diff options
author | Martin Liska <mliska@suse.cz> | 2017-04-28 14:51:57 +0200 |
---|---|---|
committer | Martin Liska <marxin@gcc.gnu.org> | 2017-04-28 12:51:57 +0000 |
commit | e03f26cbb81cb0829a0a4783c6854950eb72b95f (patch) | |
tree | a1ce13173e34909cb1d71d77fa5bef70e350a736 /gcc/doc/gcov.texi | |
parent | 2f360676fa8da958b87094c6fee95699860a24b3 (diff) | |
download | gcc-e03f26cbb81cb0829a0a4783c6854950eb72b95f.zip gcc-e03f26cbb81cb0829a0a4783c6854950eb72b95f.tar.gz gcc-e03f26cbb81cb0829a0a4783c6854950eb72b95f.tar.bz2 |
Enhance documentation of gcov.
2017-04-28 Martin Liska <mliska@suse.cz>
* doc/gcov.texi: Enhance documentation of gcov.
From-SVN: r247377
Diffstat (limited to 'gcc/doc/gcov.texi')
-rw-r--r-- | gcc/doc/gcov.texi | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/doc/gcov.texi b/gcc/doc/gcov.texi index 1befb5a..c96f86d 100644 --- a/gcc/doc/gcov.texi +++ b/gcc/doc/gcov.texi @@ -324,7 +324,9 @@ command line option. The @var{execution_count} is @samp{-} for lines containing no code. Unexecuted lines are marked @samp{#####} or @samp{====}, depending on whether they are reachable by non-exceptional paths or only exceptional paths such as C++ exception -handlers, respectively. +handlers, respectively. Given @samp{-a} option, unexecuted blocks are +marked @samp{$$$$$} or @samp{%%%%%}, depending whether a basic block +is reachable via non-exceptional or exceptional paths. Some lines of information at the start have @var{line_number} of zero. These preamble lines are of the form @@ -675,5 +677,5 @@ it. This can be overcome by, for example, setting the environment as setting will name the data file @file{/target/run/build/foo.gcda}. You must move the data files to the expected directory tree in order to -use them for profile directed optimizations (@option{--use-profile}), or to +use them for profile directed optimizations (@option{-fprofile-use}), or to use the @command{gcov} tool. |