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0.8.7.11:
[sbcl.git] / src / runtime / gc-common.c
diff --git a/src/runtime/gc-common.c b/src/runtime/gc-common.c
index 0209fc7..26bc938 100644 (file)
--- a/src/runtime/gc-common.c
+++ b/src/runtime/gc-common.c
@@ -42,6 +42,7 @@
 
 #include <stdio.h>
 #include <signal.h>
+#include <string.h>
 #include "runtime.h"
 #include "sbcl.h"
 #include "os.h"
@@ -52,7 +53,8 @@
 #include "lispregs.h"
 #include "arch.h"
 #include "gc.h"
-#include "primitive-objects.h"
+#include "genesis/primitive-objects.h"
+#include "genesis/static-symbols.h"
 #include "gc-internal.h"
 
 #ifdef LISP_FEATURE_SPARC
@@ -98,6 +100,9 @@ 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
  */
@@ -108,7 +113,6 @@ copy_object(lispobj object, int nwords)
 {
     int tag;
     lispobj *new;
-    lispobj *source, *dest;
 
     gc_assert(is_lisp_pointer(object));
     gc_assert(from_space_p(object));
@@ -120,18 +124,8 @@ copy_object(lispobj object, int nwords)
     /* Allocate space. */
     new = gc_general_alloc(nwords*4,ALLOC_BOXED,ALLOC_QUICK);
 
-    dest = new;
-    source = (lispobj *) native_pointer(object);
-
     /* Copy the object. */
-    while (nwords > 0) {
-       dest[0] = source[0];
-       dest[1] = source[1];
-       dest += 2;
-       source += 2;
-       nwords -= 2;
-    }
-
+    memcpy(new,native_pointer(object),nwords*4);
     return make_lispobj(new,tag);
 }
 
@@ -140,14 +134,12 @@ static int scav_lose(lispobj *where, lispobj object); /* forward decl */
 /* FIXME: Most calls end up going to some trouble to compute an
  * 'n_words' value for this function. The system might be a little
  * simpler if this function used an 'end' parameter instead. */
-
 void
 scavenge(lispobj *start, long n_words)
 {
     lispobj *end = start + n_words;
     lispobj *object_ptr;
     int n_words_scavenged;
-    
     for (object_ptr = start;
         object_ptr < end;
         object_ptr += n_words_scavenged) {
@@ -229,7 +221,6 @@ scav_fun_pointer(lispobj *where, lispobj object)
 
     switch (widetag_of(*first_pointer)) {
     case SIMPLE_FUN_HEADER_WIDETAG:
-    case CLOSURE_FUN_HEADER_WIDETAG:
        copy = trans_fun_header(object);
        break;
     default:
@@ -324,7 +315,7 @@ trans_code(struct code *code)
                
        /* fix self pointer. */
        nfheaderp->self =
-#ifdef LISP_FEATURE_GENCGC     /* GENCGC?  Maybe x86 is better conditional  */
+#ifdef LISP_FEATURE_X86
            FUN_RAW_ADDR_OFFSET +
 #endif
            nfheaderl; 
@@ -765,7 +756,7 @@ static int
 
 #define NWORDS(x,y) (CEILING((x),(y)) / (y))
 
-scav_string(lispobj *where, lispobj object)
+scav_base_string(lispobj *where, lispobj object)
 {
     struct vector *vector;
     int length, nwords;
@@ -780,7 +771,7 @@ scav_string(lispobj *where, lispobj object)
     return nwords;
 }
 static lispobj
-trans_string(lispobj object)
+trans_base_string(lispobj object)
 {
     struct vector *vector;
     int length, nwords;
@@ -799,7 +790,7 @@ trans_string(lispobj object)
 }
 
