[sanitizers] trace buffer API to use user-allocated buffer.
Differential Revision: https://reviews.llvm.org/D23185
llvm-svn: 277859
diff --git a/llvm/lib/Fuzzer/FuzzerExtFunctions.def b/llvm/lib/Fuzzer/FuzzerExtFunctions.def
index f7dcf9b..cbd0dfb 100644
--- a/llvm/lib/Fuzzer/FuzzerExtFunctions.def
+++ b/llvm/lib/Fuzzer/FuzzerExtFunctions.def
@@ -29,7 +29,8 @@
EXT_FUNC(__lsan_enable, void, (), false);
EXT_FUNC(__lsan_disable, void, (), false);
EXT_FUNC(__lsan_do_recoverable_leak_check, int, (), false);
-EXT_FUNC(__sanitizer_get_coverage_pc_buffer, uintptr_t, (uintptr_t**), true);
+EXT_FUNC(__sanitizer_set_coverage_pc_buffer, void, (uintptr_t*, uintptr_t), true);
+EXT_FUNC(__sanitizer_get_coverage_pc_buffer_pos, uintptr_t, (), true);
EXT_FUNC(__sanitizer_get_number_of_counters, size_t, (), false);
EXT_FUNC(__sanitizer_install_malloc_and_free_hooks, int,
(void (*malloc_hook)(const volatile void *, size_t),