66
67 bool MetaspaceShared::_has_error_classes;
68 bool MetaspaceShared::_archive_loading_failed = false;
69 bool MetaspaceShared::_remapped_readwrite = false;
70 address MetaspaceShared::_cds_i2i_entry_code_buffers = NULL;
71 size_t MetaspaceShared::_cds_i2i_entry_code_buffers_size = 0;
72 SharedMiscRegion MetaspaceShared::_mc;
73 SharedMiscRegion MetaspaceShared::_md;
74 SharedMiscRegion MetaspaceShared::_od;
75
76 void SharedMiscRegion::initialize(ReservedSpace rs, size_t committed_byte_size, SharedSpaceType space_type) {
77 _vs.initialize(rs, committed_byte_size);
78 _alloc_top = _vs.low();
79 _space_type = space_type;
80 }
81
82 // NOT thread-safe, but this is called during dump time in single-threaded mode.
83 char* SharedMiscRegion::alloc(size_t num_bytes) {
84 assert(DumpSharedSpaces, "dump time only");
85 size_t alignment = sizeof(char*);
86 num_bytes = align_size_up(num_bytes, alignment);
87 _alloc_top = align_ptr_up(_alloc_top, alignment);
88 if (_alloc_top + num_bytes > _vs.high()) {
89 report_out_of_shared_space(_space_type);
90 }
91
92 char* p = _alloc_top;
93 _alloc_top += num_bytes;
94
95 memset(p, 0, num_bytes);
96 return p;
97 }
98
99 void MetaspaceShared::initialize_shared_rs(ReservedSpace* rs) {
100 assert(DumpSharedSpaces, "dump time only");
101 _shared_rs = rs;
102
103 size_t core_spaces_size = FileMapInfo::core_spaces_size();
104 size_t metadata_size = SharedReadOnlySize + SharedReadWriteSize;
105
106 // Split into the core and optional sections
107 ReservedSpace core_data = _shared_rs->first_part(core_spaces_size);
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66
67 bool MetaspaceShared::_has_error_classes;
68 bool MetaspaceShared::_archive_loading_failed = false;
69 bool MetaspaceShared::_remapped_readwrite = false;
70 address MetaspaceShared::_cds_i2i_entry_code_buffers = NULL;
71 size_t MetaspaceShared::_cds_i2i_entry_code_buffers_size = 0;
72 SharedMiscRegion MetaspaceShared::_mc;
73 SharedMiscRegion MetaspaceShared::_md;
74 SharedMiscRegion MetaspaceShared::_od;
75
76 void SharedMiscRegion::initialize(ReservedSpace rs, size_t committed_byte_size, SharedSpaceType space_type) {
77 _vs.initialize(rs, committed_byte_size);
78 _alloc_top = _vs.low();
79 _space_type = space_type;
80 }
81
82 // NOT thread-safe, but this is called during dump time in single-threaded mode.
83 char* SharedMiscRegion::alloc(size_t num_bytes) {
84 assert(DumpSharedSpaces, "dump time only");
85 size_t alignment = sizeof(char*);
86 num_bytes = align_up(num_bytes, alignment);
87 _alloc_top = align_up(_alloc_top, alignment);
88 if (_alloc_top + num_bytes > _vs.high()) {
89 report_out_of_shared_space(_space_type);
90 }
91
92 char* p = _alloc_top;
93 _alloc_top += num_bytes;
94
95 memset(p, 0, num_bytes);
96 return p;
97 }
98
99 void MetaspaceShared::initialize_shared_rs(ReservedSpace* rs) {
100 assert(DumpSharedSpaces, "dump time only");
101 _shared_rs = rs;
102
103 size_t core_spaces_size = FileMapInfo::core_spaces_size();
104 size_t metadata_size = SharedReadOnlySize + SharedReadWriteSize;
105
106 // Split into the core and optional sections
107 ReservedSpace core_data = _shared_rs->first_part(core_spaces_size);
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