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Author SHA1 Message Date
Bill Wendling 2428f167f7 Add some GCOV functions that register all of the __llvm_gcov_flush() functions. 
The __llvm_gcov_flush() functions only work for the local compile unit. However,
when __gcov_flush() is called, the user expects all of the counters to be
flushed, not just the ones in the current compile unit.

This adds some library functions that register the flush functions. It also
defined __gcov_flush() so that loops through that list and calls the functions.

PR15191 & <rdar://problem/13167507>

llvm-svn: 177337
 2013-03-18 22:59:47 +00:00
Nick Lewycky 593eeb000a Don't emit the extra checksum into the .gcda file if the user hasn't asked for 
it. Fortunately, versions of gcov that predate the extra checksum also ignore 
any extra data, so this isn't a problem. This matches the API change made in
r176745.

llvm-svn: 176746
 2013-03-09 01:33:12 +00:00
Nick Lewycky 8015c6ee2f Take the GCDA version string as an input to llvm_gcda_start_file. 
llvm-svn: 176618
 2013-03-07 08:28:54 +00:00
Nick Lewycky 1052c99f46 Holy macaroons, somebody made a copy of llvm/runtime/profile/GCDAProfiling.c, 
didn't delete the original, and now they've diverged. I have no idea what's
going on. Apply my patch in r176173 to this one too, this one looks newer?

llvm-svn: 176236
 2013-02-28 07:00:13 +00:00
Bill Wendling b556d5f13c Remove debugging code. 
llvm-svn: 164052
 2012-09-17 20:43:11 +00:00
Bill Wendling 06fb5f0cc2 Remove unused variable. 
llvm-svn: 163930
 2012-09-14 20:23:31 +00:00
Bill Wendling 66429fe1c7 Add support for reading the GCDA file and merging the arc information. 
With the advent of the __llvm_gcov_flush function, we need to be able to merge
counts into the .gcda files in an intelligent manner. This involves reading the
file if it exists, adding the counts together, and then writing the results.
<rdar://problem/12185886>

llvm-svn: 163923
 2012-09-14 18:55:32 +00:00
Bill Wendling f11b42e396 Free the allocated filename. Found by clang static analyzer. 
llvm-svn: 158514
 2012-06-15 09:12:04 +00:00
Bill Wendling aa888a29eb Add support for the GCOV_PREFIX_STRIP env variable which tries to strip off the first 'n' directories from the filename. 
llvm-svn: 157574
 2012-05-28 10:09:01 +00:00
Bill Wendling 65adec933d Simplify the logic that tries to open the GCDA file at all costs. Basically, if 
we can't open the file even after creating all of the directories to it, then
just give up.

llvm-svn: 157572
 2012-05-28 09:46:43 +00:00
Bill Wendling bba2a7d46d * A bit of cleanup of the 'recursive_mkdir'. No functionality change. 
* Check for absolute paths before using the GCOV_PREFIX.
* Don't add an ending path separator if there's already one.

llvm-svn: 157571
 2012-05-28 09:41:48 +00:00
Bill Wendling f16084723c Don't use 'strrchr', which isn't implemented here yet. 
llvm-svn: 157560
 2012-05-28 02:50:53 +00:00
Bill Wendling 74f987f3b6 Sync with old GCOV runtime library's file. 
llvm-svn: 157559
 2012-05-28 02:34:34 +00:00
Daniel Dunbar 2003d39f7c build: Add ModuleName per-subdir variable as a way to organize the different 
sets of functions/objects into high level groups. Currently we have "builtins"
(the main compiler-rt code), "profile", and "asan".
 - Use this to define CommonFunctions and ArchFunctions to only reference the
   builtins functions.

llvm-svn: 145674
 2011-12-02 02:42:07 +00:00
Daniel Dunbar fb16114782 lib: Import GCDA profiling support from LLVM. 
- I'm in the process of moving this here but it will live in both places until
   the ancilliary support is ready.
 - Currently unused.

llvm-svn: 144865
 2011-11-17 00:12:10 +00:00