jdwp_event.cc revision 761928d24e4e7ed7776b52243eaf9095ad35f448
1872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 2872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Copyright (C) 2008 The Android Open Source Project 3872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 4872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Licensed under the Apache License, Version 2.0 (the "License"); 5872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * you may not use this file except in compliance with the License. 6872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * You may obtain a copy of the License at 7872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 8872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * http://www.apache.org/licenses/LICENSE-2.0 9872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 10872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Unless required by applicable law or agreed to in writing, software 11872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * distributed under the License is distributed on an "AS IS" BASIS, 12872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * See the License for the specific language governing permissions and 14872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * limitations under the License. 15872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 16872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 17872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Send events to the debugger. 18872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 19872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes#include "debugger.h" 20872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes#include "jdwp/jdwp_priv.h" 21872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes#include "jdwp/jdwp_constants.h" 22872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes#include "jdwp/jdwp_handler.h" 23872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes#include "jdwp/jdwp_event.h" 24872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes#include "jdwp/jdwp_expand_buf.h" 25872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes#include "logging.h" 26872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes#include "stringprintf.h" 27872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 28872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes#include <stdlib.h> 29872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes#include <string.h> 30872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes#include <stddef.h> /* for offsetof() */ 31872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes#include <unistd.h> 32872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 33872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 34872d4ec7225444d9400d30f9027247deb91012fdElliott HughesGeneral notes: 35872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 36872d4ec7225444d9400d30f9027247deb91012fdElliott HughesThe event add/remove stuff usually happens from the debugger thread, 37872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesin response to requests from the debugger, but can also happen as the 38872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesresult of an event in an arbitrary thread (e.g. an event with a "count" 39872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesmod expires). It's important to keep the event list locked when processing 40872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesevents. 41872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 42872d4ec7225444d9400d30f9027247deb91012fdElliott HughesEvent posting can happen from any thread. The JDWP thread will not usually 43872d4ec7225444d9400d30f9027247deb91012fdElliott Hughespost anything but VM start/death, but if a JDWP request causes a class 44872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesto be loaded, the ClassPrepare event will come from the JDWP thread. 45872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 46872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 47872d4ec7225444d9400d30f9027247deb91012fdElliott HughesWe can have serialization issues when we post an event to the debugger. 48872d4ec7225444d9400d30f9027247deb91012fdElliott HughesFor example, a thread could send an "I hit a breakpoint and am suspending 49872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesmyself" message to the debugger. Before it manages to suspend itself, the 50872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesdebugger's response ("not interested, resume thread") arrives and is 51872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesprocessed. We try to resume a thread that hasn't yet suspended. 52872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 53872d4ec7225444d9400d30f9027247deb91012fdElliott HughesThis means that, after posting an event to the debugger, we need to wait 54872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesfor the event thread to suspend itself (and, potentially, all other threads) 55872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesbefore processing any additional requests from the debugger. While doing 56872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesso we need to be aware that multiple threads may be hitting breakpoints 57872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesor other events simultaneously, so we either need to wait for all of them 58872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesor serialize the events with each other. 59872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 60872d4ec7225444d9400d30f9027247deb91012fdElliott HughesThe current mechanism works like this: 61872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes Event thread: 62872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes - If I'm going to suspend, grab the "I am posting an event" token. Wait 63872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes for it if it's not currently available. 64872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes - Post the event to the debugger. 65872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes - If appropriate, suspend others and then myself. As part of suspending 66872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes myself, release the "I am posting" token. 67872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes JDWP thread: 68872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes - When an event arrives, see if somebody is posting an event. If so, 69872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes sleep until we can acquire the "I am posting an event" token. Release 70872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes it immediately and continue processing -- the event we have already 71872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes received should not interfere with other events that haven't yet 72872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes been posted. 73872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 74872d4ec7225444d9400d30f9027247deb91012fdElliott HughesSome care must be taken to avoid deadlock: 75872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 76872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes - thread A and thread B exit near-simultaneously, and post thread-death 77872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes events with a "suspend all" clause 78872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes - thread A gets the event token, thread B sits and waits for it 79872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes - thread A wants to suspend all other threads, but thread B is waiting 80872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes for the token and can't be suspended 81872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 82872d4ec7225444d9400d30f9027247deb91012fdElliott HughesSo we need to mark thread B in such a way that thread A doesn't wait for it. 83872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 84872d4ec7225444d9400d30f9027247deb91012fdElliott HughesIf we just bracket the "grab event token" call with a change to VMWAIT 85872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesbefore sleeping, the switch back to RUNNING state when we get the token 86872d4ec7225444d9400d30f9027247deb91012fdElliott Hugheswill cause thread B to suspend (remember, thread A's global suspend is 87872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesstill in force, even after it releases the token). Suspending while 88872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesholding the event token is very bad, because it prevents the JDWP thread 89872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesfrom processing incoming messages. 90872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 91872d4ec7225444d9400d30f9027247deb91012fdElliott HughesWe need to change to VMWAIT state at the *start* of posting an event, 92872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesand stay there until we either finish posting the event or decide to 93872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesput ourselves to sleep. That way we don't interfere with anyone else and 94872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesdon't allow anyone else to interfere with us. 95872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes*/ 96872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 97872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 98872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes#define kJdwpEventCommandSet 64 99872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes#define kJdwpCompositeCommand 100 100872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 101872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesnamespace art { 102872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 103872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesnamespace JDWP { 104872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 105872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 106872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Stuff to compare against when deciding if a mod matches. Only the 107872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * values for mods valid for the event being evaluated will be filled in. 108872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * The rest will be zeroed. 109872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 110872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesstruct ModBasket { 111872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes const JdwpLocation* pLoc; /* LocationOnly */ 112a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes std::string className; /* ClassMatch/ClassExclude */ 113872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes ObjectId threadId; /* ThreadOnly */ 114872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes RefTypeId classId; /* ClassOnly */ 115872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes RefTypeId excepClassId; /* ExceptionOnly */ 116872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes bool caught; /* ExceptionOnly */ 117872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes FieldId field; /* FieldOnly */ 118872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes ObjectId thisPtr; /* InstanceOnly */ 119872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* nothing for StepOnly -- handled differently */ 120872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes}; 121872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 122872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 123872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Dump an event to the log file. 124872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 125872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesstatic void dumpEvent(const JdwpEvent* pEvent) { 126872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes LOG(INFO) << StringPrintf("Event id=0x%4x %p (prev=%p next=%p):", pEvent->requestId, pEvent, pEvent->prev, pEvent->next); 127872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes LOG(INFO) << " kind=" << pEvent->eventKind << " susp=" << pEvent->suspendPolicy << " modCount=" << pEvent->modCount; 128872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 129872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes for (int i = 0; i < pEvent->modCount; i++) { 130872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes const JdwpEventMod* pMod = &pEvent->mods[i]; 131872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes LOG(INFO) << " " << static_cast<JdwpModKind>(pMod->modKind); 132872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* TODO - show details */ 133872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 134872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 135872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 136872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 137872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Add an event to the list. Ordering is not important. 