[SCM] master: Replace Task.getSyscallEventInfo() with .getSyscallTable().
cagney@sourceware.org
cagney@sourceware.org
Fri Dec 28 01:31:00 GMT 2007
The branch, master has been updated
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via 372d1faf476e5dcdd31d26bccf8f0cdb8d628aea (commit)
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via bd7f62167671d79f56e675342f0e90b99bfbfc2b (commit)
via 4c882a67462277b14fc0f018b9eb9145444ee345 (commit)
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- Log -----------------------------------------------------------------
commit e68f1caacd4cd7353ae700ca964e3127f6512975
Author: Andrew Cagney <cagney@redhat.com>
Date: Thu Dec 27 20:29:00 2007 -0500
Replace Task.getSyscallEventInfo() with .getSyscallTable().
frysk-core/frysk/ftrace/ChangeLog
2007-12-27 Andrew Cagney <cagney@redhat.com>
* Ftrace.java: Update; use Task.getSyscallTable().
* MappingGuard.java: Ditto.
frysk-core/frysk/proc/ChangeLog
2007-12-27 Andrew Cagney <cagney@redhat.com>
* Task.java (getSyscallTable()): New.
(getSyscallEventInfo()): Delete.
* TestTaskSyscallObserver.java: Update.
* TestSyscallRunning.java: Update.
* TestSyscallSignal.java: Update.
frysk-gui/frysk/gui/monitor/ChangeLog
2007-12-27 Andrew Cagney <cagney@redhat.com>
* observers/SysCallUtilyInfo.java: Update; use
Task.getSyscallTable().
commit 372d1faf476e5dcdd31d26bccf8f0cdb8d628aea
Author: Andrew Cagney <cagney@redhat.com>
Date: Thu Dec 27 19:03:22 2007 -0500
Rename SyscallTable.syscallByName(String) to getSyscall(String).
frysk-core/frysk/proc/ChangeLog
2007-12-27 Andrew Cagney <cagney@redhat.com>
* SyscallTable.java (getSyscall(String)): Rename
syscallByName(String).
* TestTaskSyscallObserver.java: Update.
* TestSyscallsWithAudit.java: Update.
* TestSyscallSignal.java: Update.
* TestSyscallRunning.java: Update.
* LinuxPPC32Syscall.java: Update.
* LinuxIa32Syscall.java: Update.
* LinuxPPC64Syscall.java: Update.
* LinuxX8664Syscall.java: Update.
commit 31925084aeeb004fc3626aaea599cd6b91e9c11b
Author: Andrew Cagney <cagney@redhat.com>
Date: Thu Dec 27 18:50:36 2007 -0500
Add SyscallTable.getSyscall(Task).
frysk-core/frysk/proc/ChangeLog
2007-12-27 Andrew Cagney <cagney@redhat.com>
* SyscallTable.java (getSyscall(Task)): Declare.
(getSyscall(long)): New.
(unknownSyscall(long)): Replace unknownSyscall(int).
* LinuxX8664Syscall.java (getSyscall(Task)): New.
* LinuxPPC32Syscall.java (getSyscall(Task)): New.
* LinuxIa32Syscall.java (getSyscall(Task)): New.
* LinuxPPC64Syscall.java (getSyscall(Task)): New.
commit bd7f62167671d79f56e675342f0e90b99bfbfc2b
Author: Andrew Cagney <cagney@redhat.com>
Date: Thu Dec 27 18:10:55 2007 -0500
Delete SyscallEventDecoder.
frysk-core/frysk/proc/ChangeLog
2007-12-27 Andrew Cagney <cagney@redhat.com>
* Isa.java (getSyscallEventInfo()): Declare.
* SyscallEventDecoder.java: Delete.
* Task.java (getSyscallEventInfo): Update.
* LinuxIa32.java: Do not implement SyscallEventDecoder.
* LinuxPPC64.java: Ditto.
