1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/agent/src/os/win32/windbg/sawindbg.cpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,878 @@
1.4 +/*
1.5 + * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +// this is source code windbg based SA debugger agent to debug
1.29 +// Dr. Watson dump files and process snapshots.
1.30 +
1.31 +#include "sun_jvm_hotspot_debugger_windbg_WindbgDebuggerLocal.h"
1.32 +
1.33 +#ifdef _M_IX86
1.34 + #include "sun_jvm_hotspot_debugger_x86_X86ThreadContext.h"
1.35 + #define NPRGREG sun_jvm_hotspot_debugger_x86_X86ThreadContext_NPRGREG
1.36 +#elif _M_AMD64
1.37 + #include "sun_jvm_hotspot_debugger_amd64_AMD64ThreadContext.h"
1.38 + #define NPRGREG sun_jvm_hotspot_debugger_amd64_AMD64ThreadContext_NPRGREG
1.39 +#else
1.40 + #error "SA windbg back-end is not supported for your cpu!"
1.41 +#endif
1.42 +
1.43 +#include <limits.h>
1.44 +#include <windows.h>
1.45 +
1.46 +#ifndef STDMETHODV
1.47 +#define STDMETHODV(method) virtual HRESULT STDMETHODVCALLTYPE method
1.48 +#endif
1.49 +
1.50 +#define DEBUG_NO_IMPLEMENTATION
1.51 +#include <dbgeng.h>
1.52 +#include <dbghelp.h>
1.53 +
1.54 +// simple template to manage array delete across early (error) returns
1.55 +
1.56 +template <class T>
1.57 +class AutoArrayPtr {
1.58 + T* m_ptr;
1.59 + public:
1.60 + AutoArrayPtr(T* ptr) : m_ptr(ptr) {
1.61 + }
1.62 +
1.63 + ~AutoArrayPtr() {
1.64 + delete [] m_ptr;
1.65 + }
1.66 +
1.67 + T* asPtr() {
1.68 + return m_ptr;
1.69 + }
1.70 +};
1.71 +
1.72 +class AutoJavaString {
1.73 + JNIEnv* m_env;
1.74 + jstring m_str;
1.75 + const char* m_buf;
1.76 +
1.77 + public:
1.78 + AutoJavaString(JNIEnv* env, jstring str, const char* buf)
1.79 + : m_env(env), m_str(str), m_buf(buf) {
1.80 + }
1.81 +
1.82 + ~AutoJavaString() {
1.83 + m_env->ReleaseStringUTFChars(m_str, m_buf);
1.84 + }
1.85 +
1.86 + operator const char* () {
1.87 + return m_buf;
1.88 + }
1.89 +};
1.90 +
1.91 +// field and method IDs we want here
1.92 +
1.93 +static jfieldID imagePath_ID = 0;
1.94 +static jfieldID symbolPath_ID = 0;
1.95 +static jfieldID ptrIDebugClient_ID = 0;
1.96 +static jfieldID ptrIDebugControl_ID = 0;
1.97 +static jfieldID ptrIDebugDataSpaces_ID = 0;
1.98 +static jfieldID ptrIDebugOutputCallbacks_ID = 0;
1.99 +static jfieldID ptrIDebugAdvanced_ID = 0;
1.100 +static jfieldID ptrIDebugSymbols_ID = 0;
1.101 +static jfieldID ptrIDebugSystemObjects_ID = 0;
1.102 +
1.103 +static jmethodID addLoadObject_ID = 0;
1.104 +static jmethodID addThread_ID = 0;
1.105 +static jmethodID createClosestSymbol_ID = 0;
1.106 +static jmethodID setThreadIntegerRegisterSet_ID = 0;
1.107 +
1.108 +#define CHECK_EXCEPTION_(value) if(env->ExceptionOccurred()) { return value; }
1.109 +#define CHECK_EXCEPTION if(env->ExceptionOccurred()) { return;}
1.110 +
1.111 +#define THROW_NEW_DEBUGGER_EXCEPTION_(str, value) { \
1.112 + throwNewDebuggerException(env, str); return value; }
1.113 +
1.114 +#define THROW_NEW_DEBUGGER_EXCEPTION(str) { throwNewDebuggerException(env, str); \
1.115 + return;}
1.116 +
1.117 +static void throwNewDebuggerException(JNIEnv* env, const char* errMsg) {
1.118 + env->ThrowNew(env->FindClass("sun/jvm/hotspot/debugger/DebuggerException"), errMsg);
1.119 +}
1.120 +
1.121 +/*
1.122 + * Class: sun_jvm_hotspot_debugger_windbg_WindbgDebuggerLocal
1.123 + * Method: initIDs
1.124 + * Signature: ()V
1.125 + */
1.126 +JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_windbg_WindbgDebuggerLocal_initIDs
1.127 + (JNIEnv *env, jclass clazz) {
1.128 + imagePath_ID = env->GetStaticFieldID(clazz, "imagePath", "Ljava/lang/String;");
1.129 + CHECK_EXCEPTION;
1.130 +
1.131 + symbolPath_ID = env->GetStaticFieldID(clazz, "symbolPath", "Ljava/lang/String;");
1.132 + CHECK_EXCEPTION;
1.133 +
1.134 + ptrIDebugClient_ID = env->GetFieldID(clazz, "ptrIDebugClient", "J");
1.135 + CHECK_EXCEPTION;
1.136 +