138872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 139872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * If something prevents the event from being registered, e.g. it's a 140872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * single-step request on a thread that doesn't exist, the event will 141872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * not be added to the list, and an appropriate error will be returned. 142872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 143761928d24e4e7ed7776b52243eaf9095ad35f448Elliott HughesJdwpError JdwpState::RegisterEvent(JdwpEvent* pEvent) { 144761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes MutexLock mu(event_lock_); 145872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 146872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes CHECK(pEvent != NULL); 147872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes CHECK(pEvent->prev == NULL); 148872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes CHECK(pEvent->next == NULL); 149872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 150872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* 151872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * If one or more "break"-type mods are used, register them with 152872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * the interpreter. 153872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 154872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes for (int i = 0; i < pEvent->modCount; i++) { 155872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes const JdwpEventMod* pMod = &pEvent->mods[i]; 156872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (pMod->modKind == MK_LOCATION_ONLY) { 157872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* should only be for Breakpoint, Step, and Exception */ 158872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes Dbg::WatchLocation(&pMod->locationOnly.loc); 159872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } else if (pMod->modKind == MK_STEP) { 160872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* should only be for EK_SINGLE_STEP; should only be one */ 161872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes JdwpStepSize size = static_cast<JdwpStepSize>(pMod->step.size); 162872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes JdwpStepDepth depth = static_cast<JdwpStepDepth>(pMod->step.depth); 163872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes Dbg::ConfigureStep(pMod->step.threadId, size, depth); 164872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } else if (pMod->modKind == MK_FIELD_ONLY) { 165872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* should be for EK_FIELD_ACCESS or EK_FIELD_MODIFICATION */ 166872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes dumpEvent(pEvent); /* TODO - need for field watches */ 167872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 168872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 169872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 170872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* 171872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Add to list. 172872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 173761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes if (eventList != NULL) { 174761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes pEvent->next = eventList; 175761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes eventList->prev = pEvent; 176872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 177761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes eventList = pEvent; 178761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes numEvents++; 179872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 180872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return ERR_NONE; 181872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 182872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 183872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 184872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Remove an event from the list. This will also remove the event from 185872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * any optimization tables, e.g. breakpoints. 186872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 187872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Does not free the JdwpEvent. 188872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 189872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Grab the eventLock before calling here. 190872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 191761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughesvoid JdwpState::UnregisterEvent(JdwpEvent* pEvent) { 192872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (pEvent->prev == NULL) { 193872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* head of the list */ 194761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes CHECK(eventList == pEvent); 195872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 196761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes eventList = pEvent->next; 197872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } else { 198872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes pEvent->prev->next = pEvent->next; 199872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 200872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 201872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (pEvent->next != NULL) { 202872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes pEvent->next->prev = pEvent->prev; 203872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes pEvent->next = NULL; 204872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 205872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes pEvent->prev = NULL; 206872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 207872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* 208872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Unhook us from the interpreter, if necessary. 209872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 210872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes for (int i = 0; i < pEvent->modCount; i++) { 211872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes JdwpEventMod* pMod = &pEvent->mods[i]; 212872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (pMod->modKind == MK_LOCATION_ONLY) { 213872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* should only be for Breakpoint, Step, and Exception */ 214872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes Dbg::UnwatchLocation(&pMod->locationOnly.loc); 215872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 216872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (pMod->modKind == MK_STEP) { 217872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* should only be for EK_SINGLE_STEP; should only be one */ 218872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes Dbg::UnconfigureStep(pMod->step.threadId); 219872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 220872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 221872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 222761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes numEvents--; 223761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes CHECK(numEvents != 0 || eventList == NULL); 224872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 225872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 226872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 227872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Remove the event with the given ID from the list. 228872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 229872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Failure to find the event isn't really an error, but it is a little 230872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * weird. (It looks like Eclipse will try to be extra careful and will 231872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * explicitly remove one-off single-step events.) 232872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 233761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughesvoid JdwpState::UnregisterEventById(uint32_t requestId) { 234761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes MutexLock mu(event_lock_); 235872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 236761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes JdwpEvent* pEvent = eventList; 237872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes while (pEvent != NULL) { 238872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (pEvent->requestId == requestId) { 239761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes UnregisterEvent(pEvent); 240872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes EventFree(pEvent); 241761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes return; /* there can be only one with a given ID */ 242872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 243872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 244872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes pEvent = pEvent->next; 245872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 246872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 247872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes //LOGD("Odd: no match when removing event reqId=0x%04x", requestId); 248872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 249872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 250872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 251872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Remove all entries from the event list. 252872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 253761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughesvoid JdwpState::UnregisterAll() { 254761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes MutexLock mu(event_lock_); 255872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 256761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes JdwpEvent* pEvent = eventList; 257872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes while (pEvent != NULL) { 258872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes JdwpEvent* pNextEvent = pEvent->next; 259872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 260761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes UnregisterEvent(pEvent); 261872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes EventFree(pEvent); 262872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes pEvent = pNextEvent; 263872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 264872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 265761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes eventList = NULL; 266872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 267872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 268872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 269872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Allocate a JdwpEvent struct with enough space to hold the specified 270872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * number of mod records. 271872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 272872d4ec7225444d9400d30f9027247deb91012fdElliott HughesJdwpEvent* EventAlloc(int numMods) { 273872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes JdwpEvent* newEvent; 274872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes int allocSize = offsetof(JdwpEvent, mods) + numMods * sizeof(newEvent->mods[0]); 275872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes newEvent = reinterpret_cast<JdwpEvent*>(malloc(allocSize)); 276872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes memset(newEvent, 0, allocSize); 277872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return newEvent; 278872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 279872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 280872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 281872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Free a JdwpEvent. 