#ifndef _SBCL_RUNTIME_H_
#define _SBCL_RUNTIME_H_
-#define QSHOW 0 /* Enable low-level debugging output? */
-#if QSHOW
-#define FSHOW(args) fprintf args
-#define SHOW(string) FSHOW((stderr, "/%s\n", string))
+#if defined(LISP_FEATURE_SB_THREAD)
+#define thread_self() pthread_self()
+#define thread_kill pthread_kill
+#define thread_sigmask pthread_sigmask
+#define thread_mutex_lock(l) pthread_mutex_lock(l)
+#define thread_mutex_unlock(l) pthread_mutex_unlock(l)
#else
-#define FSHOW(args)
-#define SHOW(string)
+#define thread_self() 0
+#define thread_kill kill_safely
+#define thread_sigmask sigprocmask
+#define thread_mutex_lock(l) 0
+#define thread_mutex_unlock(l) 0
#endif
+/* Block blockable interrupts for each SHOW, if not 0. */
+#define QSHOW_SIGNAL_SAFE 1
/* Enable extra-verbose low-level debugging output for signals? (You
* probably don't want this unless you're trying to debug very early
* cold boot on a new machine, or one where you've just messed up
* causes output from signal handlers, and the i/o libraries aren't
* necessarily reentrant. But it can still be very convenient for
* figuring out what's going on when you have a signal handling
- * problem.. */
+ * problem. */
#define QSHOW_SIGNALS 0
+/* Enable low-level debugging output, if not zero. Defaults to enabled
+ * if QSHOW_SIGNALS, disabled otherwise. Change it to 1 if you want
+ * low-level debugging output but not the whole signal mess. */
+#define QSHOW QSHOW_SIGNALS
+
+#if QSHOW
+
+#if QSHOW_SIGNAL_SAFE
+
+#include <signal.h>
+extern sigset_t blockable_sigset;
+
+#define QSHOW_BLOCK \
+ sigset_t oldset; \
+ thread_sigmask(SIG_BLOCK, &blockable_sigset, &oldset);
+#define QSHOW_UNBLOCK thread_sigmask(SIG_SETMASK,&oldset,0);
+#else
+#define QSHOW_BLOCK
+#define QSHOW_UNBLOCK
+#endif
-#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)
+#ifdef LISP_FEATURE_SB_THREAD
+#define QSHOW_PREFIX fprintf(stderr, "%lu ", pthread_self());
+#else
+#define QSHOW_PREFIX
+#endif
-/* FIXME: Make HeaderValue, CONS, SYMBOL, and FDEFN into inline
- * functions instead of macros. */
+#define FSHOW(args) \
+ do { \
+ QSHOW_BLOCK \
+ QSHOW_PREFIX \
+ fprintf args; \
+ QSHOW_UNBLOCK \
+ } while (0)
+#define SHOW(string) FSHOW((stderr, "/%s\n", string))
+
+#else
+
+#define FSHOW(args)
+#define SHOW(string)
-#define HeaderValue(obj) ((unsigned long) ((obj) >> N_WIDETAG_BITS))
+#endif
-#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))
+#if QSHOW_SIGNALS
+#define FSHOW_SIGNAL FSHOW
+#else
+#define FSHOW_SIGNAL(args)
+#endif
/* KLUDGE: These are in theory machine-dependent and OS-dependent, but
* in practice the "foo int" definitions work for all the machines
* 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;
+#include <sys/types.h>
+
+#if defined(LISP_FEATURE_SB_THREAD)
+#include <pthread.h>
+typedef pthread_t os_thread_t;
+#else
+typedef pid_t os_thread_t;
+#endif
+
+/* 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) {
+lowtag_of(lispobj obj)
+{
return obj & LOWTAG_MASK;
}
static inline int
-widetag_of(lispobj obj) {
+widetag_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
return obj & 1;
}
+#include "fixnump.h"
+
+/* Is the Lisp object obj something with immediate nature (e.g. a
+ * fixnum or character or unbound marker)? */
+static inline int
+is_lisp_immediate(lispobj obj)
+{
+ return (fixnump(obj)
+ || (widetag_of(obj) == CHARACTER_WIDETAG)
+#if N_WORD_BITS == 64
+ || (widetag_of(obj) == SINGLE_FLOAT_WIDETAG)
+#endif
+ || (widetag_of(obj) == UNBOUND_MARKER_WIDETAG));
+}
+
/* Convert from a lispobj with type bits to a native (ordinary
* C/assembly) pointer to the beginning of the object. */
static inline lispobj *
{
return (lispobj *) ((pointer_sized_uint_t) (obj & ~LOWTAG_MASK));
}
-/* inverse operation: create a suitably tagged lispobj from a native
- * pointer or integer. Needs to be a macro due to the tedious C type
- * system */
-#define make_lispobj(o,low_tag) ((lispobj)(LOW_WORD(o)|low_tag))
-/* 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)
+/* inverse operation: create a suitably tagged lispobj from a native
+ * pointer or integer.*/
+static inline lispobj
+make_lispobj(void *o, int low_tag)
+{
+ return LOW_WORD(o) | low_tag;
+}
-/* Too bad ANSI C doesn't define "bool" as C++ does.. */
-typedef int boolean;
+static inline lispobj
+make_fixnum(long n)
+{
+ return n << N_FIXNUM_TAG_BITS;
+}
-/* FIXME: There seems to be no reason that SymbolFunction can't be
- * defined as (possibly inline) functions instead of macros. */
+static inline long
+fixnum_value(lispobj n)
+{
+ return n >> N_FIXNUM_TAG_BITS;
+}
-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) \
- (((struct fdefn *)(native_pointer(SymbolValue(sym,0))))->fun)
+#if defined(LISP_FEATURE_WIN32)
+/* KLUDGE: Avoid double definition of boolean by rpcndr.h included via
+ * shlobj.h.
+ *
+ * FIXME: We should probably arrange to use the rpcndr.h boolean on Windows,
+ * or get rid of our own boolean type. If the boolean type is only used in
+ * the runtime, and never passed to Lisp, then it doesn't matter which one
+ * we use.
+ */
+#define boolean rpcndr_boolean
+#include <shlobj.h>
+#undef boolean
+#endif
+typedef int boolean;
/* KLUDGE: As far as I can tell there's no ANSI C way of saying
* "this function never returns". This is the way that you do it
- * in GCC later than version 2.7 or so. If you are using some
- * compiler that doesn't understand this, you could could just
- * change it to "typedef void never_returns" and nothing would
- * break, though you might get a few more bytes of compiled code or
- * a few more compiler warnings. -- WHN 2000-10-21 */
-typedef volatile void never_returns;
+ * in GCC later than version 2.5 or so. */
+#if defined(__GNUC__)
+#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5)
+#define never_returns __attribute__ ((noreturn))
+#else
+#define never_returns
+#endif
+#else
+#define never_returns
+#endif
+
+extern void *successful_malloc (size_t size);
+extern char *copied_string (char *string);
+
+#define RUNTIME_OPTIONS_MAGIC 0x31EBF355
+/* 1 for magic, 1 for boolean, 2 for struct runtime_options fields */
+#define RUNTIME_OPTIONS_WORDS (1 + 1 + 2)
+
+struct runtime_options {
+ size_t dynamic_space_size;
+ size_t thread_control_stack_size;
+};
#endif /* _SBCL_RUNTIME_H_ */