330 virtual void do_ptr(void** p) = 0;
331
332 // Read/write the 32-bit unsigned integer pointed to by p.
333 virtual void do_u4(u4* p) = 0;
334
335 // Read/write the bool pointed to by p.
336 virtual void do_bool(bool* p) = 0;
337
338 // Read/write the region specified.
339 virtual void do_region(u_char* start, size_t size) = 0;
340
341 // Check/write the tag. If reading, then compare the tag against
342 // the passed in value and fail is they don't match. This allows
343 // for verification that sections of the serialized data are of the
344 // correct length.
345 virtual void do_tag(int tag) = 0;
346
347 // Read/write the oop
348 virtual void do_oop(oop* o) = 0;
349
350 bool writing() {
351 return !reading();
352 }
353 };
354
355 class SymbolClosure : public StackObj {
356 public:
357 virtual void do_symbol(Symbol**) = 0;
358
359 // Clear LSB in symbol address; it can be set by CPSlot.
360 static Symbol* load_symbol(Symbol** p) {
361 return (Symbol*)(intptr_t(*p) & ~1);
362 }
363
364 // Store symbol, adjusting new pointer if the original pointer was adjusted
365 // (symbol references in constant pool slots have their LSB set to 1).
366 static void store_symbol(Symbol** p, Symbol* sym) {
367 *p = (Symbol*)(intptr_t(sym) | (intptr_t(*p) & 1));
368 }
369 };
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330 virtual void do_ptr(void** p) = 0;
331
332 // Read/write the 32-bit unsigned integer pointed to by p.
333 virtual void do_u4(u4* p) = 0;
334
335 // Read/write the bool pointed to by p.
336 virtual void do_bool(bool* p) = 0;
337
338 // Read/write the region specified.
339 virtual void do_region(u_char* start, size_t size) = 0;
340
341 // Check/write the tag. If reading, then compare the tag against
342 // the passed in value and fail is they don't match. This allows
343 // for verification that sections of the serialized data are of the
344 // correct length.
345 virtual void do_tag(int tag) = 0;
346
347 // Read/write the oop
348 virtual void do_oop(oop* o) = 0;
349
350 // Read/write a oop that's the type of java.lang.Class
351 virtual void do_mirror_oop(oop* o) = 0;
352
353 bool writing() {
354 return !reading();
355 }
356 };
357
358 class SymbolClosure : public StackObj {
359 public:
360 virtual void do_symbol(Symbol**) = 0;
361
362 // Clear LSB in symbol address; it can be set by CPSlot.
363 static Symbol* load_symbol(Symbol** p) {
364 return (Symbol*)(intptr_t(*p) & ~1);
365 }
366
367 // Store symbol, adjusting new pointer if the original pointer was adjusted
368 // (symbol references in constant pool slots have their LSB set to 1).
369 static void store_symbol(Symbol** p, Symbol* sym) {
370 *p = (Symbol*)(intptr_t(sym) | (intptr_t(*p) & 1));
371 }
372 };
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