n        int32 // # of bits
	bytedata *uint8
}

// ptrbit returns the i'th bit in bv.
// ptrbit is less efficient than iterating directly over bitvector bits,
// and should only be used in non-performance-critical code.
// See adjustpointers for an example of a high-efficiency walk of a bitvector.
func (bv *bitvector) ptrbit(i uintptr) uint8 {
	b := *(addb(bv.bytedata, i/8))
	return (b >> (i % 8)) & 1
}

		if s.PkgIdx != goobj.PkgIdxHashed {
			// We don't need the data for non-hashed symbols, yet.
			panic("not supported")
		}
		i := uint32(s.SymIdx + uint32(r.NSym()+r.NHashed64def()))
		return r.BytesAt(r.DataOff(i), r.DataSize(i))
	}

	ndef := uint32(r.NSym() + r.NHashed64def() + r.NHasheddef() + r.NNonpkgdef())
	for i := uint32(0); i < ndef; i++ {
		osym := r.Sym(i)
		addr := uint64(r.DataOff(i))

			workDone += markrootBlock(datap.data, datap.edata-datap.data, datap.gcdatamask.bytedata, gcw, int(i-work.baseData))
		}

	case work.baseBSS <= i && i < work.baseSpans:
		workCounter = &gcController.globalsScanWork
		for _, datap := range activeModules() {
			workDone += markrootBlock(datap.bss, datap.ebss-datap.bss, datap.gcbssmask.bytedata, gcw, int(i-work.baseBSS))
		}

	case i == fixedRootFinalizers:

			if datap.data <= dst && dst < datap.edata {
				bulkBarrierBitmap(dst, src, size, dst-datap.data, datap.gcdatamask.bytedata)
				return
			}
		}
		for _, datap := range activeModules() {
			if datap.bss <= dst && dst < datap.ebss {
				bulkBarrierBitmap(dst, src, size, dst-datap.bss, datap.gcbssmask.bytedata)
				return
			}
		}
		return
	} else if s.state.get() != mSpanInUse || dst < s.base() || s.limit <= dst {

		if b&0x80 == 0 {
			break
		}
		shift += 7
	}
	return n, v
}

type stackmap struct {
	n        int32   // number of bitmaps
	nbit     int32   // number of bits in each bitmap
	bytedata [1]byte // bitmaps, each starting on a byte boundary
}

// stackmapdata should be an internal detail,
// but widely used packages access it using linkname.
// Notable members of the hall of shame include:

region.byteStats.proportionalResident;}
if(region.byteStats.privateCleanResident!==undefined){thisByteStats.javaBaseCleanResident=(thisByteStats.javaBaseCleanResident||0)+
region.byteStats.privateCleanResident;}
if(region.byteStats.sharedCleanResident!==undefined){thisByteStats.javaBaseCleanResident=(thisByteStats.javaBaseCleanResident||0)+
region.byteStats.sharedCleanResident;}}

    parser.emitError(parser.getNameLoc(), "Hex string doesn't start with `0x`");
    return nullptr;
  }

  std::string bytes_data = absl::HexStringToBytes(data.substr(2));
  return ConstBytesAttr::get(parser.getBuilder().getContext(), bytes_data);
}

void ConstBytesAttr::print(mlir::AsmPrinter& printer) const {
  StringRef bytes_str = getValue();
  // Elide the attribute if flag is set.