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Clear DF flag to conform to x86-64 calling convention #15

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tangruize opened this issue Dec 2, 2024 · 0 comments
Open

Clear DF flag to conform to x86-64 calling convention #15

tangruize opened this issue Dec 2, 2024 · 0 comments

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@tangruize
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The X86-64 System V ABI requires the DF flag (Direction Flag) to be cleared (DF = 0) on function entry and return. If DF is not cleared, it can lead to undefined and unpredictable behavior during string operations.
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@tangruize