{
    int i, f, n, got;
    static int nbad;
    void *v;

    /* initialize ptab first time through for quick access */
    if(ptab[DwarfAttrName].name != DwarfAttrName)
        for(i=0; plist[i].name; i++)
            ptab[plist[i].name] = plist[i];

    memset(attrs, 0, sizeof *attrs);
    attrs->tag = a->tag;
    attrs->haskids = a->haskids;

    for(i=0; i<a->nattr; i++){
        n = a->attr[i].name;
        f = a->attr[i].form;
        if(n < 0 || n >= DwarfAttrMax || ptab[n].name==0){
            if(++nbad == 1)
                werrstr("dwarf parse attrs: unexpected attribute name 0x%x", n);
            continue; //return -1;
        }
        v = (char*)attrs + ptab[n].off;
        got = 0;
        if(f == FormIndirect)
            f = dwarfget128(b);
        if((ptab[n].type&(TConstant|TReference|TAddress))
        && getulong(b, f, unit, v, &got) >= 0)
            ;
        else if((ptab[n].type&TFlag) && getuchar(b, f, v) >= 0)
            got = TFlag;
        else if((ptab[n].type&TString) && getstring(b, f, v) >= 0)
            got = TString;
        else if((ptab[n].type&TBlock) && getblock(b, f, v) >= 0)
            got = TBlock;
        else{
            if(skipform(b, f) < 0){
                if(++nbad == 1)
                    werrstr("dwarf parse attrs: cannot skip form %d", f);
                return -1;
            }
        }
        if(got == TBlock && (ptab[n].type&TConstant))
            got = constblock(b->d, v, v);
        *((uchar*)attrs+ptab[n].haveoff) = got;
    }
    return 0;
}

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