/*
- * Garbage Collection common functions for scavenging, moving and sizing
+ * Garbage Collection common functions for scavenging, moving and sizing
* objects. These are for use with both GC (stop & copy GC) and GENCGC
*/
#endif
#endif
-inline static boolean
+inline static boolean
forwarding_pointer_p(lispobj *pointer) {
- lispobj first_word=*pointer;
+ lispobj first_word=*pointer;
#ifdef LISP_FEATURE_GENCGC
return (first_word == 0x01);
#else
return (is_lisp_pointer(first_word)
- && new_space_p(first_word));
+ && new_space_p(first_word));
#endif
}
long n_words_scavenged;
for (object_ptr = start;
- object_ptr < end;
- object_ptr += n_words_scavenged) {
+ object_ptr < end;
+ object_ptr += n_words_scavenged) {
- lispobj object = *object_ptr;
+ lispobj object = *object_ptr;
#ifdef LISP_FEATURE_GENCGC
- gc_assert(!forwarding_pointer_p(object_ptr));
-#endif
- if (is_lisp_pointer(object)) {
- if (from_space_p(object)) {
- /* It currently points to old space. Check for a
- * forwarding pointer. */
- lispobj *ptr = native_pointer(object);
- if (forwarding_pointer_p(ptr)) {
- /* Yes, there's a forwarding pointer. */
- *object_ptr = LOW_WORD(forwarding_pointer_value(ptr));
- n_words_scavenged = 1;
- } else {
- /* Scavenge that pointer. */
- n_words_scavenged =
- (scavtab[widetag_of(object)])(object_ptr, object);
- }
- } else {
- /* It points somewhere other than oldspace. Leave it
- * alone. */
- n_words_scavenged = 1;
- }
- }
+ gc_assert(!forwarding_pointer_p(object_ptr));
+#endif
+ if (is_lisp_pointer(object)) {
+ if (from_space_p(object)) {
+ /* It currently points to old space. Check for a
+ * forwarding pointer. */
+ lispobj *ptr = native_pointer(object);
+ if (forwarding_pointer_p(ptr)) {
+ /* Yes, there's a forwarding pointer. */
+ *object_ptr = LOW_WORD(forwarding_pointer_value(ptr));
+ n_words_scavenged = 1;
+ } else {
+ /* Scavenge that pointer. */
+ n_words_scavenged =
+ (scavtab[widetag_of(object)])(object_ptr, object);
+ }
+ } else {
+ /* It points somewhere other than oldspace. Leave it
+ * alone. */
+ n_words_scavenged = 1;
+ }
+ }
#ifndef LISP_FEATURE_GENCGC
- /* this workaround is probably not necessary for gencgc; at least, the
- * behaviour it describes has never been reported */
- else if (n_words==1) {
- /* there are some situations where an
- other-immediate may end up in a descriptor
- register. I'm not sure whether this is
- supposed to happen, but if it does then we
- don't want to (a) barf or (b) scavenge over the
- data-block, because there isn't one. So, if
- we're checking a single word and it's anything
- other than a pointer, just hush it up */
- int type=widetag_of(object);
- n_words_scavenged=1;
-
- if ((scavtab[type]==scav_lose) ||
- (((scavtab[type])(start,object))>1)) {
- fprintf(stderr,"warning: attempted to scavenge non-descriptor value %x at %p. If you can\nreproduce this warning, send a bug report (see manual page for details)\n",
- object,start);
- }
- }
-#endif
- else if (fixnump(object)) {
- /* It's a fixnum: really easy.. */
- n_words_scavenged = 1;
- } else {
- /* It's some sort of header object or another. */
- n_words_scavenged =
- (scavtab[widetag_of(object)])(object_ptr, object);
- }
+ /* this workaround is probably not necessary for gencgc; at least, the
+ * behaviour it describes has never been reported */
+ else if (n_words==1) {
+ /* there are some situations where an
+ other-immediate may end up in a descriptor
+ register. I'm not sure whether this is
+ supposed to happen, but if it does then we
+ don't want to (a) barf or (b) scavenge over the
+ data-block, because there isn't one. So, if
+ we're checking a single word and it's anything
+ other than a pointer, just hush it up */
+ int type=widetag_of(object);
+ n_words_scavenged=1;
+
+ if ((scavtab[type]==scav_lose) ||
+ (((scavtab[type])(start,object))>1)) {
+ fprintf(stderr,"warning: attempted to scavenge non-descriptor value %x at %p. If you can\nreproduce this warning, send a bug report (see manual page for details)\n",
+ object,start);
