Package ghidra.pcode.emu.jit.analysis

Interface JitAllocationModel.OneLocalVarHandler

All Superinterfaces:

JitAllocationModel.VarHandler

All Known Implementing Classes:

JitAllocationModel.DoubleVarAlloc, JitAllocationModel.FloatVarAlloc, JitAllocationModel.IntVarAlloc, JitAllocationModel.LongVarAlloc

Enclosing class:

JitAllocationModel

public static interface JitAllocationModel.OneLocalVarHandler
extends JitAllocationModel.VarHandler

A handler for p-code variables composed of a single JVM local variable.

Method Summary

Modifier and Type	Method	Description
default void	generateDeclCode(JitCodeGenerator gen, org.objectweb.asm.Label start, org.objectweb.asm.Label end, org.objectweb.asm.MethodVisitor rv)	If needed, emit bytecode at the top of the run method.
default void	generateInitCode(JitCodeGenerator gen, org.objectweb.asm.MethodVisitor iv)	Emit bytecode into the class constructor.
default void	generateLoadCode(JitCodeGenerator gen, JitType type, org.objectweb.asm.MethodVisitor rv)	Emit bytecode to load the varnode's value onto the JVM stack.
default void	generateStoreCode(JitCodeGenerator gen, JitType type, org.objectweb.asm.MethodVisitor rv)	Emit bytecode to load the varnode's value onto the JVM stack.
JitAllocationModel.JvmLocal	local()	Get the local variable into which this p-code variable is allocated

Methods inherited from interface ghidra.pcode.emu.jit.analysis.JitAllocationModel.VarHandler

type

Method Details

local

JitAllocationModel.JvmLocal local()

Get the local variable into which this p-code variable is allocated

Returns:

the local

generateInitCode

default void generateInitCode(JitCodeGenerator gen,
 org.objectweb.asm.MethodVisitor iv)

Description copied from interface: JitAllocationModel.VarHandler

Emit bytecode into the class constructor.

Specified by:

generateInitCode in interface JitAllocationModel.VarHandler

Parameters:

gen - the code generator

iv - the visitor for the class constructor

generateDeclCode

default void generateDeclCode(JitCodeGenerator gen,
 org.objectweb.asm.Label start,
 org.objectweb.asm.Label end,
 org.objectweb.asm.MethodVisitor rv)

Description copied from interface: JitAllocationModel.VarHandler

If needed, emit bytecode at the top of the run method.

Specified by:

generateDeclCode in interface JitAllocationModel.VarHandler

Parameters:

gen - the code generator

start - a label at the top of the method

end - a label at the end of the method

rv - the visitor for the run method

generateLoadCode

default void generateLoadCode(JitCodeGenerator gen,
 JitType type,
 org.objectweb.asm.MethodVisitor rv)

Description copied from interface: JitAllocationModel.VarHandler

Emit bytecode to load the varnode's value onto the JVM stack.

Specified by:

generateLoadCode in interface JitAllocationModel.VarHandler

Parameters:

gen - the code generator

type - the p-code type of the value expected on the JVM stack by the proceeding bytecode

rv - the visitor for the run method

generateStoreCode

default void generateStoreCode(JitCodeGenerator gen,
 JitType type,
 org.objectweb.asm.MethodVisitor rv)

Description copied from interface: JitAllocationModel.VarHandler

Emit bytecode to load the varnode's value onto the JVM stack.

Specified by:

generateStoreCode in interface JitAllocationModel.VarHandler

Parameters:

gen - the code generator

type - the p-code type of the value produced on the JVM stack by the preceding bytecode

rv - the visitor for the run method