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Commit 56afb0f8 authored by Jason Baron's avatar Jason Baron Committed by Ingo Molnar
Browse files

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: default avatarJason Baron <jbaron@redhat.com>
Acked-by: default avatarRandy 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: default avatarIngo Molnar <mingo@elte.hu>
parent a0e39ed3

scripts/kernel-doc

+22 −0
Original line number Diff line number Diff line
@@ -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();

    }