Subversion Repositories planix.SVN

#define EXTERN
#include "gc.h"

void
listinit(void)
{

        fmtinstall('A', Aconv);
        fmtinstall('P', Pconv);
        fmtinstall('S', Sconv);
        fmtinstall('N', Nconv);
        fmtinstall('D', Dconv);
        fmtinstall('B', Bconv);
}

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], *s;
        Prog *p;
        int a;

        p = va_arg(fp->args, Prog*);
        a = p->as;
        if(a == ADATA)
                sprint(str, "   %A      %D/%d,%D", a, &p->from, p->reg, &p->to);
        else if(p->as == ATEXT)
                sprint(str, "   %A      %D,%d,%D", a, &p->from, p->reg, &p->to);
        else {
                s = seprint(str, str+sizeof(str), "     %A      %D", a, &p->from);
                if(p->reg != NREG)
                        s = seprint(s, str+sizeof(str), ",%c%d", p->from.type==D_FREG? 'F': 'R', p->reg);
                if(p->from3.type != D_NONE)
                        s = seprint(s, str+sizeof(str), ",%D", &p->from3);
                seprint(s, s+sizeof(str), ",%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;

        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:
                sprint(str, "C%d", a->reg);
                if(a->name != D_NONE || a->sym != S)
                        sprint(str, "%N(C%d)(REG)", a, a->reg);
                break;

        case D_BRANCH:
                sprint(str, "%ld(PC)", a->offset-pc);
                break;

        case D_FCONST:
                sprint(str, "$%.17e", a->dval);
                break;

        case D_SCONST:
                sprint(str, "$\"%S\"", a->sval);
                break;
        }
        return fmtstrcpy(fp, str);
}

int
Sconv(Fmt *fp)
{
        int i, c;
        char str[STRINGSZ], *p, *a;

        a = va_arg(fp->args, char*);
        p = str;
        for(i=0; i<NSNAME; 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;
                case '\r':
                        *p++ = 'r';
                        continue;
                case '\f':
                        *p++ = 'f';
                        continue;
                }
                *p++ = (c>>6) + '0';
                *p++ = ((c>>3) & 7) + '0';
                *p++ = (c & 7) + '0';
        }
        *p = 0;
        return fmtstrcpy(fp, str);
}

int
Nconv(Fmt *fp)
{
        char str[STRINGSZ];
        Adr *a;
        Sym *s;
        int i, l, b, n;

        a = va_arg(fp->args, Adr*);
        s = a->sym;
        if(s == S) {
                if(a->offset > 64 || -a->offset > 64) {
                        n = 0;
                        l = a->offset & 1;
                        for(i=0; i<32; i++){
                                b = (a->offset >> i) & 1;
                                if(b != l)
                                        n++;
                                l = b;
                        }
                        if(n < 2) {
                                sprint(str, "%#lux", a->offset);
                                goto out;
                        }
                }
                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);
}