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trivial doc fix: remove weird phrase "syscall takes zero to five arguments"

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"number of arguments, from zero to five" is wrong, because on Linux maximal number
of arguments is 6, not 5. Also, maximal number of arguments is kernel-dependent,
so let's not include it here at all.

Moreover, "Each kind of system call has a definite number of arguments" is questionable.
Think about SYS_open on Linux, which takes 2 or 3 arguments. Or SYS_clone on Linux x86_64, which
takes 2 to 5 arguments. So I propose to fully remove this sentence.

Signed-off-by: Askar Safin <safinaskar@zohomail.com>
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Askar Safin 2024-02-12 19:48:55 +03:00 committed by Adhemerval Zanella
parent 545480506f
commit dbae3a3940
1 changed files with 1 additions and 2 deletions
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manual/startup.texi
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@ -727,8 +727,7 @@ identified by a number. Macros for all the possible system call numbers
are defined in @file{sys/syscall.h}
The remaining arguments are the arguments for the system call, in
order, and their meanings depend on the kind of system call. Each kind
of system call has a definite number of arguments, from zero to five.
order, and their meanings depend on the kind of system call.
If you code more arguments than the system call takes, the extra ones to
the right are ignored.