* LinuxPPC32.java: Ditto.
* LinuxX8664.java: Ditto.
commit 4c882a67462277b14fc0f018b9eb9145444ee345
Author: Andrew Cagney <cagney@redhat.com>
Date: Thu Dec 27 18:02:15 2007 -0500
Replace getUnknownSyscalls() with unknownSyscall(int).
frysk-core/frysk/proc/ChangeLog
2007-12-27 Andrew Cagney <cagney@redhat.com>
* SyscallTable.java (getUnknownSyscalls()): Delete.
(unknownSyscall(int)): New.
* LinuxIa32Syscall.java (getUnknownSyscalls()): Delete.
* LinuxPPC32Syscall.java: Ditto.
* LinuxX8664Syscall.java: Ditto.
* Syscall.java: Update.
-----------------------------------------------------------------------
Summary of changes:
frysk-core/frysk/ftrace/ChangeLog | 5 ++
frysk-core/frysk/ftrace/Ftrace.java | 2 +-
frysk-core/frysk/ftrace/MappingGuard.java | 6 +-
frysk-core/frysk/proc/ChangeLog | 40 +++++++++++++++++
frysk-core/frysk/proc/Isa.java | 2 +
frysk-core/frysk/proc/LinuxIa32.java | 2 +-
frysk-core/frysk/proc/LinuxIa32Syscall.java | 32 ++++++++++----
frysk-core/frysk/proc/LinuxPPC32.java | 2 +-
frysk-core/frysk/proc/LinuxPPC32Syscall.java | 26 +++++++----
frysk-core/frysk/proc/LinuxPPC64.java | 3 +-
frysk-core/frysk/proc/LinuxPPC64Syscall.java | 26 +++++++----
frysk-core/frysk/proc/LinuxX8664.java | 2 +-
frysk-core/frysk/proc/LinuxX8664Syscall.java | 15 +++----
frysk-core/frysk/proc/Syscall.java | 27 +-----------
frysk-core/frysk/proc/SyscallEventDecoder.java | 45 --------------------
frysk-core/frysk/proc/SyscallTable.java | 43 ++++++++++++++++++-
frysk-core/frysk/proc/Task.java | 10 +++--
frysk-core/frysk/proc/TestSyscallRunning.java | 10 ++--
frysk-core/frysk/proc/TestSyscallSignal.java | 16 ++++----
frysk-core/frysk/proc/TestSyscallsWithAudit.java | 2 +-
frysk-core/frysk/proc/TestTaskSyscallObserver.java | 26 ++++++------
frysk-gui/frysk/gui/monitor/ChangeLog | 5 ++
.../gui/monitor/observers/SysCallUtilyInfo.java | 20 ++++----
23 files changed, 208 insertions(+), 159 deletions(-)
delete mode 100644 frysk-core/frysk/proc/SyscallEventDecoder.java
First 500 lines of diff:
diff --git a/frysk-core/frysk/ftrace/ChangeLog b/frysk-core/frysk/ftrace/ChangeLog
index c39f510..a27caee 100644
--- a/frysk-core/frysk/ftrace/ChangeLog
+++ b/frysk-core/frysk/ftrace/ChangeLog
@@ -1,3 +1,8 @@
+2007-12-27 Andrew Cagney <cagney@redhat.com>
+
+ * Ftrace.java: Update; use Task.getSyscallTable().
+ * MappingGuard.java: Ditto.