282872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 283872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Do not call this until the event has been removed from the list. 284872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 285872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid EventFree(JdwpEvent* pEvent) { 286872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (pEvent == NULL) { 287872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return; 288872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 289872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 290872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* make sure it was removed from the list */ 291872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes CHECK(pEvent->prev == NULL); 292872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes CHECK(pEvent->next == NULL); 293872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* want to check state->eventList != pEvent */ 294872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 295872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* 296872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Free any hairy bits in the mods. 297872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 298872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes for (int i = 0; i < pEvent->modCount; i++) { 299872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (pEvent->mods[i].modKind == MK_CLASS_MATCH) { 300872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes free(pEvent->mods[i].classMatch.classPattern); 301872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes pEvent->mods[i].classMatch.classPattern = NULL; 302872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 303872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (pEvent->mods[i].modKind == MK_CLASS_EXCLUDE) { 304872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes free(pEvent->mods[i].classExclude.classPattern); 305872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes pEvent->mods[i].classExclude.classPattern = NULL; 306872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 307872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 308872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 309872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes free(pEvent); 310872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 311872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 312872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 313872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Allocate storage for matching events. To keep things simple we 314872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * use an array with enough storage for the entire list. 315872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 316872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * The state->eventLock should be held before calling. 317872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 318761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughesstatic JdwpEvent** AllocMatchList(size_t event_count) { 319761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes return new JdwpEvent*[event_count]; 320872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 321872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 322872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 323872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Run through the list and remove any entries with an expired "count" mod 324872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * from the event list, then free the match list. 325872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 326761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughesvoid JdwpState::CleanupMatchList(JdwpEvent** matchList, int matchCount) { 327872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes JdwpEvent** ppEvent = matchList; 328872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 329872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes while (matchCount--) { 330872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes JdwpEvent* pEvent = *ppEvent; 331872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 332872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes for (int i = 0; i < pEvent->modCount; i++) { 333872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (pEvent->mods[i].modKind == MK_COUNT && pEvent->mods[i].count.count == 0) { 334872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes LOG(VERBOSE) << "##### Removing expired event"; 335761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes UnregisterEvent(pEvent); 336872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes EventFree(pEvent); 337872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes break; 338872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 339872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 340872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 341872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes ppEvent++; 342872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 343872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 344761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes delete[] matchList; 345872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 346872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 347872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 348872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Match a string against a "restricted regular expression", which is just 349872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * a string that may start or end with '*' (e.g. "*.Foo" or "java.*"). 350872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 351872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * ("Restricted name globbing" might have been a better term.) 352872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 353761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughesstatic bool PatternMatch(const char* pattern, const std::string& target) { 354a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes size_t patLen = strlen(pattern); 355872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 356872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (pattern[0] == '*') { 357872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes patLen--; 358872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes // TODO: remove printf when we find a test case to verify this 359a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes LOG(ERROR) << ">>> comparing '" << (pattern + 1) << "' to '" << (target.c_str() + (target.size()-patLen)) << "'"; 360872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 361a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (target.size() < patLen) { 362872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return false; 363872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 364a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return strcmp(pattern+1, target.c_str() + (target.size()-patLen)) == 0; 365872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } else if (pattern[patLen-1] == '*') { 366a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return strncmp(pattern, target.c_str(), patLen-1) == 0; 367872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } else { 368a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return strcmp(pattern, target.c_str()) == 0; 369872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 370872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 371872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 372872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 373872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * See if two locations are equal. 374872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 375872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * It's tempting to do a bitwise compare ("struct ==" or memcmp), but if 376872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * the storage wasn't zeroed out there could be undefined values in the 377872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * padding. Besides, the odds of "idx" being equal while the others aren't 378872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * is very small, so this is usually just a simple integer comparison. 379872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 380761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughesstatic inline bool LocationMatch(const JdwpLocation* pLoc1, const JdwpLocation* pLoc2) { 381872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return pLoc1->idx == pLoc2->idx && 382872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes pLoc1->methodId == pLoc2->methodId && 383872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes pLoc1->classId == pLoc2->classId && 384872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes pLoc1->typeTag == pLoc2->typeTag; 385872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 386872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 387872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 388872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * See if the event's mods match up with the contents of "basket". 389872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 390872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * If we find a Count mod before rejecting an event, we decrement it. We 391872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * need to do this even if later mods cause us to ignore the event. 392872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 393761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughesstatic bool ModsMatch(JdwpEvent* pEvent, ModBasket* basket) { 394872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes JdwpEventMod* pMod = pEvent->mods; 395872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 396872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes for (int i = pEvent->modCount; i > 0; i--, pMod++) { 397872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes switch (pMod->modKind) { 398872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes case MK_COUNT: 399872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes CHECK_GT(pMod->count.count, 0); 400872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes pMod->count.count--; 401872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes break; 402872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes case MK_CONDITIONAL: 403872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes CHECK(false); // should not be getting these 404872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes break; 405872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes case MK_THREAD_ONLY: 406872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (pMod->threadOnly.threadId != basket->threadId) { 407872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return false; 408872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 409872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes break; 410872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes case MK_CLASS_ONLY: 411872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (!Dbg::MatchType(basket->classId, pMod->classOnly.refTypeId)) { 412872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return false; 413872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 414872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes break; 415872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes case MK_CLASS_MATCH: 416761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes if (!PatternMatch(pMod->classMatch.classPattern, basket->className)) { 417872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return false; 418872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 419872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes break; 420872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes case MK_CLASS_EXCLUDE: 421761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes if (PatternMatch(pMod->classMatch.classPattern, basket->className)) { 422872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return