org.jikesrvm.compilers.common
Class ExceptionTable
java.lang.Object
org.jikesrvm.compilers.common.ExceptionTable
- Direct Known Subclasses:
- BaselineExceptionTable, OptExceptionTable
public abstract class ExceptionTable
- extends Object
Encoding of try ranges in the final machinecode and the
corresponding exception type and catch block start.
|
Field Summary |
protected static int |
CATCH_START
|
protected static int |
EX_TYPE
|
protected static int |
TRY_END
|
protected static int |
TRY_START
An eTable array encodes the exception tables using 4 ints for each |
|
Method Summary |
static int |
findCatchBlockForInstruction(int[] eTable,
Offset instructionOffset,
RVMType exceptionType)
Return the machine code offset for the catch block that will handle
the argument exceptionType,or -1 if no such catch block exists. |
static void |
printExceptionTable(int[] eTable)
Print an encoded exception table. |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
TRY_START
protected static final int TRY_START
- An eTable array encodes the exception tables using 4 ints for each
- See Also:
- Constant Field Values
TRY_END
protected static final int TRY_END
- See Also:
- Constant Field Values
CATCH_START
protected static final int CATCH_START
- See Also:
- Constant Field Values
EX_TYPE
protected static final int EX_TYPE
- See Also:
- Constant Field Values
ExceptionTable
public ExceptionTable()
findCatchBlockForInstruction
public static int findCatchBlockForInstruction(int[] eTable,
Offset instructionOffset,
RVMType exceptionType)
- Return the machine code offset for the catch block that will handle
the argument exceptionType,or -1 if no such catch block exists.
- Parameters:
eTable - the encoded exception table to searchinstructionOffset - the offset of the instruction after the PEI.exceptionType - the type of exception that was raised
- Returns:
- the machine code offset of the catch block.
printExceptionTable
public static void printExceptionTable(int[] eTable)
- Print an encoded exception table.
- Parameters:
eTable - the encoded exception table to print.