1                                 %line 1+1 cmdline.txt
     2                                 
     3                                 
     4                                 
     5                                 [section .data]
     6                                 
     7                                 
     8                                 LF equ 10
     9                                 NULL equ 0
    10                                 TRUE equ 1
    11                                 FALSE equ 0
    12                                 EXIT_SUCCESS equ 0
    13                                 STDIN equ 0
    14                                 STDOUT equ 1
    15                                 STDERR equ 2
    16                                 SYS_read equ 0
    17                                 SYS_write equ 1
    18                                 SYS_open equ 2
    19                                 SYS_close equ 3
    20                                 SYS_fork equ 57
    21                                 SYS_exit equ 60
    22                                 SYS_creat equ 85
    23                                 SYS_time equ 201
    24                                 
    25                                 
    26 00000000 0A00                   newLine db LF, NULL
    27                                 
    28                                 [section .text]
    29                                 [global main]
    30                                 main:
    31                                 
    32                                 
    33                                 
    34                                 
    35                                 
    36 00000000 4989FC                 mov r12, rdi
    37 00000003 4989F5                 mov r13, rsi
    38                                 
    39                                 
    40                                 
    41                                 
    42                                 printArguments:
    43 00000006 48C7C7[00000000]       mov rdi, newLine
    44 0000000D E830000000             call printString
    45 00000012 48C7C300000000         mov rbx, 0
    46                                 printLoop:
    47 00000019 498B7CDD00             mov rdi, qword [r13+rbx*8]
    48 0000001E E81F000000             call printString
    49 00000023 48C7C7[00000000]       mov rdi, newLine
    50 0000002A E813000000             call printString
    51 0000002F 48FFC3                 inc rbx
    52 00000032 4C39E3                 cmp rbx, r12
    53 00000035 7CE0                   jl printLoop
    54                                 
    55                                 
    56                                 exampleDone:
    57 00000037 48C7C03C000000         mov rax, SYS_exit
    58 0000003E 48C7C700000000         mov rdi, EXIT_SUCCESS
    59 00000045 0F05                   syscall
    60                                 
    61                                 
    62                                 
    63                                 
    64                                 
    65                                 
    66                                 
    67                                 
    68                                 
    69                                 
    70                                 [global printString]
    71                                 printString:
    72 00000047 55                     push rbp
    73 00000048 4889E5                 mov rbp, rsp
    74 0000004B 53                     push rbx
    75                                 
    76                                 
    77 0000004C 4889FB                 mov rbx, rdi
    78 0000004F 48C7C200000000         mov rdx, 0
    79                                 strCountLoop:
    80 00000056 803B00                 cmp byte [rbx], NULL
    81 00000059 7406                   je strCountDone
    82 0000005B 48FFC2                 inc rdx
    83 0000005E 48FFC3                 inc rbx
    84 00000061 EBF1                   jmp strCountLoop
    85                                 strCountDone:
    86 00000063 4883FA00               cmp rdx, 0
    87 00000067 740F                   je prtDone
    88                                 
    89                                 
    90 00000069 48C7C001000000         mov rax, SYS_write
    91 00000070 4889FE                 mov rsi, rdi
    92 00000073 BF01000000             mov edi, STDOUT
    93                                 
    94 00000078 0F05                   syscall
    95                                 
    96                                 
    97                                 prtDone:
    98 0000007A 5B                     pop rbx
    99 0000007B 5D                     pop rbp
   100 0000007C C3                     ret
   101