mirror of
https://github.com/kuhyx/WUT_Computer_Science.git
synced 2026-07-06 13:23:14 +02:00
28 lines
1.6 KiB
Plaintext
Executable File
28 lines
1.6 KiB
Plaintext
Executable File
1 section .text
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2 global hello_world ;must be declared for linker (ld)
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3
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4 hello_world: ;tells linker entry point
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5
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6 00000000 55 push ebp
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7 00000001 89E5 mov ebp,esp
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8 00000003 53 push ebx
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9
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10 00000004 BA0E000000 mov edx,len ;message length
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11 00000009 B9[00000000] mov ecx,msg ;message to write
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12 0000000E BB01000000 mov ebx,1 ;file descriptor (stdout)
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13 00000013 B804000000 mov eax,4 ;system call number (sys_write)
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14 00000018 CD80 int 0x80 ;call kernel
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15
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16 0000001A 5B pop ebx
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17 0000001B 89EC mov esp, ebp
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18 0000001D 5D pop ebp
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19 0000001E C3 ret
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20
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21 ;mov eax,1 ;system call number (sys_exit)
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22 ;int 0x80 ;call kernel
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23
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24 section .data
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25 00000000 48656C6C6F2C20776F- msg db 'Hello, world!', 0xa ;string to be printed
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25 00000009 726C64210A
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26 len equ $ - msg ;length of the string
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