Mercurial > hg > graal-compiler
comparison src/share/vm/runtime/hpi.hpp @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | 2a1a77d3458f |
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1 /* | |
2 * Copyright 1998-2006 Sun Microsystems, Inc. All Rights Reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 // | |
26 // C++ wrapper to HPI. | |
27 // | |
28 | |
29 class hpi : AllStatic { | |
30 | |
31 private: | |
32 static GetInterfaceFunc _get_interface; | |
33 static HPI_FileInterface* _file; | |
34 static HPI_SocketInterface* _socket; | |
35 static HPI_LibraryInterface* _library; | |
36 static HPI_SystemInterface* _system; | |
37 | |
38 private: | |
39 static void initialize_get_interface(vm_calls_t *callbacks); | |
40 | |
41 public: | |
42 // Load and initialize everything except sockets. | |
43 static jint initialize(); | |
44 | |
45 // Socket library needs to be lazy intialized because eagerly | |
46 // loading Winsock is known to cause "connect to your ISP" | |
47 // dialog to show up. Or so goes the legend. | |
48 static jint initialize_socket_library(); | |
49 | |
50 // HPI_FileInterface | |
51 static inline char* native_path(char *path); | |
52 static inline int file_type(const char *path); | |
53 static inline int open(const char *name, int mode, int perm); | |
54 static inline int close(int fd); | |
55 static inline jlong lseek(int fd, jlong off, int whence); | |
56 static inline int ftruncate(int fd, jlong length); | |
57 static inline int fsync(int fd); | |
58 static inline int available(int fd, jlong *bytes); | |
59 static inline size_t read(int fd, void *buf, unsigned int nBytes); | |
60 static inline size_t write(int fd, const void *buf, unsigned int nBytes); | |
61 static inline int fsize(int fd, jlong *size); | |
62 | |
63 // HPI_SocketInterface | |
64 static inline int socket(int domain, int type, int protocol); | |
65 static inline int socket_close(int fd); | |
66 static inline int socket_shutdown(int fd, int howto); | |
67 static inline int recv(int fd, char *buf, int nBytes, int flags); | |
68 static inline int send(int fd, char *buf, int nBytes, int flags); | |
69 static inline int timeout(int fd, long timeout); | |
70 static inline int listen(int fd, int count); | |
71 static inline int connect(int fd, struct sockaddr *him, int len); | |
72 static inline int bind(int fd, struct sockaddr *him, int len); | |
73 static inline int accept(int fd, struct sockaddr *him, int *len); | |
74 static inline int recvfrom(int fd, char *buf, int nbytes, int flags, | |
75 struct sockaddr *from, int *fromlen); | |
76 static inline int get_sock_name(int fd, struct sockaddr *him, int *len); | |
77 static inline int sendto(int fd, char *buf, int len, int flags, | |
78 struct sockaddr *to, int tolen); | |
79 static inline int socket_available(int fd, jint *pbytes); | |
80 | |
81 static inline int get_sock_opt(int fd, int level, int optname, | |
82 char *optval, int* optlen); | |
83 static inline int set_sock_opt(int fd, int level, int optname, | |
84 const char *optval, int optlen); | |
85 static inline int get_host_name(char* name, int namelen); | |
86 static inline struct hostent* get_host_by_addr(const char* name, int len, int type); | |
87 static inline struct hostent* get_host_by_name(char* name); | |
88 static inline struct protoent* get_proto_by_name(char* name); | |
89 | |
90 // HPI_LibraryInterface | |
91 static inline void dll_build_name(char *buf, int buf_len, char* path, | |
92 const char *name); | |
93 static inline void* dll_load(const char *name, char *ebuf, int ebuflen); | |
94 static inline void dll_unload(void *lib); | |
95 static inline void* dll_lookup(void *lib, const char *name); | |
96 | |
97 // HPI_SystemInterface | |
98 static inline int lasterror(char *buf, int len); | |
99 }; | |
100 | |
101 // | |
102 // Macros that provide inline bodies for the functions. | |
103 // | |
104 | |
105 #define HPIDECL(name, names, intf, func, ret_type, ret_fmt, arg_type, arg_print, arg) \ | |
106 inline ret_type hpi::name arg_type { \ | |
107 if (TraceHPI) { \ | |
