X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fglobals.c;h=2dee4ce2b84ab8e128c4a31c6df38132bf14d271;hb=3bbbfec26f90bc005c2ff5c8de0ceb0f95f1a52b;hp=de9389a3307718cacb8ee09aa5934397d673e70f;hpb=dfa55a883f94470267b626dae77ce7e7dfac3df6;p=sbcl.git

diff --git a/src/runtime/globals.c b/src/runtime/globals.c
index de9389a..2dee4ce 100644
--- a/src/runtime/globals.c
+++ b/src/runtime/globals.c
@@ -37,13 +37,13 @@ lispobj *current_binding_stack_pointer;
 lispobj *dynamic_space_free_pointer;
 #endif
 
-#ifndef INTERNAL_GC_TRIGGER
+#ifndef GENCGC /* since GENCGC has its own way to record trigger */
 lispobj *current_auto_gc_trigger;
 #endif
 
-/* for copying GCs, this points to the start of the dynamic space
+/* For copying GCs, this points to the start of the dynamic space
  * currently in use (that will become the from_space when the next GC
- * is done).  For the GENCGC, it always points to DYNAMIC_0_SPACE_START */
+ * is done).  For the GENCGC, it always points to DYNAMIC_SPACE_START. */
 lispobj *current_dynamic_space;
 
 void globals_init(void)
@@ -51,7 +51,7 @@ void globals_init(void)
     /* Space, stack, and free pointer vars are initialized by
      * validate() and coreparse(). */
 
-#ifndef INTERNAL_GC_TRIGGER
+#ifndef GENCGC /* since GENCGC has its own way to record trigger */
     /* no GC trigger yet */
     current_auto_gc_trigger = NULL;
 #endif
@@ -60,7 +60,7 @@ void globals_init(void)
     foreign_function_call_active = 1;
 
     /* Initialize the current Lisp state. */
-#ifndef __i386__
+#ifndef __i386__ /* if stack grows upward */
     current_control_stack_pointer = (lispobj *)CONTROL_STACK_START;
 #else
     current_control_stack_pointer = (lispobj *)CONTROL_STACK_END;