false; 423872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 424872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes break; 425872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes case MK_LOCATION_ONLY: 426761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes if (!LocationMatch(&pMod->locationOnly.loc, basket->pLoc)) { 427872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return false; 428872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 429872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes break; 430872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes case MK_EXCEPTION_ONLY: 431872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (pMod->exceptionOnly.refTypeId != 0 && !Dbg::MatchType(basket->excepClassId, pMod->exceptionOnly.refTypeId)) { 432872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return false; 433872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 434872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if ((basket->caught && !pMod->exceptionOnly.caught) || (!basket->caught && !pMod->exceptionOnly.uncaught)) { 435872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return false; 436872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 437872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes break; 438872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes case MK_FIELD_ONLY: 439872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (!Dbg::MatchType(basket->classId, pMod->fieldOnly.refTypeId) || pMod->fieldOnly.fieldId != basket->field) { 440872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return false; 441872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 442872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes break; 443872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes case MK_STEP: 444872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (pMod->step.threadId != basket->threadId) { 445872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return false; 446872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 447872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes break; 448872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes case MK_INSTANCE_ONLY: 449872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (pMod->instanceOnly.objectId != basket->thisPtr) { 450872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return false; 451872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 452872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes break; 453872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes default: 454872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes LOG(ERROR) << "unhandled mod kind " << pMod->modKind; 455872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes CHECK(false); 456872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes break; 457872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 458872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 459872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return true; 460872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 461872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 462872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 463872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Find all events of type "eventKind" with mods that match up with the 464872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * rest of the arguments. 465872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 466872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Found events are appended to "matchList", and "*pMatchCount" is advanced, 467872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * so this may be called multiple times for grouped events. 468872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 469872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * DO NOT call this multiple times for the same eventKind, as Count mods are 470872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * decremented during the scan. 471872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 472761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughesvoid JdwpState::FindMatchingEvents(JdwpEventKind eventKind, ModBasket* basket, JdwpEvent** matchList, int* pMatchCount) { 473872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* start after the existing entries */ 474872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes matchList += *pMatchCount; 475872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 476761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes JdwpEvent* pEvent = eventList; 477872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes while (pEvent != NULL) { 478761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes if (pEvent->eventKind == eventKind && ModsMatch(pEvent, basket)) { 479872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes *matchList++ = pEvent; 480872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes (*pMatchCount)++; 481872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 482872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 483872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes pEvent = pEvent->next; 484872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 485872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 486872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 487872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 488872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Scan through the list of matches and determine the most severe 489872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * suspension policy. 490872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 491872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesstatic JdwpSuspendPolicy scanSuspendPolicy(JdwpEvent** matchList, int matchCount) { 492872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes JdwpSuspendPolicy policy = SP_NONE; 493872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 494872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes while (matchCount--) { 495872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if ((*matchList)->suspendPolicy > policy) { 496872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes policy = (*matchList)->suspendPolicy; 497872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 498872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes matchList++; 499872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 500872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 501872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return policy; 502872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 503872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 504872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 505872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Three possibilities: 506872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * SP_NONE - do nothing 507872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * SP_EVENT_THREAD - suspend ourselves 508872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * SP_ALL - suspend everybody except JDWP support thread 509872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 510761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughesvoid JdwpState::SuspendByPolicy(JdwpSuspendPolicy suspendPolicy) { 511761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes LOG(INFO) << "SuspendByPolicy(" << suspendPolicy << ")"; 512872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (suspendPolicy == SP_NONE) { 513872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return; 514872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 515872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 516872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (suspendPolicy == SP_ALL) { 517475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes Dbg::SuspendVM(); 518872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } else { 519872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes CHECK_EQ(suspendPolicy, SP_EVENT_THREAD); 520872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 521872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 522872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* this is rare but possible -- see CLASS_PREPARE handling */ 523761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes if (Dbg::GetThreadSelfId() == debugThreadId) { 524761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes LOG(INFO) << "NOTE: SuspendByPolicy not suspending JDWP thread"; 525872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return; 526872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 527872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 528872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes DebugInvokeReq* pReq = Dbg::GetInvokeReq(); 529872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes while (true) { 530872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes pReq->ready = true; 531872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes Dbg::SuspendSelf(); 532872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes pReq->ready = false; 533872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 534872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* 535872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * The JDWP thread has told us (and possibly all other threads) to 536872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * resume. See if it has left anything in our DebugInvokeReq mailbox. 537872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 538475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes if (!pReq->invoke_needed) { 539761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes /*LOGD("SuspendByPolicy: no invoke needed");*/ 540872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes break; 541872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 542872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 543872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* grab this before posting/suspending again */ 544761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes SetWaitForEventThread(Dbg::GetThreadSelfId()); 545872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 546475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes /* leave pReq->invoke_needed raised so we can check reentrancy */ 547872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes LOG(VERBOSE) << "invoking method..."; 548872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes Dbg::ExecuteMethod(pReq); 549872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 550475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes pReq->error = ERR_NONE; 551872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 552872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* clear this before signaling */ 553475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes pReq->invoke_needed = false; 554872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 555872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes LOG(VERBOSE) << "invoke complete, signaling and self-suspending"; 556872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes MutexLock mu(pReq->lock_); 557872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes pReq->cond_.Signal(); 558872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 559872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 560872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 561872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 562872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Determine if there is a method invocation in progress in the current 563872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * thread. 564872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 565475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes * We look at the "invoke_needed" flag in the per-thread DebugInvokeReq 566872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * state. If set, we're in the process of invoking a method. 567872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 568761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughesbool JdwpState::InvokeInProgress() { 569872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes DebugInvokeReq* pReq = Dbg::GetInvokeReq(); 570475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes return pReq->invoke_needed; 571872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 572872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 573872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 574872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * We need the JDWP thread to hold off on doing stuff while we post an 575872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * event and then suspend ourselves. 