Hello World Execution Lifecycle: From C Code to CPU Execution

Step 1

컴파일 & 링킹

Step 2

execve 커널 진입

Step 3

ELF 로딩 & VMA 매핑

Step 4

동적 링커 & CRT0

Step 5

main() & 종료

Source Code

hello.c ➔ ELF 바이너리

➔

Kernel Syscall

sys_execve ➔ do_execve

➔

Memory Mapping

load_elf_binary (VMA)

➔

Linker & Init

ld-linux.so ➔ _start

➔

Execution

main() ➔ exit_group