1.0.23.40: export page sizes to C with LU suffix
[sbcl.git] / src / compiler / generic / genesis.lisp
index 803b7af..f1f1c96 100644 (file)
@@ -851,10 +851,27 @@ core and return a descriptor to it."
 ;;; the descriptor for layout's layout (needed when making layouts)
 (defvar *layout-layout*)
 
-;;; FIXME: This information should probably be pulled out of the
-;;; cross-compiler's tables at genesis time instead of inserted by
-;;; hand here as a bare numeric constant.
-(defconstant target-layout-length 18)
+(defconstant target-layout-length
+  (layout-length (find-layout 'layout)))
+
+(defun target-layout-index (slot-name)
+  ;; KLUDGE: this is a little bit sleazy, but the tricky thing is that
+  ;; structure slots don't have a terribly firm idea of their names.
+  ;; At least here if we change LAYOUT's package of definition, we
+  ;; only have to change one thing...
+  (let* ((name (find-symbol (symbol-name slot-name) "SB!KERNEL"))
+         (layout (find-layout 'layout))
+         (dd (layout-info layout))
+         (slots (dd-slots dd))
+         (dsd (find name slots :key #'dsd-name)))
+    (aver dsd)
+    (dsd-index dsd)))
+
+(defun cold-set-layout-slot (cold-layout slot-name value)
+  (write-wordindexed
+   cold-layout
+   (+ sb!vm:instance-slots-offset (target-layout-index slot-name))
+   value))
 
 ;;; Return a list of names created from the cold layout INHERITS data
 ;;; in X.
@@ -878,6 +895,7 @@ core and return a descriptor to it."
 (defun make-cold-layout (name length inherits depthoid nuntagged)
   (let ((result (allocate-boxed-object *dynamic*
                                        ;; KLUDGE: Why 1+? -- WHN 19990901
+                                       ;; header word? -- CSR 20051204
                                        (1+ target-layout-length)
                                        sb!vm:instance-pointer-lowtag)))
     (write-memory result
@@ -891,7 +909,7 @@ core and return a descriptor to it."
     ;; Set slot 0 = the layout of the layout.
     (write-wordindexed result sb!vm:instance-slots-offset *layout-layout*)
 
-    ;; Set the immediately following slots = CLOS hash values.
+    ;; Set the CLOS hash value.
     ;;
     ;; Note: CMU CL didn't set these in genesis, but instead arranged
     ;; for them to be set at cold init time. That resulted in slightly
@@ -917,41 +935,31 @@ core and return a descriptor to it."
     ;; before using it. However, they didn't, so we have a slight
     ;; problem. We address it by generating the hash values using a
     ;; different algorithm than we use in ordinary operation.
-    (dotimes (i sb!kernel:layout-clos-hash-length)
-      (let (;; The expression here is pretty arbitrary, we just want
-            ;; to make sure that it's not something which is (1)
-            ;; evenly distributed and (2) not foreordained to arise in
-            ;; the target Lisp's (RANDOM-LAYOUT-CLOS-HASH) sequence
-            ;; and show up as the CLOS-HASH value of some other
-            ;; LAYOUT.
-            (hash-value
-             (1+ (mod (logxor (logand   (random-layout-clos-hash) 15253)
-                              (logandc2 (random-layout-clos-hash) 15253)
-                              1)
-                      ;; (The MOD here is defensive programming
-                      ;; to make sure we never write an
-                      ;; out-of-range value even if some joker
-                      ;; sets LAYOUT-CLOS-HASH-MAX to other
-                      ;; than 2^n-1 at some time in the
-                      ;; future.)
-                      sb!kernel:layout-clos-hash-max))))
-        (write-wordindexed result
-                           (+ i sb!vm:instance-slots-offset 1)
-                           (make-fixnum-descriptor hash-value))))
+    (let (;; The expression here is pretty arbitrary, we just want
+          ;; to make sure that it's not something which is (1)
+          ;; evenly distributed and (2) not foreordained to arise in
+          ;; the target Lisp's (RANDOM-LAYOUT-CLOS-HASH) sequence
+          ;; and show up as the CLOS-HASH value of some other
+          ;; LAYOUT.
+          (hash-value
+           (1+ (mod (logxor (logand   (random-layout-clos-hash) 15253)
+                            (logandc2 (random-layout-clos-hash) 15253)
+                            1)
+                    (1- sb!kernel:layout-clos-hash-limit)))))
+      (cold-set-layout-slot result 'clos-hash
+                            (make-fixnum-descriptor hash-value)))
 