576872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 577872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Call this with a threadId of zero if you just want to wait for the 578872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * current thread operation to complete. 579872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 580872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * This could go to sleep waiting for another thread, so it's important 581872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * that the thread be marked as VMWAIT before calling here. 582872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 583376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughesvoid JdwpState::SetWaitForEventThread(ObjectId threadId) { 584872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes bool waited = false; 585872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 586872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* this is held for very brief periods; contention is unlikely */ 587376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes MutexLock mu(event_thread_lock_); 588872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 589872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* 590872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * If another thread is already doing stuff, wait for it. This can 591872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * go to sleep indefinitely. 592872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 593376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes while (eventThreadId != 0) { 594376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes LOG(VERBOSE) << StringPrintf("event in progress (0x%llx), 0x%llx sleeping", eventThreadId, threadId); 595872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes waited = true; 596376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes event_thread_cond_.Wait(event_thread_lock_); 597872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 598872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 599872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (waited || threadId != 0) { 600872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes LOG(VERBOSE) << StringPrintf("event token grabbed (0x%llx)", threadId); 601872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 602872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (threadId != 0) { 603376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes eventThreadId = threadId; 604872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 605872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 606872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 607872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 608872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Clear the threadId and signal anybody waiting. 609872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 610376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughesvoid JdwpState::ClearWaitForEventThread() { 611872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* 612872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Grab the mutex. Don't try to go in/out of VMWAIT mode, as this 613872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * function is called by dvmSuspendSelf(), and the transition back 614872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * to RUNNING would confuse it. 615872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 616376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes MutexLock mu(event_thread_lock_); 617872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 618376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes CHECK_NE(eventThreadId, 0U); 619376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes LOG(VERBOSE) << StringPrintf("cleared event token (0x%llx)", eventThreadId); 620872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 621376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes eventThreadId = 0; 622872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 623376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes event_thread_cond_.Signal(); 624872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 625872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 626872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 627872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 628872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Prep an event. Allocates storage for the message and leaves space for 629872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * the header. 630872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 631872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesstatic ExpandBuf* eventPrep() { 632872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes ExpandBuf* pReq = expandBufAlloc(); 633872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes expandBufAddSpace(pReq, kJDWPHeaderLen); 634872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return pReq; 635872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 636872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 637872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 638872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Write the header into the buffer and send the packet off to the debugger. 639872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 640872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Takes ownership of "pReq" (currently discards it). 641872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 642761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughesvoid JdwpState::EventFinish(ExpandBuf* pReq) { 643872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes uint8_t* buf = expandBufGetBuffer(pReq); 644872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 645f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes Set4BE(buf, expandBufGetLength(pReq)); 646761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes Set4BE(buf+4, NextRequestSerial()); 647f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes Set1(buf+8, 0); /* flags */ 648f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes Set1(buf+9, kJdwpEventCommandSet); 649f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes Set1(buf+10, kJdwpCompositeCommand); 650872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 651761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes SendRequest(pReq); 652872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 653872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes expandBufFree(pReq); 654872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 655872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 656872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 657872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 658872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Tell the debugger that we have finished initializing. This is always 659872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * sent, even if the debugger hasn't requested it. 660872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 661872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * This should be sent "before the main thread is started and before 662872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * any application code has been executed". The thread ID in the message 663872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * must be for the main thread. 664872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 665376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughesbool JdwpState::PostVMStart() { 666872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes JdwpSuspendPolicy suspendPolicy; 667872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes ObjectId threadId = Dbg::GetThreadSelfId(); 668872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 669376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (options_->suspend) { 670872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes suspendPolicy = SP_ALL; 671872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } else { 672872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes suspendPolicy = SP_NONE; 673872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 674872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 675761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes ExpandBuf* pReq = eventPrep(); 676761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes { 677761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes MutexLock mu(event_lock_); // probably don't need this here 678872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 679872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes LOG(VERBOSE) << "EVENT: " << EK_VM_START; 680872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes LOG(VERBOSE) << " suspendPolicy=" << suspendPolicy; 681872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 682872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes expandBufAdd1(pReq, suspendPolicy); 683872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes expandBufAdd4BE(pReq, 1); 684872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 685872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes expandBufAdd1(pReq, EK_VM_START); 686872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes expandBufAdd4BE(pReq, 0); /* requestId */ 687872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes expandBufAdd8BE(pReq, threadId); 688872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 689872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 690872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* send request and possibly suspend ourselves */ 691872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (pReq != NULL) { 692376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes int old_state = Dbg::ThreadWaiting(); 693872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (suspendPolicy != SP_NONE) { 694376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes SetWaitForEventThread(threadId); 695872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 696872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 697761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes EventFinish(pReq); 698872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 699761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes SuspendByPolicy(suspendPolicy); 700376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes Dbg::ThreadContinuing(old_state); 701872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 702872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 703872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return true; 704872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 705872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 706872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes// TODO: This doesn't behave like the real dvmDescriptorToName. 707872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes// I'm hoping this isn't used to communicate with the debugger, and we can just use descriptors. 708a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughesstd::string dvmDescriptorToName(const std::string& descriptor) { 709a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return descriptor; 710872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 711872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 712872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 713872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * A location of interest has been reached. This handles: 714872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Breakpoint 715872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * SingleStep 716872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * MethodEntry 717872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * MethodExit 718872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * These four types must be grouped together in a single response. The 719872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * "eventFlags" indicates the type of event(s) that have happened. 