--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/runtime/hpi.hpp Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,224 @@
+/*
+ * Copyright 1998-2006 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+//
+// C++ wrapper to HPI.
+//
+
+class hpi : AllStatic {
+
+private:
+ static GetInterfaceFunc _get_interface;
+ static HPI_FileInterface* _file;
+ static HPI_SocketInterface* _socket;
+ static HPI_LibraryInterface* _library;
+ static HPI_SystemInterface* _system;
+
+private:
+ static void initialize_get_interface(vm_calls_t *callbacks);
+
+public:
+ // Load and initialize everything except sockets.
+ static jint initialize();
+
+ // Socket library needs to be lazy intialized because eagerly
+ // loading Winsock is known to cause "connect to your ISP"
+ // dialog to show up. Or so goes the legend.
+ static jint initialize_socket_library();
+
+ // HPI_FileInterface
+ static inline char* native_path(char *path);
+ static inline int file_type(const char *path);
+ static inline int open(const char *name, int mode, int perm);
+ static inline int close(int fd);
+ static inline jlong lseek(int fd, jlong off, int whence);
+ static inline int ftruncate(int fd, jlong length);
+ static inline int fsync(int fd);
+ static inline int available(int fd, jlong *bytes);
+ static inline size_t read(int fd, void *buf, unsigned int nBytes);
+ static inline size_t write(int fd, const void *buf, unsigned int nBytes);
+ static inline int fsize(int fd, jlong *size);
+
+ // HPI_SocketInterface
+ static inline int socket(int domain, int type, int protocol);
+ static inline int socket_close(int fd);
+ static inline int socket_shutdown(int fd, int howto);
+ static inline int recv(int fd, char *buf, int nBytes, int flags);
+ static inline int send(int fd, char *buf, int nBytes, int flags);
+ static inline int timeout(int fd, long timeout);
+ static inline int listen(int fd, int count);
+ static inline int connect(int fd, struct sockaddr *him, int len);
+ static inline int bind(int fd, struct sockaddr *him, int len);
+ static inline int accept(int fd, struct sockaddr *him, int *len);
+ static inline int recvfrom(int fd, char *buf, int nbytes, int flags,
+ struct sockaddr *from, int *fromlen);
+ static inline int get_sock_name(int fd, struct sockaddr *him, int *len);
+ static inline int sendto(int fd, char *buf, int len, int flags,
+ struct sockaddr *to, int tolen);
+ static inline int socket_available(int fd, jint *pbytes);
+
+ static inline int get_sock_opt(int fd, int level, int optname,
+ char *optval, int* optlen);
+ static inline int set_sock_opt(int fd, int level, int optname,
+ const char *optval, int optlen);
+ static inline int get_host_name(char* name, int namelen);
+ static inline struct hostent* get_host_by_addr(const char* name, int len, int type);
+ static inline struct hostent* get_host_by_name(char* name);
+ static inline struct protoent* get_proto_by_name(char* name);
+
+ // HPI_LibraryInterface
+ static inline void dll_build_name(char *buf, int buf_len, char* path,
+ const char *name);
+ static inline void* dll_load(const char *name, char *ebuf, int ebuflen);
+ static inline void dll_unload(void *lib);
+ static inline void* dll_lookup(void *lib, const char *name);
+
+ // HPI_SystemInterface
+ static inline int lasterror(char *buf, int len);
+};
+
+//
+// Macros that provide inline bodies for the functions.
+//
+
+#define HPIDECL(name, names, intf, func, ret_type, ret_fmt, arg_type, arg_print, arg) \
+ inline ret_type hpi::name arg_type { \
+ if (TraceHPI) { \
+ tty->print("hpi::" names "("); \
+ tty->print arg_print ; \
+ tty->print(") = "); \
+ } \
+ ret_type result = (*intf->func) arg ; \
+ if (TraceHPI) { \
+ tty->print_cr(ret_fmt, result); \
+ } \
+ return result; \
+ }
+
+// Macro to facilitate moving HPI functionality into the vm.
