diff --git a/vm/code_heap.cpp b/vm/code_heap.cpp
old mode 100644
new mode 100755
index 2d2e975fb4..53eb011a9d
--- a/vm/code_heap.cpp
+++ b/vm/code_heap.cpp
@@ -6,18 +6,28 @@ namespace factor
 heap code;
 
 /* Allocate a code heap during startup */
-void init_code_heap(cell size)
+void factorvm::init_code_heap(cell size)
 {
 	new_heap(&code,size);
 }
 
-bool in_code_heap_p(cell ptr)
+void init_code_heap(cell size)
+{
+	return vm->init_code_heap(size);
+}
+
+bool factorvm::in_code_heap_p(cell ptr)
 {
 	return (ptr >= code.seg->start && ptr <= code.seg->end);
 }
 
+bool in_code_heap_p(cell ptr)
+{
+	return vm->in_code_heap_p(ptr);
+}
+
 /* Compile a word definition with the non-optimizing compiler. Allocates memory */
-void jit_compile_word(cell word_, cell def_, bool relocate)
+void factorvm::jit_compile_word(cell word_, cell def_, bool relocate)
 {
 	gc_root<word> word(word_);
 	gc_root<quotation> def(def_);
@@ -30,8 +40,13 @@ void jit_compile_word(cell word_, cell def_, bool relocate)
 	if(word->pic_tail_def != F) jit_compile(word->pic_tail_def,relocate);
 }
 
+void jit_compile_word(cell word_, cell def_, bool relocate)
+{
+	return vm->jit_compile_word(word_,def_,relocate);
+}
+
 /* Apply a function to every code block */
-void iterate_code_heap(code_heap_iterator iter)
+void factorvm::iterate_code_heap(code_heap_iterator iter)
 {
 	heap_block *scan = first_block(&code);
 
@@ -43,21 +58,36 @@ void iterate_code_heap(code_heap_iterator iter)
 	}
 }
 
+void iterate_code_heap(code_heap_iterator iter)
+{
+	return vm->iterate_code_heap(iter);
+}
+
 /* Copy literals referenced from all code blocks to newspace. Only for
 aging and nursery collections */
+void factorvm::copy_code_heap_roots()
+{
+	iterate_code_heap(factor::copy_literal_references);
+}
+
 void copy_code_heap_roots()
 {
-	iterate_code_heap(copy_literal_references);
+	return vm->copy_code_heap_roots();
 }
 
 /* Update pointers to words referenced from all code blocks. Only after
 defining a new word. */
-void update_code_heap_words()
+void factorvm::update_code_heap_words()
 {
-	iterate_code_heap(update_word_references);
+	iterate_code_heap(factor::update_word_references);
 }
 
-PRIMITIVE(modify_code_heap)
+void update_code_heap_words()
+{
+	return vm->update_code_heap_words();
+}
+
+inline void factorvm::vmprim_modify_code_heap()
 {
 	gc_root<array> alist(dpop());
 
@@ -108,8 +138,13 @@ PRIMITIVE(modify_code_heap)
 	update_code_heap_words();
 }
 
+PRIMITIVE(modify_code_heap)
+{
+	PRIMITIVE_GETVM()->vmprim_modify_code_heap();
+}
+
 /* Push the free space and total size of the code heap */
-PRIMITIVE(code_room)
+inline void factorvm::vmprim_code_room()
 {
 	cell used, total_free, max_free;
 	heap_usage(&code,&used,&total_free,&max_free);
@@ -119,14 +154,24 @@ PRIMITIVE(code_room)
 	dpush(tag_fixnum(max_free / 1024));
 }
 
+PRIMITIVE(code_room)
+{
+	PRIMITIVE_GETVM()->vmprim_code_room();
+}
+
 static unordered_map<heap_block *,char *> forwarding;
 
-code_block *forward_xt(code_block *compiled)
+code_block *factorvm::forward_xt(code_block *compiled)
 {
 	return (code_block *)forwarding[compiled];
 }
 
-void forward_frame_xt(stack_frame *frame)
+code_block *forward_xt(code_block *compiled)
+{
+	return vm->forward_xt(compiled);
+}
+
+void factorvm::forward_frame_xt(stack_frame *frame)
 {
 	cell offset = (cell)FRAME_RETURN_ADDRESS(frame) - (cell)frame_code(frame);
 	code_block *forwarded = forward_xt(frame_code(frame));
@@ -134,7 +179,12 @@ void forward_frame_xt(stack_frame *frame)
 	FRAME_RETURN_ADDRESS(frame) = (void *)((cell)forwarded + offset);
 }
 
-void forward_object_xts()
+void forward_frame_xt(stack_frame *frame)
+{
+	return vm->forward_frame_xt(frame);
+}
+
+void factorvm::forward_object_xts()
 {
 	begin_scan();
 
@@ -165,7 +215,7 @@ void forward_object_xts()
 		case CALLSTACK_TYPE:
 			{
 				callstack *stack = untag<callstack>(obj);
-				iterate_callstack_object(stack,forward_frame_xt);
+				iterate_callstack_object(stack,factor::forward_frame_xt);
 			}
 			break;
 		default:
@@ -176,8 +226,13 @@ void forward_object_xts()
 	end_scan();
 }
 
+void forward_object_xts()
+{
+	return vm->forward_object_xts();
+}
+
 /* Set the XT fields now that the heap has been compacted */
-void fixup_object_xts()
+void factorvm::fixup_object_xts()
 {
 	begin_scan();
 
@@ -205,11 +260,16 @@ void fixup_object_xts()
 	end_scan();
 }
 
+void fixup_object_xts()
+{
+	return vm->fixup_object_xts();
+}
+
 /* Move all free space to the end of the code heap. This is not very efficient,
 since it makes several passes over the code and data heaps, but we only ever
 do this before saving a deployed image and exiting, so performaance is not
 critical here */
-void compact_code_heap()
+void factorvm::compact_code_heap()
 {
 	/* Free all unreachable code blocks */
 	gc();
@@ -231,4 +291,9 @@ void compact_code_heap()
 	build_free_list(&code,size);
 }
 
+void compact_code_heap()
+{
+	return vm->compact_code_heap();
+}
+
 }
diff --git a/vm/vm.hpp b/vm/vm.hpp
index e829417d0b..0395876137 100644
--- a/vm/vm.hpp
+++ b/vm/vm.hpp
@@ -382,6 +382,21 @@ struct factorvm {
 	void fixup_labels(array *labels, code_block *compiled);
 	code_block *allot_code_block(cell size);
 	code_block *add_code_block(cell type,cell code_,cell labels_,cell relocation_,cell literals_);
+
+	//code_heap
+	void init_code_heap(cell size);
+	bool in_code_heap_p(cell ptr);
+	void jit_compile_word(cell word_, cell def_, bool relocate);
+	void iterate_code_heap(code_heap_iterator iter);
+	void copy_code_heap_roots();
+	void update_code_heap_words();
+	inline void vmprim_modify_code_heap();
+	inline void vmprim_code_room();
+	code_block *forward_xt(code_block *compiled);
+	void forward_frame_xt(stack_frame *frame);
+	void forward_object_xts();
+	void fixup_object_xts();
+	void compact_code_heap();
 	// next method here: