Questions tagged [data-segment]
54 questions
0
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1 answer
Can the stack and data segments on the x86 ever overlap?
I know that generally speaking data segments in x86 can overlap but can the stack and data segments overlap I am asking this cause generally they are quiet far from each other in illustration of data segments
0
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1 answer
Two data segments and 386 code in assembly
Well i'm writing a program, that have to print two strings from different data segments in screen. And i have to use 32-bit addresing mode for my program.
.386
assume cs:codeSegment, ds:dataSeg1, es:dataSeg2, ss:stackSeg
; STACK SEGMENT…
davitp
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1 answer
Data Segment in Compiler Construction
i am developing a compiler for my own defined language , i have generated 3 address code and now i am going to develop a virtual machine which can run that 3 address code. but for that i need Data Segment (where i can store all of my variables…
Haider Ali
- 800
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1 answer
How to change data segment? What am I doing wrong?
I am developing a 32 bit OS and have developed a working ELF loader that works just fine. Now I do not have paging enabled (I plan to later, but right now I am just trying to load kernel modules) and I am trying to execute modules at boot. Basically…
user1454902
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-1
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1 answer
Where the nested function's body kept?
Please check the following code,
#include
#include
void* make_adder_function(int a)
{
char str[64] ={};
sprintf(str,"this function adds %d with input",a);
void adder(int b) {
int x = a;
char…
Ajith C Narayanan
- 564
- 2
- 21
-1
votes
1 answer
Assembly Language Memory Operand
I'm using emu8086 to learn Assembly language.
I have a question that says:
Convert the following to code snippet to Assembly Language code:
a = 0
Do i initialize the variable a as the decimal ascii code 48(which has a character value of 0)?
a db…
Reeyona
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1 answer
What is the output of this code, array and pointers
I have a few questions regarding the code below.
If I have a pointer of some type, what does it mean to use array indexing with it? in this example, what does ptr[3] stand for (ptr is a pointer of some type)?
The output of the program is supposed…
user574362
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- 7
-5
votes
3 answers
Printing character array in C
I know I am supposed to put '/o' at end of character array but
When I want to print "printf ("%s\n", kk);" , it gives "abcdepqrst". Why is this happening?
This is the program I am executing.
#include
int main()
{
char…
Aditya Varma
- 330
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-7
votes
6 answers
Can I free pointer address without malloc?
Let's suppose this code:
int i,j=0;
char* block = (char*) (0x9000);
char table[4]= {0x01,0x02,0x03,0x04};
for (i=0; i< 45567; i++) {
*(block +i)= table[j];
j++;
if (j==4)
j=0;
}
I would like to ask:
Is the memory for block…
Zero_One
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