[LibFuzzer] Add macro flags for Posix and Windows.

This is the beginning of an effort to get libfuzzer working on
Windows.  This is a NFC to just add some macros for platform
detection on Windows.

Patch by Marcos Pividori
Differential Revision: https://reviews.llvm.org/D27229

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@288249 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Fuzzer/FuzzerDefs.h b/lib/Fuzzer/FuzzerDefs.h
index 287e23c7afd5578ec6af7097a7dd5e18e64a9d8a..13aa212c96c30a5638b7534c5675406017b994f2 100644 (file)
--- a/lib/Fuzzer/FuzzerDefs.h
+++ b/lib/Fuzzer/FuzzerDefs.h
@@ -20,15 +20,23 @@
 
 // Platform detection.
 #ifdef __linux__
-#define LIBFUZZER_LINUX 1
 #define LIBFUZZER_APPLE 0
+#define LIBFUZZER_LINUX 1
+#define LIBFUZZER_WINDOWS 0
 #elif __APPLE__
-#define LIBFUZZER_LINUX 0
 #define LIBFUZZER_APPLE 1
+#define LIBFUZZER_LINUX 0
+#define LIBFUZZER_WINDOWS 0
+#elif _WIN32
+#define LIBFUZZER_APPLE 0
+#define LIBFUZZER_LINUX 0
+#define LIBFUZZER_WINDOWS 1
 #else
 #error "Support for your platform has not been implemented"
 #endif
 
+#define LIBFUZZER_POSIX LIBFUZZER_APPLE || LIBFUZZER_LINUX
+
 #ifdef __x86_64
 #define ATTRIBUTE_TARGET_POPCNT __attribute__((target("popcnt")))
 #else