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author | Martin Liska <mliska@suse.cz> | 2018-03-08 10:05:26 +0100 |
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committer | Martin Liska <marxin@gcc.gnu.org> | 2018-03-08 09:05:26 +0000 |
commit | 5223e95ac279580bc9df57bd51c9badb3f98795a (patch) | |
tree | 512f7748fd1dc40e18c30d003a17e21ed2642cd0 /gcc | |
parent | bc7b0ffa6335f22ae91101d5b072871ebbdc5013 (diff) | |
download | gcc-5223e95ac279580bc9df57bd51c9badb3f98795a.zip gcc-5223e95ac279580bc9df57bd51c9badb3f98795a.tar.gz gcc-5223e95ac279580bc9df57bd51c9badb3f98795a.tar.bz2 |
Document gcov-io (PR gcov-profile/84735).
2018-03-08 Martin Liska <mliska@suse.cz>
PR gcov-profile/84735
* doc/gcov.texi: Document usage of profile files.
* gcov-io.h: Document changes in the format.
From-SVN: r258360
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/ChangeLog | 6 | ||||
-rw-r--r-- | gcc/doc/gcov.texi | 6 | ||||
-rw-r--r-- | gcc/gcov-io.h | 8 |
3 files changed, 15 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 17ca051..2a79397 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2018-03-08 Martin Liska <mliska@suse.cz> + + PR gcov-profile/84735 + * doc/gcov.texi: Document usage of profile files. + * gcov-io.h: Document changes in the format. + 2018-03-08 Alexandre Oliva <aoliva@redhat.com> PR debug/84404 diff --git a/gcc/doc/gcov.texi b/gcc/doc/gcov.texi index d4c7806..5923587 100644 --- a/gcc/doc/gcov.texi +++ b/gcc/doc/gcov.texi @@ -816,9 +816,9 @@ A separate @file{.gcda} file is created for each object file compiled with this option. It contains arc transition counts, value profile counts, and some summary information. -The full details of the file format is specified in @file{gcov-io.h}, -and functions provided in that header file should be used to access the -coverage files. +It is not recommended to access the coverage files directly. +Consumers should use the intermediate format that is provided +by @command{gcov} tool via @option{--intermediate-format} option. @node Cross-profiling @section Data File Relocation to Support Cross-Profiling diff --git a/gcc/gcov-io.h b/gcc/gcov-io.h index 18937e3..d6389c4 100644 --- a/gcc/gcov-io.h +++ b/gcc/gcov-io.h @@ -48,7 +48,11 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see padding: | char:0 | char:0 char:0 | char:0 char:0 char:0 item: int32 | int64 | string - The basic format of the files is + The basic format of the notes file is + + file : int32:magic int32:version int32:stamp int32:support_unexecuted_blocks record* + + The basic format of the data file is file : int32:magic int32:version int32:stamp record* @@ -104,7 +108,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see function-graph: announce_function basic_blocks {arcs | lines}* announce_function: header int32:ident int32:lineno_checksum int32:cfg_checksum - string:name string:source int32:lineno + string:name string:source int32:start_lineno int32:start_column int32:end_lineno basic_block: header int32:flags* arcs: header int32:block_no arc* arc: int32:dest_block int32:flags |