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