35 lines
342 B
ArmAsm
35 lines
342 B
ArmAsm
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bits 64
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default rel
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global cat
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section .data
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buf: db 0
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section .text
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cat:
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push r12
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push rbx
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mov r12, rdi ; fd to read
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mov rbx, rsi ; bytes to read
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.l: mov eax, 3 ; read
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mov rdi, r12
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lea rsi, [buf]
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mov rdx, 1
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syscall
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mov eax, 4 ; write
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mov rdi, 1
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lea rsi, [buf]
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mov rdx, 1
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syscall
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dec rbx
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jnz .l
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pop rbx
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pop r12
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ret
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