kerneldoc, tracing: make kernel-doc understand TRACE_EVENT() macro (take #2)

Add support to kernel-doc for tracepoint comments above TRACE_EVENT()
macro definitions. Paves the way for tracepoint docbook.

[ Impact: extend DocBook infrastructure ]

Signed-off-by: Jason Baron <jbaron@redhat.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: akpm@linux-foundation.org
Cc: rostedt@goodmis.org
Cc: fweisbec@gmail.com
Cc: mathieu.desnoyers@polymtl.ca
Cc: wcohen@redhat.com
LKML-Reference: <d80706b6797e277924d2f3ec9af176c6b2951f88.1241107197.git.jbaron@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jason Baron 2009-04-30 13:29:36 -04:00 committed by Ingo Molnar
parent a0e39ed378
commit 56afb0f882

View file

@ -1827,6 +1827,25 @@ sub reset_state {
$state = 0;
}
sub tracepoint_munge($) {
my $file = shift;
my $tracepointname = 0;
my $tracepointargs = 0;
if($prototype =~ m/TRACE_EVENT\((.*?),/) {
$tracepointname = $1;
}
if($prototype =~ m/TP_PROTO\((.*?)\)/) {
$tracepointargs = $1;
}
if (($tracepointname eq 0) || ($tracepointargs eq 0)) {
print STDERR "Warning(${file}:$.): Unrecognized tracepoint format: \n".
"$prototype\n";
} else {
$prototype = "static inline void trace_$tracepointname($tracepointargs)";
}
}
sub syscall_munge() {
my $void = 0;
@ -1881,6 +1900,9 @@ sub process_state3_function($$) {
if ($prototype =~ /SYSCALL_DEFINE/) {
syscall_munge();
}
if ($prototype =~ /TRACE_EVENT/) {
tracepoint_munge($file);
}
dump_function($prototype, $file);
reset_state();
}