Package mars.mips.instructions.syscalls

Class SyscallSbrk

java.lang.Object

mars.mips.instructions.syscalls.AbstractSyscall

mars.mips.instructions.syscalls.SyscallSbrk

All Implemented Interfaces:

Syscall

public class SyscallSbrk
extends AbstractSyscall

Service to allocate amount of heap memory specified in $a0, putting address into $v0.

Constructor Summary

Constructors

Constructor	Description
SyscallSbrk()	Build an instance of the syscall with its default service number and name.

Method Summary

Modifier and Type	Method	Description
void	simulate(BasicStatement statement)	Performs syscall function to allocate amount of heap memory specified in $a0, putting address into $v0.

Methods inherited from class mars.mips.instructions.syscalls.AbstractSyscall

getName, getNumber, setNumber

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

SyscallSbrk

public SyscallSbrk()

Build an instance of the syscall with its default service number and name.

Method Details

simulate

public void simulate(BasicStatement statement)
              throws SimulatorException

Performs syscall function to allocate amount of heap memory specified in $a0, putting address into $v0.

Specified by:

simulate in interface Syscall

Specified by:

simulate in class AbstractSyscall

Parameters:

statement - BasicStatement object for this syscall instruction.

Throws:

SimulatorException