720872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 721872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Valid mods: 722872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Count, ThreadOnly, ClassOnly, ClassMatch, ClassExclude, InstanceOnly 723872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * LocationOnly (for breakpoint/step only) 724872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Step (for step only) 725872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 726872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Interesting test cases: 727872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * - Put a breakpoint on a native method. Eclipse creates METHOD_ENTRY 728872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * and METHOD_EXIT events with a ClassOnly mod on the method's class. 729872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * - Use "run to line". Eclipse creates a BREAKPOINT with Count=1. 730872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * - Single-step to a line with a breakpoint. Should get a single 731872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * event message with both events in it. 732872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 733761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughesbool JdwpState::PostLocationEvent(const JdwpLocation* pLoc, ObjectId thisPtr, int eventFlags) { 734872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes ModBasket basket; 735872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 736872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes memset(&basket, 0, sizeof(basket)); 737872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes basket.pLoc = pLoc; 738872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes basket.classId = pLoc->classId; 739872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes basket.thisPtr = thisPtr; 740872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes basket.threadId = Dbg::GetThreadSelfId(); 741a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes basket.className = dvmDescriptorToName(Dbg::GetClassDescriptor(pLoc->classId)); 742872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 743872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* 744872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * On rare occasions we may need to execute interpreted code in the VM 745872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * while handling a request from the debugger. Don't fire breakpoints 746872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * while doing so. (I don't think we currently do this at all, so 747872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * this is mostly paranoia.) 748872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 749761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes if (basket.threadId == debugThreadId) { 750872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes LOG(VERBOSE) << "Ignoring location event in JDWP thread"; 751872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return false; 752872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 753872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 754872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* 755872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * The debugger variable display tab may invoke the interpreter to format 756872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * complex objects. We want to ignore breakpoints and method entry/exit 757872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * traps while working on behalf of the debugger. 758872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 759872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * If we don't ignore them, the VM will get hung up, because we'll 760872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * suspend on a breakpoint while the debugger is still waiting for its 761872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * method invocation to complete. 762872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 763761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes if (InvokeInProgress()) { 764872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes LOG(VERBOSE) << "Not checking breakpoints during invoke (" << basket.className << ")"; 765872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return false; 766872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 767872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 768761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes JdwpEvent** matchList = AllocMatchList(numEvents); 769872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes int matchCount = 0; 770872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes ExpandBuf* pReq = NULL; 771872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes JdwpSuspendPolicy suspendPolicy = SP_NONE; 772872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 773761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes { 774761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes MutexLock mu(event_lock_); 775761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes if ((eventFlags & Dbg::kBreakPoint) != 0) { 776761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes FindMatchingEvents(EK_BREAKPOINT, &basket, matchList, &matchCount); 777761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes } 778761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes if ((eventFlags & Dbg::kSingleStep) != 0) { 779761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes FindMatchingEvents(EK_SINGLE_STEP, &basket, matchList, &matchCount); 780761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes } 781761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes if ((eventFlags & Dbg::kMethodEntry) != 0) { 782761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes FindMatchingEvents(EK_METHOD_ENTRY, &basket, matchList, &matchCount); 783761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes } 784761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes if ((eventFlags & Dbg::kMethodExit) != 0) { 785761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes FindMatchingEvents(EK_METHOD_EXIT, &basket, matchList, &matchCount); 786761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes } 787761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes if (matchCount != 0) { 788761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes LOG(VERBOSE) << "EVENT: " << matchList[0]->eventKind << "(" << matchCount << " total) " 789761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes << basket.className << "." << Dbg::GetMethodName(pLoc->classId, pLoc->methodId) 790761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes << " thread=" << (void*) basket.threadId << " code=" << (void*) pLoc->idx << ")"; 791872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 792761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes suspendPolicy = scanSuspendPolicy(matchList, matchCount); 793761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes LOG(VERBOSE) << " suspendPolicy=" << suspendPolicy; 794872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 795761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes pReq = eventPrep(); 796761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes expandBufAdd1(pReq, suspendPolicy); 797761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes expandBufAdd4BE(pReq, matchCount); 798761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes 799761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes for (int i = 0; i < matchCount; i++) { 800761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes expandBufAdd1(pReq, matchList[i]->eventKind); 801761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes expandBufAdd4BE(pReq, matchList[i]->requestId); 802761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes expandBufAdd8BE(pReq, basket.threadId); 803761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes AddLocation(pReq, pLoc); 804761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes } 805872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 806872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 807761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes CleanupMatchList(matchList, matchCount); 808761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes } 809872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 810872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* send request and possibly suspend ourselves */ 811872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (pReq != NULL) { 812376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes int old_state = Dbg::ThreadWaiting(); 813872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (suspendPolicy != SP_NONE) { 814761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes SetWaitForEventThread(basket.threadId); 815872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 816872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 817761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes EventFinish(pReq); 818872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 819761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes SuspendByPolicy(suspendPolicy); 820376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes Dbg::ThreadContinuing(old_state); 821872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 822872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 823872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return matchCount != 0; 824872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 825872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 826872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 827872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * A thread is starting or stopping. 828872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 829872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Valid mods: 830872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Count, ThreadOnly 831872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 832234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughesbool JdwpState::PostThreadChange(ObjectId threadId, bool start) { 833872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes CHECK_EQ(threadId, Dbg::GetThreadSelfId()); 834872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 835872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* 836872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * I don't think this can happen. 