Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/debugger/Debugger.java @ 6848:8e47bac5643a
7054512: Compress class pointers after perm gen removal
Summary: support of compress class pointers in the compilers.
Reviewed-by: kvn, twisti
| author | roland |
|---|---|
| date | Tue, 09 Oct 2012 10:11:38 +0200 |
| parents | c18cbe5936b8 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2000, 2009, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.debugger; | |
| 26 | |
| 27 import java.util.*; | |
| 28 import sun.jvm.hotspot.debugger.cdbg.CDebugger; | |
| 29 | |
| 30 public interface Debugger extends SymbolLookup, ThreadAccess { | |
| 31 /** Indicates whether this underlying debugger can provide a list of | |
| 32 currently-running processes. */ | |
| 33 public boolean hasProcessList() throws DebuggerException; | |
| 34 | |
| 35 /** Provide a snapshot of the list of currently-running processes in | |
| 36 the form of a List of ProcessInfo objects. Must only be called | |
| 37 if hasProcessList(), above, returns true. */ | |
| 38 public List getProcessList() throws DebuggerException; | |
| 39 | |
| 40 /** If an error occurs during attachment (i.e., "no such process"), | |
| 41 the thrown DebuggerException will contain a description of the | |
| 42 error in its message string. */ | |
| 43 public void attach(int processID) throws DebuggerException; | |
| 44 | |
| 45 /** This attaches the debugger to the given coreFileName, which is | |
| 46 assumed to have been generated from the specified | |
| 47 executableName. If an error occurs during loading of the core | |
| 48 file (i.e., "no such file"), the thrown DebuggerException will | |
| 49 contain a description of the error in its message string. */ | |
| 50 public void attach(String executableName, String coreFileName) | |
| 51 throws DebuggerException; | |
| 52 | |
| 53 /** Detach from the remote process. Returns false if not currently | |
| 54 attached. */ | |
| 55 public boolean detach() throws DebuggerException; | |
| 56 | |
| 57 /** Parse an address from a hex string in the format "0xFFFFFFFF". | |
| 58 The length of the address (i.e., 32 or 64 bits) is platform | |
| 59 dependent. This method should ONLY be used by routines which | |
| 60 need to interact with the user and parse a string entered by | |
| 61 hand; for example, a graphical user interface. This routine | |
| 62 should NOT be used to subvert the current safety mechanisms in | |
| 63 the system which prevent arbitrary conversion from Address to | |
| 64 long and back. */ | |
| 65 public Address parseAddress(String addressString) | |
| 66 throws NumberFormatException, DebuggerException; | |
| 67 | |
| 68 /** Returns the 64-bit value of an Address. This method should ONLY | |
| 69 be used when implementing a debugger which needs to interface to | |
| 70 C and which needs a unique identifier for certain objects. */ | |
| 71 public long getAddressValue(Address addr) throws DebuggerException; | |
| 72 | |
| 73 /** Support for remote debugging. Get the name of the operating | |
| 74 system on which this debugger is running (to be able to properly | |
| 75 configure the local system). Typical return values are | |
| 76 "solaris", "linux", "win32"; see utilities/PlatformInfo.java. */ | |
| 77 public String getOS() throws DebuggerException; | |
| 78 | |
| 79 /** Support for remote debugging. Get the name of the CPU type on | |
| 80 which this debugger is running (to be able to properly configure | |
| 81 the local system). Typical return values are "sparc", "x86"; see | |
| 82 utilities/PlatformInfo.java. */ | |
| 83 public String getCPU() throws DebuggerException; | |
| 84 | |
| 85 /** Retrieve the machine description for the underlying hardware for | |
| 86 the cases in which we need to do, for example, machine-dependent | |
| 87 byte swapping */ | |
| 88 public MachineDescription getMachineDescription() throws DebuggerException; | |
| 89 | |
| 90 /** Find out whether this debugger has a console available on which | |
| 91 commands can be executed; see executeCommandOnConsole, below. | |
| 92 This is an interim routine designed to allow access to the | |
| 93 underlying dbx process on Solaris until we have disassembly, | |
| 94 etc. in the SA. */ | |
| 95 public boolean hasConsole() throws DebuggerException; | |
| 96 | |
| 97 /** If the underlying debugger has a console (as dbx does), this | |
| 98 provides access to it. Takes in a platform-dependent String, | |
| 99 executes it on the debugger's console, and returns any output as | |
| 100 a String. */ | |
| 101 public String consoleExecuteCommand(String cmd) throws DebuggerException; | |
| 102 | |
| 103 /** If the underlying debugger has a console, this returns the | |
| 104 debugger-specific prompt which should be displayed. */ | |
| 105 public String getConsolePrompt() throws DebuggerException; | |
| 106 | |
| 107 /** If this platform supports C/C++ debugging via the CDebugger | |
| 108 interface, returns a CDebugger object; otherwise returns | |
| 109 null. */ | |
| 110 public CDebugger getCDebugger() throws DebuggerException; | |
| 111 | |
| 112 /** the following methods are intended only for RemoteDebuggerClient */ | |
| 113 public long getJBooleanSize(); | |
| 114 public long getJByteSize(); | |
| 115 public long getJCharSize(); | |
| 116 public long getJDoubleSize(); | |
| 117 public long getJFloatSize(); | |
| 118 public long getJIntSize(); | |
| 119 public long getJLongSize(); | |
| 120 public long getJShortSize(); | |
|
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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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121 public long getHeapOopSize(); |
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122 public long getNarrowOopBase(); |
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123 public int getNarrowOopShift(); |
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124 public long getKlassPtrSize(); |
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125 public long getNarrowKlassBase(); |
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126 public int getNarrowKlassShift(); |
| 0 | 127 |
| 128 public ReadResult readBytesFromProcess(long address, long numBytes) | |
| 129 throws DebuggerException; | |
| 130 | |
| 131 public void writeBytesToProcess(long address, long numBytes, byte[] data) | |
| 132 throws UnmappedAddressException, DebuggerException; | |
| 133 } |