Data Structures and Algorithms Using C++ by Pearson

Chapter 3 Algorithms | 3.9

Example

#include<stdio.h>

#include<stdlib.h>

#define PI 3.141 /*rodata*/

int a; /*bss section*/

int b=10; /*data section*/

static int c=20;/*data section*/

int main()

{

char name[10];/*stack*/

cout<<”%d %d”<<b<<c;/*rodata*/

}

Sections

Idx Name Size VMA LMA File off Algn

0 .text 0000003e 00000000 00000000 00000034 2**2

CONTENTS, ALLOC, LOAD, RELOC, READONLY, CODE

1 .data 00000008 00000000 00000000 00000074 2**2

CONTENTS, ALLOC, LOAD, DATA

2 .bss 00000004 00000000 00000000 0000007c 2**2

ALLOC

3 .rodata 00000006 00000000 00000000 0000007c 2**0

CONTENTS, ALLOC, LOAD, READONLY, DATA

Data space

size (data) + size (rodata) + size (bss) = 8 + 6 + 4 = 18 bytes

Instruction space

(3e)

16

= 62 bytes

Stack space

4 Bytes Frame P ...