'Static link' diaporamas de présentation

Subroutines

669 views • 33 slides

Subroutines

431 views • 33 slides

Subroutines

346 views • 33 slides

Subprograms

Subprograms. The basic abstraction mechanism. Functions correspond to the mathematical notion of computation input output procedures affect the environment, and are called for their side-effects pure functional model possible ( but awkward )

308 views • 30 slides

Subprograms

Subprograms. The basic abstraction mechanism. Functions correspond to the mathematical notion of computation input ? output procedures affect the environment, and are called for their side-effects pure functional model possible ( but awkward )

317 views • 30 slides

Implementing Subprograms

Implementing Subprograms. Subprogram linkage refers to the subprogram call and return operations of a programming language. The execution of a called subprogram requires many associated actions. parameter passing storage allocation of local variables

403 views • 26 slides

COP 3402 Systems Software

COP 3402 Systems Software. Euripides Montagne University of Central Florida. COP 3402 Systems Software. Virtual Machines as instruction interpreters. Outline. Virtual machines as software interpreters P-code: instruction set architecture The instruction format Assembly language.

332 views • 19 slides

Handling nested procedures

Handling nested procedures. Method 1 : static (access) links Reference to the frame of the lexically enclosing procedure Static chains of such links are created. How do we use them to access non-locals? The compiler knows the scope s of a variable The compiler knows the current scope t

283 views • 19 slides

Run-Time Storage Organization

Leonidas Fegaras. Run-Time Storage Organization. Memory Layout. Memory layout of an executable program:. Run-Time Stack. At run-time, function calls behave in a stack-like manner when you call, you push the return address onto the run-time stack

300 views • 16 slides

CSC 3315 Subprograms: an Example

CSC 3315 Subprograms: an Example. Hamid Harroud School of Science and Engineering, Akhawayn University http://www.aui.ma/~H.Harroud/csc3315/. program Main; var A, B: integer; procedure P ; begin {P} {L1P} A := A + 1; {L2P} B := B + 1; {L3P} end; procedure Q ;

254 views • 14 slides

Repeat Until Command

Repeat Until Command. Code Functions. run P. Run the program P and then halt, starting and finishing with an empty stack Execute the command C, possibly updating variables, but neither expanding nor contracting the stack

269 views • 9 slides