1.137 + ptrIDebugControl_ID = env->GetFieldID(clazz, "ptrIDebugControl", "J");
1.138 + CHECK_EXCEPTION;
1.139 +
1.140 + ptrIDebugDataSpaces_ID = env->GetFieldID(clazz, "ptrIDebugDataSpaces", "J");
1.141 + CHECK_EXCEPTION;
1.142 +
1.143 + ptrIDebugOutputCallbacks_ID = env->GetFieldID(clazz,
1.144 + "ptrIDebugOutputCallbacks", "J");
1.145 + CHECK_EXCEPTION;
1.146 +
1.147 + ptrIDebugAdvanced_ID = env->GetFieldID(clazz, "ptrIDebugAdvanced", "J");
1.148 + CHECK_EXCEPTION;
1.149 +
1.150 + ptrIDebugSymbols_ID = env->GetFieldID(clazz,
1.151 + "ptrIDebugSymbols", "J");
1.152 + CHECK_EXCEPTION;
1.153 +
1.154 + ptrIDebugSystemObjects_ID = env->GetFieldID(clazz,
1.155 + "ptrIDebugSystemObjects", "J");
1.156 + CHECK_EXCEPTION;
1.157 +
1.158 + addLoadObject_ID = env->GetMethodID(clazz, "addLoadObject",
1.159 + "(Ljava/lang/String;JJ)V");
1.160 + CHECK_EXCEPTION;
1.161 +
1.162 + addThread_ID = env->GetMethodID(clazz, "addThread", "(J)V");
1.163 + CHECK_EXCEPTION;
1.164 +
1.165 + createClosestSymbol_ID = env->GetMethodID(clazz, "createClosestSymbol",
1.166 + "(Ljava/lang/String;J)Lsun/jvm/hotspot/debugger/cdbg/ClosestSymbol;");
1.167 + CHECK_EXCEPTION;
1.168 +
1.169 + setThreadIntegerRegisterSet_ID = env->GetMethodID(clazz,
1.170 + "setThreadIntegerRegisterSet", "(J[J)V");
1.171 + CHECK_EXCEPTION;
1.172 +
1.173 +}
1.174 +
1.175 +// class for IDebugOutputCallbacks
1.176 +
1.177 +class SAOutputCallbacks : public IDebugOutputCallbacks {
1.178 + LONG m_refCount;
1.179 + char* m_msgBuffer;
1.180 +
1.181 + public:
1.182 + SAOutputCallbacks() : m_refCount(0), m_msgBuffer(0) {
1.183 + }
1.184 +
1.185 + ~SAOutputCallbacks() {
1.186 + clearBuffer();
1.187 + }
1.188 +
1.189 + const char* getBuffer() const {
1.190 + return m_msgBuffer;
1.191 + }
1.192 +
1.193 + void clearBuffer() {
1.194 + if (m_msgBuffer) {
1.195 + free(m_msgBuffer);
1.196 + m_msgBuffer = 0;
1.197 + }
1.198 + }
1.199 +
1.200 + STDMETHOD_(ULONG, AddRef)(THIS);
1.201 + STDMETHOD_(ULONG, Release)(THIS);
1.202 + STDMETHOD(QueryInterface)(THIS_
1.203 + IN REFIID interfaceId,
1.204 + OUT PVOID* ppInterface);
1.205 + STDMETHOD(Output)(THIS_
1.206 + IN ULONG mask,
1.207 + IN PCSTR msg);
1.208 +};
1.209 +
1.210 +STDMETHODIMP_(ULONG) SAOutputCallbacks::AddRef(THIS) {
1.211 + InterlockedIncrement(&m_refCount);
1.212 + return m_refCount;
1.213 +}
1.214 +
1.215 +STDMETHODIMP_(ULONG) SAOutputCallbacks::Release(THIS) {
1.216 + LONG retVal;
1.217 + InterlockedDecrement(&m_refCount);
1.218 + retVal = m_refCount;
1.219 + if (retVal == 0) {
1.220 + delete this;
1.221 + }
1.222 + return retVal;
1.223 +}
1.224 +
1.225 +STDMETHODIMP SAOutputCallbacks::QueryInterface(THIS_
1.226 + IN REFIID interfaceId,
1.227 + OUT PVOID* ppInterface) {
1.228 + *ppInterface = 0;
1.229 + HRESULT res = E_NOINTERFACE;
1.230 + if (TRUE == IsEqualIID(interfaceId, __uuidof(IUnknown)) ||
1.231 + TRUE == IsEqualIID(interfaceId, __uuidof(IDebugOutputCallbacks))) {
1.232 + *ppInterface = (IDebugOutputCallbacks*) this;
1.233 + AddRef();
1.234 + res = S_OK;
1.235 + }
1.236 + return res;
1.237 +}
1.238 +
1.239 +STDMETHODIMP SAOutputCallbacks::Output(THIS_
1.240 + IN ULONG mask,
1.241 + IN PCSTR msg) {
1.242 + int len = (int) (strlen(msg) + 1);
1.243 + if (m_msgBuffer == 0) {
1.244 + m_msgBuffer = (char*) malloc(len);
1.245 + if (m_msgBuffer == 0) {
1.246 + fprintf(stderr, "out of memory debugger output!\n");
1.247 + return S_FALSE;
1.248 + }
1.249 + strcpy(m_msgBuffer, msg);
1.250 + } else {
1.251 + m_msgBuffer = (char*) realloc(m_msgBuffer, len + strlen(m_msgBuffer));
1.252 + if (m_msgBuffer == 0) {
1.253 + fprintf(stderr, "out of memory debugger output!\n");
1.254 + return S_FALSE;
1.255 + }
1.256 + strcat(m_msgBuffer, msg);
1.257 + }
1.258 + return S_OK;
1.259 +}
1.260 +
1.261 +static bool getWindbgInterfaces(JNIEnv* env, jobject obj) {
1.262 + // get windbg interfaces ..