+
2007-12-21 Andrew Cagney <cagney@redhat.com>
* Ftrace.java: Use Syscall.isNoReturn().
diff --git a/frysk-core/frysk/ftrace/Ftrace.java b/frysk-core/frysk/ftrace/Ftrace.java
index fee19da..943f497 100644
--- a/frysk-core/frysk/ftrace/Ftrace.java
+++ b/frysk-core/frysk/ftrace/Ftrace.java
@@ -434,7 +434,7 @@ public class Ftrace
public Action updateSyscallEnter(Task task)
{
frysk.proc.Syscall syscall
- = task.getSyscallEventInfo().getSyscall(task);
+ = task.getSyscallTable().getSyscall(task);
String name = syscall.getName();
if (syscall.isNoReturn())
reporter.eventSingle(task, "syscall " + name,
diff --git a/frysk-core/frysk/ftrace/MappingGuard.java b/frysk-core/frysk/ftrace/MappingGuard.java
index 8236237..adc5516 100644
--- a/frysk-core/frysk/ftrace/MappingGuard.java
+++ b/frysk-core/frysk/ftrace/MappingGuard.java
@@ -289,9 +289,9 @@ class MappingGuard
task.requestAddSyscallObserver(this);
}
- public Action updateSyscallEnter (Task task)
- {
- frysk.proc.Syscall syscall = task.getSyscallEventInfo().getSyscall(task);
+ public Action updateSyscallEnter(Task task) {
+ frysk.proc.Syscall syscall
+ = task.getSyscallTable().getSyscall(task);
syscallCache = syscall;
return Action.CONTINUE;
}
diff --git a/frysk-core/frysk/proc/ChangeLog b/frysk-core/frysk/proc/ChangeLog
index c877298..f77d4f8 100644
--- a/frysk-core/frysk/proc/ChangeLog
+++ b/frysk-core/frysk/proc/ChangeLog
@@ -1,5 +1,45 @@
2007-12-27 Andrew Cagney <cagney@redhat.com>
+ * Task.java (getSyscallTable()): New.
+ (getSyscallEventInfo()): Delete.
+ * TestTaskSyscallObserver.java: Update.
+ * TestSyscallRunning.java: Update.
+ * TestSyscallSignal.java: Update.
+
+ * SyscallTable.java (getSyscall(String)): Rename
+ syscallByName(String).
+ * TestTaskSyscallObserver.java: Update.
+ * TestSyscallsWithAudit.java: Update.
+ * TestSyscallSignal.java: Update.
+ * TestSyscallRunning.java: Update.
+ * LinuxPPC32Syscall.java: Update.
+ * LinuxIa32Syscall.java: Update.
+ * LinuxPPC64Syscall.java: Update.
+ * LinuxX8664Syscall.java: Update.
+
+ * SyscallTable.java (getSyscall(Task)): Declare.
+ (getSyscall(long)): New.
+ (unknownSyscall(long)): Replace unknownSyscall(int).
+ * LinuxX8664Syscall.java (getSyscall(Task)): New.
+ * LinuxPPC32Syscall.java (getSyscall(Task)): New.
+ * LinuxIa32Syscall.java (getSyscall(Task)): New.
+ * LinuxPPC64Syscall.java (getSyscall(Task)): New.
+
+ * Isa.java (getSyscallEventInfo()): Declare.
+ * SyscallEventDecoder.java: Delete.
+ * Task.java (getSyscallEventInfo): Update.
+ * LinuxIa32.java: Do not implement SyscallEventDecoder.
+ * LinuxPPC64.java: Ditto.
+ * LinuxPPC32.java: Ditto.
+ * LinuxX8664.java: Ditto.
+
+ * SyscallTable.java (getUnknownSyscalls()): Delete.
+ (unknownSyscall(int)): New.
+ * LinuxIa32Syscall.java (getUnknownSyscalls()): Delete.
+ * LinuxPPC32Syscall.java: Ditto.
+ * LinuxX8664Syscall.java: Ditto.
+ * Syscall.java: Update.
+
* Syscall.java (INVALID): New.
* SyscallEventInfo.java (number(Task)): Delete.
(ENTER, EXIT, UNKNOWN): Delete.
diff --git a/frysk-core/frysk/proc/Isa.java b/frysk-core/frysk/proc/Isa.java
index 814a4bf..a22f9f9 100644
--- a/frysk-core/frysk/proc/Isa.java
+++ b/frysk-core/frysk/proc/Isa.java
@@ -117,4 +117,6 @@ public interface Isa
* the sig return system call.
