[libFuzzer] call __sanitizer_dump_coverage via EF

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292681 91177308-0d34-0410-b5e6-96231b3b80d8
simoatze · Jan 20, 2017 · 02e6813 · 02e6813
1 parent 31027cd
commit 02e6813
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/lib/Fuzzer/FuzzerExtFunctions.def b/lib/Fuzzer/FuzzerExtFunctions.def
@@ -48,3 +48,5 @@ EXT_FUNC(__sanitizer_set_death_callback, void, (void (*)(void)), true);
 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);
diff --git a/lib/Fuzzer/FuzzerTracePC.cpp b/lib/Fuzzer/FuzzerTracePC.cpp
@@ -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.