     ;; Set other slot values.
-    (let ((base (+ sb!vm:instance-slots-offset
-                   sb!kernel:layout-clos-hash-length
-                   1)))
-      ;; (Offset 0 is CLASS, "the class this is a layout for", which
-      ;; is uninitialized at this point.)
-      (write-wordindexed result (+ base 1) *nil-descriptor*) ; marked invalid
-      (write-wordindexed result (+ base 2) inherits)
-      (write-wordindexed result (+ base 3) depthoid)
-      (write-wordindexed result (+ base 4) length)
-      (write-wordindexed result (+ base 5) *nil-descriptor*) ; info
-      (write-wordindexed result (+ base 6) *nil-descriptor*) ; pure
-      (write-wordindexed result (+ base 7) nuntagged))
+    ;;
+    ;; leave CLASSOID uninitialized for now
+    (cold-set-layout-slot result 'invalid *nil-descriptor*)
+    (cold-set-layout-slot result 'inherits inherits)
+    (cold-set-layout-slot result 'depthoid depthoid)
+    (cold-set-layout-slot result 'length length)
+    (cold-set-layout-slot result 'info *nil-descriptor*)
+    (cold-set-layout-slot result 'pure *nil-descriptor*)
+    (cold-set-layout-slot result 'n-untagged-slots nuntagged)
+    (cold-set-layout-slot result 'for-std-class-p *nil-descriptor*)
 
     (setf (gethash name *cold-layouts*)
           (list result
@@ -971,17 +979,16 @@ core and return a descriptor to it."
   ;; We initially create the layout of LAYOUT itself with NIL as the LAYOUT and
   ;; #() as INHERITS,
   (setq *layout-layout* *nil-descriptor*)
-  (setq *layout-layout*
-        (make-cold-layout 'layout
-                          (number-to-core target-layout-length)
-                          (vector-in-core)
-                          ;; FIXME: hard-coded LAYOUT-DEPTHOID of LAYOUT..
-                          (number-to-core 3)
-                          ;; no raw slots in LAYOUT:
-                          (number-to-core 0)))
-  (write-wordindexed *layout-layout*
-                     sb!vm:instance-slots-offset
-                     *layout-layout*)
+  (let ((xlayout-layout (find-layout 'layout)))
+    (aver (= 0 (layout-n-untagged-slots xlayout-layout)))
+    (setq *layout-layout*
+          (make-cold-layout 'layout
+                            (number-to-core target-layout-length)
+                            (vector-in-core)
+                            (number-to-core (layout-depthoid xlayout-layout))
+                            (number-to-core 0)))
+  (write-wordindexed
+   *layout-layout* sb!vm:instance-slots-offset *layout-layout*)
 
   ;; Then we create the layouts that we'll need to make a correct INHERITS
   ;; vector for the layout of LAYOUT itself..
@@ -1013,13 +1020,7 @@ core and return a descriptor to it."
     ;; ..and return to backpatch the layout of LAYOUT.
     (setf (fourth (gethash 'layout *cold-layouts*))
           (listify-cold-inherits layout-inherits))
-    (write-wordindexed *layout-layout*
-                       ;; FIXME: hardcoded offset into layout struct
-                       (+ sb!vm:instance-slots-offset
-                          layout-clos-hash-length
-                          1
-                          2)
-                       layout-inherits)))
+    (cold-set-layout-slot *layout-layout* 'inherits layout-inherits))))
 \f
 ;;;; interning symbols in the cold image
 
