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| f7932f | 1 | /* |
| D | 2 | * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved. |
| 3 | * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. | |
| 4 | * | |
| 5 | * | |
| 6 | * | |
| 7 | * | |
| 8 | * | |
| 9 | * | |
| 10 | * | |
| 11 | * | |
| 12 | * | |
| 13 | * | |
| 14 | * | |
| 15 | * | |
| 16 | * | |
| 17 | * | |
| 18 | * | |
| 19 | * | |
| 20 | * | |
| 21 | * | |
| 22 | * | |
| 23 | * | |
| 24 | */ | |
| 25 | ||
| 26 | /* | |
| 27 | * Java Debug Wire Protocol Transport Service Provider Interface. | |
| 28 | */ | |
| 29 | ||
| 30 | #ifndef JDWPTRANSPORT_H | |
| 31 | #define JDWPTRANSPORT_H | |
| 32 | ||
| 33 | #include "jni.h" | |
| 34 | ||
| 35 | enum { | |
| 36 | JDWPTRANSPORT_VERSION_1_0 = 0x00010000 | |
| 37 | }; | |
| 38 | ||
| 39 | #ifdef __cplusplus | |
| 40 | extern "C" { | |
| 41 | #endif | |
| 42 | ||
| 43 | struct jdwpTransportNativeInterface_; | |
| 44 | ||
| 45 | struct _jdwpTransportEnv; | |
| 46 | ||
| 47 | #ifdef __cplusplus | |
| 48 | typedef _jdwpTransportEnv jdwpTransportEnv; | |
| 49 | #else | |
| 50 | typedef const struct jdwpTransportNativeInterface_ *jdwpTransportEnv; | |
| 51 | #endif /* __cplusplus */ | |
| 52 | ||
| 53 | /* | |
| 54 | * Errors. Universal errors with JVMTI/JVMDI equivalents keep the | |
| 55 | * values the same. | |
| 56 | */ | |
| 57 | typedef enum { | |
| 58 | JDWPTRANSPORT_ERROR_NONE = 0, | |
| 59 | JDWPTRANSPORT_ERROR_ILLEGAL_ARGUMENT = 103, | |
| 60 | JDWPTRANSPORT_ERROR_OUT_OF_MEMORY = 110, | |
| 61 | JDWPTRANSPORT_ERROR_INTERNAL = 113, | |
| 62 | JDWPTRANSPORT_ERROR_ILLEGAL_STATE = 201, | |
| 63 | JDWPTRANSPORT_ERROR_IO_ERROR = 202, | |
| 64 | JDWPTRANSPORT_ERROR_TIMEOUT = 203, | |
| 65 | JDWPTRANSPORT_ERROR_MSG_NOT_AVAILABLE = 204 | |
| 66 | } jdwpTransportError; | |
| 67 | ||
| 68 | ||
| 69 | /* | |
| 70 | * Structure to define capabilities | |
| 71 | */ | |
| 72 | typedef struct { | |
| 73 | unsigned int can_timeout_attach :1; | |
| 74 | unsigned int can_timeout_accept :1; | |
| 75 | unsigned int can_timeout_handshake :1; | |
| 76 | unsigned int reserved3 :1; | |
| 77 | unsigned int reserved4 :1; | |
| 78 | unsigned int reserved5 :1; | |
| 79 | unsigned int reserved6 :1; | |
| 80 | unsigned int reserved7 :1; | |
| 81 | unsigned int reserved8 :1; | |
| 82 | unsigned int reserved9 :1; | |
| 83 | unsigned int reserved10 :1; | |
| 84 | unsigned int reserved11 :1; | |
| 85 | unsigned int reserved12 :1; | |
| 86 | unsigned int reserved13 :1; | |
| 87 | unsigned int reserved14 :1; | |
| 88 | unsigned int reserved15 :1; | |
| 89 | } JDWPTransportCapabilities; | |
| 90 | ||
| 91 | ||
| 92 | /* | |
| 93 | * Structures to define packet layout. | |
| 94 | * | |
| 95 | * See: http://java.sun.com/j2se/1.5/docs/guide/jpda/jdwp-spec.html | |