1.263 +
1.264 + IDebugClient* ptrIDebugClient = 0;
1.265 + if (DebugCreate(__uuidof(IDebugClient), (PVOID*) &ptrIDebugClient) != S_OK) {
1.266 + THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: not able to create IDebugClient object!", false);
1.267 + }
1.268 + env->SetLongField(obj, ptrIDebugClient_ID, (jlong) ptrIDebugClient);
1.269 +
1.270 + IDebugControl* ptrIDebugControl = 0;
1.271 + if (ptrIDebugClient->QueryInterface(__uuidof(IDebugControl), (PVOID*) &ptrIDebugControl)
1.272 + != S_OK) {
1.273 + THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: not able to get IDebugControl", false);
1.274 + }
1.275 + env->SetLongField(obj, ptrIDebugControl_ID, (jlong) ptrIDebugControl);
1.276 +
1.277 + IDebugDataSpaces* ptrIDebugDataSpaces = 0;
1.278 + if (ptrIDebugClient->QueryInterface(__uuidof(IDebugDataSpaces), (PVOID*) &ptrIDebugDataSpaces)
1.279 + != S_OK) {
1.280 + THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: not able to get IDebugDataSpaces object!", false);
1.281 + }
1.282 + env->SetLongField(obj, ptrIDebugDataSpaces_ID, (jlong) ptrIDebugDataSpaces);
1.283 +
1.284 + SAOutputCallbacks* ptrIDebugOutputCallbacks = new SAOutputCallbacks();
1.285 + ptrIDebugOutputCallbacks->AddRef();
1.286 + env->SetLongField(obj, ptrIDebugOutputCallbacks_ID, (jlong) ptrIDebugOutputCallbacks);
1.287 + CHECK_EXCEPTION_(false);
1.288 +
1.289 + IDebugAdvanced* ptrIDebugAdvanced = 0;
1.290 + if (ptrIDebugClient->QueryInterface(__uuidof(IDebugAdvanced), (PVOID*) &ptrIDebugAdvanced)
1.291 + != S_OK) {
1.292 + THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: not able to get IDebugAdvanced object!", false);
1.293 + }
1.294 + env->SetLongField(obj, ptrIDebugAdvanced_ID, (jlong) ptrIDebugAdvanced);
1.295 +
1.296 + IDebugSymbols* ptrIDebugSymbols = 0;
1.297 + if (ptrIDebugClient->QueryInterface(__uuidof(IDebugSymbols), (PVOID*) &ptrIDebugSymbols)
1.298 + != S_OK) {
1.299 + THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: not able to get IDebugSymbols object!", false);
1.300 + }
1.301 + env->SetLongField(obj, ptrIDebugSymbols_ID, (jlong) ptrIDebugSymbols);
1.302 +
1.303 + IDebugSystemObjects* ptrIDebugSystemObjects = 0;
1.304 + if (ptrIDebugClient->QueryInterface(__uuidof(IDebugSystemObjects), (PVOID*) &ptrIDebugSystemObjects)
1.305 + != S_OK) {
1.306 + THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: not able to get IDebugSystemObjects object!", false);
1.307 + }
1.308 + env->SetLongField(obj, ptrIDebugSystemObjects_ID, (jlong) ptrIDebugSystemObjects);
1.309 +
1.310 + return true;
1.311 +}
1.312 +
1.313 +static bool setImageAndSymbolPath(JNIEnv* env, jobject obj) {
1.314 + jboolean isCopy;
1.315 + jclass clazz = env->GetObjectClass(obj);
1.316 + jstring path;
1.317 + const char* buf;
1.318 +
1.319 + path = (jstring) env->GetStaticObjectField(clazz, imagePath_ID);
1.320 + buf = env->GetStringUTFChars(path, &isCopy);
1.321 + CHECK_EXCEPTION_(false);
1.322 + AutoJavaString imagePath(env, path, buf);
1.323 +
1.324 + path = (jstring) env->GetStaticObjectField(clazz, symbolPath_ID);
1.325 + buf = env->GetStringUTFChars(path, &isCopy);
1.326 + CHECK_EXCEPTION_(false);
1.327 + AutoJavaString symbolPath(env, path, buf);
1.328 +
1.329 + IDebugSymbols* ptrIDebugSymbols = (IDebugSymbols*) env->GetLongField(obj,
1.330 + ptrIDebugSymbols_ID);
1.331 + CHECK_EXCEPTION_(false);
1.332 +
1.333 + ptrIDebugSymbols->SetImagePath(imagePath);
1.334 + ptrIDebugSymbols->SetSymbolPath(symbolPath);
1.335 + return true;
1.336 +}
1.337 +
1.338 +static bool openDumpFile(JNIEnv* env, jobject obj, jstring coreFileName) {
1.339 + // open the dump file
1.340 + jboolean isCopy;
1.341 + const char* buf = env->GetStringUTFChars(coreFileName, &isCopy);
1.342 + CHECK_EXCEPTION_(false);
1.343 + AutoJavaString coreFile(env, coreFileName, buf);
1.344 + if (setImageAndSymbolPath(env, obj) == false) {
1.345 + return false;
1.346 + }
1.347 +
1.348 + IDebugClient* ptrIDebugClient = (IDebugClient*) env->GetLongField(obj,
1.349 + ptrIDebugClient_ID);
1.350 + CHECK_EXCEPTION_(false);
1.351 + if (ptrIDebugClient->OpenDumpFile(coreFile) != S_OK) {
1.352 + THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: OpenDumpFile failed!", false);
1.353 + }
1.354 +
1.355 + IDebugControl* ptrIDebugControl = (IDebugControl*) env->GetLongField(obj,
1.356 + ptrIDebugControl_ID);
1.357 + CHECK_EXCEPTION_(false);
1.358 + if (ptrIDebugControl->WaitForEvent(DEBUG_WAIT_DEFAULT, INFINITE) != S_OK) {
1.359 + THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: WaitForEvent failed!", false);
1.360 + }
1.361 +
1.362 + return true;
1.363 +}
1.364 +
1.365 +
1.366 +static bool attachToProcess(JNIEnv* env, jobject obj, jint pid) {
1.367 + if (setImageAndSymbolPath(env, obj) == false) {
1.368 + return false;
1.369 + }
1.370 + IDebugClient* ptrIDebugClient = (IDebugClient*) env->GetLongField(obj,
1.371 + ptrIDebugClient_ID);
1.372 + CHECK_EXCEPTION_(false);
1.373 +
1.374 + /***********************************************************************************
1.375 +
1.376 + We are attaching to a process in 'read-only' mode. i.e., we do not want to
1.377 + put breakpoints, suspend/resume threads etc. For read-only JDI and HSDB kind of
1.378 + usage this should suffice.