*/
boolean isAtSyscallSigReturn(Task task);
+
+ SyscallEventInfo getSyscallEventInfo ();
}
diff --git a/frysk-core/frysk/proc/LinuxIa32.java b/frysk-core/frysk/proc/LinuxIa32.java
index 695b3db..c069c10 100644
--- a/frysk-core/frysk/proc/LinuxIa32.java
+++ b/frysk-core/frysk/proc/LinuxIa32.java
@@ -44,7 +44,7 @@ import inua.eio.ByteBuffer;
import java.util.List;
import java.util.LinkedList;
-class LinuxIa32 implements SyscallEventDecoder, Isa {
+class LinuxIa32 implements Isa {
private static final Instruction IA32Breakpoint
= new Instruction(new byte[] { (byte)0xcc }, false);
diff --git a/frysk-core/frysk/proc/LinuxIa32Syscall.java b/frysk-core/frysk/proc/LinuxIa32Syscall.java
index 121eb00..b0087e3 100644
--- a/frysk-core/frysk/proc/LinuxIa32Syscall.java
+++ b/frysk-core/frysk/proc/LinuxIa32Syscall.java
@@ -39,20 +39,12 @@
package frysk.proc;
-import java.util.HashMap;
import frysk.isa.IA32Registers;
public class LinuxIa32Syscall extends SyscallTable {
static final int SOCKET_NUM = 102;
static final int IPC_NUM = 117;
- // This is used to keep track of syscalls whose number we do not
- // know.
- static HashMap unknownSyscalls = new HashMap();
- public HashMap getUnknownSyscalls() {
- return unknownSyscalls;
- }
-
static class Ia32Syscall extends Syscall {
Ia32Syscall(String name, int number, int numArgs,
String argList, boolean noreturn) {
@@ -538,7 +530,29 @@ public class LinuxIa32Syscall extends SyscallTable {
}
}
- public Syscall syscallByName(String name) {
+ public Syscall getSyscall(Task task) {
+ long number = task.getRegister(IA32Registers.ORIG_EAX);
+ if (number != SOCKET_NUM && number != IPC_NUM)
+ return getSyscall(number);
+ else {
+ /** sub syscall number is in %ebx. */
+ int subSyscallNumber = (int) task.getRegister(IA32Registers.EBX);
+
+ if (number == SOCKET_NUM) {
+ if (subSyscallNumber < socketSubcallList.length)
+ return socketSubcallList[subSyscallNumber];
+ else
+ return unknownSocketSubSyscall;
+ } else {
+ if (subSyscallNumber < ipcSubcallList.length)
+ return ipcSubcallList[subSyscallNumber];
+ else
+ return unknownIpcSubSyscall;
+ }
+ }
+ }
+
+ public Syscall getSyscall(String name) {
Syscall syscall;
syscall = iterateSyscallByName(name, LinuxIa32Syscall.syscallList);
if (syscall != null)
diff --git a/frysk-core/frysk/proc/LinuxPPC32.java b/frysk-core/frysk/proc/LinuxPPC32.java
index 83f6836..212c8e7 100644
--- a/frysk-core/frysk/proc/LinuxPPC32.java
+++ b/frysk-core/frysk/proc/LinuxPPC32.java
@@ -45,7 +45,7 @@ import java.util.logging.Level;
import java.util.logging.Logger;
import frysk.isa.PPC32Registers;
-class LinuxPPC32 extends IsaPowerPC implements SyscallEventDecoder {
+class LinuxPPC32 extends IsaPowerPC {
LinuxPPC32() {
//In Power32 the PC will be in Link Register
diff --git a/frysk-core/frysk/proc/LinuxPPC32Syscall.java b/frysk-core/frysk/proc/LinuxPPC32Syscall.java
index c467326..81610eb 100644
--- a/frysk-core/frysk/proc/LinuxPPC32Syscall.java
+++ b/frysk-core/frysk/proc/LinuxPPC32Syscall.java
@@ -40,7 +40,6 @@
package frysk.proc;
-import java.util.HashMap;
import frysk.isa.PPC32Registers;
/**
@@ -53,13 +52,6 @@ public class LinuxPPC32Syscall extends SyscallTable {
private static final int SOCKET_NUM = 102;
private static final int IPC_NUM = 117;
- // This is used to keep track of syscalls whose number we do not
- // know.