@@ -1107,7 +1108,8 @@ core and return a descriptor to it."
         *cl-package*
         ;; ordinary case
         (let ((result (symbol-package symbol)))
-          (aver (package-ok-for-target-symbol-p result))
+          (unless (package-ok-for-target-symbol-p result)
+            (bug "~A in bad package for target: ~A" symbol result))
           result))))
 
 ;;; Return a handle on an interned symbol. If necessary allocate the
@@ -1223,7 +1225,13 @@ core and return a descriptor to it."
                 offset-wanted))))
     ;; Establish the value of T.
     (let ((t-symbol (cold-intern t)))
-      (cold-set t-symbol t-symbol))))
+      (cold-set t-symbol t-symbol))
+    ;; Establish the value of *PSEUDO-ATOMIC-BITS* so that the
+    ;; allocation sequences that expect it to be zero upon entrance
+    ;; actually find it to be so.
+    #!+(or x86-64 x86)
+    (let ((p-a-a-symbol (cold-intern 'sb!kernel:*pseudo-atomic-bits*)))
+      (cold-set p-a-a-symbol (make-fixnum-descriptor 0)))))
 
 ;;; a helper function for FINISH-SYMBOLS: Return a cold alist suitable
 ;;; to be stored in *!INITIAL-LAYOUTS*.
@@ -1255,19 +1263,8 @@ core and return a descriptor to it."
   ;; the names to highlight that something weird is going on. Perhaps
   ;; *MAYBE-GC-FUN*, *INTERNAL-ERROR-FUN*, *HANDLE-BREAKPOINT-FUN*,
   ;; and *HANDLE-FUN-END-BREAKPOINT-FUN*...
-  (macrolet ((frob (symbol)
-               `(cold-set ',symbol
-                          (cold-fdefinition-object (cold-intern ',symbol)))))
-    (frob sub-gc)
-    (frob internal-error)
-    #!+win32 (frob handle-win32-exception)
-    (frob sb!kernel::control-stack-exhausted-error)
-    (frob sb!kernel::undefined-alien-variable-error)
-    (frob sb!kernel::undefined-alien-function-error)
-    (frob sb!kernel::memory-fault-error)
-    (frob sb!di::handle-breakpoint)
-    (frob sb!di::handle-fun-end-breakpoint)
-    #!+sb-thread (frob sb!thread::run-interruption))
+  (dolist (symbol sb!vm::*c-callable-static-symbols*)
+    (cold-set symbol (cold-fdefinition-object (cold-intern symbol))))
 
   (cold-set 'sb!vm::*current-catch-block*          (make-fixnum-descriptor 0))
   (cold-set 'sb!vm::*current-unwind-protect-block* (make-fixnum-descriptor 0))
@@ -1283,6 +1280,8 @@ core and return a descriptor to it."
              (symbols (cdr cold-package-symbols-entry))
              (shadows (package-shadowing-symbols cold-package))
              (documentation (base-string-to-core (documentation cold-package t)))
+             (internal-count 0)
+             (external-count 0)
              (internal *nil-descriptor*)
              (external *nil-descriptor*)
              (imported-internal *nil-descriptor*)
@@ -1324,10 +1323,14 @@ core and return a descriptor to it."
               (case where
                 (:internal (if imported-p
                                (cold-push handle imported-internal)
-                               (cold-push handle internal)))
+                               (progn
+                                 (cold-push handle internal)
+                                 (incf internal-count))))
                 (:external (if imported-p
                                (cold-push handle imported-external)
-                               (cold-push handle external)))))))
+                               (progn
+                                 (cold-push handle external)
+                                 (incf external-count))))))))
         (let ((r *nil-descriptor*))
           (cold-push documentation r)
           (cold-push shadowing r)
@@ -1335,7 +1338,10 @@ core and return a descriptor to it."
           (cold-push imported-internal r)
           (cold-push external r)
           (cold-push internal r)
-          (cold-push (make-make-package-args cold-package) r)
+          (cold-push (make-make-package-args cold-package
+                                             internal-count
+                                             external-count)
+                     r)
           ;; FIXME: It would be more space-efficient to use vectors
           ;; instead of lists here, and space-efficiency here would be
           ;; nice, since it would reduce the peak memory usage in
@@ -1354,9 +1360,9 @@ core and return a descriptor to it."
     (cold-set 'sb!vm::*fp-constant-0f0* (number-to-core 0f0))
     (cold-set 'sb!vm::*fp-constant-1f0* (number-to-core 1f0))))
 