+ }
+ }
+#endif
+ else if (fixnump(object)) {
+ /* It's a fixnum: really easy.. */
+ n_words_scavenged = 1;
+ } else {
+ /* It's some sort of header object or another. */
+ n_words_scavenged =
+ (scavtab[widetag_of(object)])(object_ptr, object);
+ }
}
gc_assert(object_ptr == end);
}
switch (widetag_of(*first_pointer)) {
case SIMPLE_FUN_HEADER_WIDETAG:
- copy = trans_fun_header(object);
- break;
+ copy = trans_fun_header(object);
+ break;
default:
- copy = trans_boxed(object);
- break;
+ copy = trans_boxed(object);
+ break;
}
if (copy != object) {
- /* Set forwarding pointer */
- set_forwarding_pointer(first_pointer,copy);
+ /* Set forwarding pointer */
+ set_forwarding_pointer(first_pointer,copy);
}
gc_assert(is_lisp_pointer(copy));
first = code->header;
if (forwarding_pointer_p((lispobj *)code)) {
#ifdef DEBUG_CODE_GC
- printf("Was already transported\n");
+ printf("Was already transported\n");
#endif
- return (struct code *) forwarding_pointer_value
- ((lispobj *)((pointer_sized_uint_t) code));
+ return (struct code *) forwarding_pointer_value
+ ((lispobj *)((pointer_sized_uint_t) code));
}
-
+
gc_assert(widetag_of(first) == CODE_HEADER_WIDETAG);
/* prepare to transport the code vector */
#if defined(DEBUG_CODE_GC)
printf("Old code object at 0x%08x, new code object at 0x%08x.\n",
- (unsigned long) code, (unsigned long) new_code);
+ (unsigned long) code, (unsigned long) new_code);
printf("Code object is %d words long.\n", nwords);
#endif
#ifdef LISP_FEATURE_GENCGC
if (new_code == code)
- return new_code;
+ return new_code;
#endif
displacement = l_new_code - l_code;
set_forwarding_pointer((lispobj *)code, l_new_code);
-
+
/* set forwarding pointers for all the function headers in the */
/* code object. also fix all self pointers */
prev_pointer = &new_code->entry_points;
while (fheaderl != NIL) {
- struct simple_fun *fheaderp, *nfheaderp;
- lispobj nfheaderl;
-
- fheaderp = (struct simple_fun *) native_pointer(fheaderl);
- gc_assert(widetag_of(fheaderp->header) == SIMPLE_FUN_HEADER_WIDETAG);
+ struct simple_fun *fheaderp, *nfheaderp;
+ lispobj nfheaderl;
+
+ fheaderp = (struct simple_fun *) native_pointer(fheaderl);
+ gc_assert(widetag_of(fheaderp->header) == SIMPLE_FUN_HEADER_WIDETAG);
- /* Calculate the new function pointer and the new */
- /* function header. */
- nfheaderl = fheaderl + displacement;
- nfheaderp = (struct simple_fun *) native_pointer(nfheaderl);
+ /* Calculate the new function pointer and the new */
+ /* function header. */
+ nfheaderl = fheaderl + displacement;
+ nfheaderp = (struct simple_fun *) native_pointer(nfheaderl);
#ifdef DEBUG_CODE_GC
- printf("fheaderp->header (at %x) <- %x\n",
- &(fheaderp->header) , nfheaderl);
+ printf("fheaderp->header (at %x) <- %x\n",
+ &(fheaderp->header) , nfheaderl);
#endif
- set_forwarding_pointer((lispobj *)fheaderp, nfheaderl);
-
- /* fix self pointer. */
- nfheaderp->self =
+ set_forwarding_pointer((lispobj *)fheaderp, nfheaderl);
+
+ /* fix self pointer. */
+ nfheaderp->self =
#if defined(LISP_FEATURE_X86) || defined(LISP_FEATURE_X86_64)
- FUN_RAW_ADDR_OFFSET +
+ FUN_RAW_ADDR_OFFSET +
#endif
- nfheaderl;
-
- *prev_pointer = nfheaderl;
+ nfheaderl;
+
+ *prev_pointer = nfheaderl;
- fheaderl = fheaderp->next;
- prev_pointer = &nfheaderp->next;
+ fheaderl = fheaderp->next;
+ prev_pointer = &nfheaderp->next;
}
os_flush_icache((os_vm_address_t) (((long *)new_code) + nheader_words),
- ncode_words * sizeof(long));
+ ncode_words * sizeof(long));
#ifdef LISP_FEATURE_GENCGC
gencgc_apply_code_fixups(code, new_code);
#endif
{
struct code *code;
long n_header_words, n_code_words, n_words;
- lispobj entry_point; /* tagged pointer to entry point */
+ lispobj entry_point; /* tagged pointer to entry point */
struct simple_fun *function_ptr; /* untagged pointer to entry point */
code = (struct code *) where;
/* Scavenge the boxed section of each function object in the
* code data block. */
for (entry_point = code->entry_points;
- entry_point != NIL;
- entry_point = function_ptr->next) {
