Remove arch-specific init functions from addressSpace interface

This makes the interface cleaner, allows for expansion without modifying
the addressSpace class, and doesn't require stub functions on platforms
that don't support all of the bit widths.

dyninstAPI/src/inst-aarch64.C

@@ -78,11 +78,7 @@ void initDefaultPointFrequencyTable() {
 
 /************************************* Register Space **************************************/
 
-void registerSpace::initialize32() {
-    assert(!"No 32-bit implementation for the ARM architecture!");
-}
-
-void registerSpace::initialize64() {
+static void initialize64() {
     static bool done = false;
     if (done)
         return;

dyninstAPI/src/inst-power.C

@@ -114,7 +114,7 @@ unsigned int floatingLiveRegListSize = 14;
 // of saves that we execute. 
 
 
-void registerSpace::initialize32() {
+static void initialize32() {
     static bool done = false;
     if (done) return;
     done = true;
@@ -251,7 +251,7 @@ void registerSpace::initialize32() {
 
 }
 
-void registerSpace::initialize64() {
+static void initialize64() {
     static bool done = false;
     if (done) return;
     done = true;

dyninstAPI/src/inst-x86.C

@@ -91,7 +91,7 @@ extern "C" int cpuidCall();
  * an instruction -- used for allocating the new area
  */
 
-void registerSpace::initialize32() {
+static void initialize32() {
     static bool done = false;
     if (done) return;
     done = true;
@@ -198,7 +198,7 @@ void registerSpace::initialize32() {
 }
 
 #if defined arch_x86_64
-void registerSpace::initialize64() {
+static void initialize64() {
     static bool done = false;
     if (done) return;
     done = true;

dyninstAPI/src/registerSpace.h

@@ -435,9 +435,6 @@ class registerSpace {
     std::vector<registerSlot *> realRegisters_;
 
     static void initialize();
-    static void initialize32();
-    static void initialize64();
-
 
     registerSpace &operator=(const registerSpace &src);