local variables

More documents

Recommendations

Info

8.3 Stack Parameters• Register vs. Stack Parameters• INVOKE Directive• PROC Directive• PROTO Directive• Passing by Value or by Reference• Parameter Classifications• Example: Exchanging Two Integers• Trouble-Shooting TipsIrvine, Kip R. Assembly Language for Intel-Based Computers, 2003. 10
Procedure Parameters• Two types of procedure parameters• Register parameters• Stack parameters• Register parameters• Optimized for program execution speed• Register parameters require dedicating a register toeach parameter• Otherwise, existing register contents often must be saved• Stack parameters• The required arguments must be pushed on the stackby a calling program• Nearly all high-level language uses themIrvine, Kip R. Assembly Language for Intel-Based Computers, 2003. 11
Page 1 and 2: Assembly Language for Intel-BasedCo
Page 3 and 4: 8.2 Local Variables• Global varia
Page 5 and 6: Local VariablesExamples:LOCAL flagV
Page 7 and 8: MASM-Generated Code (2 of 2)Diagram
Page 9: Reserving Stack Space• Suppose SU
Page 13 and 14: INVOKE Directive• The INVOKE dire
Page 15 and 16: INVOKE Examples (Cont.).dataval1 DW
Page 17 and 18: PROC Directive• The PROC directiv
Page 19 and 20: PROC Examples (2 of 3)FillArray rec
Page 21 and 22: PROTO Directive• Creates a proced
Page 23 and 24: PROTO Example• Prototype for the
Page 25 and 26: Passing by Value• When a procedur
Page 27 and 28: Passing by Reference: Example.datam
Page 29 and 30: Parameter Classifications• An inp
Page 31 and 32: Trouble-Shooting Tips (Cont.)• Sa
Page 33 and 34: 8.4 Stack Frames• Memory Models
Page 35 and 36: Memory Models• A program's memory
Page 37 and 38: Memory ModelsModeltinysmallMediumCo
Page 39 and 40: • stdcallLanguage Specifiers (Con
Page 41 and 42: Language Specifiers (Cont.)• C:
Page 43 and 44: Stack Frame Example (1 of 2).datasu
Page 45 and 46: Your turn . . .• Create a procedu
Page 47 and 48: Passing Arguments by Reference (1 o
Page 49 and 50: LEA Instruction• The LEA instruct
Page 51 and 52: Creating Local Variables• To expl
Page 53 and 54: Creating Local Variables: Example (

local variables

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?