2025-01-24 18:55:26 +00:00
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.intel_syntax noprefix
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.text
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2025-01-24 19:01:05 +00:00
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# String-copying routine. Strings should be null-terminated.
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# Input: rdi = source string base, rsi = destination string base
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# No check is done for buffer overflow.
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2025-01-24 18:55:26 +00:00
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strcpy:
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movb r10b, [rdi]
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cmpb r10b, 0
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je .end
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movb [rsi], r10b
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inc rdi
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inc rsi
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2025-01-24 19:01:05 +00:00
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jmp strcpy
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2025-01-24 18:55:26 +00:00
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.end:
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ret
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