 static int
-size_string(lispobj *where)
+size_base_string(lispobj *where)
 {
     struct vector *vector;
     int length, nwords;
@@ -845,6 +836,26 @@ 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;
@@ -1505,16 +1516,25 @@ gc_init_tables(void)
     scavtab[COMPLEX_LONG_FLOAT_WIDETAG] = scav_unboxed;
 #endif
     scavtab[SIMPLE_ARRAY_WIDETAG] = scav_boxed;
-    scavtab[SIMPLE_STRING_WIDETAG] = scav_string;
+    scavtab[SIMPLE_BASE_STRING_WIDETAG] = scav_base_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] =
        scav_vector_unsigned_byte_4;
+    scavtab[SIMPLE_ARRAY_UNSIGNED_BYTE_7_WIDETAG] =
+       scav_vector_unsigned_byte_8;
     scavtab[SIMPLE_ARRAY_UNSIGNED_BYTE_8_WIDETAG] =
        scav_vector_unsigned_byte_8;
+    scavtab[SIMPLE_ARRAY_UNSIGNED_BYTE_15_WIDETAG] =
+       scav_vector_unsigned_byte_16;
     scavtab[SIMPLE_ARRAY_UNSIGNED_BYTE_16_WIDETAG] =
        scav_vector_unsigned_byte_16;
+    scavtab[SIMPLE_ARRAY_UNSIGNED_BYTE_29_WIDETAG] =
+       scav_vector_unsigned_byte_32;
+    scavtab[SIMPLE_ARRAY_UNSIGNED_BYTE_31_WIDETAG] =
+       scav_vector_unsigned_byte_32;
     scavtab[SIMPLE_ARRAY_UNSIGNED_BYTE_32_WIDETAG] =
        scav_vector_unsigned_byte_32;
 #ifdef SIMPLE_ARRAY_SIGNED_BYTE_8_WIDETAG
@@ -1549,14 +1569,14 @@ gc_init_tables(void)
     scavtab[SIMPLE_ARRAY_COMPLEX_LONG_FLOAT_WIDETAG] =
        scav_vector_complex_long_float;
 #endif
-    scavtab[COMPLEX_STRING_WIDETAG] = scav_boxed;
+    scavtab[COMPLEX_BASE_STRING_WIDETAG] = scav_boxed;
+    scavtab[COMPLEX_VECTOR_NIL_WIDETAG] = scav_boxed;
     scavtab[COMPLEX_BIT_VECTOR_WIDETAG] = scav_boxed;
     scavtab[COMPLEX_VECTOR_WIDETAG] = scav_boxed;
     scavtab[COMPLEX_ARRAY_WIDETAG] = scav_boxed;
     scavtab[CODE_HEADER_WIDETAG] = scav_code_header;
 #ifndef LISP_FEATURE_GENCGC    /* FIXME ..._X86 ? */
     scavtab[SIMPLE_FUN_HEADER_WIDETAG] = scav_fun_header;
-    scavtab[CLOSURE_FUN_HEADER_WIDETAG] = scav_fun_header;
     scavtab[RETURN_PC_HEADER_WIDETAG] = scav_return_pc_header;
 #endif
 #ifdef LISP_FEATURE_X86
@@ -1599,17 +1619,26 @@ gc_init_tables(void)
     transother[COMPLEX_LONG_FLOAT_WIDETAG] = trans_unboxed;
 #endif
     transother[SIMPLE_ARRAY_WIDETAG] = trans_boxed; /* but not GENCGC */
-    transother[SIMPLE_STRING_WIDETAG] = trans_string;
+    transother[SIMPLE_BASE_STRING_WIDETAG] = trans_base_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] =
        trans_vector_unsigned_byte_4;
+    transother[SIMPLE_ARRAY_UNSIGNED_BYTE_7_WIDETAG] =
+       trans_vector_unsigned_byte_8;
     transother[SIMPLE_ARRAY_UNSIGNED_BYTE_8_WIDETAG] =
        trans_vector_unsigned_byte_8;
+    transother[SIMPLE_ARRAY_UNSIGNED_BYTE_15_WIDETAG] =
+       trans_vector_unsigned_byte_16;
     transother[SIMPLE_ARRAY_UNSIGNED_BYTE_16_WIDETAG] =
        trans_vector_unsigned_byte_16;
+    transother[SIMPLE_ARRAY_UNSIGNED_BYTE_29_WIDETAG] =
+       trans_vector_unsigned_byte_32;
+    transother[SIMPLE_ARRAY_UNSIGNED_BYTE_31_WIDETAG] =