+ entry_point != NIL;
+ entry_point = function_ptr->next) {
- gc_assert(is_lisp_pointer(entry_point));
+ gc_assert(is_lisp_pointer(entry_point));
- function_ptr = (struct simple_fun *) native_pointer(entry_point);
- gc_assert(widetag_of(function_ptr->header)==SIMPLE_FUN_HEADER_WIDETAG);
+ function_ptr = (struct simple_fun *) native_pointer(entry_point);
+ gc_assert(widetag_of(function_ptr->header)==SIMPLE_FUN_HEADER_WIDETAG);
- scavenge(&function_ptr->name, 1);
- scavenge(&function_ptr->arglist, 1);
- scavenge(&function_ptr->type, 1);
+ scavenge(&function_ptr->name, 1);
+ scavenge(&function_ptr->arglist, 1);
+ scavenge(&function_ptr->type, 1);
}
-
+
return n_words;
}
long nheader_words, ncode_words, nwords;
code = (struct code *) where;
-
+
ncode_words = fixnum_value(code->code_size);
nheader_words = HeaderValue(code->header);
nwords = ncode_words + nheader_words;
scav_return_pc_header(lispobj *where, lispobj object)
{
lose("attempted to scavenge a return PC header where=0x%08x object=0x%08x",
- (unsigned long) where,
- (unsigned long) object);
+ (unsigned long) where,
+ (unsigned long) object);
return 0; /* bogus return value to satisfy static type checking */
}
#endif /* LISP_FEATURE_X86 */
/* The function may have moved so update the raw address. But
* don't write unnecessarily. */
if (closure->fun != fun + FUN_RAW_ADDR_OFFSET)
- closure->fun = fun + FUN_RAW_ADDR_OFFSET;
+ closure->fun = fun + FUN_RAW_ADDR_OFFSET;
#endif
return 2;
}
scav_fun_header(lispobj *where, lispobj object)
{
lose("attempted to scavenge a function header where=0x%08x object=0x%08x",
- (unsigned long) where,
- (unsigned long) object);
+ (unsigned long) where,
+ (unsigned long) object);
return 0; /* bogus return value to satisfy static type checking */
}
#endif /* LISP_FEATURE_X86 */
struct simple_fun *fheader;
unsigned long offset;
struct code *code, *ncode;
-
+
fheader = (struct simple_fun *) native_pointer(object);
/* FIXME: was times 4, should it really be N_WORD_BYTES? */
offset = HeaderValue(fheader->header) * N_WORD_BYTES;
cons = (struct cons *) native_pointer(object);
/* Copy 'object'. */
- new_cons = (struct cons *)
- gc_general_alloc(sizeof(struct cons),ALLOC_BOXED,ALLOC_QUICK);
+ new_cons = (struct cons *)
+ gc_general_alloc(sizeof(struct cons),ALLOC_BOXED,ALLOC_QUICK);
new_cons->car = cons->car;
new_cons->cdr = cons->cdr; /* updated later */
new_list_pointer = make_lispobj(new_cons,lowtag_of(object));
/* Try to linearize the list in the cdr direction to help reduce
* paging. */
while (1) {
- lispobj new_cdr;
- struct cons *cdr_cons, *new_cdr_cons;
-
- if(lowtag_of(cdr) != LIST_POINTER_LOWTAG ||
- !from_space_p(cdr) ||
- forwarding_pointer_p((lispobj *)native_pointer(cdr)))
- break;
-
- cdr_cons = (struct cons *) native_pointer(cdr);
-
- /* Copy 'cdr'. */
- new_cdr_cons = (struct cons*)
- gc_general_alloc(sizeof(struct cons),ALLOC_BOXED,ALLOC_QUICK);
- new_cdr_cons->car = cdr_cons->car;
- new_cdr_cons->cdr = cdr_cons->cdr;
- new_cdr = make_lispobj(new_cdr_cons, lowtag_of(cdr));
-
- /* Grab the cdr before it is clobbered. */
- cdr = cdr_cons->cdr;
- set_forwarding_pointer((lispobj *)cdr_cons, new_cdr);
-
- /* Update the cdr of the last cons copied into new space to
- * keep the newspace scavenge from having to do it. */
- new_cons->cdr = new_cdr;
-
- new_cons = new_cdr_cons;
+ lispobj new_cdr;
+ struct cons *cdr_cons, *new_cdr_cons;
+
+ if(lowtag_of(cdr) != LIST_POINTER_LOWTAG ||
+ !from_space_p(cdr) ||
+ forwarding_pointer_p((lispobj *)native_pointer(cdr)))
+ break;
+
+ cdr_cons = (struct cons *) native_pointer(cdr);
+
+ /* Copy 'cdr'. */
+ new_cdr_cons = (struct cons*)
+ gc_general_alloc(sizeof(struct cons),ALLOC_BOXED,ALLOC_QUICK);
+ new_cdr_cons->car = cdr_cons->car;
+ new_cdr_cons->cdr = cdr_cons->cdr;
+ new_cdr = make_lispobj(new_cdr_cons, lowtag_of(cdr));
+
+ /* Grab the cdr before it is clobbered. */
+ cdr = cdr_cons->cdr;
+ set_forwarding_pointer((lispobj *)cdr_cons, new_cdr);
+
+ /* Update the cdr of the last cons copied into new space to
