make hello
./hello

gcc -E -o hello.i hello.c  # Stop after pre-processing

gcc -S -o hello.s hello.i  # Stop after compiler

gcc -c hello.s  # Stop after assembler

gcc -o hello hello.o  # Stop after linker

#gcc -c main.c -o main.o
#gcc -c hello.c -o hello.o
#gcc -o hello main.o hello.o
make -B hello

file hello.c
file hello.o
file hello

readelf --file-header hello.o

readelf --sections hello.o

readelf --symbols hello.o

readelf -x .data hello.o

readelf -x .rodata hello.o
readelf -p .rodata hello.o

readelf --symbols hello.o

objdump --disassemble=f_defined hello.o

readelf --relocs hello.o

readelf -h hello

readelf --sections hello

readelf --symbols hello

objdump --disassemble=f_defined hello
objdump --disassemble=f_static hello
objdump --disassemble=f_external hello

objdump --disassemble=main hello

objdump -dj .plt hello

readelf -x .got.plt hello

readelf --relocs hello

readelf --segments hello

./hello block

cat /proc/$(pidof hello)/maps | grep hello

readelf --segments hello | grep LOAD -A1

readelf -p .interp hello

readelf --dynamic hello

LD_SHOW_AUXV=1 ./hello block

cat /proc/$(pidof hello)/maps | grep ld-linux

LD_DEBUG=all ./hello

#gcc -Wall -Wextra -c hello.c -o hello.o
#gcc -Wall -Wextra -c main_shared.c -o main_shared.o
#gcc shared_utils.c -o libshared_utils.so -shared -fPIC
#gcc hello.o main_shared.o -o hello_shared -L. -lshared_utils
make -B hello_shared

file libshared_utils.so

readelf -h libshared_utils.so

readelf --dynamic hello_shared

readelf --relocs hello_shared

LD_LIBRARY_PATH=. ./hello_shared block

cat /proc/$(pidof hello_shared)/maps | grep libshared_utils.so

LD_DEBUG=all LD_LIBRARY_PATH=. ./hello_shared block

#gcc -Wall -Wextra -c hello.c -o hello.o
#gcc -Wall -Wextra -c main.c -o main.o
#gcc -static hello.o main.o -o hello_static
make hello_static

hello_static

file hello_static

readelf -h hello_static

objdump --disassemble=f_defined hello_static