837872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 838761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes if (InvokeInProgress()) { 839872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes LOG(WARNING) << "Not posting thread change during invoke"; 840872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return false; 841872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 842872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 843872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes ModBasket basket; 844872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes memset(&basket, 0, sizeof(basket)); 845872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes basket.threadId = threadId; 846872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 847872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes ExpandBuf* pReq = NULL; 848872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes JdwpSuspendPolicy suspendPolicy = SP_NONE; 849234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes int matchCount = 0; 850234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes { 851234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes // Don't allow the list to be updated while we scan it. 852234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes MutexLock mu(event_lock_); 853761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes JdwpEvent** matchList = AllocMatchList(numEvents); 854234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes 855234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes if (start) { 856761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes FindMatchingEvents(EK_THREAD_START, &basket, matchList, &matchCount); 857234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes } else { 858761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes FindMatchingEvents(EK_THREAD_DEATH, &basket, matchList, &matchCount); 859234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes } 860872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 861234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes if (matchCount != 0) { 862234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes LOG(VERBOSE) << "EVENT: " << matchList[0]->eventKind << "(" << matchCount << " total) " 863234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes << "thread=" << (void*) basket.threadId << ")"; 864872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 865234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes suspendPolicy = scanSuspendPolicy(matchList, matchCount); 866234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes LOG(VERBOSE) << " suspendPolicy=" << suspendPolicy; 867872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 868234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes pReq = eventPrep(); 869234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes expandBufAdd1(pReq, suspendPolicy); 870234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes expandBufAdd4BE(pReq, matchCount); 871234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes 872234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes for (int i = 0; i < matchCount; i++) { 873234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes expandBufAdd1(pReq, matchList[i]->eventKind); 874234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes expandBufAdd4BE(pReq, matchList[i]->requestId); 875234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes expandBufAdd8BE(pReq, basket.threadId); 876234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes } 877872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 878872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 879761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes CleanupMatchList(matchList, matchCount); 880234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes } 881872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 882872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* send request and possibly suspend ourselves */ 883872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (pReq != NULL) { 884376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes int old_state = Dbg::ThreadWaiting(); 885872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (suspendPolicy != SP_NONE) { 886234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes SetWaitForEventThread(basket.threadId); 887872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 888761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes EventFinish(pReq); 889872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 890761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes SuspendByPolicy(suspendPolicy); 891376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes Dbg::ThreadContinuing(old_state); 892872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 893872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 894872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return matchCount != 0; 895872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 896872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 897872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 898872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Send a polite "VM is dying" message to the debugger. 899872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 900872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Skips the usual "event token" stuff. 901872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 902376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughesbool JdwpState::PostVMDeath() { 903872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes LOG(VERBOSE) << "EVENT: " << EK_VM_DEATH; 904872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 905872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes ExpandBuf* pReq = eventPrep(); 906872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes expandBufAdd1(pReq, SP_NONE); 907872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes expandBufAdd4BE(pReq, 1); 908872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 909872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes expandBufAdd1(pReq, EK_VM_DEATH); 910872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes expandBufAdd4BE(pReq, 0); 911761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes EventFinish(pReq); 912872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return true; 913872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 914872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 915872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 916872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * An exception has been thrown. It may or may not have been caught. 917872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 918872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Valid mods: 919872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Count, ThreadOnly, ClassOnly, ClassMatch, ClassExclude, LocationOnly, 920872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * ExceptionOnly, InstanceOnly 921872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 922872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * The "exceptionId" has not been added to the GC-visible object registry, 923872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * because there's a pretty good chance that we're not going to send it 924872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * up the debugger. 925872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 926761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughesbool JdwpState::PostException(const JdwpLocation* pThrowLoc, 927872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes ObjectId exceptionId, RefTypeId exceptionClassId, 928872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes const JdwpLocation* pCatchLoc, ObjectId thisPtr) 929872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes{ 930872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes ModBasket basket; 931872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 932872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes memset(&basket, 0, sizeof(basket)); 933872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes basket.pLoc = pThrowLoc; 934872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes basket.classId = pThrowLoc->classId; 935872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes basket.threadId = Dbg::GetThreadSelfId(); 936a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes basket.className = dvmDescriptorToName(Dbg::GetClassDescriptor(basket.classId)); 937872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes basket.excepClassId = exceptionClassId; 938872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes basket.caught = (pCatchLoc->classId != 0); 939872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes basket.thisPtr = thisPtr; 940872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 941872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* don't try to post an exception caused by the debugger */ 942761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes if (InvokeInProgress()) { 943872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes LOG(VERBOSE) << "Not posting exception hit during invoke (" << basket.className << ")"; 944872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return false; 945872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 946872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 947761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes JdwpEvent** matchList = AllocMatchList(numEvents); 948872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes int matchCount = 0; 949872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes ExpandBuf* pReq = NULL; 950872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes JdwpSuspendPolicy suspendPolicy = SP_NONE; 951761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes { 952761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes MutexLock mu(event_lock_); 953761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes FindMatchingEvents(EK_EXCEPTION, &basket, matchList, &matchCount); 954761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes if (matchCount != 0) { 955761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes LOG(VERBOSE) << "EVENT: " << matchList[0]->eventKind << "(" << matchCount << " total)" 956761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes << " thread=" << (void*) basket.threadId 957761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes << " exceptId=" << (void*) exceptionId 958761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes << " caught=" << basket.caught << ")"; 959761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes LOG(VERBOSE) << StringPrintf(" throw: %d %llx %x %lld (%s.%s)", pThrowLoc->typeTag, 960761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes pThrowLoc->classId, pThrowLoc->methodId, pThrowLoc->idx, 961761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes Dbg::GetClassDescriptor(pThrowLoc->classId).c_str(), 962761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes Dbg::GetMethodName(pThrowLoc->classId, pThrowLoc->methodId)); 963761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes if (pCatchLoc->classId == 0) { 964761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes LOG(VERBOSE) << " catch: (not caught)"; 965761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes } else { 966761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes LOG(VERBOSE) << StringPrintf(" catch: %d %llx %x %lld (%s.%s)", pCatchLoc->typeTag, 967761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes pCatchLoc->classId, pCatchLoc->methodId, pCatchLoc->idx, 968761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes Dbg::GetClassDescriptor(pCatchLoc->classId).c_str(), 969761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes Dbg::GetMethodName(pCatchLoc->classId, pCatchLoc->methodId)); 970761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes } 971872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 972761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes suspendPolicy = scanSuspendPolicy(matchList, matchCount); 973761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes LOG(VERBOSE) << " suspendPolicy=" << suspendPolicy; 974872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 975761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes pReq = eventPrep(); 976761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes expandBufAdd1(pReq, suspendPolicy); 977761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes expandBufAdd4BE(pReq, matchCount); 978761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes 979761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes for (int i = 0; i < matchCount; i++) { 980761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes expandBufAdd1(pReq, matchList[i]->eventKind); 981761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes expandBufAdd4BE(pReq, matchList[i]->requestId); 982761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes expandBufAdd8BE(pReq, basket.threadId); 983872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 984761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes AddLocation(pReq, pThrowLoc); 985761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes expandBufAdd1(pReq, JT_OBJECT); 986761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes expandBufAdd8BE(pReq, exceptionId); 987761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes AddLocation(pReq, pCatchLoc); 988761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes } 989872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 990761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes /* don't let the GC discard it */ 991761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes Dbg::RegisterObjectId(exceptionId); 992872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 993872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 994761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes CleanupMatchList(matchList, matchCount); 995872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 996872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 997872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* send request and possibly suspend ourselves */ 998872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (pReq != NULL) { 999376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes int old_state = Dbg::ThreadWaiting(); 1000872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (suspendPolicy != SP_NONE) { 1001761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes SetWaitForEventThread(basket.threadId); 1002872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 1003872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1004761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes EventFinish(pReq); 1005872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1006761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes SuspendByPolicy(suspendPolicy); 1007376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes Dbg::ThreadContinuing(old_state); 1008872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 1009872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1010872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return matchCount != 0; 1011872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1012872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1013872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 1014872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Announce that a class has been loaded. 