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tracing: Fix recordmcount.pl to handle sections with only weak functions

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Roland Dreier found that a section that contained only a weak
function in one of the staging drivers and this caused
recordmcount.pl to spit out a warning and fail.

Although it is strange that a driver would have a weak function, and
this function only be used in one place, it should not be something
to make recordmcount.pl fail.

This patch fixes the issue in a simple manner: if only weak
functions exist in a section, then that section will not be
recorded.

Reported-by: Roland Dreier <rdreier@cisco.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Steven Rostedt 2009-08-06 19:53:18 -04:00 committed by Ingo Molnar
parent 469535a598
commit 7dbdee2e9a
1 changed files with 2 additions and 2 deletions
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4
scripts/recordmcount.pl
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@ -393,7 +393,7 @@ while (<IN>) {
$read_function = 0;
}
# print out any recorded offsets
update_funcs() if ($text_found);
update_funcs() if (defined($ref_func));
# reset all markers and arrays
$text_found = 0;
@ -444,7 +444,7 @@ while (<IN>) {
}
# dump out anymore offsets that may have been found
update_funcs() if ($text_found);
update_funcs() if (defined($ref_func));
# If we did not find any mcount callers, we are done (do nothing).
if (!$opened) {