936 // Param:
937 // p, The given pointer
938 // Return:
939 // True if the p is within the mapped shared space, otherwise, false.
940 bool FileMapInfo::is_in_shared_space(const void* p) {
941 for (int i = 0; i < MetaspaceShared::n_regions; i++) {
942 char *base;
943 if (MetaspaceShared::is_string_region(i) && _header->_space[i]._used == 0) {
944 continue;
945 }
946 base = _header->region_addr(i);
947 if (p >= base && p < base + _header->_space[i]._used) {
948 return true;
949 }
950 }
951
952 return false;
953 }
954
955 void FileMapInfo::print_shared_spaces() {
956 gclog_or_tty->print_cr("Shared Spaces:");
957 for (int i = 0; i < MetaspaceShared::n_regions; i++) {
958 struct FileMapInfo::FileMapHeader::space_info* si = &_header->_space[i];
959 char *base = _header->region_addr(i);
960 gclog_or_tty->print(" %s " INTPTR_FORMAT "-" INTPTR_FORMAT,
961 shared_region_name[i],
962 p2i(base), p2i(base + si->_used));
963 }
964 }
965
966 // Unmap mapped regions of shared space.
967 void FileMapInfo::stop_sharing_and_unmap(const char* msg) {
968 FileMapInfo *map_info = FileMapInfo::current_info();
969 if (map_info) {
970 map_info->fail_continue("%s", msg);
971 for (int i = 0; i < MetaspaceShared::num_non_strings; i++) {
972 char *addr = map_info->_header->region_addr(i);
973 if (addr != NULL && !MetaspaceShared::is_string_region(i)) {
974 map_info->unmap_region(i);
975 map_info->_header->_space[i]._addr._base = NULL;
976 }
977 }
978 // Dealloc the string regions only without unmapping. The string regions are part
979 // of the java heap. Unmapping of the heap regions are managed by GC.
980 map_info->dealloc_string_regions();
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936 // Param:
937 // p, The given pointer
938 // Return:
939 // True if the p is within the mapped shared space, otherwise, false.
940 bool FileMapInfo::is_in_shared_space(const void* p) {
941 for (int i = 0; i < MetaspaceShared::n_regions; i++) {
942 char *base;
943 if (MetaspaceShared::is_string_region(i) && _header->_space[i]._used == 0) {
944 continue;
945 }
946 base = _header->region_addr(i);
947 if (p >= base && p < base + _header->_space[i]._used) {
948 return true;
949 }
950 }
951
952 return false;
953 }
954
955 void FileMapInfo::print_shared_spaces() {
956 tty->print_cr("Shared Spaces:");
957 for (int i = 0; i < MetaspaceShared::n_regions; i++) {
958 struct FileMapInfo::FileMapHeader::space_info* si = &_header->_space[i];
959 char *base = _header->region_addr(i);
960 tty->print(" %s " INTPTR_FORMAT "-" INTPTR_FORMAT,
961 shared_region_name[i],
962 p2i(base), p2i(base + si->_used));
963 }
964 }
965
966 // Unmap mapped regions of shared space.
967 void FileMapInfo::stop_sharing_and_unmap(const char* msg) {
968 FileMapInfo *map_info = FileMapInfo::current_info();
969 if (map_info) {
970 map_info->fail_continue("%s", msg);
971 for (int i = 0; i < MetaspaceShared::num_non_strings; i++) {
972 char *addr = map_info->_header->region_addr(i);
973 if (addr != NULL && !MetaspaceShared::is_string_region(i)) {
974 map_info->unmap_region(i);
975 map_info->_header->_space[i]._addr._base = NULL;
976 }
977 }
978 // Dealloc the string regions only without unmapping. The string regions are part
979 // of the java heap. Unmapping of the heap regions are managed by GC.
980 map_info->dealloc_string_regions();
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