0.8.0.16:

[sbcl.git] / src / runtime / gc-common.c

diff --git a/src/runtime/gc-common.c b/src/runtime/gc-common.c
index 8610294..891d717 100644 (file)
--- a/src/runtime/gc-common.c
+++ b/src/runtime/gc-common.c
@@ -99,6 +99,9 @@ lispobj (*transother[256])(lispobj object);
 int (*sizetab[256])(lispobj *where);
 struct weak_pointer *weak_pointers;
 
+unsigned long bytes_consed_between_gcs = 12*1024*1024;
+
+
 /*
  * copying objects
  */
@@ -846,6 +849,26 @@ size_vector(lispobj *where)
 }
 
 static int
+scav_vector_nil(lispobj *where, lispobj object)
+{
+    return 2;
+}
+
+static lispobj
+trans_vector_nil(lispobj object)
+{
+    gc_assert(is_lisp_pointer(object));
+    return copy_unboxed_object(object, 2);
+}
+
+static int
+size_vector_nil(lispobj *where)
+{
+    /* Just the header word and the length word */
+    return 2;
+}
+
+static int
 scav_vector_bit(lispobj *where, lispobj object)
 {
     struct vector *vector;
@@ -1508,6 +1531,7 @@ gc_init_tables(void)
     scavtab[SIMPLE_ARRAY_WIDETAG] = scav_boxed;
     scavtab[SIMPLE_STRING_WIDETAG] = scav_string;
     scavtab[SIMPLE_BIT_VECTOR_WIDETAG] = scav_vector_bit;
+    scavtab[SIMPLE_ARRAY_NIL_WIDETAG] = scav_vector_nil;
     scavtab[SIMPLE_ARRAY_UNSIGNED_BYTE_2_WIDETAG] =
        scav_vector_unsigned_byte_2;
     scavtab[SIMPLE_ARRAY_UNSIGNED_BYTE_4_WIDETAG] =
@@ -1603,6 +1627,7 @@ gc_init_tables(void)
     transother[SIMPLE_STRING_WIDETAG] = trans_string;
     transother[SIMPLE_BIT_VECTOR_WIDETAG] = trans_vector_bit;
     transother[SIMPLE_VECTOR_WIDETAG] = trans_vector;
+    transother[SIMPLE_ARRAY_NIL_WIDETAG] = trans_vector_nil;
     transother[SIMPLE_ARRAY_UNSIGNED_BYTE_2_WIDETAG] =
        trans_vector_unsigned_byte_2;
     transother[SIMPLE_ARRAY_UNSIGNED_BYTE_4_WIDETAG] =
@@ -1702,6 +1727,7 @@ gc_init_tables(void)
     sizetab[SIMPLE_STRING_WIDETAG] = size_string;
     sizetab[SIMPLE_BIT_VECTOR_WIDETAG] = size_vector_bit;
     sizetab[SIMPLE_VECTOR_WIDETAG] = size_vector;
+    sizetab[SIMPLE_ARRAY_NIL_WIDETAG] = size_vector_nil;
     sizetab[SIMPLE_ARRAY_UNSIGNED_BYTE_2_WIDETAG] =
        size_vector_unsigned_byte_2;
     sizetab[SIMPLE_ARRAY_UNSIGNED_BYTE_4_WIDETAG] =