Компиляция программы, вызывающей функцию из библиотеки C

# ----------------------------------------------------------------------------------------
# Writes "Hola, mundo" to the console using a C library. Runs on Linux or any other system
# that does not use underscores for symbols in its C library. To assemble and run:
#
#     gcc hola.s && ./a.out
# ----------------------------------------------------------------------------------------
 
        .global main
 
        .text
main:                                   # This is called by C library's startup code
        mov     $message, %rdi          # First integer (or pointer) parameter in %rdi
        call    puts                    # puts(message)
        ret                             # Return to C library code
message:
        .asciz "Hola, mundo"            # asciz puts a 0 byte at the end

        .data
message:
        .asciz "Hola, mundo"            # asciz puts a 0 byte at the end

        .global main
main:                                   # This is called by C library's startup code
        mov     $message, %rdi          # First integer (or pointer) parameter in %rdi
        call    puts                    # puts(message)
        ret                             # Return to C library code
message:
        .asciz "Hola, mundo"            # asciz puts a 0 byte at the end

format elf64 executable
 
mov eax, '?'    ; __NR_uname
lea rdi, [rsp - 300] ; !!!! < RedZone
syscall
 
mov eax, '<'    ; __NR_exit
syscall