0.8.9.9:
[sbcl.git] / src / runtime / gc-common.c
index 891d717..a3e7366 100644 (file)
@@ -42,6 +42,7 @@
 
 #include <stdio.h>
 #include <signal.h>
+#include <string.h>
 #include "runtime.h"
 #include "sbcl.h"
 #include "os.h"
@@ -112,7 +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));
@@ -124,18 +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);
 }
 
@@ -144,14 +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) {
@@ -233,7 +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:
@@ -328,7 +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; 
@@ -408,6 +395,7 @@ size_code_header(lispobj *where)
     return nwords;
 }
 
+#ifndef LISP_FEATURE_X86
 static int
 scav_return_pc_header(lispobj *where, lispobj object)
 {
@@ -416,6 +404,7 @@ scav_return_pc_header(lispobj *where, lispobj object)
         (unsigned long) object);
     return 0; /* bogus return value to satisfy static type checking */
 }
+#endif /* LISP_FEATURE_X86 */
 
 static lispobj
 trans_return_pc_header(lispobj object)
@@ -460,6 +449,7 @@ scav_closure_header(lispobj *where, lispobj object)
 }
 #endif
 
+#ifndef LISP_FEATURE_X86
 static int
 scav_fun_header(lispobj *where, lispobj object)
 {
@@ -468,6 +458,7 @@ scav_fun_header(lispobj *where, lispobj object)
         (unsigned long) object);
     return 0; /* bogus return value to satisfy static type checking */
 }
+#endif /* LISP_FEATURE_X86 */
 
 static lispobj
 trans_fun_header(lispobj object)
@@ -769,7 +760,7 @@ 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;
@@ -784,7 +775,7 @@ 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;
@@ -803,7 +794,7 @@ trans_string(lispobj object)
 }
 
 static int
-size_string(lispobj *where)
+size_base_string(lispobj *where)
 {
     struct vector *vector;
     int length, nwords;
@@ -1529,17 +1520,25 @@ 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
@@ -1574,14 +1573,14 @@ 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
@@ -1624,7 +1623,7 @@ 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;
@@ -1632,10 +1631,18 @@ gc_init_tables(void)
        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
@@ -1674,13 +1681,13 @@ 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;
@@ -1724,7 +1731,7 @@ 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;
@@ -1732,10 +1739,18 @@ gc_init_tables(void)
        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
@@ -1770,7 +1785,8 @@ 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;
@@ -1778,7 +1794,6 @@ 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;