com.ibm.wala.ipa.callgraph
Class Entrypoint

java.lang.Object
  com.ibm.wala.ipa.callgraph.Entrypoint

All Implemented Interfaces:

BytecodeConstants

Direct Known Subclasses:

ArgumentTypeEntrypoint, DefaultEntrypoint

public abstract class Entrypoint
extends java.lang.Object
implements BytecodeConstants

A representation of an entrypoint in the call graph.

Field Summary

protected IMethod

method The method to be called

Fields inherited from interface com.ibm.wala.shrikeBT.BytecodeConstants

JBC_aaload, JBC_aastore, JBC_aconst_null, JBC_aload, JBC_aload_0, JBC_aload_1, JBC_aload_2, JBC_aload_3, JBC_anewarray, JBC_areturn, JBC_arraylength, JBC_astore, JBC_astore_0, JBC_astore_1, JBC_astore_2, JBC_astore_3, JBC_athrow, JBC_baload, JBC_bastore, JBC_bipush, JBC_caload, JBC_castore, JBC_checkcast, JBC_d2f, JBC_d2i, JBC_d2l, JBC_dadd, JBC_daload, JBC_dastore, JBC_dcmpg, JBC_dcmpl, JBC_dconst_0, JBC_dconst_1, JBC_ddiv, JBC_dload, JBC_dload_0, JBC_dload_1, JBC_dload_2, JBC_dload_3, JBC_dmul, JBC_dneg, JBC_drem, JBC_dreturn, JBC_dstore, JBC_dstore_0, JBC_dstore_1, JBC_dstore_2, JBC_dstore_3, JBC_dsub, JBC_dup, JBC_dup_x1, JBC_dup_x2, JBC_dup2, JBC_dup2_x1, JBC_dup2_x2, JBC_f2d, JBC_f2i, JBC_f2l, JBC_fadd, JBC_faload, JBC_fastore, JBC_fcmpg, JBC_fcmpl, JBC_fconst_0, JBC_fconst_1, JBC_fconst_2, JBC_fdiv, JBC_fload, JBC_fload_0, JBC_fload_1, JBC_fload_2, JBC_fload_3, JBC_fmul, JBC_fneg, JBC_frem, JBC_freturn, JBC_fstore, JBC_fstore_0, JBC_fstore_1, JBC_fstore_2, JBC_fstore_3, JBC_fsub, JBC_getfield, JBC_getstatic, JBC_goto, JBC_goto_w, JBC_i2d, JBC_i2f, JBC_i2l, JBC_iadd, JBC_iaload, JBC_iand, JBC_iastore, JBC_iconst_0, JBC_iconst_1, JBC_iconst_2, JBC_iconst_3, JBC_iconst_4, JBC_iconst_5, JBC_iconst_m1, JBC_idiv, JBC_if_acmpeq, JBC_if_acmpne, JBC_if_icmpeq, JBC_if_icmpge, JBC_if_icmpgt, JBC_if_icmple, JBC_if_icmplt, JBC_if_icmpne, JBC_ifeq, JBC_ifge, JBC_ifgt, JBC_ifle, JBC_iflt, JBC_ifne, JBC_ifnonnull, JBC_ifnull, JBC_iinc, JBC_iload, JBC_iload_0, JBC_iload_1, JBC_iload_2, JBC_iload_3, JBC_impdep1, JBC_impdep2, JBC_imul, JBC_ineg, JBC_instanceof, JBC_int2byte, JBC_int2char, JBC_int2short, JBC_invokeinterface, JBC_invokespecial, JBC_invokestatic, JBC_invokevirtual, JBC_ior, JBC_irem, JBC_ireturn, JBC_ishl, JBC_ishr, JBC_istore, JBC_istore_0, JBC_istore_1, JBC_istore_2, JBC_istore_3, JBC_isub, JBC_iushr, JBC_ixor, JBC_jsr, JBC_jsr_w, JBC_l2d, JBC_l2f, JBC_l2i, JBC_ladd, JBC_laload, JBC_land, JBC_lastore, JBC_lcmp, JBC_lconst_0, JBC_lconst_1, JBC_ldc, JBC_ldc_w, JBC_ldc2_w, JBC_ldiv, JBC_length, JBC_lload, JBC_lload_0, JBC_lload_1, JBC_lload_2, JBC_lload_3, JBC_lmul, JBC_lneg, JBC_lookupswitch, JBC_lor, JBC_lrem, JBC_lreturn, JBC_lshl, JBC_lshr, JBC_lstore, JBC_lstore_0, JBC_lstore_1, JBC_lstore_2, JBC_lstore_3, JBC_lsub, JBC_lushr, JBC_lxor, JBC_monitorenter, JBC_monitorexit, JBC_multianewarray, JBC_name, JBC_new, JBC_newarray, JBC_nop, JBC_pop, JBC_pop2, JBC_putfield, JBC_putstatic, JBC_ret, JBC_return, JBC_saload, JBC_sastore, JBC_sipush, JBC_swap, JBC_tableswitch, JBC_wide, JBC_xxxunusedxxx

Constructor Summary

protected	Entrypoint(IMethod method)
protected	Entrypoint(MethodReference method, IClassHierarchy cha)

Method Summary

SSAAbstractInvokeInstruction	addCall(AbstractRootMethod m) Add a call to this entrypoint from the fake root method
boolean	equals(java.lang.Object obj)
IMethod	getMethod()
abstract int	getNumberOfParameters()
abstract TypeReference[]	getParameterTypes(int i)
int	hashCode()
protected int	makeArgument(AbstractRootMethod m, int i) Add allocation statements to the fake root method for each possible value of parameter i.
CallSiteReference	makeSite(int programCounter) Create a call site reference representing a call to this entrypoint
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

method

protected final IMethod method

The method to be called

Constructor Detail

Entrypoint

protected Entrypoint(IMethod method)

Parameters:

method - the method to be called for this entrypoint

Entrypoint

protected Entrypoint(MethodReference method,
                     IClassHierarchy cha)

Method Detail

makeSite

public CallSiteReference makeSite(int programCounter)

Create a call site reference representing a call to this entrypoint

Parameters:

programCounter - the bytecode index of the synthesize call

Returns:

the call site reference, or null if failed to find entrypoint

makeArgument

protected int makeArgument(AbstractRootMethod m,
                           int i)

Add allocation statements to the fake root method for each possible value of parameter i. If necessary, add a phi to combine the values.

Returns:

value number holding the parameter to the call; -1 if there was some error

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

addCall

public SSAAbstractInvokeInstruction addCall(AbstractRootMethod m)

Add a call to this entrypoint from the fake root method

Parameters:

m - the Fake Root Method

Returns:

the call instruction added, or null if the operation fails

getMethod

public IMethod getMethod()

Returns:

the method this call invokes

getParameterTypes

public abstract TypeReference[] getParameterTypes(int i)

Returns:

types to allocate for parameter i; for non-static methods, parameter 0 is "this"

getNumberOfParameters

public abstract int getNumberOfParameters()

Returns:

number of parameters to this call, including "this" for non-statics

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object