3330 // If using shared space, open the file that contains the shared space
3331 // and map in the memory before initializing the rest of metaspace (so
3332 // the addresses don't conflict)
3333 address cds_address = NULL;
3334 FileMapInfo* mapinfo = new FileMapInfo();
3335
3336 // Open the shared archive file, read and validate the header. If
3337 // initialization fails, shared spaces [UseSharedSpaces] are
3338 // disabled and the file is closed.
3339 // Map in spaces now also
3340 if (mapinfo->initialize() && MetaspaceShared::map_shared_spaces(mapinfo)) {
3341 size_t cds_total = MetaspaceShared::core_spaces_size();
3342 cds_address = (address)mapinfo->header()->region_addr(0);
3343 #ifdef _LP64
3344 if (using_class_space()) {
3345 char* cds_end = (char*)(cds_address + cds_total);
3346 cds_end = (char *)align_up(cds_end, _reserve_alignment);
3347 // If UseCompressedClassPointers is set then allocate the metaspace area
3348 // above the heap and above the CDS area (if it exists).
3349 allocate_metaspace_compressed_klass_ptrs(cds_end, cds_address);
3350 // Map the shared string space after compressed pointers
3351 // because it relies on compressed class pointers setting to work
3352 mapinfo->map_string_regions();
3353 }
3354 #endif // _LP64
3355 } else {
3356 assert(!mapinfo->is_open() && !UseSharedSpaces,
3357 "archive file not closed or shared spaces not disabled.");
3358 }
3359 }
3360 #endif // INCLUDE_CDS
3361
3362 #ifdef _LP64
3363 if (!UseSharedSpaces && using_class_space()) {
3364 if (DumpSharedSpaces) {
3365 // Already initialized inside MetaspaceShared::initialize_shared_rs()
3366 } else {
3367 char* base = (char*)align_up(Universe::heap()->reserved_region().end(), _reserve_alignment);
3368 allocate_metaspace_compressed_klass_ptrs(base, 0);
3369 }
3370 }
3371 #endif // _LP64
3372
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3330 // If using shared space, open the file that contains the shared space
3331 // and map in the memory before initializing the rest of metaspace (so
3332 // the addresses don't conflict)
3333 address cds_address = NULL;
3334 FileMapInfo* mapinfo = new FileMapInfo();
3335
3336 // Open the shared archive file, read and validate the header. If
3337 // initialization fails, shared spaces [UseSharedSpaces] are
3338 // disabled and the file is closed.
3339 // Map in spaces now also
3340 if (mapinfo->initialize() && MetaspaceShared::map_shared_spaces(mapinfo)) {
3341 size_t cds_total = MetaspaceShared::core_spaces_size();
3342 cds_address = (address)mapinfo->header()->region_addr(0);
3343 #ifdef _LP64
3344 if (using_class_space()) {
3345 char* cds_end = (char*)(cds_address + cds_total);
3346 cds_end = (char *)align_up(cds_end, _reserve_alignment);
3347 // If UseCompressedClassPointers is set then allocate the metaspace area
3348 // above the heap and above the CDS area (if it exists).
3349 allocate_metaspace_compressed_klass_ptrs(cds_end, cds_address);
3350 // Map the archived heap regions after compressed pointers
3351 // because it relies on compressed class pointers setting to work
3352 mapinfo->map_heap_regions();
3353 }
3354 #endif // _LP64
3355 } else {
3356 assert(!mapinfo->is_open() && !UseSharedSpaces,
3357 "archive file not closed or shared spaces not disabled.");
3358 }
3359 }
3360 #endif // INCLUDE_CDS
3361
3362 #ifdef _LP64
3363 if (!UseSharedSpaces && using_class_space()) {
3364 if (DumpSharedSpaces) {
3365 // Already initialized inside MetaspaceShared::initialize_shared_rs()
3366 } else {
3367 char* base = (char*)align_up(Universe::heap()->reserved_region().end(), _reserve_alignment);
3368 allocate_metaspace_compressed_klass_ptrs(base, 0);
3369 }
3370 }
3371 #endif // _LP64
3372
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