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Backport r254257 

2017-11-21  Martin Liska  <mliska@suse.cz>

	Backport from mainline
	2017-10-31  Martin Liska  <mliska@suse.cz>

	PR gcov-profile/82633
	* doc/gcov.texi: Document -fkeep-{static,inline}-functions and
	their interaction with GCOV infrastructure.

From-SVN: r255010
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Martin Liska 2017-11-21 17:01:16 +01:00 committed by Martin Liska
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commit 11f7624968
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2017-11-21 Martin Liska <mliska@suse.cz>
Backport from mainline
2017-10-31 Martin Liska <mliska@suse.cz>
PR gcov-profile/82633
* doc/gcov.texi: Document -fkeep-{static,inline}-functions and
their interaction with GCOV infrastructure.
2017-11-21 Martin Liska <mliska@suse.cz>
Backport from mainline

7
gcc/doc/gcov.texi
View File

@ -328,6 +328,13 @@ handlers, respectively. Given @samp{-a} option, unexecuted blocks are
marked @samp{$$$$$} or @samp{%%%%%}, depending on whether a basic block
is reachable via non-exceptional or exceptional paths.
Note that GCC can completely remove the bodies of functions that are
not needed -- for instance if they are inlined everywhere. Such functions
are marked with @samp{-}, which can be confusing.
Use the @option{-fkeep-inline-functions} and @option{-fkeep-static-functions}
options to retain these functions and
allow gcov to properly show their @var{execution_count}.
Some lines of information at the start have @var{line_number} of zero.
These preamble lines are of the form