| 96 | */ | |
| 97 | ||
| 98 | enum { | |
| 99 | /* | |
| 100 | * If additional flags are added that apply to jdwpCmdPacket, | |
| 101 | * then debugLoop.c: reader() will need to be updated to | |
| 102 | * accept more than JDWPTRANSPORT_FLAGS_NONE. | |
| 103 | */ | |
| 104 | JDWPTRANSPORT_FLAGS_NONE = 0x0, | |
| 105 | JDWPTRANSPORT_FLAGS_REPLY = 0x80 | |
| 106 | }; | |
| 107 | ||
| 108 | typedef struct { | |
| 109 | jint len; | |
| 110 | jint id; | |
| 111 | jbyte flags; | |
| 112 | jbyte cmdSet; | |
| 113 | jbyte cmd; | |
| 114 | jbyte *data; | |
| 115 | } jdwpCmdPacket; | |
| 116 | ||
| 117 | typedef struct { | |
| 118 | jint len; | |
| 119 | jint id; | |
| 120 | jbyte flags; | |
| 121 | jshort errorCode; | |
| 122 | jbyte *data; | |
| 123 | } jdwpReplyPacket; | |
| 124 | ||
| 125 | typedef struct { | |
| 126 | union { | |
| 127 | jdwpCmdPacket cmd; | |
| 128 | jdwpReplyPacket reply; | |
| 129 | } type; | |
| 130 | } jdwpPacket; | |
| 131 | ||
| 132 | /* | |
| 133 | * JDWP functions called by the transport. | |
| 134 | */ | |
| 135 | typedef struct jdwpTransportCallback { | |
| 136 | void *(*alloc)(jint numBytes); /* Call this for all allocations */ | |
| 137 | void (*free)(void *buffer); /* Call this for all deallocations */ | |
| 138 | } jdwpTransportCallback; | |
| 139 | ||
| 140 | typedef jint (JNICALL *jdwpTransport_OnLoad_t)(JavaVM *jvm, | |
| 141 | jdwpTransportCallback *callback, | |
| 142 | jint version, | |
| 143 | jdwpTransportEnv** env); | |
| 144 | ||
| 145 | ||
| 146 | ||
| 147 | /* Function Interface */ | |
| 148 | ||
| 149 | struct jdwpTransportNativeInterface_ { | |
| 150 | /* 1 : RESERVED */ | |
| 151 | void *reserved1; | |
| 152 | ||
| 153 | /* 2 : Get Capabilities */ | |
| 154 | jdwpTransportError (JNICALL *GetCapabilities)(jdwpTransportEnv* env, | |
| 155 | JDWPTransportCapabilities *capabilities_ptr); | |
| 156 | ||
| 157 | /* 3 : Attach */ | |
| 158 | jdwpTransportError (JNICALL *Attach)(jdwpTransportEnv* env, | |
| 159 | const char* address, | |
| 160 | jlong attach_timeout, | |
| 161 | jlong handshake_timeout); | |
| 162 | ||
| 163 | /* 4: StartListening */ | |
| 164 | jdwpTransportError (JNICALL *StartListening)(jdwpTransportEnv* env, | |
| 165 | const char* address, | |
| 166 | char** actual_address); | |
| 167 | ||
| 168 | /* 5: StopListening */ | |
| 169 | jdwpTransportError (JNICALL *StopListening)(jdwpTransportEnv* env); | |
| 170 | ||
| 171 | /* 6: Accept */ | |
| 172 | jdwpTransportError (JNICALL *Accept)(jdwpTransportEnv* env, | |
| 173 | jlong accept_timeout, | |
| 174 | jlong handshake_timeout); | |
| 175 | ||
| 176 | /* 7: IsOpen */ | |
| 177 | jboolean (JNICALL *IsOpen)(jdwpTransportEnv* env); | |
| 178 | ||
| 179 | /* 8: Close */ | |
| 180 | jdwpTransportError (JNICALL *Close)(jdwpTransportEnv* env); | |
