CVSROOT: /cvs
Module name: src
Changes by: [email protected] 2021/09/08 07:29:51
Modified files:
usr.sbin/btrace: TODO bt_parse.y bt_parser.h btrace.8 btrace.c
Added files:
regress/usr.sbin/btrace: staticv.args staticv.bt staticv.ok
Log message:
btrace(8): add initial support for cli arguments
This adds initial support for passing cli args to btrace(8) for use
in bt(5) scripts. Similar to bpftrace, they are referenced via $1,
$2, etc. with $# being the number of command line arguments provided.
Adds an initial regress test and a Makefile change to allow providing
arguments to regress tests in a .args file.
Currently no limit is imposed on the number of arguments, keeping
a similar approach as observed in bpftrace. References to undefined
arguments result in a new "nil" type that contextually acts as a
zero or empty string. More work can be done here to improve bpftrace
compatibility.
ok mpi@, jasper@
