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comparison src/share/vm/gc_interface/collectedHeap.hpp @ 3774:c9ca3f51cf41

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6994322: Remove the is_tlab and is_noref / is_large_noref parameters from the CollectedHeap Summary: Remove two unused parameters from the mem_allocate() method and update its uses accordingly. Reviewed-by: stefank, johnc
author tonyp
date Thu, 16 Jun 2011 15:51:57 -0400
parents 6747fd0512e0
children a92cdbac8b9e
comparison
equal deleted inserted replaced
3773:5130fa1b24f1 3774:c9ca3f51cf41
1 /* 1 /*
2 * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
91 // This code could perhaps be moved into initialize() but would 91 // This code could perhaps be moved into initialize() but would
92 // be slightly more awkward because we want the latter to be a 92 // be slightly more awkward because we want the latter to be a
93 // pure virtual. 93 // pure virtual.
94 void pre_initialize(); 94 void pre_initialize();
95 95
96 // Create a new tlab 96 // Create a new tlab. All TLAB allocations must go through this.
97 virtual HeapWord* allocate_new_tlab(size_t size); 97 virtual HeapWord* allocate_new_tlab(size_t size);
98 98
99 // Accumulate statistics on all tlabs. 99 // Accumulate statistics on all tlabs.
100 virtual void accumulate_statistics_all_tlabs(); 100 virtual void accumulate_statistics_all_tlabs();
101 101
107 inline static HeapWord* allocate_from_tlab(Thread* thread, size_t size); 107 inline static HeapWord* allocate_from_tlab(Thread* thread, size_t size);
108 static HeapWord* allocate_from_tlab_slow(Thread* thread, size_t size); 108 static HeapWord* allocate_from_tlab_slow(Thread* thread, size_t size);
109 109
110 // Allocate an uninitialized block of the given size, or returns NULL if 110 // Allocate an uninitialized block of the given size, or returns NULL if
111 // this is impossible. 111 // this is impossible.
112 inline static HeapWord* common_mem_allocate_noinit(size_t size, bool is_noref, TRAPS); 112 inline static HeapWord* common_mem_allocate_noinit(size_t size, TRAPS);
113 113
114 // Like allocate_init, but the block returned by a successful allocation 114 // Like allocate_init, but the block returned by a successful allocation
115 // is guaranteed initialized to zeros. 115 // is guaranteed initialized to zeros.
116 inline static HeapWord* common_mem_allocate_init(size_t size, bool is_noref, TRAPS); 116 inline static HeapWord* common_mem_allocate_init(size_t size, TRAPS);
117 117
118 // Same as common_mem version, except memory is allocated in the permanent area 118 // Same as common_mem version, except memory is allocated in the permanent area
119 // If there is no permanent area, revert to common_mem_allocate_noinit 119 // If there is no permanent area, revert to common_mem_allocate_noinit
120 inline static HeapWord* common_permanent_mem_allocate_noinit(size_t size, TRAPS); 120 inline static HeapWord* common_permanent_mem_allocate_noinit(size_t size, TRAPS);
121 121
320 virtual void preload_and_dump(TRAPS) { ShouldNotReachHere(); } 320 virtual void preload_and_dump(TRAPS) { ShouldNotReachHere(); }
321 321
322 // General obj/array allocation facilities. 322 // General obj/array allocation facilities.
323 inline static oop obj_allocate(KlassHandle klass, int size, TRAPS); 323 inline static oop obj_allocate(KlassHandle klass, int size, TRAPS);
324 inline static oop array_allocate(KlassHandle klass, int size, int length, TRAPS); 324 inline static oop array_allocate(KlassHandle klass, int size, int length, TRAPS);
325 inline static oop large_typearray_allocate(KlassHandle klass, int size, int length, TRAPS);
326 325
327 // Special obj/array allocation facilities. 326 // Special obj/array allocation facilities.
328 // Some heaps may want to manage "permanent" data uniquely. These default 327 // Some heaps may want to manage "permanent" data uniquely. These default
329 // to the general routines if the heap does not support such handling. 328 // to the general routines if the heap does not support such handling.
330 inline static oop permanent_obj_allocate(KlassHandle klass, int size, TRAPS); 329 inline static oop permanent_obj_allocate(KlassHandle klass, int size, TRAPS);
343 inline static oop permanent_array_allocate(KlassHandle klass, int size, int length, TRAPS); 342 inline static oop permanent_array_allocate(KlassHandle klass, int size, int length, TRAPS);
344 343
345 // Raw memory allocation facilities 344 // Raw memory allocation facilities
346 // The obj and array allocate methods are covers for these methods. 345 // The obj and array allocate methods are covers for these methods.
347 // The permanent allocation method should default to mem_allocate if 346 // The permanent allocation method should default to mem_allocate if
348 // permanent memory isn't supported. 347 // permanent memory isn't supported. mem_allocate() should never be
348 // called to allocate TLABs, only individual objects.
349 virtual HeapWord* mem_allocate(size_t size, 349 virtual HeapWord* mem_allocate(size_t size,
350 bool is_noref,
351 bool is_tlab,
352 bool* gc_overhead_limit_was_exceeded) = 0; 350 bool* gc_overhead_limit_was_exceeded) = 0;
353 virtual HeapWord* permanent_mem_allocate(size_t size) = 0; 351 virtual HeapWord* permanent_mem_allocate(size_t size) = 0;
354
355 // The boundary between a "large" and "small" array of primitives, in words.
356 virtual size_t large_typearray_limit() = 0;
357 352
358 // Utilities for turning raw memory into filler objects. 353 // Utilities for turning raw memory into filler objects.
359 // 354 //
360 // min_fill_size() is the smallest region that can be filled. 355 // min_fill_size() is the smallest region that can be filled.
361 // fill_with_objects() can fill arbitrary-sized regions of the heap using 356 // fill_with_objects() can fill arbitrary-sized regions of the heap using