| 181 | ||
| 182 | /* 9: ReadPacket */ | |
| 183 | jdwpTransportError (JNICALL *ReadPacket)(jdwpTransportEnv* env, | |
| 184 | jdwpPacket *pkt); | |
| 185 | ||
| 186 | /* 10: Write Packet */ | |
| 187 | jdwpTransportError (JNICALL *WritePacket)(jdwpTransportEnv* env, | |
| 188 | const jdwpPacket* pkt); | |
| 189 | ||
| 190 | /* 11: GetLastError */ | |
| 191 | jdwpTransportError (JNICALL *GetLastError)(jdwpTransportEnv* env, | |
| 192 | char** error); | |
| 193 | ||
| 194 | }; | |
| 195 | ||
| 196 | ||
| 197 | /* | |
| 198 | * Use inlined functions so that C++ code can use syntax such as | |
| 199 | * env->Attach("mymachine:5000", 10*1000, 0); | |
| 200 | * | |
| 201 | * rather than using C's :- | |
| 202 | * | |
| 203 | * (*env)->Attach(env, "mymachine:5000", 10*1000, 0); | |
| 204 | */ | |
| 205 | struct _jdwpTransportEnv { | |
| 206 | const struct jdwpTransportNativeInterface_ *functions; | |
| 207 | #ifdef __cplusplus | |
| 208 | ||
| 209 | jdwpTransportError GetCapabilities(JDWPTransportCapabilities *capabilities_ptr) { | |
| 210 | return functions->GetCapabilities(this, capabilities_ptr); | |
| 211 | } | |
| 212 | ||
| 213 | jdwpTransportError Attach(const char* address, jlong attach_timeout, | |
| 214 | jlong handshake_timeout) { | |
| 215 | return functions->Attach(this, address, attach_timeout, handshake_timeout); | |
| 216 | } | |
| 217 | ||
| 218 | jdwpTransportError StartListening(const char* address, | |
| 219 | char** actual_address) { | |
| 220 | return functions->StartListening(this, address, actual_address); | |
| 221 | } | |
| 222 | ||
| 223 | jdwpTransportError StopListening(void) { | |
| 224 | return functions->StopListening(this); | |
| 225 | } | |
| 226 | ||
| 227 | jdwpTransportError Accept(jlong accept_timeout, jlong handshake_timeout) { | |
| 228 | return functions->Accept(this, accept_timeout, handshake_timeout); | |
| 229 | } | |
| 230 | ||
| 231 | jboolean IsOpen(void) { | |
| 232 | return functions->IsOpen(this); | |
| 233 | } | |
| 234 | ||
| 235 | jdwpTransportError Close(void) { | |
| 236 | return functions->Close(this); | |
| 237 | } | |
| 238 | ||
| 239 | jdwpTransportError ReadPacket(jdwpPacket *pkt) { | |
| 240 | return functions->ReadPacket(this, pkt); | |
| 241 | } | |
| 242 | ||
| 243 | jdwpTransportError WritePacket(const jdwpPacket* pkt) { | |
| 244 | return functions->WritePacket(this, pkt); | |
| 245 | } | |
| 246 | ||
| 247 | jdwpTransportError GetLastError(char** error) { | |
| 248 | return functions->GetLastError(this, error); | |
| 249 | } | |
| 250 | ||
| 251 | ||
| 252 | #endif /* __cplusplus */ | |
| 253 | }; | |
| 254 | ||
| 255 | #ifdef __cplusplus | |
| 256 | } /* extern "C" */ | |
| 257 | #endif /* __cplusplus */ | |
| 258 | ||
| 259 | #endif /* JDWPTRANSPORT_H */ | |