-;;; Make a cold list that can be used as the arg list to MAKE-PACKAGE in order
-;;; to make a package that is similar to PKG.
-(defun make-make-package-args (pkg)
+;;; Make a cold list that can be used as the arg list to MAKE-PACKAGE in
+;;; order to make a package that is similar to PKG.
+(defun make-make-package-args (pkg internal-count external-count)
   (let* ((use *nil-descriptor*)
          (cold-nicknames *nil-descriptor*)
          (res *nil-descriptor*))
@@ -1385,13 +1391,14 @@ core and return a descriptor to it."
       (dolist (warm-nickname warm-nicknames)
         (cold-push (base-string-to-core warm-nickname) cold-nicknames)))
 
-    (cold-push (number-to-core (truncate (package-internal-symbol-count pkg)
-                                         0.8))
-               res)
+    ;; INTERNAL-COUNT and EXTERNAL-COUNT are the number of symbols that
+    ;; the package contains in the core. We arrange for the package
+    ;; symbol tables to be created somewhat larger so that they don't
+    ;; need to be rehashed so easily when additional symbols are
+    ;; interned during the warm build.
+    (cold-push (number-to-core (truncate internal-count 0.8)) res)
     (cold-push (cold-intern :internal-symbols) res)
-    (cold-push (number-to-core (truncate (package-external-symbol-count pkg)
-                                         0.8))
-               res)
+    (cold-push (number-to-core (truncate external-count 0.8)) res)
     (cold-push (cold-intern :external-symbols) res)
 
