Cross compilers produce code for platforms different from the compiler’s. They’re useful for embedded systems with limited resources and can connect different machines or OS versions. They were popular in early Windows development but are now partially replaced by virtual machines.
Cross compilers are programs that can produce executable code that can run on a platform that is not currently the resident platform for the compiler. They are commonly used when a developer needs to use multiple platforms to handle computing functions, such as in embedded systems where each embedded computer within the system has a smaller amount of resources. Using a cross compiler allows you to overcome this lack of resources by creating interconnected execution between the various components of the system.
An example of when a cross compiler might be used is when microcontrollers are in use within a system. Generally, a microcontroller does not contain a large amount of memory, so when this program is used to manage the creation and issuing of command execution, fewer resources for the microcontroller are committed to administrative orders. This means that they can be directed to execute the task ordered by the compiler.
The program can help create a working network between different types of machines or even different versions of an operating system. In this application, a company could use both older and newer versions of an operating system to access a common network, even if the office workstations featured a wide variety of desktop computers of varying ages and capabilities. Using this type of program allows you to collect all these various elements into a cohesive building environment that will allow each of the stations to access essential files and data residing on the common server.
Cross compilers can be traced back to the early days of Windows® development and the gradual decline in the use of DOS by many end users. Today, they remain a common means of maximizing the efficiency of several components. However, virtual machines, such as the Java JVM, are finally able to manage a part of the functions that were once only possible with the use of this software.
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