1.379 +
1.380 + Please refer to DEBUG_ATTACH_NONINVASIVE mode source comments from dbgeng.h.
1.381 + In this mode, debug engine does not call DebugActiveProrcess. i.e., we are not
1.382 + actually debugging at all. We can safely 'detach' from the process anytime
1.383 + we want and debuggee process is left as is on all Windows variants.
1.384 +
1.385 + This also makes JDI-on-SA installation/usage simpler because with this we would
1.386 + not need a tool like ServiceInstaller from http://www.kcmultimedia.com/smaster.
1.387 +
1.388 + ***********************************************************************************/
1.389 +
1.390 +
1.391 + if (ptrIDebugClient->AttachProcess(0, pid, DEBUG_ATTACH_NONINVASIVE) != S_OK) {
1.392 + THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: AttachProcess failed!", false);
1.393 + }
1.394 +
1.395 + IDebugControl* ptrIDebugControl = (IDebugControl*) env->GetLongField(obj,
1.396 + ptrIDebugControl_ID);
1.397 + CHECK_EXCEPTION_(false);
1.398 + if (ptrIDebugControl->WaitForEvent(DEBUG_WAIT_DEFAULT, INFINITE) != S_OK) {
1.399 + THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: WaitForEvent failed!", false);
1.400 + }
1.401 +
1.402 + return true;
1.403 +}
1.404 +
1.405 +
1.406 +static bool addLoadObjects(JNIEnv* env, jobject obj) {
1.407 + IDebugSymbols* ptrIDebugSymbols = (IDebugSymbols*) env->GetLongField(obj,
1.408 + ptrIDebugSymbols_ID);
1.409 + CHECK_EXCEPTION_(false);
1.410 + ULONG loaded = 0, unloaded = 0;
1.411 + if (ptrIDebugSymbols->GetNumberModules(&loaded, &unloaded) != S_OK) {
1.412 + THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: GetNumberModules failed!", false);
1.413 + }
1.414 +
1.415 + AutoArrayPtr<DEBUG_MODULE_PARAMETERS> params(new DEBUG_MODULE_PARAMETERS[loaded]);
1.416 +
1.417 + if (params.asPtr() == 0) {
1.418 + THROW_NEW_DEBUGGER_EXCEPTION_("out of memory to allocate debug module params!", false);
1.419 + }
1.420 +
1.421 + if (ptrIDebugSymbols->GetModuleParameters(loaded, 0, NULL, params.asPtr()) != S_OK) {
1.422 + THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: GetModuleParameters failed!", false);
1.423 + }
1.424 +
1.425 + for (int u = 0; u < (int)loaded; u++) {
1.426 + TCHAR imageName[MAX_PATH];
1.427 + if (ptrIDebugSymbols->GetModuleNames(DEBUG_ANY_ID, params.asPtr()[u].Base,
1.428 + imageName, MAX_PATH, NULL, NULL,
1.429 + 0, NULL, NULL, 0, NULL) != S_OK) {
1.430 + THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: GetModuleNames failed!", false);
1.431 + }
1.432 +
1.433 + jstring strName = env->NewStringUTF(imageName);
1.434 + CHECK_EXCEPTION_(false);
1.435 + env->CallVoidMethod(obj, addLoadObject_ID, strName, (jlong) params.asPtr()[u].Size,
1.436 + (jlong) params.asPtr()[u].Base);
1.437 + CHECK_EXCEPTION_(false);
1.438 + }
1.439 +
1.440 + return true;
1.441 +}
1.442 +
1.443 +static bool addThreads(JNIEnv* env, jobject obj) {
1.444 + IDebugSystemObjects* ptrIDebugSystemObjects = (IDebugSystemObjects*) env->GetLongField(obj,
1.445 + ptrIDebugSystemObjects_ID);
1.446 + CHECK_EXCEPTION_(false);
1.447 +
1.448 + ULONG numThreads = 0;
1.449 + if (ptrIDebugSystemObjects->GetNumberThreads(&numThreads) != S_OK) {
1.450 + THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: GetNumberThreads failed!", false);
1.451 + }
1.452 +
1.453 + AutoArrayPtr<ULONG> ptrSysThreadIds = new ULONG[numThreads];
1.454 +
1.455 + if (ptrSysThreadIds.asPtr() == 0) {
1.456 + THROW_NEW_DEBUGGER_EXCEPTION_("out of memory to allocate thread ids!", false);
1.457 + }
1.458 +
1.459 + AutoArrayPtr<ULONG> ptrThreadIds = new ULONG[numThreads];
1.460 +
1.461 + if (ptrThreadIds.asPtr() == 0) {
1.462 + THROW_NEW_DEBUGGER_EXCEPTION_("out of memory to allocate thread ids!", false);
1.463 + }
1.464 +
1.465 + if (ptrIDebugSystemObjects->GetThreadIdsByIndex(0, numThreads,
1.466 + ptrThreadIds.asPtr(), ptrSysThreadIds.asPtr()) != S_OK) {
1.467 + THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: GetThreadIdsByIndex failed!", false);
1.468 + }
1.469 +
1.470 +
1.471 + IDebugAdvanced* ptrIDebugAdvanced = (IDebugAdvanced*) env->GetLongField(obj,
1.472 + ptrIDebugAdvanced_ID);
1.473 + CHECK_EXCEPTION_(false);
1.474 +
1.475 + // for each thread, get register context and save it.
