Mercurial > hg > graal-compiler
diff src/share/vm/runtime/hpi.hpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | 2a1a77d3458f |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/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));