108 tty->print("hpi::" names "("); \ | |
109 tty->print arg_print ; \ | |
110 tty->print(") = "); \ | |
111 } \ | |
112 ret_type result = (*intf->func) arg ; \ | |
113 if (TraceHPI) { \ | |
114 tty->print_cr(ret_fmt, result); \ | |
115 } \ | |
116 return result; \ | |
117 } | |
118 | |
119 // Macro to facilitate moving HPI functionality into the vm. | |
120 // See bug 6348631. The only difference between this macro and | |
121 // HPIDECL is that we call a vm method rather than use the HPI | |
122 // transfer vector. Ultimately, we'll replace HPIDECL with | |
123 // VM_HPIDECL for all hpi methods. | |
124 #define VM_HPIDECL(name, names, func, ret_type, ret_fmt, arg_type,arg_print, arg) \ | |
125 inline ret_type hpi::name arg_type { \ | |
126 if (TraceHPI) { \ | |
127 tty->print("hpi::" names "("); \ | |
128 tty->print arg_print ; \ | |
129 tty->print(") = "); \ | |
130 } \ | |
131 ret_type result = func arg ; \ | |
132 if (TraceHPI) { \ | |
133 tty->print_cr(ret_fmt, result); \ | |
134 } \ | |
135 return result; \ | |
136 } | |
137 | |
138 | |
139 | |
140 #define HPIDECL_VOID(name, names, intf, func, arg_type, arg_print, arg) \ | |
141 inline void hpi::name arg_type { \ | |
142 if (TraceHPI) { \ | |
143 tty->print("hpi::" names "("); \ | |
144 tty->print arg_print ; \ | |
145 tty->print_cr(") = void"); \ | |
146 } \ | |
147 (*intf->func) arg ; \ | |
148 } | |
149 | |
150 | |
151 // The macro calls below realize into | |
152 // inline char * hpi::native_path(...) { inlined_body; } | |
153 // etc. | |
154 | |
155 // HPI_FileInterface | |
156 | |
157 HPIDECL(native_path, "native_path", _file, NativePath, char *, "%s", | |
158 (char *path), | |
159 ("path = %s", path), | |
160 (path)); | |
161 | |
162 HPIDECL(file_type, "file_type", _file, FileType, int, "%d", | |
163 (const char *path), | |
164 ("path = %s", path), | |
165 (path)); | |
166 | |
167 HPIDECL(open, "open", _file, Open, int, "%d", | |
168 (const char *name, int mode, int perm), | |
169 ("name = %s, mode = %d, perm = %d", name, mode, perm), | |
170 (name, mode, perm)); | |
171 | |
172 HPIDECL(lseek, "seek", _file, Seek, jlong, "(a jlong)", | |
173 (int fd, jlong off, int whence), | |
174 ("fd = %d, off = (a jlong), whence = %d", fd, /* off, */ whence), | |
175 (fd, off, whence)); | |
176 | |
177 HPIDECL(ftruncate, "ftruncate", _file, SetLength, int, "%d", | |
178 (int fd, jlong length), | |
179 ("fd = %d, length = (a jlong)", fd /*, length */), | |
180 (fd, length)); | |
181 | |
182 HPIDECL(fsync, "fsync", _file, Sync, int, "%d", | |
183 (int fd), | |
184 ("fd = %d", fd), | |
185 (fd)); | |
186 | |
187 HPIDECL(available, "available", _file, Available, int, "%d", | |
188 (int fd, jlong *bytes), | |
189 ("fd = %d, bytes = %p", fd, bytes), | |
190 (fd, bytes)); | |
191 | |
192 HPIDECL(fsize, "fsize", _file, FileSizeFD, int, "%d", | |
193 (int fd, jlong *size), | |
194 ("fd = %d, size = %p", fd, size), | |
195 (fd, size)); | |
196 | |
197 // HPI_LibraryInterface | |
198 HPIDECL_VOID(dll_build_name, "dll_build_name", _library, BuildLibName, | |
199 (char *buf, int buf_len, char *path, const char *name), | |
200 ("buf = %p, buflen = %d, path = %s, name = %s", | |
201 buf, buf_len, path, name), | |
202 (buf, buf_len, path, name)); | |
203 | |
204 VM_HPIDECL(dll_load, "dll_load", os::dll_load, | |
205 void *, "(void *)%p", | |
206 (const char *name, char *ebuf, int ebuflen), | |
207 ("name = %s, ebuf = %p, ebuflen = %d", name, ebuf, ebuflen), | |
208 (name, ebuf, ebuflen)); | |
209 | |
210 HPIDECL_VOID(dll_unload, "dll_unload", _library, UnloadLibrary, | |
211 (void *lib), | |
212 ("lib = %p", lib), | |
213 (lib)); | |
214 | |
215 HPIDECL(dll_lookup, "dll_lookup", _library, FindLibraryEntry, void *, "%p", | |
216 (void *lib, const char *name), | |
217 ("lib = %p, name = %s", lib, name), | |
218 (lib, name)); | |
219 | |
220 // HPI_SystemInterface | |
221 HPIDECL(lasterror, "lasterror", _system, GetLastErrorString, int, "%d", | |
222 (char *buf, int len), | |
223 ("buf = %p, len = %d", buf, len), | |
224 (buf, len)); |