#ifndef _SBCL_RUNTIME_H_
#define _SBCL_RUNTIME_H_
-#define QSHOW 0 /* Enable low-level debugging output? */
-#if QSHOW
+/*#define QSHOW */ /* Enable low-level debugging output? */
+
+#ifdef QSHOW
#define FSHOW(args) fprintf args
#define SHOW(string) FSHOW((stderr, "/%s\n", string))
#else
* problem.. */
#define QSHOW_SIGNALS 0
-#define N_LOWTAG_BITS 3
-#define LOWTAG_MASK ((1<<N_LOWTAG_BITS)-1)
-#define N_WIDETAG_BITS 8
-#define WIDETAG_MASK ((1<<N_WIDETAG_BITS)-1)
-
-/* FIXME: Make HeaderValue, CONS, SYMBOL, and FDEFN into inline
- * functions instead of macros. */
-
-#define HeaderValue(obj) ((unsigned long) ((obj) >> N_WIDETAG_BITS))
-
-#define CONS(obj) ((struct cons *)((obj)-LIST_POINTER_LOWTAG))
-#define SYMBOL(obj) ((struct symbol *)((obj)-OTHER_POINTER_LOWTAG))
-#define FDEFN(obj) ((struct fdefn *)((obj)-OTHER_POINTER_LOWTAG))
-
/* KLUDGE: These are in theory machine-dependent and OS-dependent, but
* in practice the "foo int" definitions work for all the machines
* that SBCL runs on as of 0.6.7. If we port to the Alpha or some
* other non-32-bit machine we'll probably need real machine-dependent
* and OS-dependent definitions again. */
/* even on alpha, int happens to be 4 bytes. long is longer. */
+/* FIXME: these names really shouldn't reflect their length and this
+ is not quite right for some of the FFI stuff */
+typedef unsigned long u64;
+typedef signed long s64;
typedef unsigned int u32;
typedef signed int s32;
-#define LOW_WORD(c) ((long)(c) & 0xFFFFFFFFL)
+
/* this is an integral type the same length as a machine pointer */
typedef unsigned long pointer_sized_uint_t ;
-typedef u32 lispobj;
+/* FIXME: we do things this way because of the alpha32 port. once
+ alpha64 has arrived, all this nastiness can go away */
+#if 64 == N_WORD_BITS
+#define LOW_WORD(c) ((pointer_sized_uint_t)c)
+typedef unsigned long lispobj;
+#else
+#define LOW_WORD(c) ((long)(c) & 0xFFFFFFFFL)
+/* fake it on alpha32 */
+typedef unsigned int lispobj;
+#endif
static inline int
lowtag_of(lispobj obj) {
return obj & WIDETAG_MASK;
}
+static inline unsigned long
+HeaderValue(lispobj obj)
+{
+ return obj >> N_WIDETAG_BITS;
+}
+
+static inline struct cons *
+CONS(lispobj obj)
+{
+ return (struct cons *)(obj - LIST_POINTER_LOWTAG);
+}
+
+static inline struct symbol *
+SYMBOL(lispobj obj)
+{
+ return (struct symbol *)(obj - OTHER_POINTER_LOWTAG);
+}
+
+static inline struct fdefn *
+FDEFN(lispobj obj)
+{
+ return (struct fdefn *)(obj - OTHER_POINTER_LOWTAG);
+}
+
/* Is the Lisp object obj something with pointer nature (as opposed to
* e.g. a fixnum or character or unbound marker)? */
static inline int
/* FIXME: There seems to be no reason that make_fixnum and fixnum_value
* can't be implemented as (possibly inline) functions. */
-#define make_fixnum(n) ((lispobj)((n)<<2))
-#define fixnum_value(n) (((long)n)>>2)
+#define make_fixnum(n) ((lispobj)((n)<<N_FIXNUM_TAG_BITS))
+#define fixnum_value(n) (((long)n)>>N_FIXNUM_TAG_BITS)
/* Too bad ANSI C doesn't define "bool" as C++ does.. */
typedef int boolean;
-/* FIXME: There seems to be no reason that SymbolFunction can't be
- * defined as (possibly inline) functions instead of macros. */
-
-static inline lispobj SymbolValue(u32 sym, void *thread);
-static inline void SetSymbolValue(u32 sym, lispobj val, void *thread);
/* This only works for static symbols. */
/* FIXME: should be called StaticSymbolFunction, right? */
#define SymbolFunction(sym) \