# Vault 7: Projects

This publication series is about specific projects related to the Vault 7 main publication.

### Protego

# MPLAB XC16 C-Compiler

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Glossary
 2012-2013 Microchip Technology Inc. DS50002071C-page 337
Build
Compile and link all the source files for an application.
C
C\C++
C is a general-purpose programming language which features economy of expression,
modern control flow and data structures, and a rich set of operators. C++ is the
object-oriented version of C.
Calibration Memory
A special function register or registers used to hold values for calibration of a PIC micro-
controller on-board RC oscillator or other device peripherals.
Central Processing Unit
The part of a device that is responsible for fetching the correct instruction for execution,
decoding that instruction, and then executing that instruction. When necessary, it works
in conjunction with the arithmetic logic unit (ALU) to complete the execution of the
instruction. It controls the program memory address bus, the data memory address
bus, and accesses to the stack.
Clean
Clean removes all intermediary project files, such as object, hex and debug files, for
the active project. These files are recreated from other files when a project is built.
COFF
Common Object File Format. An object file of this format contains machine code,
debugging and other information.
Command Line Interface
A means of communication between a program and its user based solely on textual
input and output.
Compiled Stack
A region of memory managed by the compiler in which variables are statically allocated
space. It replaces a software or hardware stack when such mechanisms cannot be effi-
ciently implemented on the target device.
Compiler
A program that translates a source file written in a high-level language into machine
code.
Conditional Assembly
Assembly language code that is included or omitted based on the assembly-time value
of a specified expression.
Conditional Compilation
The act of compiling a program fragment only if a certain constant expression, specified
by a preprocessor directive, is true.
Configuration Bits
Special-purpose bits programmed to set PIC microcontroller modes of operation. A
Configuration bit may or may not be preprogrammed.
Control Directives
Directives in assembly language code that cause code to be included or omitted based
on the assembly-time value of a specified expression.
CPU
See Central Processing Unit.

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