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('B', Bconv);
        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) {
                        snprint(ss, sizeof(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);
}

char *extra [] = {
        ".EQ", ".NE", ".CS", ".CC", 
        ".MI", ".PL", ".VS", ".VC", 
        ".HI", ".LS", ".GE", ".LT", 
        ".GT", ".LE", "", ".NV",
};

int
Pconv(Fmt *fp)
{
        char str[STRINGSZ], sc[20];
        Prog *p;
        int a, s;

        p = va_arg(fp->args, Prog*);
        a = p->as;
        s = p->scond; 
        strcpy(sc, extra[s & C_SCOND]);
        if(s & C_SBIT)
                strcat(sc, ".S");
        if(s & C_PBIT)
                strcat(sc, ".P");
        if(s & C_WBIT)
                strcat(sc, ".W");
        if(s & C_UBIT)          /* ambiguous with FBIT */
                strcat(sc, ".U");
        if(a == AMOVM) {
                if(p->from.type == D_CONST)
                        snprint(str, sizeof(str), "     %A%s    %R,%D", a, sc, &p->from, &p->to);
                else
                if(p->to.type == D_CONST)
                        snprint(str, sizeof(str), "     %A%s    %D,%R", a, sc, &p->from, &p->to);
                else
                        snprint(str, sizeof(str), "     %A%s    %D,%D", a, sc, &p->from, &p->to);
        } else
        if(a == ADATA)
                snprint(str, sizeof(str), "     %A      %D/%d,%D", a, &p->from, p->reg, &p->to);
        else
        if(p->as == ATEXT)
                snprint(str, sizeof(str), "     %A      %D,%d,%D", a, &p->from, p->reg, &p->to);
        else
        if(p->reg == NREG)
                snprint(str, sizeof(str), "     %A%s    %D,%D", a, sc, &p->from, &p->to);
        else
        if(p->from.type != D_FREG)
                snprint(str, sizeof(str), "     %A%s    %D,R%d,%D", a, sc, &p->from, p->reg, &p->to);
        else
                snprint(str, sizeof(str), "     %A%s    %D,F%d,%D", a, sc, &p->from, p->reg, &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;
        char *op;
        int v;

        a = va_arg(fp->args, Adr*);
        switch(a->type) {

        default:
                snprint(str, sizeof(str), "GOK-type(%d)", a->type);
                break;

        case D_NONE:
                str[0] = 0;
                if(a->name != D_NONE || a->reg != NREG || a->sym != S)
                        snprint(str, sizeof(str), "%N(R%d)(NONE)", a, a->reg);
                break;

        case D_CONST:
                if(a->reg != NREG)
                        snprint(str, sizeof(str), "$%N(R%d)", a, a->reg);
                else
                        snprint(str, sizeof(str), "$%N", a);
                break;

        case D_SHIFT:
                v = a->offset;
                op = "<<>>->@>" + (((v>>5) & 3) << 1);
                if(v & (1<<4))
                        snprint(str, sizeof(str), "R%d%c%cR%d", v&15, op[0], op[1], (v>>8)&15);
                else
                        snprint(str, sizeof(str), "R%d%c%c%d", v&15, op[0], op[1], (v>>7)&31);
                if(a->reg != NREG)
                        sprint(str+strlen(str), "(R%d)", a->reg);
                break;

        case D_OREG:
                if(a->reg != NREG)
                        snprint(str, sizeof(str), "%N(R%d)", a, a->reg);
                else
                        snprint(str, sizeof(str), "%N", a);
                break;

        case D_REG:
                snprint(str, sizeof(str), "R%d", a->reg);
                if(a->name != D_NONE || a->sym != S)
                        snprint(str, sizeof(str), "%N(R%d)(REG)", a, a->reg);
                break;

        case D_FREG:
                snprint(str, sizeof(str), "F%d", a->reg);
                if(a->name != D_NONE || a->sym != S)
                        snprint(str, sizeof(str), "%N(R%d)(REG)", a, a->reg);
                break;

        case D_PSR:
                snprint(str, sizeof(str), "PSR");
                if(a->name != D_NONE || a->sym != S)
                        snprint(str, sizeof(str), "%N(PSR)(REG)", a);
                break;

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

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

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

int
Rconv(Fmt *fp)
{
        char str[STRINGSZ], *p, *e;
        Adr *a;
        int i, v;

        a = va_arg(fp->args, Adr*);
        snprint(str, sizeof(str), "GOK-reglist");
        switch(a->type) {
        case D_CONST:
                if(a->reg != NREG)
                        break;
                if(a->sym != S)
                        break;
                v = a->offset;
                p = str;
                e = str+sizeof(str);
                for(i=0; i<NREG; i++) {
                        if(v & (1<<i)) {
                                if(p == str)
                                        p = seprint(p, e, "[R%d", i);
                                else
                                        p = seprint(p, e, ",R%d", i);
                        }
                }
                seprint(p, e, "]");
        }
        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;

        a = va_arg(fp->args, Adr*);
        s = a->sym;
        if(s == S) {
                snprint(str, sizeof(str), "%ld", a->offset);
                goto out;
        }
        switch(a->name) {
        default:
                snprint(str, sizeof(str), "GOK-name(%d)", a->name);
                break;

        case D_NONE:
                snprint(str, sizeof(str), "%ld", a->offset);
                break;

        case D_EXTERN:
                snprint(str, sizeof(str), "%s+%ld(SB)", s->name, a->offset);
                break;

        case D_STATIC:
                snprint(str, sizeof(str), "%s<>+%ld(SB)", s->name, a->offset);
                break;

        case D_AUTO:
                snprint(str, sizeof(str), "%s-%ld(SP)", s->name, -a->offset);
                break;

        case D_PARAM:
                snprint(str, sizeof(str), "%s+%ld(FP)", s->name, a->offset);
                break;
        }
out:
        return fmtstrcpy(fp, str);
}