Patch for compiling art to run on linux target
This patch extends the build system to compile art for an aarch64
linux target.
Change-Id: If7fa10fcbb2a6e02a969f244be6e8354e36b6873
diff --git a/runtime/globals.h b/runtime/globals.h
index e7ea6f3..477cbdf 100644
--- a/runtime/globals.h
+++ b/runtime/globals.h
@@ -51,11 +51,31 @@
static constexpr bool kIsDebugBuild = true;
#endif
-// Whether or not this is a target (vs host) build. Useful in conditionals where ART_TARGET isn't.
+// ART_TARGET - Defined for target builds of ART.
+// ART_TARGET_LINUX - Defined for target Linux builds of ART.
+// ART_TARGET_ANDROID - Defined for target Android builds of ART.
+// Note: Either ART_TARGET_LINUX or ART_TARGET_ANDROID need to be set when ART_TARGET is set.
+// Note: When ART_TARGET_LINUX is defined mem_map.h will not be using Ashmem for memory mappings
+// (usually only available on Android kernels).
#if defined(ART_TARGET)
+// Useful in conditionals where ART_TARGET isn't.
static constexpr bool kIsTargetBuild = true;
+#if defined(ART_TARGET_LINUX)
+static constexpr bool kIsTargetLinux = true;
+#elif defined(ART_TARGET_ANDROID)
+static constexpr bool kIsTargetLinux = false;
+#else
+#error "Either ART_TARGET_LINUX or ART_TARGET_ANDROID needs to be defined for target builds."
+#endif
#else
static constexpr bool kIsTargetBuild = false;
+#if defined(ART_TARGET_LINUX)
+#error "ART_TARGET_LINUX defined for host build."
+#elif defined(ART_TARGET_ANDROID)
+#error "ART_TARGET_ANDROID defined for host build."
+#else
+static constexpr bool kIsTargetLinux = false;
+#endif
#endif
// Garbage collector constants.