+// See bug 6348631. The only difference between this macro and
+// HPIDECL is that we call a vm method rather than use the HPI
+// transfer vector. Ultimately, we'll replace HPIDECL with
+// VM_HPIDECL for all hpi methods.
+#define VM_HPIDECL(name, names, func, ret_type, ret_fmt, arg_type,arg_print, arg) \
+ inline ret_type hpi::name arg_type { \
+ if (TraceHPI) { \
+ tty->print("hpi::" names "("); \
+ tty->print arg_print ; \
+ tty->print(") = "); \
+ } \
+ ret_type result = func arg ; \
+ if (TraceHPI) { \
+ tty->print_cr(ret_fmt, result); \
+ } \
+ return result; \
+ }
+
+
+
+#define HPIDECL_VOID(name, names, intf, func, arg_type, arg_print, arg) \
+ inline void hpi::name arg_type { \
+ if (TraceHPI) { \
+ tty->print("hpi::" names "("); \
+ tty->print arg_print ; \
+ tty->print_cr(") = void"); \
+ } \
+ (*intf->func) arg ; \
+ }
+
+
+// The macro calls below realize into
+// inline char * hpi::native_path(...) { inlined_body; }
+// etc.
+
+// HPI_FileInterface
+
+HPIDECL(native_path, "native_path", _file, NativePath, char *, "%s",
+ (char *path),
+ ("path = %s", path),
+ (path));
+
+HPIDECL(file_type, "file_type", _file, FileType, int, "%d",
+ (const char *path),
+ ("path = %s", path),
+ (path));
+
+HPIDECL(open, "open", _file, Open, int, "%d",
+ (const char *name, int mode, int perm),
+ ("name = %s, mode = %d, perm = %d", name, mode, perm),
+ (name, mode, perm));
+
+HPIDECL(lseek, "seek", _file, Seek, jlong, "(a jlong)",
+ (int fd, jlong off, int whence),
+ ("fd = %d, off = (a jlong), whence = %d", fd, /* off, */ whence),
+ (fd, off, whence));
+
+HPIDECL(ftruncate, "ftruncate", _file, SetLength, int, "%d",
+ (int fd, jlong length),
+ ("fd = %d, length = (a jlong)", fd /*, length */),
+ (fd, length));
+
+HPIDECL(fsync, "fsync", _file, Sync, int, "%d",
+ (int fd),
+ ("fd = %d", fd),
+ (fd));
+
+HPIDECL(available, "available", _file, Available, int, "%d",
+ (int fd, jlong *bytes),
+ ("fd = %d, bytes = %p", fd, bytes),
+ (fd, bytes));
+
+HPIDECL(fsize, "fsize", _file, FileSizeFD, int, "%d",
+ (int fd, jlong *size),
+ ("fd = %d, size = %p", fd, size),
+ (fd, size));
+
+// HPI_LibraryInterface
+HPIDECL_VOID(dll_build_name, "dll_build_name", _library, BuildLibName,
+ (char *buf, int buf_len, char *path, const char *name),
+ ("buf = %p, buflen = %d, path = %s, name = %s",
+ buf, buf_len, path, name),
+ (buf, buf_len, path, name));
+
+VM_HPIDECL(dll_load, "dll_load", os::dll_load,
+ void *, "(void *)%p",
+ (const char *name, char *ebuf, int ebuflen),
+ ("name = %s, ebuf = %p, ebuflen = %d", name, ebuf, ebuflen),
+ (name, ebuf, ebuflen));
+
+HPIDECL_VOID(dll_unload, "dll_unload", _library, UnloadLibrary,
+ (void *lib),
+ ("lib = %p", lib),
+ (lib));
+
+HPIDECL(dll_lookup, "dll_lookup", _library, FindLibraryEntry, void *, "%p",
+ (void *lib, const char *name),
+ ("lib = %p, name = %s", lib, name),
+ (lib, name));
+
+// HPI_SystemInterface
+HPIDECL(lasterror, "lasterror", _system, GetLastErrorString, int, "%d",
+ (char *buf, int len),
+ ("buf = %p, len = %d", buf, len),
+ (buf, len));