1.476 + for (ULONG t = 0; t < numThreads; t++) {
1.477 + if (ptrIDebugSystemObjects->SetCurrentThreadId(ptrThreadIds.asPtr()[t]) != S_OK) {
1.478 + THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: SetCurrentThread failed!", false);
1.479 + }
1.480 +
1.481 + jlongArray regs = env->NewLongArray(NPRGREG);
1.482 + CHECK_EXCEPTION_(false);
1.483 +
1.484 + jboolean isCopy = JNI_FALSE;
1.485 + jlong* ptrRegs = env->GetLongArrayElements(regs, &isCopy);
1.486 + CHECK_EXCEPTION_(false);
1.487 +
1.488 + // copy register values from the CONTEXT struct
1.489 + CONTEXT context;
1.490 + memset(&context, 0, sizeof(CONTEXT));
1.491 +
1.492 +#undef REG_INDEX
1.493 +#ifdef _M_IX86
1.494 + #define REG_INDEX(x) sun_jvm_hotspot_debugger_x86_X86ThreadContext_##x
1.495 +
1.496 + context.ContextFlags = CONTEXT_FULL | CONTEXT_DEBUG_REGISTERS;
1.497 + ptrIDebugAdvanced->GetThreadContext(&context, sizeof(CONTEXT));
1.498 +
1.499 + ptrRegs[REG_INDEX(GS)] = context.SegGs;
1.500 + ptrRegs[REG_INDEX(FS)] = context.SegFs;
1.501 + ptrRegs[REG_INDEX(ES)] = context.SegEs;
1.502 + ptrRegs[REG_INDEX(DS)] = context.SegDs;
1.503 +
1.504 + ptrRegs[REG_INDEX(EDI)] = context.Edi;
1.505 + ptrRegs[REG_INDEX(ESI)] = context.Esi;
1.506 + ptrRegs[REG_INDEX(EBX)] = context.Ebx;
1.507 + ptrRegs[REG_INDEX(EDX)] = context.Edx;
1.508 + ptrRegs[REG_INDEX(ECX)] = context.Ecx;
1.509 + ptrRegs[REG_INDEX(EAX)] = context.Eax;
1.510 +
1.511 + ptrRegs[REG_INDEX(FP)] = context.Ebp;
1.512 + ptrRegs[REG_INDEX(PC)] = context.Eip;
1.513 + ptrRegs[REG_INDEX(CS)] = context.SegCs;
1.514 + ptrRegs[REG_INDEX(EFL)] = context.EFlags;
1.515 + ptrRegs[REG_INDEX(SP)] = context.Esp;
1.516 + ptrRegs[REG_INDEX(SS)] = context.SegSs;
1.517 +
1.518 + ptrRegs[REG_INDEX(DR0)] = context.Dr0;
1.519 + ptrRegs[REG_INDEX(DR1)] = context.Dr1;
1.520 + ptrRegs[REG_INDEX(DR2)] = context.Dr2;
1.521 + ptrRegs[REG_INDEX(DR3)] = context.Dr3;
1.522 + ptrRegs[REG_INDEX(DR6)] = context.Dr6;
1.523 + ptrRegs[REG_INDEX(DR7)] = context.Dr7;
1.524 +
1.525 +#elif _M_AMD64
1.526 + #define REG_INDEX(x) sun_jvm_hotspot_debugger_amd64_AMD64ThreadContext_##x
1.527 +
1.528 + context.ContextFlags = CONTEXT_FULL | CONTEXT_DEBUG_REGISTERS;
1.529 + ptrIDebugAdvanced->GetThreadContext(&context, sizeof(CONTEXT));
1.530 +
1.531 + // Segment Registers and processor flags
1.532 + ptrRegs[REG_INDEX(CS)] = context.SegCs;
1.533 + ptrRegs[REG_INDEX(DS)] = context.SegDs;
1.534 + ptrRegs[REG_INDEX(ES)] = context.SegEs;
1.535 + ptrRegs[REG_INDEX(FS)] = context.SegFs;
1.536 + ptrRegs[REG_INDEX(GS)] = context.SegGs;
1.537 + ptrRegs[REG_INDEX(SS)] = context.SegSs;
1.538 + ptrRegs[REG_INDEX(RFL)] = context.EFlags;
1.539 +
1.540 + // Integer registers
1.541 + ptrRegs[REG_INDEX(RDI)] = context.Rdi;
1.542 + ptrRegs[REG_INDEX(RSI)] = context.Rsi;
1.543 + ptrRegs[REG_INDEX(RAX)] = context.Rax;
1.544 + ptrRegs[REG_INDEX(RCX)] = context.Rcx;
1.545 + ptrRegs[REG_INDEX(RDX)] = context.Rdx;
1.546 + ptrRegs[REG_INDEX(RBX)] = context.Rbx;
1.547 + ptrRegs[REG_INDEX(RBP)] = context.Rbp;
1.548 + ptrRegs[REG_INDEX(RSP)] = context.Rsp;
1.549 +
1.550 + ptrRegs[REG_INDEX(R8)] = context.R8;
1.551 + ptrRegs[REG_INDEX(R9)] = context.R9;
1.552 + ptrRegs[REG_INDEX(R10)] = context.R10;
1.553 + ptrRegs[REG_INDEX(R11)] = context.R11;
1.554 + ptrRegs[REG_INDEX(R12)] = context.R12;
1.555 + ptrRegs[REG_INDEX(R13)] = context.R13;
1.556 + ptrRegs[REG_INDEX(R14)] = context.R14;
