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