reg != NREG)
- sprint(str, "$%N(R%d)", a, a->reg);
- else
- sprint(str, "$%N", a);
- break;
- case D_OREG:
- if(a->reg != NREG)
- sprint(str, "%N(R%d)", a, a->reg);
- else
- sprint(str, "%N", a);
- break;
- case D_REG:
- sprint(str, "R%d", a->reg);
- if(a->name != D_NONE || a->sym != S)
- sprint(str, "%N(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, "%N(F%d)(REG)", a, a->reg);
- break;
- case D_CREG:
- if(a->reg == NREG)
- strcpy(str, "CR");
- else
- sprint(str, "CR%d", a->reg);
- if(a->name != D_NONE || a->sym != S)
- sprint(str, "%N(C%d)(REG)", a, a->reg);
- break;
- case D_SPR:
- if(a->name == D_NONE && a->sym == S) {
- switch(a->offset) {
- case D_XER: sprint(str, "XER"); break;
- case D_LR: sprint(str, "LR"); break;
- case D_CTR: sprint(str, "CTR"); break;
- default: sprint(str, "SPR(%ld)", a->offset); break;
- }
- break;
- }
- sprint(str, "SPR-GOK(%d)", a->reg);
- if(a->name != D_NONE || a->sym != S)
- sprint(str, "%N(SPR-GOK%d)(REG)", a, a->reg);
- break;
- case D_DCR:
- if(a->name == D_NONE && a->sym == S) {
- sprint(str, "DCR(%ld)", a->offset);
- break;
- }
- sprint(str, "DCR-GOK(%d)", a->reg);
- if(a->name != D_NONE || a->sym != S)
- sprint(str, "%N(DCR-GOK%d)(REG)", a, a->reg);
- break;
- case D_OPT:
- sprint(str, "OPT(%d)", a->reg);
- break;
- case D_FPSCR:
- if(a->reg == NREG)
- strcpy(str, "FPSCR");
- else
- sprint(str, "FPSCR(%d)", a->reg);
- break;
- case D_MSR:
- sprint(str, "MSR");
- break;
- case D_SREG:
- sprint(str, "SREG(%d)", a->reg);
- if(a->name != D_NONE || a->sym != S)
- sprint(str, "%N(SREG%d)(REG)", a, a->reg);
- break;
- case D_BRANCH:
- if(curp->cond != P) {
- v = curp->cond->pc;
- if(v >= INITTEXT)
- v -= INITTEXT-HEADR;
- if(a->sym != S)
- sprint(str, "%s+%.5lux(BRANCH)", a->sym->name, v);
- else
- sprint(str, "%.5lux(BRANCH)", v);
- } else
- if(a->sym != S)
- sprint(str, "%s+%ld(APC)", a->sym->name, a->offset);
- else
- sprint(str, "%ld(APC)", a->offset);
- break;
- case D_FCONST:
- sprint(str, "$%lux-%lux", a->ieee.h, a->ieee.l);
- break;
- case D_SCONST:
- sprint(str, "$\"%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;
- if(s == S) {
- sprint(str, "%ld", a->offset);
- goto out;
- }
- switch(a->name) {
- default:
- sprint(str, "GOK-name(%d)", a->name);
- break;
- case D_EXTERN:
- sprint(str, "%s+%ld(SB)", s->name, a->offset);
- break;
- case D_STATIC:
- sprint(str, "%s<>+%ld(SB)", s->name, a->offset);
- break;
- case D_AUTO:
- sprint(str, "%s-%ld(SP)", s->name, -a->offset);
- break;
- case D_PARAM:
- sprint(str, "%s+%ld(FP)", s->name, a->offset);
- break;
- }
- out:
- return fmtstrcpy(fp, str);
- }
- int
- Rconv(Fmt *fp)
- {
- char *s;
- int a;
- a = va_arg(fp->args, int);
- s = "C_??";
- if(a >= C_NONE && a <= C_NCLASS)
- s = cnames[a];
- return fmtstrcpy(fp, s);
- }
- 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(long); 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);
- }
- void
- diag(char *fmt, ...)
- {
- char buf[STRINGSZ], *tn;
- va_list arg;
- tn = "??none??";
- if(curtext != P && curtext->from.sym != S)
- tn = curtext->from.sym->name;
- va_start(arg, fmt);
- vseprint(buf, buf+sizeof(buf), fmt, arg);
- va_end(arg);
- print("%s: %s\n", tn, buf);
- nerrors++;
- if(nerrors > 10) {
- print("too many errors\n");
- errorexit();
- }
- }
|