1.557 + ptrRegs[REG_INDEX(R15)] = context.R15;
1.558 +
1.559 + // Program counter
1.560 + ptrRegs[REG_INDEX(RIP)] = context.Rip;
1.561 +#endif
1.562 +
1.563 + env->ReleaseLongArrayElements(regs, ptrRegs, JNI_COMMIT);
1.564 + CHECK_EXCEPTION_(false);
1.565 +
1.566 + env->CallVoidMethod(obj, setThreadIntegerRegisterSet_ID,
1.567 + (jlong) ptrThreadIds.asPtr()[t], regs);
1.568 + CHECK_EXCEPTION_(false);
1.569 +
1.570 + ULONG sysId;
1.571 + if (ptrIDebugSystemObjects->GetCurrentThreadSystemId(&sysId) != S_OK) {
1.572 + THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: GetCurrentThreadSystemId failed!", false);
1.573 + }
1.574 +
1.575 + env->CallVoidMethod(obj, addThread_ID, (jlong) sysId);
1.576 + CHECK_EXCEPTION_(false);
1.577 + }
1.578 +
1.579 + return true;
1.580 +}
1.581 +
1.582 +/*
1.583 + * Class: sun_jvm_hotspot_debugger_windbg_WindbgDebuggerLocal
1.584 + * Method: attach0
1.585 + * Signature: (Ljava/lang/String;Ljava/lang/String;)V
1.586 + */
1.587 +JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_windbg_WindbgDebuggerLocal_attach0__Ljava_lang_String_2Ljava_lang_String_2
1.588 + (JNIEnv *env, jobject obj, jstring execName, jstring coreFileName) {
1.589 +
1.590 + if (getWindbgInterfaces(env, obj) == false) {
1.591 + return;
1.592 + }
1.593 +
1.594 + if (openDumpFile(env, obj, coreFileName) == false) {
1.595 + return;
1.596 + }
1.597 +
1.598 + if (addLoadObjects(env, obj) == false) {
1.599 + return;
1.600 + }
1.601 +
1.602 + if (addThreads(env, obj) == false) {
1.603 + return;
1.604 + }
1.605 +}
1.606 +
1.607 +/*
1.608 + * Class: sun_jvm_hotspot_debugger_windbg_WindbgDebuggerLocal
1.609 + * Method: attach0
1.610 + * Signature: (I)V
1.611 + */
1.612 +JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_windbg_WindbgDebuggerLocal_attach0__I
1.613 + (JNIEnv *env, jobject obj, jint pid) {
1.614 +
1.615 + if (getWindbgInterfaces(env, obj) == false) {
1.616 + return;
1.617 + }
1.618 +
1.619 + if (attachToProcess(env, obj, pid) == false) {
1.620 + return;
1.621 + }
1.622 +
1.623 + if (addLoadObjects(env, obj) == false) {
1.624 + return;
1.625 + }
1.626 +
1.627 + if (addThreads(env, obj) == false) {
1.628 + return;
1.629 + }
1.630 +}
1.631 +
1.632 +
1.633 +static bool releaseWindbgInterfaces(JNIEnv* env, jobject obj) {
1.634 + IDebugDataSpaces* ptrIDebugDataSpaces = (IDebugDataSpaces*) env->GetLongField(obj,
1.635 + ptrIDebugDataSpaces_ID);
1.636 + CHECK_EXCEPTION_(false);
1.637 + if (ptrIDebugDataSpaces != 0) {
1.638 + ptrIDebugDataSpaces->Release();
1.639 + }
1.640 +
1.641 + IDebugOutputCallbacks* ptrIDebugOutputCallbacks = (IDebugOutputCallbacks*)
1.642 + env->GetLongField(obj, ptrIDebugOutputCallbacks_ID);
1.643 + CHECK_EXCEPTION_(false);
1.644 + if (ptrIDebugOutputCallbacks != 0) {
1.645 + ptrIDebugOutputCallbacks->Release();
1.646 + }
1.647 +
1.648 + IDebugAdvanced* ptrIDebugAdvanced = (IDebugAdvanced*) env->GetLongField(obj,
1.649 + ptrIDebugAdvanced_ID);
1.650 + CHECK_EXCEPTION_(false);
1.651 +
1.652 + if (ptrIDebugAdvanced != 0) {
1.653 + ptrIDebugAdvanced->Release();
1.654 + }
1.655 +
1.656 + IDebugSymbols* ptrIDebugSymbols = (IDebugSymbols*) env->GetLongField(obj,
1.657 + ptrIDebugSymbols_ID);
1.658 + CHECK_EXCEPTION_(false);
1.659 + if (ptrIDebugSymbols != 0) {
1.660 + ptrIDebugSymbols->Release();
1.661 + }
1.662 +
1.663 + IDebugSystemObjects* ptrIDebugSystemObjects = (IDebugSystemObjects*) env->GetLongField(obj,
