/usr/share/systemtap/tapset/dyninst/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 | /* Some functions from libc <arpa/inet.h> */
/* NB: functionally equivalent to linux/inet.stp
* ... but we have the advantage of using (mostly) direct equivalents!
*/
%{
#include <arpa/inet.h>
#include <endian.h>
%}
function htonll:long (x:long)
%{
/* pure */ STAP_RETVALUE = htobe64 ((uint64_t) STAP_ARG_x);
%}
function htonl:long (x:long)
%{
/* pure */ STAP_RETVALUE = htonl ((uint32_t) STAP_ARG_x);
%}
function htons:long (x:long)
%{
/* pure */ STAP_RETVALUE = htons ((uint16_t) STAP_ARG_x);
%}
function ntohll:long (x:long)
%{
/* pure */ STAP_RETVALUE = be64toh ((uint64_t) STAP_ARG_x);
%}
function ntohl:long (x:long)
%{
/* pure */ STAP_RETVALUE = ntohl ((uint32_t) STAP_ARG_x);
%}
function ntohs:long (x:long)
%{
/* pure */ STAP_RETVALUE = ntohs ((uint16_t) STAP_ARG_x);
%}
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