1 /* |
1 /* |
2 * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2015, 2018, 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. |
27 |
27 |
28 #include "gc/g1/g1Allocator.hpp" |
28 #include "gc/g1/g1Allocator.hpp" |
29 #include "gc/g1/g1AllocRegion.inline.hpp" |
29 #include "gc/g1/g1AllocRegion.inline.hpp" |
30 #include "gc/shared/plab.inline.hpp" |
30 #include "gc/shared/plab.inline.hpp" |
31 |
31 |
32 HeapWord* G1Allocator::attempt_allocation(size_t word_size) { |
32 inline MutatorAllocRegion* G1Allocator::mutator_alloc_region() { |
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33 return &_mutator_alloc_region; |
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34 } |
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35 |
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36 inline SurvivorGCAllocRegion* G1Allocator::survivor_gc_alloc_region() { |
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37 return &_survivor_gc_alloc_region; |
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38 } |
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39 |
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40 inline OldGCAllocRegion* G1Allocator::old_gc_alloc_region() { |
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41 return &_old_gc_alloc_region; |
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42 } |
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43 |
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44 inline HeapWord* G1Allocator::attempt_allocation(size_t word_size) { |
33 return mutator_alloc_region()->attempt_allocation(word_size); |
45 return mutator_alloc_region()->attempt_allocation(word_size); |
34 } |
46 } |
35 |
47 |
36 HeapWord* G1Allocator::attempt_allocation_locked(size_t word_size) { |
48 inline HeapWord* G1Allocator::attempt_allocation_locked(size_t word_size) { |
37 HeapWord* result = mutator_alloc_region()->attempt_allocation_locked(word_size); |
49 HeapWord* result = mutator_alloc_region()->attempt_allocation_locked(word_size); |
38 assert(result != NULL || mutator_alloc_region()->get() == NULL, |
50 assert(result != NULL || mutator_alloc_region()->get() == NULL, |
39 "Must not have a mutator alloc region if there is no memory, but is " PTR_FORMAT, p2i(mutator_alloc_region()->get())); |
51 "Must not have a mutator alloc region if there is no memory, but is " PTR_FORMAT, p2i(mutator_alloc_region()->get())); |
40 return result; |
52 return result; |
41 } |
53 } |
42 |
54 |
43 HeapWord* G1Allocator::attempt_allocation_force(size_t word_size) { |
55 inline HeapWord* G1Allocator::attempt_allocation_force(size_t word_size) { |
44 return mutator_alloc_region()->attempt_allocation_force(word_size); |
56 return mutator_alloc_region()->attempt_allocation_force(word_size); |
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57 } |
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58 |
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59 inline PLAB* G1PLABAllocator::alloc_buffer(InCSetState dest) { |
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60 assert(dest.is_valid(), |
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61 "Allocation buffer index out-of-bounds: " CSETSTATE_FORMAT, dest.value()); |
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62 assert(_alloc_buffers[dest.value()] != NULL, |
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63 "Allocation buffer is NULL: " CSETSTATE_FORMAT, dest.value()); |
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64 return _alloc_buffers[dest.value()]; |
45 } |
65 } |
46 |
66 |
47 inline HeapWord* G1PLABAllocator::plab_allocate(InCSetState dest, |
67 inline HeapWord* G1PLABAllocator::plab_allocate(InCSetState dest, |
48 size_t word_sz) { |
68 size_t word_sz) { |
49 PLAB* buffer = alloc_buffer(dest); |
69 PLAB* buffer = alloc_buffer(dest); |
50 if (_survivor_alignment_bytes == 0 || !dest.is_young()) { |
70 if (_survivor_alignment_bytes == 0 || !dest.is_young()) { |
51 return buffer->allocate(word_sz); |
71 return buffer->allocate(word_sz); |
52 } else { |
72 } else { |
53 return buffer->allocate_aligned(word_sz, _survivor_alignment_bytes); |
73 return buffer->allocate_aligned(word_sz, _survivor_alignment_bytes); |
54 } |
74 } |
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75 } |
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76 |
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77 inline HeapWord* G1PLABAllocator::allocate(InCSetState dest, |
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78 size_t word_sz, |
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79 bool* refill_failed) { |
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80 HeapWord* const obj = plab_allocate(dest, word_sz); |
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81 if (obj != NULL) { |
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82 return obj; |
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83 } |
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84 return allocate_direct_or_new_plab(dest, word_sz, refill_failed); |
55 } |
85 } |
56 |
86 |
57 // Create the maps which is used to identify archive objects. |
87 // Create the maps which is used to identify archive objects. |
58 inline void G1ArchiveAllocator::enable_archive_object_check() { |
88 inline void G1ArchiveAllocator::enable_archive_object_check() { |
59 if (_archive_check_enabled) { |
89 if (_archive_check_enabled) { |