Removed x86 code to create skeleton aarch64 tree

renamed all files in cpu and os_cpu tree with _x86 in their name
to employ aarch64 instead

modifed all shared files to include aarch64 specific files under new
name when TARGET_ARCH_aarch64 is defined -- or alternatively when
TARGET_ARCH_MODEL_aarch64 is defined in cases where there was a split
between including x86_32 and x86/64 code.

modified make system to build aarch64 server target with only the C1
compiler (yet, for execution on the amd64 platform) if SRCARCH=aarch64
is defined on the make command line

gutted all x86-specific content from new aarch64 headers/sources,
including static init, and inserted call to Undefined() in all method
bodies

added missing definition for class MacroAssembler anda few other
necessary classes to assembler_aarch64.cpp and provided dummy stubs to
allow Assembler to be driven.

Removed the test code call which was in the template interpreter (from
method generate_AARM64_loop()).

Added a new file aarch64Test.cpp which provides a test hook method to
drive the test method entry() found in assembler_aarch64.cpp and then
exit. Arranged for this test hook method to be called under the jvm
bootstrap init method at the first call into arch-specific code (in
icache_aarch64.cpp).

Added a minimal aarch64.ad architecture definition file but this is
not really needed since we ar eonly building a C1 runtime.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/share/vm/c1/c1_Defs.hpp b/src/share/vm/c1/c1_Defs.hpp
index bebb3b0be..b0cd76373 100644
--- a/src/share/vm/c1/c1_Defs.hpp
+++ b/src/share/vm/c1/c1_Defs.hpp
@@ -29,6 +29,9 @@
 #ifdef TARGET_ARCH_x86
 # include "register_x86.hpp"
 #endif
+#ifdef TARGET_ARCH_aarch64
+# include "register_aarch64.hpp"
+#endif
 #ifdef TARGET_ARCH_sparc
 # include "register_sparc.hpp"
 #endif
@@ -53,6 +56,9 @@ enum {
 #ifdef TARGET_ARCH_x86
 # include "c1_Defs_x86.hpp"
 #endif
+#ifdef TARGET_ARCH_aarch64
+# include "c1_Defs_aarch64.hpp"
+#endif
 #ifdef TARGET_ARCH_sparc
 # include "c1_Defs_sparc.hpp"
 #endif