1.664 + ptrIDebugSystemObjects_ID);
1.665 + CHECK_EXCEPTION_(false);
1.666 + if (ptrIDebugSystemObjects != 0) {
1.667 + ptrIDebugSystemObjects->Release();
1.668 + }
1.669 +
1.670 + IDebugControl* ptrIDebugControl = (IDebugControl*) env->GetLongField(obj,
1.671 + ptrIDebugControl_ID);
1.672 + CHECK_EXCEPTION_(false);
1.673 + if (ptrIDebugControl != 0) {
1.674 + ptrIDebugControl->Release();
1.675 + }
1.676 +
1.677 + IDebugClient* ptrIDebugClient = (IDebugClient*) env->GetLongField(obj,
1.678 + ptrIDebugClient_ID);
1.679 + CHECK_EXCEPTION_(false);
1.680 + if (ptrIDebugClient != 0) {
1.681 + ptrIDebugClient->Release();
1.682 + }
1.683 +
1.684 + return true;
1.685 +}
1.686 +
1.687 +/*
1.688 + * Class: sun_jvm_hotspot_debugger_windbg_WindbgDebuggerLocal
1.689 + * Method: detach0
1.690 + * Signature: ()V
1.691 + */
1.692 +JNIEXPORT void JNICALL Java_sun_jvm_hotspot_debugger_windbg_WindbgDebuggerLocal_detach0
1.693 + (JNIEnv *env, jobject obj) {
1.694 + IDebugClient* ptrIDebugClient = (IDebugClient*) env->GetLongField(obj,
1.695 + ptrIDebugClient_ID);
1.696 + CHECK_EXCEPTION;
1.697 + ptrIDebugClient->DetachProcesses();
1.698 + releaseWindbgInterfaces(env, obj);
1.699 +}
1.700 +
1.701 +
1.702 +/*
1.703 + * Class: sun_jvm_hotspot_debugger_windbg_WindbgDebuggerLocal
1.704 + * Method: readBytesFromProcess0
1.705 + * Signature: (JJ)[B
1.706 + */
1.707 +JNIEXPORT jbyteArray JNICALL Java_sun_jvm_hotspot_debugger_windbg_WindbgDebuggerLocal_readBytesFromProcess0
1.708 + (JNIEnv *env, jobject obj, jlong address, jlong numBytes) {
1.709 + jbyteArray byteArray = env->NewByteArray((long) numBytes);
1.710 + CHECK_EXCEPTION_(0);
1.711 +
1.712 + jboolean isCopy = JNI_FALSE;
1.713 + jbyte* bytePtr = env->GetByteArrayElements(byteArray, &isCopy);
1.714 + CHECK_EXCEPTION_(0);
1.715 +
1.716 + IDebugDataSpaces* ptrIDebugDataSpaces = (IDebugDataSpaces*) env->GetLongField(obj,
1.717 + ptrIDebugDataSpaces_ID);
1.718 + CHECK_EXCEPTION_(0);
1.719 +
1.720 + ULONG bytesRead;
1.721 + if (ptrIDebugDataSpaces->ReadVirtual((ULONG64) address, (PVOID) bytePtr,
1.722 + (ULONG)numBytes, &bytesRead) != S_OK) {
1.723 + THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: ReadVirtual failed!", 0);
1.724 + }
1.725 +
1.726 + if (bytesRead != numBytes) {
1.727 + return 0;
1.728 + }
1.729 +
1.730 + env->ReleaseByteArrayElements(byteArray, bytePtr, 0);
1.731 + CHECK_EXCEPTION_(0);
1.732 +
1.733 + return byteArray;
1.734 +}
1.735 +
1.736 +/*
1.737 + * Class: sun_jvm_hotspot_debugger_windbg_WindbgDebuggerLocal
1.738 + * Method: getThreadIdFromSysId0
1.739 + * Signature: (J)J
1.740 + */
1.741 +JNIEXPORT jlong JNICALL Java_sun_jvm_hotspot_debugger_windbg_WindbgDebuggerLocal_getThreadIdFromSysId0
1.742 + (JNIEnv *env, jobject obj, jlong sysId) {
1.743 + IDebugSystemObjects* ptrIDebugSystemObjects = (IDebugSystemObjects*) env->GetLongField(obj,
1.744 + ptrIDebugSystemObjects_ID);
1.745 + CHECK_EXCEPTION_(0);
1.746 +
1.747 + ULONG id = 0;
1.748 + if (ptrIDebugSystemObjects->GetThreadIdBySystemId((ULONG)sysId, &id) != S_OK) {
1.749 + THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: GetThreadIdBySystemId failed!", 0);
1.750 + }
1.751 +
1.752 + return (jlong) id;
1.753 +}
1.754 +
1.755 +// manage COM 'auto' pointers (to avoid multiple Release
1.756 +// calls at every early (exception) returns). Similar to AutoArrayPtr.
