/usr/share/systemtap/tapset/linux/inet.stp is in systemtap-common 2.3-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | /* Some functions from libc <arpa/inet.h> */
/* <tapsetdescription>
* These functions convert between network (big-endian) and host byte
* order, like their namesake C functions.
* </tapsetdescription>
*/
/**
* sfunction htonll - Convert 64-bit long long from host to network order
* @x: Value to convert
*/
function htonll:long (x:long) %{ /* pure */ STAP_RETVALUE = (int64_t) cpu_to_be64 ((u64) STAP_ARG_x); %}
/**
* sfunction htonl - Convert 32-bit long from host to network order
* @x: Value to convert
*/
function htonl:long (x:long) %{ /* pure */ STAP_RETVALUE = (int64_t) cpu_to_be32 ((u32) STAP_ARG_x); %}
/**
* sfunction htons - Convert 16-bit short from host to network order
* @x: Value to convert
*/
function htons:long (x:long) %{ /* pure */ STAP_RETVALUE = (int64_t) cpu_to_be16 ((u16) STAP_ARG_x); %}
/**
* sfunction ntohll - Convert 64-bit long long from network to host order
* @x: Value to convert
*/
function ntohll:long (x:long) %{ /* pure */ STAP_RETVALUE = (int64_t) be64_to_cpu ((u64) STAP_ARG_x); %}
/**
* sfunction ntohl - Convert 32-bit long from network to host order
* @x: Value to convert
*/
function ntohl:long (x:long) %{ /* pure */ STAP_RETVALUE = (int64_t) be32_to_cpu ((u32) STAP_ARG_x); %}
/**
* sfunction ntohs - Convert 16-bit short from network to host order
* @x: Value to convert
*/
function ntohs:long (x:long) %{ /* pure */ STAP_RETVALUE = (int64_t) be16_to_cpu ((u16) STAP_ARG_x); %}
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