- static final HashMap unknownSyscalls = new HashMap();
- public HashMap getUnknownSyscalls() {
- return unknownSyscalls;
- }
-
static private class PowerPCSyscall extends Syscall {
PowerPCSyscall(String name, int number, int numArgs,
String argList, boolean noreturn) {
@@ -526,7 +518,7 @@ public class LinuxPPC32Syscall extends SyscallTable {
}
}
- public Syscall syscallByName(String name) {
+ public Syscall getSyscall(String name) {
Syscall syscall;
syscall = iterateSyscallByName(name, LinuxPPC32Syscall.syscallList);
if (syscall != null)
@@ -540,4 +532,20 @@ public class LinuxPPC32Syscall extends SyscallTable {
return null;
}
+ public Syscall getSyscall(Task task) {
+ long number = task.getRegister(PPC32Registers.GPR0);
+ if (number != SOCKET_NUM && number != IPC_NUM)
+ return getSyscall(number);
+ else {
+ /** sub syscall number is in . */
+ int subSyscallNumber = 0;
+ subSyscallNumber = (int) task.getRegister(PPC32Registers.ORIGR3);
+ if (number == SOCKET_NUM) {
+ return socketSubcallList[subSyscallNumber];
+ } else {
+ return ipcSubcallList[subSyscallNumber];
+ }
+ }
+ }
+
}
diff --git a/frysk-core/frysk/proc/LinuxPPC64.java b/frysk-core/frysk/proc/LinuxPPC64.java
index e793660..f082ea6 100644
--- a/frysk-core/frysk/proc/LinuxPPC64.java
+++ b/frysk-core/frysk/proc/LinuxPPC64.java
@@ -44,8 +44,7 @@ import java.util.logging.Level;
import java.util.logging.Logger;
import frysk.isa.PPC64Registers;
-class LinuxPPC64 extends IsaPowerPC implements SyscallEventDecoder
-{
+class LinuxPPC64 extends IsaPowerPC {
LinuxPPC64() {
super(PPC64Registers.NIP);
}
diff --git a/frysk-core/frysk/proc/LinuxPPC64Syscall.java b/frysk-core/frysk/proc/LinuxPPC64Syscall.java
index f9507c1..76072c8 100644
--- a/frysk-core/frysk/proc/LinuxPPC64Syscall.java
+++ b/frysk-core/frysk/proc/LinuxPPC64Syscall.java
@@ -40,7 +40,6 @@
package frysk.proc;
-import java.util.HashMap;
import frysk.isa.PPC64Registers;
/**
@@ -53,13 +52,6 @@ public class LinuxPPC64Syscall extends SyscallTable {
private static final int SOCKET_NUM = 102;
private static final int IPC_NUM = 117;
- // This is used to keep track of syscalls whose number we do not
- // know.
