Computer Systems: A Programmer's Perspective Plus Mastering Engineering With Pearson Etext -- Access Card Package (3rd Edition)
3rd Edition
ISBN: 9780134123837
Author: Randal E. Bryant, David R. O'Hallaron
Publisher: PEARSON
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Chapter 7, Problem 7.10HW
Let a and b denote object modules or static libraries in the current directory, and let a →b denote that a depends on b, in the sense that b defines a symbol that is referenced by a For each of the following scenarios, show the minimal command line (i.e., one with the least number of object file and library arguments) that will allow the static linker to resolve all symbol references:
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Let a and b denote object modules or static libraries in the currentdirectory, and let a → b denote that a depends on b , in the sensethat b defines a symbol that is referenced by a . For each of thefollowing scenarios, show the minimal command line (i.e., one with theleast number of object file and library arguments) that will allow thestatic linker to resolve all symbol references:A. p.o → libx.a → p.oB. p.o → libx.a → liby.a and liby.a → libx.aC. p.o → libx.a → liby.a → libz.a and liby.a → libx.a →libz.a
To what end does it matter if the symbol or name used in the C++ inclusion guard on a library interface file be distinct? By assuming that the symbol doesn't need to be unique, and then showing what happens when two libraries that are to be #included in the same application both use the same symbol, we have a helpful proof by contradiction approach at our disposal.
Is there a special reason why the symbol or name used in the C++ inclusion guard on a library interface file has to be special? A helpful tactic in this situation is to use proof by contradiction: assume that the symbol doesn't need to be unique, and then show what happens when two libraries that are both #included in the same application use the same symbol.
Chapter 7 Solutions
Computer Systems: A Programmer's Perspective Plus Mastering Engineering With Pearson Etext -- Access Card Package (3rd Edition)
Ch. 7.5 - Prob. 7.1PPCh. 7.6 - Practice Problem 7.2 (solution page 718) In this...Ch. 7.6 - Practice Problem 7.3 (solution page 718) Let a and...Ch. 7.7 - Prob. 7.4PPCh. 7.7 - Prob. 7.5PPCh. 7 - This problem concerns the m. o module from Figure...Ch. 7 - Without changing any variable names, modify bar5.c...Ch. 7 - Prob. 7.8HWCh. 7 - Consider the following program, which consists of...Ch. 7 - Let a and b denote object modules or static...
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