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comparison src/share/vm/memory/sharedHeap.hpp @ 20254:9fec19bb0659

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8032379: Remove the is_scavenging flag to process_strong_roots Summary: Refactor the strong root processing to avoid using a boolean in addition to the ScanOption enum. Reviewed-by: stefank, tschatzl, ehelin, jmasa
author mgerdin
date Tue, 14 Jan 2014 16:40:33 +0100
parents 55fb97c4c58d
children 63a4eb8bcd23 7426d8d76305
comparison
equal deleted inserted replaced
20253:731e8175d53f 20254:9fec19bb0659
219 enum ScanningOption { 219 enum ScanningOption {
220 SO_None = 0x0, 220 SO_None = 0x0,
221 SO_AllClasses = 0x1, 221 SO_AllClasses = 0x1,
222 SO_SystemClasses = 0x2, 222 SO_SystemClasses = 0x2,
223 SO_Strings = 0x4, 223 SO_Strings = 0x4,
224 SO_CodeCache = 0x8 224 SO_AllCodeCache = 0x8,
225 SO_ScavengeCodeCache = 0x10
225 }; 226 };
226 227
227 FlexibleWorkGang* workers() const { return _workers; } 228 FlexibleWorkGang* workers() const { return _workers; }
228 229
229 // Invoke the "do_oop" method the closure "roots" on all root locations. 230 // Invoke the "do_oop" method the closure "roots" on all root locations.
230 // The "so" argument determines which roots the closure is applied to: 231 // The "so" argument determines which roots the closure is applied to:
231 // "SO_None" does none; 232 // "SO_None" does none;
232 // "SO_AllClasses" applies the closure to all entries in the SystemDictionary; 233 // "SO_AllClasses" applies the closure to all entries in the SystemDictionary;
233 // "SO_SystemClasses" to all the "system" classes and loaders; 234 // "SO_SystemClasses" to all the "system" classes and loaders;
234 // "SO_Strings" applies the closure to all entries in StringTable; 235 // "SO_Strings" applies the closure to all entries in StringTable;
235 // "SO_CodeCache" applies the closure to all elements of the CodeCache. 236 // "SO_AllCodeCache" applies the closure to all elements of the CodeCache.
237 // "SO_ScavengeCodeCache" applies the closure to elements on the scavenge root list in the CodeCache.
236 void process_strong_roots(bool activate_scope, 238 void process_strong_roots(bool activate_scope,
237 bool is_scavenging,
238 ScanningOption so, 239 ScanningOption so,
239 OopClosure* roots, 240 OopClosure* roots,
240 CodeBlobClosure* code_roots, 241 CodeBlobClosure* code_roots,
241 KlassClosure* klass_closure); 242 KlassClosure* klass_closure);
242 243