Subversion Repositories planix.SVN

#include        "l.h"

void
listinit(void)
{

        fmtinstall('R', Rconv);
        fmtinstall('A', Aconv);
        fmtinstall('D', Dconv);
        fmtinstall('S', Sconv);
        fmtinstall('P', Pconv);
}

static  Prog    *bigP;

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

        p = va_arg(fp->args, Prog*);
        bigP = p;
        switch(p->as) {
        case ATEXT:
                if(p->from.scale) {
                        sprint(str, "(%ld)      %A      %D,%d,%D",
                                p->line, p->as, &p->from, p->from.scale, &p->to);
                        break;
                }
        default:
                sprint(str, "(%ld)      %A      %D,%D",
                        p->line, p->as, &p->from, &p->to);
                break;
        case ADATA:
        case AINIT:
        case ADYNT:
                sprint(str, "(%ld)      %A      %D/%d,%D",
                        p->line, p->as, &p->from, p->from.scale, &p->to);
                break;
        }
        bigP = P;
        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, "%lld(%R)", a->offset, i-D_INDIR);
                else
                        sprint(str, "(%R)", i-D_INDIR);
                goto brk;
        }
        switch(i) {

        default:
                if(a->offset)
                        sprint(str, "$%lld,%R", a->offset, i);
                else
                        sprint(str, "%R", i);
                break;

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

        case D_BRANCH:
                if(bigP != P && bigP->pcond != P)
                        if(a->sym != S)
                                sprint(str, "%llux+%s", bigP->pcond->pc,
                                        a->sym->name);
                        else
                                sprint(str, "%llux", bigP->pcond->pc);
                else
                        sprint(str, "%lld(PC)", a->offset);
                break;

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

        case D_STATIC:
                sprint(str, "%s<%d>+%lld(SB)", a->sym->name,
                        a->sym->version, a->offset);
                break;

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

        case D_PARAM:
                if(a->sym)
                        sprint(str, "%s+%lld(%s)", a->sym->name, a->offset, paramspace);
                else
                        sprint(str, "%lld(%s)", a->offset, paramspace);
                break;

        case D_CONST:
                sprint(str, "$%lld", a->offset);
                break;

        case D_FCONST:
                sprint(str, "$(%.8lux,%.8lux)", a->ieee.h, a->ieee.l);
                break;

        case D_SCONST:
                sprint(str, "$\"%S\"", a->scon);
                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)", a->index, a->scale);
                strcat(str, s);
        }
conv:
        return fmtstrcpy(fp, str);
}

char*   regstr[] =
{
        "AL",           /* [D_AL] */
        "CL",
        "DL",
        "BL",
        "SPB",
        "BPB",
        "SIB",
        "DIB",
        "R8B",
        "R9B",
        "R10B",
        "R11B",
        "R12B",
        "R13B",
        "R14B",
        "R15B",

        "AX",           /* [D_AX] */
        "CX",
        "DX",
        "BX",
        "SP",
        "BP",
        "SI",
        "DI",
        "R8",
        "R9",
        "R10",
        "R11",
        "R12",
        "R13",
        "R14",
        "R15",

        "AH",
        "CH",
        "DH",
        "BH",

        "F0",           /* [D_F0] */
        "F1",
        "F2",
        "F3",
        "F4",
        "F5",
        "F6",
        "F7",

        "M0",
        "M1",
        "M2",
        "M3",
        "M4",
        "M5",
        "M6",
        "M7",

        "X0",
        "X1",
        "X2",
        "X3",
        "X4",
        "X5",
        "X6",
        "X7",
        "X8",
        "X9",
        "X10",
        "X11",
        "X12",
        "X13",
        "X14",
        "X15",

        "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",
        "CR8",
        "CR9",
        "CR10",
        "CR11",
        "CR12",
        "CR13",
        "CR14",
        "CR15",

        "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);
}

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 > 20) {
                print("too many errors\n");
                errorexit();
        }
}