+ * keep the newspace scavenge from having to do it. */
+ new_cons->cdr = new_cdr;
+
+ new_cons = new_cdr_cons;
}
return new_list_pointer;
first = (transother[widetag_of(*first_pointer)])(object);
if (first != object) {
- set_forwarding_pointer(first_pointer, first);
+ set_forwarding_pointer(first_pointer, first);
#ifdef LISP_FEATURE_GENCGC
- *where = first;
+ *where = first;
#endif
}
#ifndef LISP_FEATURE_GENCGC
lispobj layout = ((struct instance *)native_pointer(where))->slots[0];
if (!layout)
- return 1;
+ return 1;
if (forwarding_pointer_p(native_pointer(layout)))
layout = (lispobj) forwarding_pointer_value(native_pointer(layout));
fdefn = (struct fdefn *)where;
- /* FSHOW((stderr, "scav_fdefn, function = %p, raw_addr = %p\n",
+ /* FSHOW((stderr, "scav_fdefn, function = %p, raw_addr = %p\n",
fdefn->fun, fdefn->raw_addr)); */
- if ((char *)(fdefn->fun + FUN_RAW_ADDR_OFFSET)
- == (char *)((unsigned long)(fdefn->raw_addr))) {
- scavenge(where + 1, sizeof(struct fdefn)/sizeof(lispobj) - 1);
+ if ((char *)(fdefn->fun + FUN_RAW_ADDR_OFFSET)
+ == (char *)((unsigned long)(fdefn->raw_addr))) {
+ scavenge(where + 1, sizeof(struct fdefn)/sizeof(lispobj) - 1);
- /* Don't write unnecessarily. */
- if (fdefn->raw_addr != (char *)(fdefn->fun + FUN_RAW_ADDR_OFFSET))
- fdefn->raw_addr = (char *)(fdefn->fun + FUN_RAW_ADDR_OFFSET);
- /* gc.c has more casts here, which may be relevant or alternatively
- may be compiler warning defeaters. try
+ /* Don't write unnecessarily. */
+ if (fdefn->raw_addr != (char *)(fdefn->fun + FUN_RAW_ADDR_OFFSET))
+ fdefn->raw_addr = (char *)(fdefn->fun + FUN_RAW_ADDR_OFFSET);
+ /* gc.c has more casts here, which may be relevant or alternatively
+ may be compiler warning defeaters. try
fdefn->raw_addr = ((char *) LOW_WORD(fdefn->fun)) + FUN_RAW_ADDR_OFFSET;
- */
- return sizeof(struct fdefn) / sizeof(lispobj);
+ */
+ return sizeof(struct fdefn) / sizeof(lispobj);
} else {
- return 1;
+ return 1;
}
}
#endif
vector = (struct vector *) where;
length = fixnum_value(vector->length);
- nwords = CEILING(length *
- LONG_FLOAT_SIZE
- + 2, 2);
+ nwords = CEILING(length *
+ LONG_FLOAT_SIZE
+ + 2, 2);
return nwords;
}
#endif
#define WEAK_POINTER_NWORDS \
- CEILING((sizeof(struct weak_pointer) / sizeof(lispobj)), 2)
+ CEILING((sizeof(struct weak_pointer) / sizeof(lispobj)), 2)
static lispobj
trans_weak_pointer(lispobj object)
copy = copy_object(object, WEAK_POINTER_NWORDS);
#ifndef LISP_FEATURE_GENCGC
wp = (struct weak_pointer *) native_pointer(copy);
-
+
gc_assert(widetag_of(wp->header)==WEAK_POINTER_WIDETAG);
/* Push the weak pointer onto the list of weak pointers. */
wp->next = LOW_WORD(weak_pointers);
void scan_weak_pointers(void)
{
struct weak_pointer *wp;
- for (wp = weak_pointers; wp != NULL;
- wp=(struct weak_pointer *)native_pointer(wp->next)) {
- lispobj value = wp->value;
- lispobj *first_pointer;
- gc_assert(widetag_of(wp->header)==WEAK_POINTER_WIDETAG);
- if (!(is_lisp_pointer(value) && from_space_p(value)))
- continue;
-
- /* Now, we need to check whether the object has been forwarded. If
- * it has been, the weak pointer is still good and needs to be
- * updated. Otherwise, the weak pointer needs to be nil'ed
- * out. */
-
- first_pointer = (lispobj *)native_pointer(value);
-
- if (forwarding_pointer_p(first_pointer)) {
- wp->value=
- (lispobj)LOW_WORD(forwarding_pointer_value(first_pointer));
- } else {
- /* Break it. */
- wp->value = NIL;
- wp->broken = T;
- }
+ for (wp = weak_pointers; wp != NULL;
+ wp=(struct weak_pointer *)native_pointer(wp->next)) {
+ lispobj value = wp->value;
+ lispobj *first_pointer;
+ gc_assert(widetag_of(wp->header)==WEAK_POINTER_WIDETAG);
+ if (!(is_lisp_pointer(value) && from_space_p(value)))
+ continue;
+
+ /* Now, we need to check whether the object has been forwarded. If
+ * it has been, the weak pointer is still good and needs to be
+ * updated. Otherwise, the weak pointer needs to be nil'ed
+ * out. */
+
+ first_pointer = (lispobj *)native_pointer(value);
+
+ if (forwarding_pointer_p(first_pointer)) {
