Subversion Repositories planix.SVN

#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) {
                        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);
}

int
Pconv(Fmt *fp)
{
        char str[STRINGSZ];
        Prog *p;

        p = va_arg(fp->args, Prog*);
        if(p->as == ADATA)
                snprint(str, sizeof(str), "     %A      %D/%d,%D",
                        p->as, &p->from, p->from.scale, &p->to);
        else if(p->as == ATEXT)
                snprint(str, sizeof(str), "     %A      %D,%d,%D",
                        p->as, &p->from, p->from.scale, &p->to);
        else
                snprint(str, sizeof(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)
                        snprint(str, sizeof(str), "%ld(%R)", a->offset, i-D_INDIR);
                else
                        snprint(str, sizeof(str), "(%R)", i-D_INDIR);
                goto brk;
        }
        switch(i) {

        default:
                if(a->offset)
                        snprint(str, sizeof(str), "$%ld,%R", a->offset, i);
                else
                        snprint(str, sizeof(str), "%R", i);
                break;

        case D_NONE:
                str[0] = 0;
                break;

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

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

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

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

        case D_PARAM:
                if(a->sym)
                        snprint(str, sizeof(str), "%s+%ld(FP)", a->sym->name, a->offset);
                else
                        snprint(str, sizeof(str), "%ld(FP)", a->offset);
                break;

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

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

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

        case D_ADDR:
                a->type = a->index;
                a->index = D_NONE;
                snprint(str, sizeof(str), "$%D", a);
                a->index = a->type;
                a->type = D_ADDR;
                goto conv;
        }
brk:
        if(a->index != D_NONE) {
                fmtstrcpy(fp, str);
                snprint(s, sizeof(s), "(%R*%d)", (int)a->index, (int)a->scale);
                return fmtstrcpy(fp, 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)
                snprint(str, sizeof(str), "%s", regstr[r-D_AL]);
        else
                snprint(str, sizeof(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);
}