- static final HashMap unknownSyscalls = new HashMap();
- public HashMap getUnknownSyscalls() {
- return unknownSyscalls;
- }
-
static private class PowerPCSyscall
extends Syscall
{
@@ -532,7 +524,7 @@ public class LinuxPPC64Syscall extends SyscallTable {
}
}
- public Syscall syscallByName(String name) {
+ public Syscall getSyscall(String name) {
Syscall syscall;
syscall = iterateSyscallByName(name, LinuxPPC64Syscall.syscallList);
if (syscall != null)
@@ -546,4 +538,20 @@ public class LinuxPPC64Syscall extends SyscallTable {
return null;
}
+ public Syscall getSyscall(Task task) {
+ long number = task.getRegister(PPC64Registers.GPR0);
+ if (number != SOCKET_NUM && number != IPC_NUM)
+ return getSyscall(number);
+ else {
+ /** sub syscall number is in . */
+ int subSyscallNumber = 0;
+ subSyscallNumber = (int) task.getRegister(PPC64Registers.ORIGR3);
+ if (number == SOCKET_NUM) {
+ return socketSubcallList[subSyscallNumber];
+ } else {
+ return ipcSubcallList[subSyscallNumber];
+ }
+ }
+ }
+
}
diff --git a/frysk-core/frysk/proc/LinuxX8664.java b/frysk-core/frysk/proc/LinuxX8664.java
index 7bd8ff8..8ab5030 100644
--- a/frysk-core/frysk/proc/LinuxX8664.java
+++ b/frysk-core/frysk/proc/LinuxX8664.java
@@ -45,7 +45,7 @@ import java.util.List;
import inua.eio.ByteBuffer;
import frysk.isa.X8664Registers;
-class LinuxX8664 implements SyscallEventDecoder, Isa {
+class LinuxX8664 implements Isa {
private static final Instruction X8664Breakpoint
= new Instruction(new byte[] { (byte)0xcc }, false);
diff --git a/frysk-core/frysk/proc/LinuxX8664Syscall.java b/frysk-core/frysk/proc/LinuxX8664Syscall.java
index 3f8e825..17039d0 100644
--- a/frysk-core/frysk/proc/LinuxX8664Syscall.java
+++ b/frysk-core/frysk/proc/LinuxX8664Syscall.java
@@ -39,18 +39,10 @@
package frysk.proc;
-import java.util.HashMap;
import frysk.isa.X8664Registers;
public class LinuxX8664Syscall extends SyscallTable {
- // This is used to keep track of syscalls whose number we do not
- // know.
- static HashMap unknownSyscalls = new HashMap();
- public HashMap getUnknownSyscalls() {
- return unknownSyscalls;
- }
-
static class X8664Syscall extends Syscall {
X8664Syscall(String name, int number, int numArgs,
String argList, boolean noreturn) {
@@ -388,7 +380,12 @@ public class LinuxX8664Syscall extends SyscallTable {
return Syscall.syscallByNum(number, task);
}
- public Syscall syscallByName (String name) {
+ public Syscall getSyscall(String name) {
return iterateSyscallByName(name, LinuxX8664Syscall.syscallList);
}
+
+ public Syscall getSyscall(Task task) {
+ long number = task.getRegister(X8664Registers.ORIG_RAX);
+ return getSyscall(number);
+ }
}
diff --git a/frysk-core/frysk/proc/Syscall.java b/frysk-core/frysk/proc/Syscall.java
index ac012da..902e721 100644
--- a/frysk-core/frysk/proc/Syscall.java
+++ b/frysk-core/frysk/proc/Syscall.java
@@ -40,7 +40,6 @@
package frysk.proc;
import inua.util.PrintWriter;
-import java.util.HashMap;
/**
* A class that holds static information about a system call. It is
@@ -258,39 +257,15 @@ public abstract class Syscall {
*/
public static Syscall syscallByNum(int num, Task task) {
Syscall[] syscallList;
- HashMap unknownSyscalls;
SyscallTable syscallTable
= SyscallTableFactory.getSyscallTable(task.getISA());
syscallList = syscallTable.getSyscallList();
- unknownSyscalls = syscallTable.getUnknownSyscalls();
if (num < 0) {
return INVALID;
} else if (num >= syscallList.length) {
- synchronized (unknownSyscalls) {
- Integer key = new Integer(num);
- if (unknownSyscalls.containsKey(key))
- return (Syscall) unknownSyscalls.get(key);
-
- class UnknownSyscall extends Syscall {
- UnknownSyscall (String name, int number) {
- super (name, number);
- }
-
- public long getArguments (Task task, int n) {
- return 0;
- }
- public long getReturnCode (Task task) {
- return 0;
- }
- }
- Syscall result = new UnknownSyscall("UNKNOWN SYSCALL " + num, num);
-
- unknownSyscalls.put(key, result);
-
- return result;
- }
+ return syscallTable.unknownSyscall(num);
} else {
return syscallList[num];
}
diff --git a/frysk-core/frysk/proc/SyscallEventDecoder.java b/frysk-core/frysk/proc/SyscallEventDecoder.java
deleted file mode 100644
index 0edfad8..0000000
--- a/frysk-core/frysk/proc/SyscallEventDecoder.java
+++ /dev/null
@@ -1,45 +0,0 @@
-// This file is part of the program FRYSK.
