Revert "Modified objects initialization to support re-entry."

This reverts commit c3eefefc99.

src/allmain.c

@@ -33,7 +33,9 @@ boolean resuming;
     /* Note:  these initializers don't do anything except guarantee that
             we're linked properly.
     */
+    decl_init();
     monst_init();
+    objects_init();
 
     /* if a save file created in normal mode is now being restored in
        explore mode, treat it as normal restore followed by 'X' command

src/decl.c

@@ -318,6 +318,13 @@ const char *ARGV0;
 /* support for lint.h */
 unsigned nhUse_dummy = 0;
 
+/* dummy routine used to force linkage */
+void
+decl_init()
+{
+    return;
+}
+
 #define IVMAGIC 0xdeadbeef
 
 const struct instance_globals g_init = {
@@ -413,7 +420,7 @@ const struct instance_globals g_init = {
 struct instance_globals g;
 
 void 
-decl_globals_init() 
+instance_globals_init() 
 {
     g = g_init;
 

src/objects.c

@@ -61,7 +61,7 @@ struct monst { struct monst *dummy; };  /* lint: struct obj's union */
                cost,sdam,ldam,oc1,oc2,nut,color)  { obj }
 #define None (char *) 0 /* less visual distraction for 'no description' */
 
-NEARDATA struct objdescr obj_descr_init[] =
+NEARDATA struct objdescr obj_descr[] =
 #else
 /* second pass -- object definitions */
 #define BITS(nmkn,mrg,uskn,ctnr,mgc,chrg,uniq,nwsh,big,tuf,dir,sub,mtrl) \
@@ -75,7 +75,7 @@ NEARDATA struct objdescr obj_descr_init[] =
 #define HARDGEM(n) (0)
 #endif
 
-NEARDATA struct objclass obj_init[] =
+NEARDATA struct objclass objects[] =
 #endif
 {
 /* dummy object[0] -- description [2nd arg] *must* be NULL */
@@ -1169,14 +1169,13 @@ OBJECT(OBJ(None, None),
 /* clang-format on */
 /* *INDENT-ON* */
 
-struct objdescr obj_descr[SIZE(obj_descr_init)];
-struct objclass objects[SIZE(obj_init)];
+void NDECL(objects_init);
 
+/* dummy routine used to force linkage */
 void
-objects_globals_init()
+objects_init()
 {
-    memcpy(obj_descr, obj_descr_init, sizeof(obj_descr));
-    memcpy(objects, obj_init, sizeof(objects));
+    return;
 }
 
 #endif /* !OBJECTS_PASS_2_ */

src/sys.c

@@ -20,9 +20,6 @@ struct sysopt sysopt;
 void
 sys_early_init()
 {
-    decl_globals_init();
-    objects_globals_init();
-
     sysopt.support = (char *) 0;
     sysopt.recover = (char *) 0;
 #ifdef SYSCF