fix MSVC build

makefile

@@ -478,7 +478,8 @@ ifdef msvc
 		-DUSE_ATOMIC_OPERATIONS -DAVIAN_JAVA_HOME=\"$(javahome)\" \
 		-DAVIAN_EMBED_PREFIX=\"$(embed-prefix)\" \
 		-Fd$(build)/$(name).pdb -I"$(zlib)/include" -I$(src) -I"$(build)" \
-		-I"$(windows-java-home)/include" -I"$(windows-java-home)/include/win32"
+		-I"$(windows-java-home)/include" -I"$(windows-java-home)/include/win32" \
+		-DTARGET_BYTES_PER_WORD=$(pointer-size) -DTARGET_PLATFORM_WINDOWS
 	shared = -dll
 	lflags = -nologo -LIBPATH:"$(zlib)/lib" -DEFAULTLIB:ws2_32 \
 		-DEFAULTLIB:zlib -MANIFEST -debug

src/common.h

@@ -56,10 +56,12 @@ typedef unsigned __int64 uint64_t;
 #  ifdef _M_IX86
 typedef int32_t intptr_t;
 typedef uint32_t uintptr_t;
+#    define UINT64_C(x) x##LL
 #    define ARCH_x86_32
 #  elif defined _M_X64
 typedef int64_t intptr_t;
 typedef uint64_t uintptr_t;
+#    define UINT64_C(x) x##L
 #    define ARCH_x86_64
 #  else
 #    error "unsupported architecture"

src/finder.h

@@ -173,7 +173,7 @@ class Finder {
   virtual void dispose() = 0;
 };
 
-Finder*
+JNIEXPORT Finder*
 makeFinder(System* s, Allocator* a, const char* path, const char* bootLibrary);
 
 Finder*

src/machine.h

@@ -3884,10 +3884,10 @@ errorLog(Thread* t)
 
 } // namespace vm
 
-void
+JNIEXPORT void
 vmPrintTrace(vm::Thread* t);
 
-void*
+JNIEXPORT void*
 vmAddressFromLine(vm::Thread* t, vm::object m, unsigned line);
 
 #endif//MACHINE_H

src/system.h

@@ -199,7 +199,7 @@ assert(System* s, bool v)
 
 #endif // not NDEBUG
 
-System*
+JNIEXPORT System*
 makeSystem(const char* crashDumpDirectory);
 
 } // namespace vm