+ wp->value=
+ (lispobj)LOW_WORD(forwarding_pointer_value(first_pointer));
+ } else {
+ /* Break it. */
+ wp->value = NIL;
+ wp->broken = T;
+ }
}
}
trans_lose(lispobj object)
{
lose("no transport function for object 0x%08x (widetag 0x%x)",
- (unsigned long)object,
- widetag_of(*(lispobj*)native_pointer(object)));
+ (unsigned long)object,
+ widetag_of(*(lispobj*)native_pointer(object)));
return NIL; /* bogus return value to satisfy static type checking */
}
size_lose(lispobj *where)
{
lose("no size function for object at 0x%08x (widetag 0x%x)",
- (unsigned long)where,
- widetag_of(LOW_WORD(where)));
+ (unsigned long)where,
+ widetag_of(LOW_WORD(where)));
return 1; /* bogus return value to satisfy static type checking */
}
/* Set default value in all slots of scavenge table. FIXME
* replace this gnarly sizeof with something based on
* N_WIDETAG_BITS */
- for (i = 0; i < ((sizeof scavtab)/(sizeof scavtab[0])); i++) {
- scavtab[i] = scav_lose;
+ for (i = 0; i < ((sizeof scavtab)/(sizeof scavtab[0])); i++) {
+ scavtab[i] = scav_lose;
}
/* For each type which can be selected by the lowtag alone, set
*/
for (i = 0; i < (1<<(N_WIDETAG_BITS-N_LOWTAG_BITS)); i++) {
- scavtab[EVEN_FIXNUM_LOWTAG|(i<<N_LOWTAG_BITS)] = scav_immediate;
- scavtab[FUN_POINTER_LOWTAG|(i<<N_LOWTAG_BITS)] = scav_fun_pointer;
- /* skipping OTHER_IMMEDIATE_0_LOWTAG */
- scavtab[LIST_POINTER_LOWTAG|(i<<N_LOWTAG_BITS)] = scav_list_pointer;
- scavtab[ODD_FIXNUM_LOWTAG|(i<<N_LOWTAG_BITS)] = scav_immediate;
- scavtab[INSTANCE_POINTER_LOWTAG|(i<<N_LOWTAG_BITS)] = scav_instance_pointer;
- /* skipping OTHER_IMMEDIATE_1_LOWTAG */
- scavtab[OTHER_POINTER_LOWTAG|(i<<N_LOWTAG_BITS)] = scav_other_pointer;
+ scavtab[EVEN_FIXNUM_LOWTAG|(i<<N_LOWTAG_BITS)] = scav_immediate;
+ scavtab[FUN_POINTER_LOWTAG|(i<<N_LOWTAG_BITS)] = scav_fun_pointer;
+ /* skipping OTHER_IMMEDIATE_0_LOWTAG */
+ scavtab[LIST_POINTER_LOWTAG|(i<<N_LOWTAG_BITS)] = scav_list_pointer;
+ scavtab[ODD_FIXNUM_LOWTAG|(i<<N_LOWTAG_BITS)] = scav_immediate;
+ scavtab[INSTANCE_POINTER_LOWTAG|(i<<N_LOWTAG_BITS)] = scav_instance_pointer;
+ /* skipping OTHER_IMMEDIATE_1_LOWTAG */
+ scavtab[OTHER_POINTER_LOWTAG|(i<<N_LOWTAG_BITS)] = scav_other_pointer;
}
/* Other-pointer types (those selected by all eight bits of the
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;
+ scav_vector_unsigned_byte_2;
scavtab[SIMPLE_ARRAY_UNSIGNED_BYTE_4_WIDETAG] =
- scav_vector_unsigned_byte_4;
+ scav_vector_unsigned_byte_4;
scavtab[SIMPLE_ARRAY_UNSIGNED_BYTE_7_WIDETAG] =
- scav_vector_unsigned_byte_8;
+ scav_vector_unsigned_byte_8;
scavtab[SIMPLE_ARRAY_UNSIGNED_BYTE_8_WIDETAG] =
- scav_vector_unsigned_byte_8;
+ scav_vector_unsigned_byte_8;
scavtab[SIMPLE_ARRAY_UNSIGNED_BYTE_15_WIDETAG] =
- scav_vector_unsigned_byte_16;
+ scav_vector_unsigned_byte_16;
scavtab[SIMPLE_ARRAY_UNSIGNED_BYTE_16_WIDETAG] =
- scav_vector_unsigned_byte_16;
+ scav_vector_unsigned_byte_16;
#ifdef SIMPLE_ARRAY_UNSIGNED_BYTE_29_WIDETAG
scavtab[SIMPLE_ARRAY_UNSIGNED_BYTE_29_WIDETAG] =
- scav_vector_unsigned_byte_32;
+ scav_vector_unsigned_byte_32;
#endif
scavtab[SIMPLE_ARRAY_UNSIGNED_BYTE_31_WIDETAG] =
- scav_vector_unsigned_byte_32;
+ scav_vector_unsigned_byte_32;
scavtab[SIMPLE_ARRAY_UNSIGNED_BYTE_32_WIDETAG] =
- scav_vector_unsigned_byte_32;
+ scav_vector_unsigned_byte_32;
#ifdef SIMPLE_ARRAY_UNSIGNED_BYTE_60_WIDETAG
scavtab[SIMPLE_ARRAY_UNSIGNED_BYTE_60_WIDETAG] =
- scav_vector_unsigned_byte_64;
+ scav_vector_unsigned_byte_64;
#endif
#ifdef SIMPLE_ARRAY_UNSIGNED_BYTE_63_WIDETAG
scavtab[SIMPLE_ARRAY_UNSIGNED_BYTE_63_WIDETAG] =
- scav_vector_unsigned_byte_64;
+ scav_vector_unsigned_byte_64;
#endif
#ifdef SIMPLE_ARRAY_UNSIGNED_BYTE_64_WIDETAG
scavtab[SIMPLE_ARRAY_UNSIGNED_BYTE_64_WIDETAG] =
- scav_vector_unsigned_byte_64;
+ scav_vector_unsigned_byte_64;
#endif
#ifdef SIMPLE_ARRAY_SIGNED_BYTE_8_WIDETAG
scavtab[SIMPLE_ARRAY_SIGNED_BYTE_8_WIDETAG] = scav_vector_unsigned_byte_8;
#endif
#ifdef SIMPLE_ARRAY_SIGNED_BYTE_16_WIDETAG
scavtab[SIMPLE_ARRAY_SIGNED_BYTE_16_WIDETAG] =
