Computer Systems: A Programmer's Perspective (3rd Edition)
3rd Edition
ISBN: 9780134092669
Author: Bryant, Randal E. Bryant, David R. O'Hallaron, David R., Randal E.; O'Hallaron, Bryant/O'hallaron
Publisher: PEARSON
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Expert Solution & Answer
Chapter 7, Problem 7.13HW
A.
Explanation of Solution
Object files in the versions in “libc.a” and “libm.a”:
For “libm.a”:
- The “libm.a” means “C” math library.
- First user needs to find the “libm.a” path using below command:
Command: whereis libm.a
- After entering the above command, the following output will be displayed.
libm: /usr/lib/libm.so /usr/lib64/libm.so
- Now find the number of object files in “libm.a” using
ar t /usr/lib64/libm...
B.
Explanation of Solution
Difference between executable code in “gcc -Og –g” and “gcc -Og”:
When compiling code with “gcc -Og –g” and “gcc -Og”, the result will be same.
Example:
The example for compiling code with “gcc -Og –g” and “gcc -Og” is shown below:
sample...
C.
Explanation of Solution
Shared libraries in the GCC driver on given system:
- Object files that are dynamically loaded and linked into an application.
- That is either in load time or run time.
- It is also called as dynamic link libraries (DLL) that is format of “.so” files.
- Dynamic linking can happen when executable is first loaded and run.
- The libraries are controlled automatically by the dynamic linker in Linux that is using “ld-linux.so”.
- In general, the standard “C” library are dynamically linked by using “libc.so”.
Example:
The example for shared libraries in the GCC driver on given system is shown below:
Sample...
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Chapter 7 Solutions
Computer Systems: A Programmer's Perspective (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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