+       trans_vector_unsigned_byte_32;
     transother[SIMPLE_ARRAY_UNSIGNED_BYTE_32_WIDETAG] =
        trans_vector_unsigned_byte_32;
 #ifdef SIMPLE_ARRAY_SIGNED_BYTE_8_WIDETAG
@@ -1648,13 +1677,13 @@ gc_init_tables(void)
     transother[SIMPLE_ARRAY_COMPLEX_LONG_FLOAT_WIDETAG] =
        trans_vector_complex_long_float;
 #endif
-    transother[COMPLEX_STRING_WIDETAG] = trans_boxed;
+    transother[COMPLEX_BASE_STRING_WIDETAG] = trans_boxed;
     transother[COMPLEX_BIT_VECTOR_WIDETAG] = trans_boxed;
+    transother[COMPLEX_VECTOR_NIL_WIDETAG] = trans_boxed;
     transother[COMPLEX_VECTOR_WIDETAG] = trans_boxed;
     transother[COMPLEX_ARRAY_WIDETAG] = trans_boxed;
     transother[CODE_HEADER_WIDETAG] = trans_code_header;
     transother[SIMPLE_FUN_HEADER_WIDETAG] = trans_fun_header;
-    transother[CLOSURE_FUN_HEADER_WIDETAG] = trans_fun_header;
     transother[RETURN_PC_HEADER_WIDETAG] = trans_return_pc_header;
     transother[CLOSURE_HEADER_WIDETAG] = trans_boxed;
     transother[FUNCALLABLE_INSTANCE_HEADER_WIDETAG] = trans_boxed;
@@ -1698,17 +1727,26 @@ gc_init_tables(void)
     sizetab[COMPLEX_LONG_FLOAT_WIDETAG] = size_unboxed;
 #endif
     sizetab[SIMPLE_ARRAY_WIDETAG] = size_boxed;
-    sizetab[SIMPLE_STRING_WIDETAG] = size_string;
+    sizetab[SIMPLE_BASE_STRING_WIDETAG] = size_base_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] =
        size_vector_unsigned_byte_4;
+    sizetab[SIMPLE_ARRAY_UNSIGNED_BYTE_7_WIDETAG] =
+       size_vector_unsigned_byte_8;
     sizetab[SIMPLE_ARRAY_UNSIGNED_BYTE_8_WIDETAG] =
        size_vector_unsigned_byte_8;
+    sizetab[SIMPLE_ARRAY_UNSIGNED_BYTE_15_WIDETAG] =
+       size_vector_unsigned_byte_16;
     sizetab[SIMPLE_ARRAY_UNSIGNED_BYTE_16_WIDETAG] =
        size_vector_unsigned_byte_16;
+    sizetab[SIMPLE_ARRAY_UNSIGNED_BYTE_29_WIDETAG] =
+       size_vector_unsigned_byte_32;
+    sizetab[SIMPLE_ARRAY_UNSIGNED_BYTE_31_WIDETAG] =
+       size_vector_unsigned_byte_32;
     sizetab[SIMPLE_ARRAY_UNSIGNED_BYTE_32_WIDETAG] =
        size_vector_unsigned_byte_32;
 #ifdef SIMPLE_ARRAY_SIGNED_BYTE_8_WIDETAG
@@ -1743,7 +1781,8 @@ gc_init_tables(void)
     sizetab[SIMPLE_ARRAY_COMPLEX_LONG_FLOAT_WIDETAG] =
        size_vector_complex_long_float;
 #endif
-    sizetab[COMPLEX_STRING_WIDETAG] = size_boxed;
+    sizetab[COMPLEX_BASE_STRING_WIDETAG] = size_boxed;
+    sizetab[COMPLEX_VECTOR_NIL_WIDETAG] = size_boxed;
     sizetab[COMPLEX_BIT_VECTOR_WIDETAG] = size_boxed;
     sizetab[COMPLEX_VECTOR_WIDETAG] = size_boxed;
     sizetab[COMPLEX_ARRAY_WIDETAG] = size_boxed;
@@ -1751,7 +1790,6 @@ gc_init_tables(void)
 #if 0
     /* We shouldn't see these, so just lose if it happens. */
     sizetab[SIMPLE_FUN_HEADER_WIDETAG] = size_function_header;
-    sizetab[CLOSURE_FUN_HEADER_WIDETAG] = size_function_header;
     sizetab[RETURN_PC_HEADER_WIDETAG] = size_return_pc_header;
 #endif
     sizetab[CLOSURE_HEADER_WIDETAG] = size_boxed;
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