diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rwxr-xr-x | gcc/configure | 4 | ||||
| -rw-r--r-- | gcc/configure.ac | 4 | ||||
| -rw-r--r-- | gcc/doc/gcov.texi | 7 |
4 files changed, 20 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b8140dd..b15dc95 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +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. + * configure.ac: Add -fkeep-{inline,static}-functions to + coverage_flags. + * configure: Regenerate. + 2017-10-31 Uros Bizjak <ubizjak@gmail.com> PR target/82772 diff --git a/gcc/configure b/gcc/configure index c49e665..c6297ac 100755 --- a/gcc/configure +++ b/gcc/configure @@ -7321,10 +7321,10 @@ fi if test "${enable_coverage+set}" = set; then : enableval=$enable_coverage; case "${enableval}" in yes|noopt) - coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O0" + coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O0 -fkeep-inline-functions -fkeep-static-functions" ;; opt) - coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O2" + coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O2 -fkeep-inline-functions -fkeep-static-functions" ;; no) # a.k.a. --disable-coverage diff --git a/gcc/configure.ac b/gcc/configure.ac index 7c0a903..0ff9dfe 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -728,10 +728,10 @@ AC_ARG_ENABLE(coverage, default is noopt])], [case "${enableval}" in yes|noopt) - coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O0" + coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O0 -fkeep-inline-functions -fkeep-static-functions" ;; opt) - coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O2" + coverage_flags="-fprofile-arcs -ftest-coverage -frandom-seed=\$@ -O2 -fkeep-inline-functions -fkeep-static-functions" ;; no) # a.k.a. --disable-coverage diff --git a/gcc/doc/gcov.texi b/gcc/doc/gcov.texi index 706aa6c..88b8d6d 100644 --- a/gcc/doc/gcov.texi +++ b/gcc/doc/gcov.texi @@ -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 |