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by devit
1683 days ago
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Because this is the most general signature possible (in general syscalls can have up to 6 arguments because the kernel supports x86-32 which has only 8 general purpose registers of which one stores the syscall number, one the stack pointer which cannot be reused due to signals in case of no sigaltstack, and the remaining 6 are available). Depending on option, the args can be pointers to structure. |
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