Package ghidra.pcode.emu.jit.gen.var

Interface DirectMemoryVarGen

All Superinterfaces:

MemoryVarGen<JitDirectMemoryVar>, ValGen<JitDirectMemoryVar>, VarGen<JitDirectMemoryVar>

All Known Implementing Classes:

SubDirectMemoryVarGen, WholeDirectMemoryVarGen

public interface DirectMemoryVarGen
extends MemoryVarGen<JitDirectMemoryVar>

The generator for a direct memory variable.

This prohibits generation of code to write the variable.

Nested Class Summary

Nested classes/interfaces inherited from interface ghidra.pcode.emu.jit.gen.var.VarGen

VarGen.BlockTransition<THIS extends JitCompiledPassage>

Method Summary

Modifier and Type	Method	Description
default <THIS extends JitCompiledPassage, N extends Emitter.Next> Emitter<Emitter.Ent<N,Types.TInt>>	genReadToBool(Emitter<N> em, Local<Types.TRef<THIS>> localThis, JitCodeGenerator<THIS> gen, JitDirectMemoryVar v)	Emit code to read the value onto the stack as a boolean
default <THIS extends JitCompiledPassage, N1 extends Emitter.Next, N0 extends Emitter.Ent<N1, Types.TRef<int[]>>> Emitter<N1>	genWriteFromArray(Emitter<N0> em, Local<Types.TRef<THIS>> localThis, JitCodeGenerator<THIS> gen, JitDirectMemoryVar v, JitType.MpIntJitType type, Opnd.Ext ext, Scope scope)	Write a value from an array operand into the given variable
default <THIS extends JitCompiledPassage, N extends Emitter.Next> Emitter<N>	genWriteFromOpnd(Emitter<N> em, Local<Types.TRef<THIS>> localThis, JitCodeGenerator<THIS> gen, JitDirectMemoryVar v, Opnd<JitType.MpIntJitType> opnd, Opnd.Ext ext, Scope scope)	Write a value from a local operand into the given variable
default <THIS extends JitCompiledPassage, T extends Types.BPrim<?>, JT extends JitType.SimpleJitType<T, JT>, N1 extends Emitter.Next, N0 extends Emitter.Ent<N1, T>> Emitter<N1>	genWriteFromStack(Emitter<N0> em, Local<Types.TRef<THIS>> localThis, JitCodeGenerator<THIS> gen, JitDirectMemoryVar v, JT type, Opnd.Ext ext, Scope scope)	Write a value from a stack operand into the given variable

Methods inherited from interface ghidra.pcode.emu.jit.gen.var.MemoryVarGen

genReadLegToStack, genReadToArray, genReadToOpnd, genReadToStack, genValInit, getVarnode

Methods inherited from interface ghidra.pcode.emu.jit.gen.var.ValGen

subpiece

Method Details

genWriteFromStack

default <THIS extends JitCompiledPassage,
T extends Types.BPrim<?>,
JT extends JitType.SimpleJitType<T,
JT>,
N1 extends Emitter.Next,
N0 extends Emitter.Ent<N1,
T>>
Emitter<N1> genWriteFromStack(Emitter<N0> em,
 Local<Types.TRef<THIS>> localThis,
 JitCodeGenerator<THIS> gen,
 JitDirectMemoryVar v,
 JT type,
 Opnd.Ext ext,
 Scope scope)

Description copied from interface: VarGen

Write a value from a stack operand into the given variable

Specified by:

genWriteFromStack in interface VarGen<JitDirectMemoryVar>

Type Parameters:

THIS - the type of the generated class

T - the JVM type of the stack operand

JT - the p-code type of the stack operand

N1 - the tail of the stack (...)

N0 - ..., value

Parameters:

em - the emitter

localThis - a handle to this

gen - the code generator

v - the variable to write

type - the p-code type of the stack operand

ext - the kind of extension to apply when adjusting from varnode size to JVM size

scope - a scope for temporaries

Returns:

the emitter with ...

genWriteFromOpnd

default <THIS extends JitCompiledPassage,
N extends Emitter.Next>
Emitter<N> genWriteFromOpnd(Emitter<N> em,
 Local<Types.TRef<THIS>> localThis,
 JitCodeGenerator<THIS> gen,
 JitDirectMemoryVar v,
 Opnd<JitType.MpIntJitType> opnd,
 Opnd.Ext ext,
 Scope scope)

Description copied from interface: VarGen

Write a value from a local operand into the given variable

Specified by:

genWriteFromOpnd in interface VarGen<JitDirectMemoryVar>

Type Parameters:

THIS - the type of the generated class

N - the tail of the stack (...)

Parameters:

em - the emitter

localThis - a handle to this

gen - the code generator

v - the variable to write

opnd - the source operand

ext - the kind of extension to apply when adjusting from varnode size to JVM size

scope - a scope for temporaries

Returns:

the emitter with ...

genWriteFromArray

default <THIS extends JitCompiledPassage,
N1 extends Emitter.Next,
N0 extends Emitter.Ent<N1,
Types.TRef<int[]>>>
Emitter<N1> genWriteFromArray(Emitter<N0> em,
 Local<Types.TRef<THIS>> localThis,
 JitCodeGenerator<THIS> gen,
 JitDirectMemoryVar v,
 JitType.MpIntJitType type,
 Opnd.Ext ext,
 Scope scope)

Description copied from interface: VarGen

Write a value from an array operand into the given variable

Specified by:

genWriteFromArray in interface VarGen<JitDirectMemoryVar>

Type Parameters:

THIS - the type of the generated class

N1 - the tail of the stack (...)

N0 - ..., arrayref

Parameters:

em - the emitter

localThis - a handle to this

gen - the code generator

v - the variable to write

type - the p-code type of the array operand

ext - the kind of extension to apply when adjusting from varnode size to JVM size

scope - a scope for temporaries

Returns:

the emitter with ...

genReadToBool

default <THIS extends JitCompiledPassage,
N extends Emitter.Next>
Emitter<Emitter.Ent<N,Types.TInt>> genReadToBool(Emitter<N> em,
 Local<Types.TRef<THIS>> localThis,
 JitCodeGenerator<THIS> gen,
 JitDirectMemoryVar v)

Description copied from interface: ValGen

Emit code to read the value onto the stack as a boolean

Specified by:

genReadToBool in interface MemoryVarGen<JitDirectMemoryVar>

Specified by:

genReadToBool in interface ValGen<JitDirectMemoryVar>

Type Parameters:

THIS - the type of the generated class

N - the tail of the stack (...)

Parameters:

em - the emitter

localThis - a handle to this

gen - the code generator

v - the value

Returns:

the emitter with ..., result