$ cat hello.c

#include "stdio.h"

void main(void) {
        printf("Hello world!\n");
}
$ gcc -o hello hello.c -g -Wa,-anlhd=hello.lst,-L
$ cat hello.lst
   1                            .file   "hello.c"
   2                            .text
   3                    .Ltext0:
   4                            .section        .rodata
   5                    .LC0:
   6 0000 48656C6C              .string "Hello world!"
   6      6F20776F
   6      726C6421
   6      00
   7                            .text
   8                            .globl  main
  10                    main:
  11                    .LFB0:
  12                            .file 1 "hello.c"
   1:hello.c       ****
   2:hello.c       **** #include "stdio.h"
   3:hello.c       ****
   4:hello.c       **** void main(void) {
  13                            .loc 1 4 17
  14                            .cfi_startproc
  15 0000 55                    pushq   %rbp
  16                            .cfi_def_cfa_offset 16
  17                            .cfi_offset 6, -16
  18 0001 4889E5                movq    %rsp, %rbp
  19                            .cfi_def_cfa_register 6
   5:hello.c       ****         printf("Hello world!\n");
  20                            .loc 1 5 2
  21 0004 488D3D00              leaq    .LC0(%rip), %rdi
  21      000000
  22 000b E8000000              call    puts@PLT
  22      00
   6:hello.c       **** }
  23                            .loc 1 6 1
  24 0010 90                    nop
  25 0011 5D                    popq    %rbp
  26                            .cfi_def_cfa 7, 8
  27 0012 C3                    ret
  28                            .cfi_endproc
  29                    .LFE0:
  31                    .Letext0:
$ ia16-elf-gcc -o hello.com hello.c -g -Wa,-anlhd=hello.lst,-L
cc1: warning: target system does not support debug output
$ cat hello.lst
   1                            .arch i8086,jumps
   2                            .code16
   3                            .att_syntax prefix
   4                    #NO_APP
   5                            .section        .rodata
   6                    .LC0:
   7 0000 48656C6C              .string "Hello world!"
   7      6F20776F
   7      726C6421
   7      00
   8                            .text
   9                            .global main
  11                    main:
  12 0000 55                    pushw   %bp
  13 0001 89E5                  movw    %sp,    %bp
  14 0003 B80000                movw    $.LC0,  %ax
  15 0006 50                    pushw   %ax
  16 0007 16                    pushw   %ss
  17 0008 1F                    popw    %ds
  18 0009 E8FEFF                call    puts
  19 000c 83C402                addw    $2,     %sp
  20 000f 90                    nop
  21 0010 5D                    popw    %bp
  22 0011 16                    pushw   %ss
  23 0012 1F                    popw    %ds
  24 0013 C3                    ret
  26                            .ident  "GCC: (GNU) 6.3.0"
$