27 28 #include "memory/metaspaceShared.hpp" 29 #include "memory/metaspace.hpp" 30 31 // Layout of the file: 32 // header: dump of archive instance plus versioning info, datestamp, etc. 33 // [magic # = 0xF00BABA2] 34 // ... padding to align on page-boundary 35 // read-write space 36 // read-only space 37 // misc data (block offset table, string table, symbols, dictionary, etc.) 38 // tag(666) 39 40 static const int JVM_IDENT_MAX = 256; 41 42 class Metaspace; 43 44 class SharedClassPathEntry VALUE_OBJ_CLASS_SPEC { 45 public: 46 const char *_name; 47 time_t _timestamp; // jar timestamp, 0 if is directory 48 long _filesize; // jar file size, -1 if is directory 49 bool is_dir() { 50 return _filesize == -1; 51 } 52 }; 53 54 class FileMapInfo : public CHeapObj<mtInternal> { 55 private: 56 friend class ManifestStream; 57 enum { 58 _invalid_version = -1, 59 _current_version = 2 60 }; 61 62 bool _file_open; 63 int _fd; 64 size_t _file_offset; 65 66 private: 67 static SharedClassPathEntry* _classpath_entry_table; 68 static int _classpath_entry_table_size; | 27 28 #include "memory/metaspaceShared.hpp" 29 #include "memory/metaspace.hpp" 30 31 // Layout of the file: 32 // header: dump of archive instance plus versioning info, datestamp, etc. 33 // [magic # = 0xF00BABA2] 34 // ... padding to align on page-boundary 35 // read-write space 36 // read-only space 37 // misc data (block offset table, string table, symbols, dictionary, etc.) 38 // tag(666) 39 40 static const int JVM_IDENT_MAX = 256; 41 42 class Metaspace; 43 44 class SharedClassPathEntry VALUE_OBJ_CLASS_SPEC { 45 public: 46 const char *_name; 47 time_t _timestamp; // jar timestamp, 0 if is directory or other 48 long _filesize; // jar file size, -1 if is directory, -2 if other 49 bool is_jar() { 50 return _timestamp != 0; 51 } 52 bool is_dir() { 53 return _filesize == -1; 54 } 55 }; 56 57 class FileMapInfo : public CHeapObj<mtInternal> { 58 private: 59 friend class ManifestStream; 60 enum { 61 _invalid_version = -1, 62 _current_version = 2 63 }; 64 65 bool _file_open; 66 int _fd; 67 size_t _file_offset; 68 69 private: 70 static SharedClassPathEntry* _classpath_entry_table; 71 static int _classpath_entry_table_size; |