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by nineteen999
2877 days ago
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To be utterly pedantic, on Intel Linux only "legacy" 32-bit int 0x80 mechanism uses iret to return. 32-bit "fast" syscalls use sysenter/sysexit.
64-bit "fast" syscalls use syscall/sysret. Haven't really looked but I suspect sysexit and sysret are somewhat special cased versions of iret. https://blog.packagecloud.io/eng/2016/04/05/the-definitive-g... |
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