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-.TH AUSYSCALL: "8" "Nov 2008" "Red Hat" "System Administration Utilities"
-.SH NAME
-ausyscall \- a program that allows mapping syscall names and numbers
-.SH SYNOPSIS
-.B ausyscall [arch] name | number | \-\-dump | \-\-exact
-.SH DESCRIPTION
-\fBausyscall\fP is a program that prints out the mapping from syscall name to number and reverse for the given arch. The arch can be anything returned by `uname \-m`. If arch is not given, the program will take a guess based on the running image. You may give the syscall name or number and it will find the opposite. You can also dump the whole table with the \-\-dump option. By default a syscall name lookup will be a substring match meaning that it will try to match all occurrences of the given name with syscalls. So giving a name of chown will match both fchown and chown as any other syscall with chown in its name. If this behavior is not desired, pass the \-\-exact flag and it will do an exact string match.
-
-This program can be used to verify syscall numbers on a biarch platform for rule optimization. For example, suppose you had an auditctl rule:
-
-.B \-a always, exit \-S open \-F exit=\-EPERM \-k fail\-open
-
-If you wanted to verify that both 32 and 64 bit programs would be audited, run "ausyscall i386 open" and then "ausyscall x86_64 open". Look at the returned numbers. If they are different, you will have to write two auditctl rules to get complete coverage.
-
-.nf
-.B \-a always,exit \-F arch=b32 \-S open \-F exit=\-EPERM \-k fail\-open
-.B \-a always,exit \-F arch=b64 \-S open \-F exit=\-EPERM \-k fail\-open
-.fi
-
-For more information about a specific syscall, use the man program and pass the number 2 as an argument to make sure that you get the syscall information rather than a shell script program or glibc function call of the same name. For example, if you wanted to learn about the open syscall, type: man 2 open.
-.SH OPTIONS
-.TP
-.B \-\-dump
-Print all syscalls for the given arch
-.TP
-.B \-\-exact
-Instead of doing a partial word match, match the given syscall name exactly.
-
-.SH "SEE ALSO"
-.BR ausearch (8),
-.BR auditctl (8).
-
-.SH AUTHOR
-Steve Grubb