73 lines
1.5 KiB
C++
73 lines
1.5 KiB
C++
/*
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* Copyright (c) 2019, 2025, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*/
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#ifndef SVM_G1_GC_STRUCTS_H
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#define SVM_G1_GC_STRUCTS_H
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#include <sys/types.h>
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#ifdef __cplusplus
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namespace svm_gc {
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#endif
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struct G1HeapOptions {
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size_t max_heap_size;
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size_t heap_address_space_size;
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size_t physical_memory_size;
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};
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struct G1InitState {
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void* card_table_address;
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void* gc_total_collections_address;
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int tlab_top_offset;
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int tlab_end_offset;
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int satb_queue_marking_offset;
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int satb_queue_buffer_offset;
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int satb_queue_index_offset;
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int card_queue_buffer_offset;
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int card_queue_index_offset;
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int card_table_shift;
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int log_of_heap_region_grain_bytes;
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int java_thread_size;
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int vm_operation_data_size;
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int vm_operation_wrapper_data_size;
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char dirty_card_value;
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char young_card_value;
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};
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struct G1RegionBoundaries {
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u_char *bottom;
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u_char *top;
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};
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struct G1RegionInfo {
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u_char *bottom;
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u_char *top;
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u_char *end;
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u_char *top_at_mark_start;
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u_char *parsable_bottom;
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size_t pinned_object_count;
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char in_collection_set;
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char remembered_set_state;
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char region_type;
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};
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struct G1InternalState {
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unsigned int total_collections;
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unsigned int full_collections;
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void* card_table_start;
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size_t card_table_size;
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void* block_offset_table_start;
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size_t block_offset_table_size;
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};
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#ifdef __cplusplus
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} // namespace svm_gc
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#endif
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#endif // SVM_G1_GC_STRUCTS_H
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