1.757 +
1.758 +template <class T>
1.759 +class AutoCOMPtr {
1.760 + T* m_ptr;
1.761 +
1.762 + public:
1.763 + AutoCOMPtr(T* ptr) : m_ptr(ptr) {
1.764 + }
1.765 +
1.766 + ~AutoCOMPtr() {
1.767 + if (m_ptr) {
1.768 + m_ptr->Release();
1.769 + }
1.770 + }
1.771 +
1.772 + T* operator->() {
1.773 + return m_ptr;
1.774 + }
1.775 +};
1.776 +
1.777 +/*
1.778 + * Class: sun_jvm_hotspot_debugger_windbg_WindbgDebuggerLocal
1.779 + * Method: consoleExecuteCommand0
1.780 + * Signature: (Ljava/lang/String;)Ljava/lang/String;
1.781 + */
1.782 +JNIEXPORT jstring JNICALL Java_sun_jvm_hotspot_debugger_windbg_WindbgDebuggerLocal_consoleExecuteCommand0
1.783 + (JNIEnv *env, jobject obj, jstring cmd) {
1.784 + jboolean isCopy = JNI_FALSE;
1.785 + const char* buf = env->GetStringUTFChars(cmd, &isCopy);
1.786 + CHECK_EXCEPTION_(0);
1.787 + AutoJavaString command(env, cmd, buf);
1.788 +
1.789 + IDebugClient* ptrIDebugClient = (IDebugClient*) env->GetLongField(obj, ptrIDebugClient_ID);
1.790 + CHECK_EXCEPTION_(0);
1.791 +
1.792 + IDebugClient* tmpClientPtr = 0;
1.793 + if (ptrIDebugClient->CreateClient(&tmpClientPtr) != S_OK) {
1.794 + THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: CreateClient failed!", 0);
1.795 + }
1.796 + AutoCOMPtr<IDebugClient> tmpClient(tmpClientPtr);
1.797 +
1.798 + IDebugControl* tmpControlPtr = 0;
1.799 + if (tmpClient->QueryInterface(__uuidof(IDebugControl), (PVOID*) &tmpControlPtr) != S_OK) {
1.800 + THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: QueryInterface (IDebugControl) failed", 0);
1.801 + }
1.802 + AutoCOMPtr<IDebugControl> tmpControl(tmpControlPtr);
1.803 +
1.804 + SAOutputCallbacks* saOutputCallbacks = (SAOutputCallbacks*) env->GetLongField(obj,
1.805 + ptrIDebugOutputCallbacks_ID);
1.806 + CHECK_EXCEPTION_(0);
1.807 +
1.808 + saOutputCallbacks->clearBuffer();
1.809 +
1.810 + if (tmpClient->SetOutputCallbacks(saOutputCallbacks) != S_OK) {
1.811 + THROW_NEW_DEBUGGER_EXCEPTION_("Windbg Error: SetOutputCallbacks failed!", 0);
1.812 + }
1.813 +
1.814 + tmpControl->Execute(DEBUG_OUTPUT_VERBOSE, command, DEBUG_EXECUTE_DEFAULT);
1.815 +
1.816 + const char* output = saOutputCallbacks->getBuffer();
1.817 + if (output == 0) {
1.818 + output = "";
1.819 + }
1.820 +
1.821 + jstring res = env->NewStringUTF(output);
1.822 + saOutputCallbacks->clearBuffer();
1.823 + return res;
1.824 +}
1.825 +
1.826 +/*
1.827 + * Class: sun_jvm_hotspot_debugger_windbg_WindbgDebuggerLocal
1.828 + * Method: lookupByName0
1.829 + * Signature: (Ljava/lang/String;Ljava/lang/String;)J
1.830 + */
1.831 +
1.832 +JNIEXPORT jlong JNICALL Java_sun_jvm_hotspot_debugger_windbg_WindbgDebuggerLocal_lookupByName0
1.833 +(JNIEnv *env, jobject obj, jstring objName, jstring sym) {
1.834 + IDebugSymbols* ptrIDebugSymbols = (IDebugSymbols*) env->GetLongField(obj,
1.835 + ptrIDebugSymbols_ID);
1.836 + CHECK_EXCEPTION_(0);
1.837 +
1.838 + jboolean isCopy;
1.839 + const char* buf = env->GetStringUTFChars(sym, &isCopy);
1.840 + CHECK_EXCEPTION_(0);
1.841 + AutoJavaString name(env, sym, buf);
1.842 +
1.843 + ULONG64 offset = 0L;
1.844 + if (strstr(name, "::") != 0) {
1.845 + ptrIDebugSymbols->AddSymbolOptions(SYMOPT_UNDNAME);
1.846 + } else {
1.847 + ptrIDebugSymbols->RemoveSymbolOptions(SYMOPT_UNDNAME);
1.848 + }
1.849 + if (ptrIDebugSymbols->GetOffsetByName(name, &offset) != S_OK) {
1.850 + return (jlong) 0;
1.851 + }
1.852 + return (jlong) offset;
1.853 +}
1.854 +
1.855 +#define SYMBOL_BUFSIZE 512
1.856 +/*
1.857 + * Class: sun_jvm_hotspot_debugger_windbg_WindbgDebuggerLocal
1.858 + * Method: lookupByAddress0
1.859 + * Signature: (J)Lsun/jvm/hotspot/debugger/cdbg/ClosestSymbol;
1.860 + */
1.861 +JNIEXPORT jobject JNICALL Java_sun_jvm_hotspot_debugger_windbg_WindbgDebuggerLocal_lookupByAddress0
1.862 +(JNIEnv *env, jobject obj, jlong address) {
1.863 + IDebugSymbols* ptrIDebugSymbols = (IDebugSymbols*) env->GetLongField(obj,
1.864 + ptrIDebugSymbols_ID);
1.865 + CHECK_EXCEPTION_(0);
1.866 +
1.867 + ULONG64 disp = 0L;
1.868 + char buf[SYMBOL_BUFSIZE];
1.869 + memset(buf, 0, sizeof(buf));
1.870 +
1.871 + if (ptrIDebugSymbols->GetNameByOffset(address, buf, sizeof(buf),0,&disp)
1.872 + != S_OK) {
1.873 + return 0;
1.874 + }
1.875 +
1.876 + jstring sym = env->NewStringUTF(buf);
1.877 + CHECK_EXCEPTION_(0);
1.878 + jobject res = env->CallObjectMethod(obj, createClosestSymbol_ID, sym, disp);
1.879 + CHECK_EXCEPTION_(0);
1.880 + return res;
1.881 +}
