[llvm] r292681 - [libFuzzer] call __sanitizer_dump_coverage via EF

[Kostya Serebryany via llvm-commits]

Author: kcc
Date: Fri Jan 20 17:35:29 2017
New Revision: 292681

URL: http://llvm.org/viewvc/llvm-project?rev=292681&view=rev
Log:
[libFuzzer] call __sanitizer_dump_coverage via  EF

Modified:
    llvm/trunk/lib/Fuzzer/FuzzerExtFunctions.def
    llvm/trunk/lib/Fuzzer/FuzzerTracePC.cpp

Modified: llvm/trunk/lib/Fuzzer/FuzzerExtFunctions.def
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Fuzzer/FuzzerExtFunctions.def?rev=292681&r1=292680&r2=292681&view=diff
==============================================================================
--- llvm/trunk/lib/Fuzzer/FuzzerExtFunctions.def (original)
+++ llvm/trunk/lib/Fuzzer/FuzzerExtFunctions.def Fri Jan 20 17:35:29 2017
@@ -48,3 +48,5 @@ EXT_FUNC(__sanitizer_set_death_callback,
 EXT_FUNC(__sanitizer_set_report_fd, void, (void*), false);
 EXT_FUNC(__sanitizer_update_counter_bitset_and_clear_counters, uintptr_t,
   (uint8_t*), false);
+EXT_FUNC(__sanitizer_dump_coverage, void, (const uintptr_t *, uintptr_t),
+         false);

Modified: llvm/trunk/lib/Fuzzer/FuzzerTracePC.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Fuzzer/FuzzerTracePC.cpp?rev=292681&r1=292680&r2=292681&view=diff
==============================================================================
--- llvm/trunk/lib/Fuzzer/FuzzerTracePC.cpp (original)
+++ llvm/trunk/lib/Fuzzer/FuzzerTracePC.cpp Fri Jan 20 17:35:29 2017
@@ -197,7 +197,8 @@ void TracePC::PrintCoverage() {
 }
 
 void TracePC::DumpCoverage() {
-  __sanitizer_dump_coverage(PCs, GetNumPCs());
+  if (EF->__sanitizer_dump_coverage)
+    EF->__sanitizer_dump_coverage(PCs, GetNumPCs());
 }
 
 // Value profile.