-//
-// Copyright 2006, Red Hat Inc.
-//
-// FRYSK is free software; you can redistribute it and/or modify it
-// under the terms of the GNU General Public License as published by
-// the Free Software Foundation; version 2 of the License.
-//
-// FRYSK is distributed in the hope that it will be useful, but
-// WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with FRYSK; if not, write to the Free Software Foundation,
-// Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
-//
-// In addition, as a special exception, Red Hat, Inc. gives You the
-// additional right to link the code of FRYSK with code not covered
-// under the GNU General Public License ("Non-GPL Code") and to
-// distribute linked combinations including the two, subject to the
-// limitations in this paragraph. Non-GPL Code permitted under this
-// exception must only link to the code of FRYSK through those well
-// defined interfaces identified in the file named EXCEPTION found in
-// the source code files (the "Approved Interfaces"). The files of
-// Non-GPL Code may instantiate templates or use macros or inline
-// functions from the Approved Interfaces without causing the
-// resulting work to be covered by the GNU General Public
-// License. Only Red Hat, Inc. may make changes or additions to the
-// list of Approved Interfaces. You must obey the GNU General Public
-// License in all respects for all of the FRYSK code and other code
-// used in conjunction with FRYSK except the Non-GPL Code covered by
-// this exception. If you modify this file, you may extend this
-// exception to your version of the file, but you are not obligated to
-// do so. If you do not wish to provide this exception without
-// modification, you must delete this exception statement from your
-// version and license this file solely under the GPL without
-// exception.
-
-package frysk.proc;
-
-interface SyscallEventDecoder
-{
- SyscallEventInfo getSyscallEventInfo ();
-}
diff --git a/frysk-core/frysk/proc/SyscallTable.java b/frysk-core/frysk/proc/SyscallTable.java
index 245fb42..51c70a3 100644
--- a/frysk-core/frysk/proc/SyscallTable.java
+++ b/frysk-core/frysk/proc/SyscallTable.java
@@ -55,13 +55,31 @@ public abstract class SyscallTable {
/**
* @return HashMap return a HashMap for unknown system calls.
*/
- public abstract HashMap getUnknownSyscalls ();
+ public Syscall unknownSyscall(long num) {
+ synchronized (unknownSyscalls) {
+ Long key = new Long(num);
+ Syscall syscall = (Syscall)unknownSyscalls.get(key);
+ if (syscall == null) {
+ syscall = new Syscall("UNKNOWN SYSCALL " + num, (int)num) {
+ public long getArguments (Task task, int n) {
+ return 0;
+ }
+ public long getReturnCode (Task task) {
+ return 0;
+ }
+ };
+ unknownSyscalls.put(key, syscall);
+ }
+ return syscall;
+ }
+ }
+ private HashMap unknownSyscalls = new HashMap();
/**
* @return Syscall return system call object if the name could be
* found in syscallList, otherwise return null.
*/
- public abstract Syscall syscallByName (String Name);
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