1015872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 1016872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Valid mods: 1017872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Count, ThreadOnly, ClassOnly, ClassMatch, ClassExclude 1018872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 1019761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughesbool JdwpState::PostClassPrepare(int tag, RefTypeId refTypeId, const char* signature, int status) { 1020872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes ModBasket basket; 1021872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1022872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes memset(&basket, 0, sizeof(basket)); 1023872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes basket.classId = refTypeId; 1024872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes basket.threadId = Dbg::GetThreadSelfId(); 1025a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes basket.className = dvmDescriptorToName(Dbg::GetClassDescriptor(basket.classId)); 1026872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1027872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* suppress class prep caused by debugger */ 1028761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes if (InvokeInProgress()) { 1029872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes LOG(VERBOSE) << "Not posting class prep caused by invoke (" << basket.className << ")"; 1030872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return false; 1031872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 1032872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1033761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes JdwpEvent** matchList = AllocMatchList(numEvents); 1034872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes int matchCount = 0; 1035872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes ExpandBuf* pReq = NULL; 1036872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes JdwpSuspendPolicy suspendPolicy = SP_NONE; 1037761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes { 1038761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes MutexLock mu(event_lock_); 1039761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes FindMatchingEvents(EK_CLASS_PREPARE, &basket, matchList, &matchCount); 1040761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes if (matchCount != 0) { 1041761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes LOG(VERBOSE) << "EVENT: " << matchList[0]->eventKind << "(" << matchCount << " total) " 1042761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes << "thread=" << (void*) basket.threadId << ")"; 1043872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1044761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes suspendPolicy = scanSuspendPolicy(matchList, matchCount); 1045761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes LOG(VERBOSE) << " suspendPolicy=" << suspendPolicy; 1046872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1047761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes if (basket.threadId == debugThreadId) { 1048761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes /* 1049761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes * JDWP says that, for a class prep in the debugger thread, we 1050761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes * should set threadId to null and if any threads were supposed 1051761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes * to be suspended then we suspend all other threads. 1052761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes */ 1053761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes LOG(VERBOSE) << " NOTE: class prepare in debugger thread!"; 1054761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes basket.threadId = 0; 1055761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes if (suspendPolicy == SP_EVENT_THREAD) { 1056761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes suspendPolicy = SP_ALL; 1057761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes } 1058872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 1059872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1060761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes pReq = eventPrep(); 1061761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes expandBufAdd1(pReq, suspendPolicy); 1062761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes expandBufAdd4BE(pReq, matchCount); 1063872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1064761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes for (int i = 0; i < matchCount; i++) { 1065761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes expandBufAdd1(pReq, matchList[i]->eventKind); 1066761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes expandBufAdd4BE(pReq, matchList[i]->requestId); 1067761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes expandBufAdd8BE(pReq, basket.threadId); 1068872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1069761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes expandBufAdd1(pReq, tag); 1070761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes expandBufAdd8BE(pReq, refTypeId); 1071761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes expandBufAddUtf8String(pReq, signature); 1072761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes expandBufAdd4BE(pReq, status); 1073761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes } 1074872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 1075761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes CleanupMatchList(matchList, matchCount); 1076872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 1077872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1078872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* send request and possibly suspend ourselves */ 1079872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (pReq != NULL) { 1080376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes int old_state = Dbg::ThreadWaiting(); 1081872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes if (suspendPolicy != SP_NONE) { 1082761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes SetWaitForEventThread(basket.threadId); 1083872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 1084761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes EventFinish(pReq); 1085872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1086761928d24e4e7ed7776b52243eaf9095ad35f448Elliott Hughes SuspendByPolicy(suspendPolicy); 1087376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes Dbg::ThreadContinuing(old_state); 1088872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 1089872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1090872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes return matchCount != 0; 1091872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1092872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1093872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 1094872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Send up a chunk of DDM data. 1095872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 1096872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * While this takes the form of a JDWP "event", it doesn't interact with 1097872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * other debugger traffic, and can't suspend the VM, so we skip all of 1098872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * the fun event token gymnastics. 1099872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 11008218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughesvoid JdwpState::DdmSendChunkV(uint32_t type, const iovec* iov, int iovcnt) { 1101872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes uint8_t header[kJDWPHeaderLen + 8]; 1102872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes size_t dataLen = 0; 1103872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1104872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes CHECK(iov != NULL); 1105872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes CHECK(iovcnt > 0 && iovcnt < 10); 1106872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1107872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* 1108872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * "Wrap" the contents of the iovec with a JDWP/DDMS header. We do 1109872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * this by creating a new copy of the vector with space for the header. 1110872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 1111872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes iovec wrapiov[iovcnt+1]; 1112872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes for (int i = 0; i < iovcnt; i++) { 1113872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes wrapiov[i+1].iov_base = iov[i].iov_base; 1114872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes wrapiov[i+1].iov_len = iov[i].iov_len; 1115872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes dataLen += iov[i].iov_len; 1116872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes } 1117872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1118872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* form the header (JDWP plus DDMS) */ 1119f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes Set4BE(header, sizeof(header) + dataLen); 1120f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes Set4BE(header+4, NextRequestSerial()); 1121f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes Set1(header+8, 0); /* flags */ 1122f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes Set1(header+9, kJDWPDdmCmdSet); 1123f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes Set1(header+10, kJDWPDdmCmd); 1124f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes Set4BE(header+11, type); 1125f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes Set4BE(header+15, dataLen); 1126872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1127872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes wrapiov[0].iov_base = header; 1128872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes wrapiov[0].iov_len = sizeof(header); 1129872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1130872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes /* 1131872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Make sure we're in VMWAIT in case the write blocks. 1132872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 1133376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes int old_state = Dbg::ThreadWaiting(); 1134376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes (*transport->sendBufferedRequest)(this, wrapiov, iovcnt + 1); 1135376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes Dbg::ThreadContinuing(old_state); 1136872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1137872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1138872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} // namespace JDWP 1139872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1140872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} // namespace art 1141