Cross Reference: /openjdk7/hotspot/src/share/vm/interpreter/oopMapCache.cpp

Lines Matching defs:mask
43   // fills the bit mask for native calls
51   void allocate_bit_mask();   // allocates the bit mask on C heap f necessary
52   void deallocate_bit_mask(); // allocates the bit mask on C heap f necessary
170   // The expection is that the bit mask was allocated
216   uintptr_t mask = 0;
218   for (int i = 0; i < n; i++, mask <<= bits_per_entry) {
220     if (mask == 0) {
222       mask = 1;
225     if ((value & (mask << oop_bit_number)) != 0) oop_closure->offset_do(i);
243   uintptr_t mask = 0;
245   for (int i = 0; i < n; i++, mask <<= bits_per_entry) {
247     if (mask == 0) {
249       mask = 1;
252          if ((value & (mask << dead_bit_number)) != 0)  dead_closure->offset_do(i); // call this for all dead values or oops
253     else if ((value & (mask <<  oop_bit_number)) != 0)   oop_closure->offset_do(i); // call this for all live oops
278   uintptr_t * _mask;                             // the bit mask to be filled
279   int         _size;                             // the mask size in bits
294   MaskFillerForNative(methodHandle method, uintptr_t* mask, int size) : NativeSignatureIterator(method) {
295     _mask   = mask;
308   // Check mask includes map
320     assert(v1 == v2, "locals oop mask generation error");
325     assert(v3 == v4, "locals live mask generation error");
334     assert(v1 == v2, "stack oop mask generation error");
339     assert(v3 == v4, "stack live mask generation error");
349     assert(_bit_mask[0] == 0, "bit mask should be new or just flushed");
358       "This bit mask should not be in the resource area");
369   // fill mask for parameters
397   // compute bit mask size
407   uintptr_t mask = 1;
410   for (int entry_index = 0; entry_index < n_entries; entry_index++, mask <<= bits_per_entry, cell++) {
412     if (mask == 0) {
415       mask = 1;
425       value |= (mask << oop_bit_number );
431       value |= (mask << dead_bit_number);
440   // verify bit mask
441   assert(verify_mask(vars, stack, max_locals, stack_top), "mask could not be verified");
474   // Is the bit mask contained in the entry?
481     // If the bit mask has a value, it should be in the
485       "The bit mask should have been allocated from a resource area");
490     assert(_bit_mask[0] != 0, "bit mask was not allocated");