NASM Assembler

Generate 32-bit

nasm -f elf -o execve.o execve.asm

# -s strips debugging symbols
ld -m elf_i386 -s  -o execve execve.o

With debugging symbols

nasm -f elf -gdwarf -o execve.o execve.asm
ld -m elf_i386 -o execve execve.o