- scav_vector_unsigned_byte_16;
+ scav_vector_unsigned_byte_16;
#endif
#ifdef SIMPLE_ARRAY_SIGNED_BYTE_30_WIDETAG
scavtab[SIMPLE_ARRAY_SIGNED_BYTE_30_WIDETAG] =
- scav_vector_unsigned_byte_32;
+ scav_vector_unsigned_byte_32;
#endif
#ifdef SIMPLE_ARRAY_SIGNED_BYTE_32_WIDETAG
scavtab[SIMPLE_ARRAY_SIGNED_BYTE_32_WIDETAG] =
- scav_vector_unsigned_byte_32;
+ scav_vector_unsigned_byte_32;
#endif
#ifdef SIMPLE_ARRAY_SIGNED_BYTE_61_WIDETAG
scavtab[SIMPLE_ARRAY_SIGNED_BYTE_61_WIDETAG] =
- scav_vector_unsigned_byte_64;
+ scav_vector_unsigned_byte_64;
#endif
#ifdef SIMPLE_ARRAY_SIGNED_BYTE_64_WIDETAG
scavtab[SIMPLE_ARRAY_SIGNED_BYTE_64_WIDETAG] =
- scav_vector_unsigned_byte_64;
+ scav_vector_unsigned_byte_64;
#endif
scavtab[SIMPLE_ARRAY_SINGLE_FLOAT_WIDETAG] = scav_vector_single_float;
scavtab[SIMPLE_ARRAY_DOUBLE_FLOAT_WIDETAG] = scav_vector_double_float;
#endif
#ifdef SIMPLE_ARRAY_COMPLEX_SINGLE_FLOAT_WIDETAG
scavtab[SIMPLE_ARRAY_COMPLEX_SINGLE_FLOAT_WIDETAG] =
- scav_vector_complex_single_float;
+ scav_vector_complex_single_float;
#endif
#ifdef SIMPLE_ARRAY_COMPLEX_DOUBLE_FLOAT_WIDETAG
scavtab[SIMPLE_ARRAY_COMPLEX_DOUBLE_FLOAT_WIDETAG] =
- scav_vector_complex_double_float;
+ scav_vector_complex_double_float;
#endif
#ifdef SIMPLE_ARRAY_COMPLEX_LONG_FLOAT_WIDETAG
scavtab[SIMPLE_ARRAY_COMPLEX_LONG_FLOAT_WIDETAG] =
- scav_vector_complex_long_float;
+ scav_vector_complex_long_float;
#endif
scavtab[COMPLEX_BASE_STRING_WIDETAG] = scav_boxed;
#ifdef COMPLEX_CHARACTER_STRING_WIDETAG
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 ? */
+#ifndef LISP_FEATURE_GENCGC /* FIXME ..._X86 ? */
scavtab[SIMPLE_FUN_HEADER_WIDETAG] = scav_fun_header;
scavtab[RETURN_PC_HEADER_WIDETAG] = scav_return_pc_header;
#endif
/* transport other table, initialized same way as scavtab */
for (i = 0; i < ((sizeof transother)/(sizeof transother[0])); i++)
- transother[i] = trans_lose;
+ transother[i] = trans_lose;
transother[BIGNUM_WIDETAG] = trans_unboxed;
transother[RATIO_WIDETAG] = trans_boxed;
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;
+ trans_vector_unsigned_byte_2;
transother[SIMPLE_ARRAY_UNSIGNED_BYTE_4_WIDETAG] =
- trans_vector_unsigned_byte_4;
+ trans_vector_unsigned_byte_4;
transother[SIMPLE_ARRAY_UNSIGNED_BYTE_7_WIDETAG] =
- trans_vector_unsigned_byte_8;
+ trans_vector_unsigned_byte_8;
transother[SIMPLE_ARRAY_UNSIGNED_BYTE_8_WIDETAG] =
- trans_vector_unsigned_byte_8;
+ trans_vector_unsigned_byte_8;
transother[SIMPLE_ARRAY_UNSIGNED_BYTE_15_WIDETAG] =
- trans_vector_unsigned_byte_16;
+ trans_vector_unsigned_byte_16;
transother[SIMPLE_ARRAY_UNSIGNED_BYTE_16_WIDETAG] =
- trans_vector_unsigned_byte_16;
+ trans_vector_unsigned_byte_16;
#ifdef SIMPLE_ARRAY_UNSIGNED_BYTE_29_WIDETAG
transother[SIMPLE_ARRAY_UNSIGNED_BYTE_29_WIDETAG] =
- trans_vector_unsigned_byte_32;
+ trans_vector_unsigned_byte_32;
#endif
transother[SIMPLE_ARRAY_UNSIGNED_BYTE_31_WIDETAG] =
- trans_vector_unsigned_byte_32;
+ trans_vector_unsigned_byte_32;
transother[SIMPLE_ARRAY_UNSIGNED_BYTE_32_WIDETAG] =
- trans_vector_unsigned_byte_32;
+ trans_vector_unsigned_byte_32;
#ifdef SIMPLE_ARRAY_UNSIGNED_BYTE_60_WIDETAG
transother[SIMPLE_ARRAY_UNSIGNED_BYTE_60_WIDETAG] =
- trans_vector_unsigned_byte_64;
+ trans_vector_unsigned_byte_64;
#endif
#ifdef SIMPLE_ARRAY_UNSIGNED_BYTE_63_WIDETAG
transother[SIMPLE_ARRAY_UNSIGNED_BYTE_63_WIDETAG] =
- trans_vector_unsigned_byte_64;
+ trans_vector_unsigned_byte_64;
#endif
#ifdef SIMPLE_ARRAY_UNSIGNED_BYTE_64_WIDETAG
transother[SIMPLE_ARRAY_UNSIGNED_BYTE_64_WIDETAG] =
- trans_vector_unsigned_byte_64;
+ trans_vector_unsigned_byte_64;
#endif
#ifdef SIMPLE_ARRAY_SIGNED_BYTE_8_WIDETAG
transother[SIMPLE_ARRAY_SIGNED_BYTE_8_WIDETAG] =
- trans_vector_unsigned_byte_8;
+ trans_vector_unsigned_byte_8;
#endif
#ifdef SIMPLE_ARRAY_SIGNED_BYTE_16_WIDETAG
transother[SIMPLE_ARRAY_SIGNED_BYTE_16_WIDETAG] =
- trans_vector_unsigned_byte_16;
+ trans_vector_unsigned_byte_16;
#endif
#ifdef SIMPLE_ARRAY_SIGNED_BYTE_30_WIDETAG
transother[SIMPLE_ARRAY_SIGNED_BYTE_30_WIDETAG] =
