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/*
* Copyright (c) 2003, 2017, Oracle and/or its affiliates. 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* Java Debug Wire Protocol Transport Service Provider Interface.
*/
#ifndef JDWPTRANSPORT_H
#define JDWPTRANSPORT_H
#include "jni.h"
enum {
JDWPTRANSPORT_VERSION_1_0 = 0x00010000,
JDWPTRANSPORT_VERSION_1_1 = 0x00010001
};
#ifdef __cplusplus
extern "C" {
#endif
struct jdwpTransportNativeInterface_;
struct _jdwpTransportEnv;
#ifdef __cplusplus
typedef _jdwpTransportEnv jdwpTransportEnv;
#else
typedef const struct jdwpTransportNativeInterface_ *jdwpTransportEnv;
#endif /* __cplusplus */
/*
* Errors. Universal errors with JVMTI/JVMDI equivalents keep the
* values the same.
*/
typedef enum {
JDWPTRANSPORT_ERROR_NONE = 0,
JDWPTRANSPORT_ERROR_ILLEGAL_ARGUMENT = 103,
JDWPTRANSPORT_ERROR_OUT_OF_MEMORY = 110,
JDWPTRANSPORT_ERROR_INTERNAL = 113,
JDWPTRANSPORT_ERROR_ILLEGAL_STATE = 201,
JDWPTRANSPORT_ERROR_IO_ERROR = 202,
JDWPTRANSPORT_ERROR_TIMEOUT = 203,
JDWPTRANSPORT_ERROR_MSG_NOT_AVAILABLE = 204
} jdwpTransportError;
/*
* Structure to define capabilities
*/
typedef struct {
unsigned int can_timeout_attach :1;
unsigned int can_timeout_accept :1;
unsigned int can_timeout_handshake :1;
unsigned int reserved3 :1;
unsigned int reserved4 :1;
unsigned int reserved5 :1;
unsigned int reserved6 :1;
unsigned int reserved7 :1;
unsigned int reserved8 :1;
unsigned int reserved9 :1;
unsigned int reserved10 :1;
unsigned int reserved11 :1;
unsigned int reserved12 :1;
unsigned int reserved13 :1;
unsigned int reserved14 :1;
unsigned int reserved15 :1;
} JDWPTransportCapabilities;
/*
* Structures to define packet layout.
*
* See: http://java.sun.com/j2se/1.5/docs/guide/jpda/jdwp-spec.html
*/
#define JDWP_HEADER_SIZE 11
enum {
/*
* If additional flags are added that apply to jdwpCmdPacket,
* then debugLoop.c: reader() will need to be updated to
* accept more than JDWPTRANSPORT_FLAGS_NONE.
*/
JDWPTRANSPORT_FLAGS_NONE = 0x0,
JDWPTRANSPORT_FLAGS_REPLY = 0x80
};
typedef struct {
jint len;
jint id;
jbyte flags;
jbyte cmdSet;
jbyte cmd;
jbyte *data;
} jdwpCmdPacket;
typedef struct {
jint len;
jint id;
jbyte flags;
jshort errorCode;
jbyte *data;
} jdwpReplyPacket;
typedef struct {
union {
jdwpCmdPacket cmd;
jdwpReplyPacket reply;
} type;
} jdwpPacket;
/*
* JDWP functions called by the transport.
*/
typedef struct jdwpTransportCallback {
void *(*alloc)(jint numBytes); /* Call this for all allocations */
void (*free)(void *buffer); /* Call this for all deallocations */
} jdwpTransportCallback;
typedef jint (JNICALL *jdwpTransport_OnLoad_t)(JavaVM *jvm,
jdwpTransportCallback *callback,
jint version,
jdwpTransportEnv** env);
/*
* JDWP transport configuration from the agent.
*/
typedef struct jdwpTransportConfiguration {
/* Field added in JDWPTRANSPORT_VERSION_1_1: */
const char* allowed_peers; /* Peers allowed for connection */
} jdwpTransportConfiguration;
/* Function Interface */
struct jdwpTransportNativeInterface_ {
/* 1 : RESERVED */
void *reserved1;
/* 2 : Get Capabilities */
jdwpTransportError (JNICALL *GetCapabilities)(jdwpTransportEnv* env,
JDWPTransportCapabilities *capabilities_ptr);
/* 3 : Attach */
jdwpTransportError (JNICALL *Attach)(jdwpTransportEnv* env,
const char* address,
jlong attach_timeout,
jlong handshake_timeout);
/* 4: StartListening */
jdwpTransportError (JNICALL *StartListening)(jdwpTransportEnv* env,
const char* address,
char** actual_address);
/* 5: StopListening */
jdwpTransportError (JNICALL *StopListening)(jdwpTransportEnv* env);
/* 6: Accept */
jdwpTransportError (JNICALL *Accept)(jdwpTransportEnv* env,
jlong accept_timeout,
jlong handshake_timeout);
/* 7: IsOpen */
jboolean (JNICALL *IsOpen)(jdwpTransportEnv* env);
/* 8: Close */
jdwpTransportError (JNICALL *Close)(jdwpTransportEnv* env);
/* 9: ReadPacket */
jdwpTransportError (JNICALL *ReadPacket)(jdwpTransportEnv* env,
jdwpPacket *pkt);
/* 10: Write Packet */
jdwpTransportError (JNICALL *WritePacket)(jdwpTransportEnv* env,
const jdwpPacket* pkt);
/* 11: GetLastError */
jdwpTransportError (JNICALL *GetLastError)(jdwpTransportEnv* env,
char** error);
/* 12: SetTransportConfiguration added in JDWPTRANSPORT_VERSION_1_1 */
jdwpTransportError (JNICALL *SetTransportConfiguration)(jdwpTransportEnv* env,
jdwpTransportConfiguration *config);
};
/*
* Use inlined functions so that C++ code can use syntax such as
* env->Attach("mymachine:5000", 10*1000, 0);
*
* rather than using C's :-
*
* (*env)->Attach(env, "mymachine:5000", 10*1000, 0);
*/
struct _jdwpTransportEnv {
const struct jdwpTransportNativeInterface_ *functions;
#ifdef __cplusplus
jdwpTransportError GetCapabilities(JDWPTransportCapabilities *capabilities_ptr) {
return functions->GetCapabilities(this, capabilities_ptr);
}
jdwpTransportError Attach(const char* address, jlong attach_timeout,
jlong handshake_timeout) {
return functions->Attach(this, address, attach_timeout, handshake_timeout);
}
jdwpTransportError StartListening(const char* address,
char** actual_address) {
return functions->StartListening(this, address, actual_address);
}
jdwpTransportError StopListening(void) {
return functions->StopListening(this);
}
jdwpTransportError Accept(jlong accept_timeout, jlong handshake_timeout) {
return functions->Accept(this, accept_timeout, handshake_timeout);
}
jboolean IsOpen(void) {
return functions->IsOpen(this);
}
jdwpTransportError Close(void) {
return functions->Close(this);
}
jdwpTransportError ReadPacket(jdwpPacket *pkt) {
return functions->ReadPacket(this, pkt);
}
jdwpTransportError WritePacket(const jdwpPacket* pkt) {
return functions->WritePacket(this, pkt);
}
jdwpTransportError GetLastError(char** error) {
return functions->GetLastError(this, error);
}
/* SetTransportConfiguration added in JDWPTRANSPORT_VERSION_1_1 */
jdwpTransportError SetTransportConfiguration(jdwpTransportEnv* env,
return functions->SetTransportConfiguration(this, config);
}
#endif /* __cplusplus */
};
#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */
#endif /* JDWPTRANSPORT_H */