/*
- * allocation routines
+ * allocation routines for C code. For allocation done by Lisp look
+ * instead at src/compiler/target/alloc.lisp and .../macros.lisp
*/
/*
* files for more information.
*/
+#include <stdio.h>
+#include <string.h>
+
#include "runtime.h"
+#include "os.h"
#include "sbcl.h"
#include "alloc.h"
#include "globals.h"
#include "gc.h"
-#include <stdio.h>
-#include <string.h>
+#include "genesis/static-symbols.h"
+#include "genesis/vector.h"
+#include "genesis/cons.h"
+#include "genesis/bignum.h"
+#include "genesis/sap.h"
+#include "genesis/symbol.h"
#define GET_FREE_POINTER() dynamic_space_free_pointer
#define SET_FREE_POINTER(new_value) \
#if defined LISP_FEATURE_GENCGC
extern lispobj *alloc(int bytes);
+lispobj *
+pa_alloc(int bytes)
+{
+ lispobj *result=0;
+ SetSymbolValue(PSEUDO_ATOMIC_INTERRUPTED, make_fixnum(0));
+ SetSymbolValue(PSEUDO_ATOMIC_ATOMIC, make_fixnum(1));
+ result=alloc(bytes);
+ SetSymbolValue(PSEUDO_ATOMIC_ATOMIC, make_fixnum(0));
+ if (SymbolValue(PSEUDO_ATOMIC_INTERRUPTED))
+ /* even if we gc at this point, the new allocation will be
+ * protected from being moved, because result is on the c stack
+ * and points to it */
+ do_pending_interrupt();
+ return result;
+}
+
#else
static lispobj *
-alloc(int bytes)
+pa_alloc(int bytes)
{
char *result;
}
#endif
+
lispobj *
alloc_unboxed(int type, int words)
{
lispobj *result;
- result = alloc(ALIGNED_SIZE((1 + words) * sizeof(lispobj)));
+ result = pa_alloc(ALIGNED_SIZE((1 + words) * sizeof(lispobj)));
*result = (lispobj) (words << N_WIDETAG_BITS) | type;
return result;
}
struct vector *result;
result = (struct vector *)
- alloc(ALIGNED_SIZE((2 + (length*size + 31) / 32) * sizeof(lispobj)));
+ pa_alloc(ALIGNED_SIZE((2 + (length*size + 31) / 32) * sizeof(lispobj)));
result->header = type;
result->length = make_fixnum(length);
lispobj
alloc_cons(lispobj car, lispobj cdr)
{
- struct cons *ptr = (struct cons *)alloc(ALIGNED_SIZE(sizeof(struct cons)));
+ struct cons *ptr = (struct cons *)pa_alloc(ALIGNED_SIZE(sizeof(struct cons)));
ptr->car = car;
ptr->cdr = cdr;