- trans_vector_unsigned_byte_32;
+ trans_vector_unsigned_byte_32;
#endif
#ifdef SIMPLE_ARRAY_SIGNED_BYTE_32_WIDETAG
transother[SIMPLE_ARRAY_SIGNED_BYTE_32_WIDETAG] =
- trans_vector_unsigned_byte_32;
+ trans_vector_unsigned_byte_32;
#endif
#ifdef SIMPLE_ARRAY_SIGNED_BYTE_61_WIDETAG
transother[SIMPLE_ARRAY_SIGNED_BYTE_61_WIDETAG] =
- trans_vector_unsigned_byte_64;
+ trans_vector_unsigned_byte_64;
#endif
#ifdef SIMPLE_ARRAY_SIGNED_BYTE_64_WIDETAG
transother[SIMPLE_ARRAY_SIGNED_BYTE_64_WIDETAG] =
- trans_vector_unsigned_byte_64;
+ trans_vector_unsigned_byte_64;
#endif
transother[SIMPLE_ARRAY_SINGLE_FLOAT_WIDETAG] =
- trans_vector_single_float;
+ trans_vector_single_float;
transother[SIMPLE_ARRAY_DOUBLE_FLOAT_WIDETAG] =
- trans_vector_double_float;
+ trans_vector_double_float;
#ifdef SIMPLE_ARRAY_LONG_FLOAT_WIDETAG
transother[SIMPLE_ARRAY_LONG_FLOAT_WIDETAG] =
- trans_vector_long_float;
+ trans_vector_long_float;
#endif
#ifdef SIMPLE_ARRAY_COMPLEX_SINGLE_FLOAT_WIDETAG
transother[SIMPLE_ARRAY_COMPLEX_SINGLE_FLOAT_WIDETAG] =
- trans_vector_complex_single_float;
+ trans_vector_complex_single_float;
#endif
#ifdef SIMPLE_ARRAY_COMPLEX_DOUBLE_FLOAT_WIDETAG
transother[SIMPLE_ARRAY_COMPLEX_DOUBLE_FLOAT_WIDETAG] =
- trans_vector_complex_double_float;
+ trans_vector_complex_double_float;
#endif
#ifdef SIMPLE_ARRAY_COMPLEX_LONG_FLOAT_WIDETAG
transother[SIMPLE_ARRAY_COMPLEX_LONG_FLOAT_WIDETAG] =
- trans_vector_complex_long_float;
+ trans_vector_complex_long_float;
#endif
transother[COMPLEX_BASE_STRING_WIDETAG] = trans_boxed;
#ifdef COMPLEX_CHARACTER_STRING_WIDETAG
/* size table, initialized the same way as scavtab */
for (i = 0; i < ((sizeof sizetab)/(sizeof sizetab[0])); i++)
- sizetab[i] = size_lose;
+ sizetab[i] = size_lose;
for (i = 0; i < (1<<(N_WIDETAG_BITS-N_LOWTAG_BITS)); i++) {
- sizetab[EVEN_FIXNUM_LOWTAG|(i<<N_LOWTAG_BITS)] = size_immediate;
- sizetab[FUN_POINTER_LOWTAG|(i<<N_LOWTAG_BITS)] = size_pointer;
- /* skipping OTHER_IMMEDIATE_0_LOWTAG */
- sizetab[LIST_POINTER_LOWTAG|(i<<N_LOWTAG_BITS)] = size_pointer;
- sizetab[ODD_FIXNUM_LOWTAG|(i<<N_LOWTAG_BITS)] = size_immediate;
- sizetab[INSTANCE_POINTER_LOWTAG|(i<<N_LOWTAG_BITS)] = size_pointer;
- /* skipping OTHER_IMMEDIATE_1_LOWTAG */
- sizetab[OTHER_POINTER_LOWTAG|(i<<N_LOWTAG_BITS)] = size_pointer;
+ sizetab[EVEN_FIXNUM_LOWTAG|(i<<N_LOWTAG_BITS)] = size_immediate;
+ sizetab[FUN_POINTER_LOWTAG|(i<<N_LOWTAG_BITS)] = size_pointer;
+ /* skipping OTHER_IMMEDIATE_0_LOWTAG */
+ sizetab[LIST_POINTER_LOWTAG|(i<<N_LOWTAG_BITS)] = size_pointer;
+ sizetab[ODD_FIXNUM_LOWTAG|(i<<N_LOWTAG_BITS)] = size_immediate;
+ sizetab[INSTANCE_POINTER_LOWTAG|(i<<N_LOWTAG_BITS)] = size_pointer;
+ /* skipping OTHER_IMMEDIATE_1_LOWTAG */
+ sizetab[OTHER_POINTER_LOWTAG|(i<<N_LOWTAG_BITS)] = size_pointer;
}
sizetab[BIGNUM_WIDETAG] = size_unboxed;
sizetab[RATIO_WIDETAG] = size_boxed;
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;
+ size_vector_unsigned_byte_2;
sizetab[SIMPLE_ARRAY_UNSIGNED_BYTE_4_WIDETAG] =
- size_vector_unsigned_byte_4;
+ size_vector_unsigned_byte_4;
sizetab[SIMPLE_ARRAY_UNSIGNED_BYTE_7_WIDETAG] =
- size_vector_unsigned_byte_8;
+ size_vector_unsigned_byte_8;
sizetab[SIMPLE_ARRAY_UNSIGNED_BYTE_8_WIDETAG] =
- size_vector_unsigned_byte_8;
+ size_vector_unsigned_byte_8;
sizetab[SIMPLE_ARRAY_UNSIGNED_BYTE_15_WIDETAG] =
- size_vector_unsigned_byte_16;
+ size_vector_unsigned_byte_16;
sizetab[SIMPLE_ARRAY_UNSIGNED_BYTE_16_WIDETAG] =
- size_vector_unsigned_byte_16;
+ size_vector_unsigned_byte_16;
#ifdef SIMPLE_ARRAY_UNSIGNED_BYTE_29_WIDETAG
sizetab[SIMPLE_ARRAY_UNSIGNED_BYTE_29_WIDETAG] =
- size_vector_unsigned_byte_32;
+ size_vector_unsigned_byte_32;
#endif
sizetab[SIMPLE_ARRAY_UNSIGNED_BYTE_31_WIDETAG] =
- size_vector_unsigned_byte_32;
+ size_vector_unsigned_byte_32;
sizetab[SIMPLE_ARRAY_UNSIGNED_BYTE_32_WIDETAG] =
- size_vector_unsigned_byte_32;
+ size_vector_unsigned_byte_32;
#ifdef SIMPLE_ARRAY_UNSIGNED_BYTE_60_WIDETAG
sizetab[SIMPLE_ARRAY_UNSIGNED_BYTE_60_WIDETAG] =
- size_vector_unsigned_byte_64;
