move all codegen source in to codegen/ dir

makefile

@@ -629,7 +629,7 @@ generated-code = \
 	$(build)/type-name-initializations.cpp \
 	$(build)/type-maps.cpp
 
-vm-depends := $(generated-code) $(wildcard $(src)/*.h)
+vm-depends := $(generated-code) $(wildcard $(src)/*.h) $(wildcard $(src)/codegen/*.h)
 
 vm-sources = \
 	$(src)/$(system).cpp \
@@ -658,8 +658,8 @@ embed-objects = $(call cpp-objects,$(embed-sources),$(src),$(build-embed))
 
 ifeq ($(process),compile)
 	vm-sources += \
-		$(src)/compiler.cpp \
-		$(src)/$(target-asm).cpp
+		$(src)/codegen/compiler.cpp \
+		$(src)/codegen/$(target-asm)/assembler.cpp
 
 	vm-asm-sources += $(src)/compile-$(asm).S
 endif

src/codegen/arm/assembler.cpp

@@ -9,7 +9,7 @@
    details. */
 
 #include "assembler.h"
-#include "vector.h"
+#include "alloc-vector.h"
 
 #define CAST1(x) reinterpret_cast<UnaryOperationType>(x)
 #define CAST2(x) reinterpret_cast<BinaryOperationType>(x)

src/codegen/powerpc/assembler.cpp

@@ -9,7 +9,7 @@
    details. */
 
 #include "assembler.h"
-#include "vector.h"
+#include "alloc-vector.h"
 
 #define CAST1(x) reinterpret_cast<UnaryOperationType>(x)
 #define CAST2(x) reinterpret_cast<BinaryOperationType>(x)

src/codegen/x86/assembler.cpp

@@ -9,9 +9,10 @@
    details. */
 
 #include "environment.h"
-#include "assembler.h"
 #include "target.h"
-#include "vector.h"
+#include "alloc-vector.h"
+
+#include "codegen/assembler.h"
 
 #include "util/runtime-array.h"
 

src/compile.cpp

@@ -10,11 +10,11 @@
 
 #include "machine.h"
 #include "util.h"
-#include "vector.h"
+#include "alloc-vector.h"
 #include "process.h"
-#include "assembler.h"
 #include "target.h"
-#include "compiler.h"
+#include "codegen/assembler.h"
+#include "codegen/compiler.h"
 #include "arch.h"
 
 #include "util/runtime-array.h"

src/processor.h

@@ -17,10 +17,11 @@
 #include "bootimage.h"
 #include "heapwalk.h"
 #include "zone.h"
-#include "assembler.h"
 
 namespace vm {
 
+class DelayedPromise;
+
 class Processor {
  public:
   class StackWalker;

src/target.h

@@ -12,6 +12,7 @@
 #define TARGET_H
 
 #include "target-fields.h"
+#include "common.h"
 
 namespace vm {