The process of executing a procedure is called activation. The body of the procedure comprises of the procedure identifier and the sequence of finite instructions. There is a start and end delimiter and the rest is the body of the procedure. The sequence of instructions when combined into number of procedures is known as a program and the procedure instructions are executed sequentially. What are Activation Trees in Compiler Design? When the program is executed, the memory allocation and de-allocation is taken care. A state of the target machine that includes software libraries, environment variables which provide services to the running processes is known as Runtime environment.Ī package that is generated with the executable program and which provide a process communication among the process and the runtime environment is known as Runtime support system. When a program is in execution, it is said to be in runtime. The names for procedure, identifiers used for mapping with the actual memory location are all available in a program. Instructions are executed by using memory resources. Explain the Run-Time Environment of Compiler Design.Ī collection of text, code statements is a program as a source code and actions are performed on the target machine for making alive.
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