+ size_vector_unsigned_byte_64;
#endif
#ifdef SIMPLE_ARRAY_UNSIGNED_BYTE_63_WIDETAG
sizetab[SIMPLE_ARRAY_UNSIGNED_BYTE_63_WIDETAG] =
- size_vector_unsigned_byte_64;
+ size_vector_unsigned_byte_64;
#endif
#ifdef SIMPLE_ARRAY_UNSIGNED_BYTE_64_WIDETAG
sizetab[SIMPLE_ARRAY_UNSIGNED_BYTE_64_WIDETAG] =
- size_vector_unsigned_byte_64;
+ size_vector_unsigned_byte_64;
#endif
#ifdef SIMPLE_ARRAY_SIGNED_BYTE_8_WIDETAG
sizetab[SIMPLE_ARRAY_SIGNED_BYTE_8_WIDETAG] = size_vector_unsigned_byte_8;
#endif
#ifdef SIMPLE_ARRAY_SIGNED_BYTE_16_WIDETAG
sizetab[SIMPLE_ARRAY_SIGNED_BYTE_16_WIDETAG] =
- size_vector_unsigned_byte_16;
+ size_vector_unsigned_byte_16;
#endif
#ifdef SIMPLE_ARRAY_SIGNED_BYTE_30_WIDETAG
sizetab[SIMPLE_ARRAY_SIGNED_BYTE_30_WIDETAG] =
- size_vector_unsigned_byte_32;
+ size_vector_unsigned_byte_32;
#endif
#ifdef SIMPLE_ARRAY_SIGNED_BYTE_32_WIDETAG
sizetab[SIMPLE_ARRAY_SIGNED_BYTE_32_WIDETAG] =
- size_vector_unsigned_byte_32;
+ size_vector_unsigned_byte_32;
#endif
#ifdef SIMPLE_ARRAY_SIGNED_BYTE_61_WIDETAG
sizetab[SIMPLE_ARRAY_SIGNED_BYTE_61_WIDETAG] =
- size_vector_unsigned_byte_64;
+ size_vector_unsigned_byte_64;
#endif
#ifdef SIMPLE_ARRAY_SIGNED_BYTE_64_WIDETAG
sizetab[SIMPLE_ARRAY_SIGNED_BYTE_64_WIDETAG] =
- size_vector_unsigned_byte_64;
+ size_vector_unsigned_byte_64;
#endif
sizetab[SIMPLE_ARRAY_SINGLE_FLOAT_WIDETAG] = size_vector_single_float;
sizetab[SIMPLE_ARRAY_DOUBLE_FLOAT_WIDETAG] = size_vector_double_float;
#endif
#ifdef SIMPLE_ARRAY_COMPLEX_SINGLE_FLOAT_WIDETAG
sizetab[SIMPLE_ARRAY_COMPLEX_SINGLE_FLOAT_WIDETAG] =
- size_vector_complex_single_float;
+ size_vector_complex_single_float;
#endif
#ifdef SIMPLE_ARRAY_COMPLEX_DOUBLE_FLOAT_WIDETAG
sizetab[SIMPLE_ARRAY_COMPLEX_DOUBLE_FLOAT_WIDETAG] =
- size_vector_complex_double_float;
+ size_vector_complex_double_float;
#endif
#ifdef SIMPLE_ARRAY_COMPLEX_LONG_FLOAT_WIDETAG
sizetab[SIMPLE_ARRAY_COMPLEX_LONG_FLOAT_WIDETAG] =
- size_vector_complex_long_float;
+ size_vector_complex_long_float;
#endif
sizetab[COMPLEX_BASE_STRING_WIDETAG] = size_boxed;
#ifdef COMPLEX_CHARACTER_STRING_WIDETAG
lispobj *object = NULL;
if ( (object = search_read_only_space(pc)) )
- ;
+ ;
else if ( (object = search_static_space(pc)) )
- ;
+ ;
else
- object = search_dynamic_space(pc);
+ object = search_dynamic_space(pc);
if (object) /* if we found something */
- if (widetag_of(*object) == CODE_HEADER_WIDETAG)
- return(object);
+ if (widetag_of(*object) == CODE_HEADER_WIDETAG)
+ return(object);
return (NULL);
}
gc_search_space(lispobj *start, size_t words, lispobj *pointer)
{
while (words > 0) {
- size_t count = 1;
- lispobj thing = *start;
+ size_t count = 1;
+ lispobj thing = *start;
- /* If thing is an immediate then this is a cons. */
- if (is_lisp_pointer(thing)
- || (fixnump(thing))
- || (widetag_of(thing) == CHARACTER_WIDETAG)
+ /* If thing is an immediate then this is a cons. */
+ if (is_lisp_pointer(thing)
+ || (fixnump(thing))
+ || (widetag_of(thing) == CHARACTER_WIDETAG)
#if N_WORD_BITS == 64
- || (widetag_of(thing) == SINGLE_FLOAT_WIDETAG)
+ || (widetag_of(thing) == SINGLE_FLOAT_WIDETAG)
#endif
- || (widetag_of(thing) == UNBOUND_MARKER_WIDETAG))
- count = 2;
- else
- count = (sizetab[widetag_of(thing)])(start);
+ || (widetag_of(thing) == UNBOUND_MARKER_WIDETAG))
+ count = 2;
+ else
+ count = (sizetab[widetag_of(thing)])(start);
- /* Check whether the pointer is within this object. */
- if ((pointer >= start) && (pointer < (start+count))) {
- /* found it! */
- /*FSHOW((stderr,"/found %x in %x %x\n", pointer, start, thing));*/
- return(start);
- }
+ /* Check whether the pointer is within this object. */
+ if ((pointer >= start) && (pointer < (start+count))) {
+ /* found it! */
+ /*FSHOW((stderr,"/found %x in %x %x\n", pointer, start, thing));*/
+ return(start);
+ }
- /* Round up the count. */
- count = CEILING(count,2);
+ /* Round up the count. */
+ count = CEILING(count,2);
- start += count;
- words -= count;
+ start += count;
+ words -= count;
}
return (NULL);
}
projects / sbcl.git / blobdiff