Memory layout in c programming
Step-by-step Guide: Memory Layout of the C programming
whenever we write some program suppose program. c and press hit enter to compile the code then generate a program.exe file (for windows) or ./a.out file (for Linux) that executable file for the program.c takes four stages in memory we simply called the memory layout of the c programming
Stages are Respectively
- Stack Section
- Heap Section
- Data Section
- Code Section
The stack section is called simply temp memory, stacks section contains auto variables, function return, and formal arguments.
In computing, a stack is a section of memory used to store data temporarily during program execution. It is a data structure that follows the Last-In-First-Out (LIFO) principle, which means that the most recently added item to the stack is the first one to be removed.
The heap section is used for Dynamic memory allocation also called run-time memory allocation
In C programming language, the heap section is a region of memory that is used to allocate memory dynamically at runtime. The heap section is also known as the free store, and it is managed by the operating system and the C runtime library.
In C programming language, the data section is a region of memory that contains static and global variables. Static variables are variables that are declared with the static keyword, and they are initialized once when the program is loaded into memory. Global variables are variables that are declared outside of any function, and they are also initialized once when the program is loaded into memory.
The data section is used for static variables and extern variables and also function symbols.
In C programming language, the code section, also known as the text section, is a region of memory that contains the compiled machine code for the program's instructions and functions. The code section is a read-only section of memory, which means that the contents of the section cannot be modified during program execution
Code Section Contains Upcode
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