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comparison src/share/vm/memory/genMarkSweep.cpp @ 10179:a08c80e9e1e5

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8012687: Remove unused is_root checks and closures Reviewed-by: tschatzl, jmasa
author stefank
date Mon, 22 Apr 2013 20:27:36 +0200
parents b735136e0d82
children 2f50bc369470
comparison
equal deleted inserted replaced
10178:d391427ddc29 10179:a08c80e9e1e5
280 trace("3"); 280 trace("3");
281 281
282 // Need new claim bits for the pointer adjustment tracing. 282 // Need new claim bits for the pointer adjustment tracing.
283 ClassLoaderDataGraph::clear_claimed_marks(); 283 ClassLoaderDataGraph::clear_claimed_marks();
284 284
285 // Because the two closures below are created statically, cannot 285 // Because the closure below is created statically, we cannot
286 // use OopsInGenClosure constructor which takes a generation, 286 // use OopsInGenClosure constructor which takes a generation,
287 // as the Universe has not been created when the static constructors 287 // as the Universe has not been created when the static constructors
288 // are run. 288 // are run.
289 adjust_root_pointer_closure.set_orig_generation(gch->get_gen(level));
290 adjust_pointer_closure.set_orig_generation(gch->get_gen(level)); 289 adjust_pointer_closure.set_orig_generation(gch->get_gen(level));
291 290
292 gch->gen_process_strong_roots(level, 291 gch->gen_process_strong_roots(level,
293 false, // Younger gens are not roots. 292 false, // Younger gens are not roots.
294 true, // activate StrongRootsScope 293 true, // activate StrongRootsScope
295 false, // not scavenging 294 false, // not scavenging
296 SharedHeap::SO_AllClasses, 295 SharedHeap::SO_AllClasses,
297 &adjust_root_pointer_closure, 296 &adjust_pointer_closure,
298 false, // do not walk code 297 false, // do not walk code
299 &adjust_root_pointer_closure, 298 &adjust_pointer_closure,
300 &adjust_klass_closure); 299 &adjust_klass_closure);
301 300
302 // Now adjust pointers in remaining weak roots. (All of which should 301 // Now adjust pointers in remaining weak roots. (All of which should
303 // have been cleared if they pointed to non-surviving objects.) 302 // have been cleared if they pointed to non-surviving objects.)
304 CodeBlobToOopClosure adjust_code_pointer_closure(&adjust_pointer_closure, 303 CodeBlobToOopClosure adjust_code_pointer_closure(&adjust_pointer_closure,
305 /*do_marking=*/ false); 304 /*do_marking=*/ false);
306 gch->gen_process_weak_roots(&adjust_root_pointer_closure, 305 gch->gen_process_weak_roots(&adjust_pointer_closure,
307 &adjust_code_pointer_closure, 306 &adjust_code_pointer_closure);
308 &adjust_pointer_closure);
309 307
310 adjust_marks(); 308 adjust_marks();
311 GenAdjustPointersClosure blk; 309 GenAdjustPointersClosure blk;
312 gch->generation_iterate(&blk, true); 310 gch->generation_iterate(&blk, true);
313 } 311 }