gcc/ChangeLog:
2017-04-27 Martin Liska <mli...@suse.cz>
* doc/gcov.texi: Enhance documentation of gcov.
---
gcc/doc/gcov.texi | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/gcc/doc/gcov.texi b/gcc/doc/gcov.texi
index 1befb5a3e08..c96f86df830 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.
--
2.12.2