     (cold-push cold-nicknames res)
@@ -1758,27 +1765,35 @@ core and return a descriptor to it."
           (setf (bvref-32 gspace-bytes gspace-byte-offset)
                 (logior (mask-field (byte 16 16)
                                     (bvref-32 gspace-bytes gspace-byte-offset))
-                        (+ (ash value -16)
-                           (if (logbitp 15 value) 1 0)))))
+                        (ash (1+ (ldb (byte 17 15) value)) -1))))
          (:addi
           (setf (bvref-32 gspace-bytes gspace-byte-offset)
                 (logior (mask-field (byte 16 16)
                                     (bvref-32 gspace-bytes gspace-byte-offset))
                         (ldb (byte 16 0) value))))))
+       ;; FIXME: PowerPC Fixups are not fully implemented. The bit
+       ;; here starts to set things up to work properly, but there
+       ;; needs to be corresponding code in ppc-vm.lisp
        (:ppc
-       (ecase kind
-         (:ba
-          (setf (bvref-32 gspace-bytes gspace-byte-offset)
-                (dpb (ash value -2) (byte 24 2)
-                     (bvref-32 gspace-bytes gspace-byte-offset))))
-         (:ha
-          (let* ((h (ldb (byte 16 16) value))
-                 (l (ldb (byte 16 0) value)))
-            (setf (bvref-16 gspace-bytes (+ gspace-byte-offset 2))
-                  (if (logbitp 15 l) (ldb (byte 16 0) (1+ h)) h))))
-         (:l
-          (setf (bvref-16 gspace-bytes (+ gspace-byte-offset 2))
-                (ldb (byte 16 0) value)))))
+        (ecase kind
+          (:ba
+           (setf (bvref-32 gspace-bytes gspace-byte-offset)
+                 (dpb (ash value -2) (byte 24 2)
+                      (bvref-32 gspace-bytes gspace-byte-offset))))
+          (:ha
+           (let* ((un-fixed-up (bvref-16 gspace-bytes
+                                         (+ gspace-byte-offset 2)))
+                  (fixed-up (+ un-fixed-up value))
+                  (h (ldb (byte 16 16) fixed-up))
+                  (l (ldb (byte 16 0) fixed-up)))
+             (setf (bvref-16 gspace-bytes (+ gspace-byte-offset 2))
+                   (if (logbitp 15 l) (ldb (byte 16 0) (1+ h)) h))))
+          (:l
+           (let* ((un-fixed-up (bvref-16 gspace-bytes
+                                         (+ gspace-byte-offset 2)))
+                  (fixed-up (+ un-fixed-up value)))
+             (setf (bvref-16 gspace-bytes (+ gspace-byte-offset 2))
+                   (ldb (byte 16 0) fixed-up))))))
       (:sparc
        (ecase kind
          (:call
@@ -1954,7 +1969,10 @@ core and return a descriptor to it."
          (layout (pop-stack))
          (nuntagged
           (descriptor-fixnum
-           (read-wordindexed layout (+ sb!vm:instance-slots-offset 16))))
+           (read-wordindexed
+            layout
+            (+ sb!vm:instance-slots-offset
+               (target-layout-index 'n-untagged-slots)))))
          (ntagged (- size nuntagged)))
     (write-memory result (make-other-immediate-descriptor
                           size sb!vm:instance-header-widetag))
@@ -2436,7 +2454,8 @@ core and return a descriptor to it."
     (write-wordindexed code slot value)))
 
 (define-cold-fop (fop-fun-entry)
-  (let* ((type (pop-stack))
+  (let* ((xrefs (pop-stack))
+         (type (pop-stack))
          (arglist (pop-stack))
          (name (pop-stack))
          (code-object (pop-stack))
@@ -2493,6 +2512,7 @@ core and return a descriptor to it."
     (write-wordindexed fn sb!vm:simple-fun-name-slot name)
     (write-wordindexed fn sb!vm:simple-fun-arglist-slot arglist)
     (write-wordindexed fn sb!vm:simple-fun-type-slot type)
+    (write-wordindexed fn sb!vm::simple-fun-xrefs-slot xrefs)
     fn))
 
 (define-cold-fop (fop-foreign-fixup)
@@ -2596,14 +2616,28 @@ core and return a descriptor to it."
     (format t " *~@[ ~A~]~%" line))
   (format t " */~%"))
 
+(defun c-name (string &optional strip)
+  (delete #\+
+          (substitute-if #\_ (lambda (c) (member c '(#\- #\/ #\%)))
+                         (remove-if (lambda (c) (position c strip))
+                                    string))))
+
+(defun c-symbol-name (symbol &optional strip)
+  (c-name (symbol-name symbol) strip))
+
+(defun write-makefile-features ()
+  ;; propagating *SHEBANG-FEATURES* into the Makefiles
+  (dolist (shebang-feature-name (sort (mapcar #'c-symbol-name
+                                              sb-cold:*shebang-features*)
+                                      #'string<))
+    (format t "LISP_FEATURE_~A=1~%" shebang-feature-name)))
+
 (defun write-config-h ()
   ;; propagating *SHEBANG-FEATURES* into C-level #define's
-  (dolist (shebang-feature-name (sort (mapcar #'symbol-name
+  (dolist (shebang-feature-name (sort (mapcar #'c-symbol-name
                                               sb-cold:*shebang-features*)
                                       #'string<))
-    (format t
-            "#define LISP_FEATURE_~A~%"
-            (substitute #\_ #\- shebang-feature-name)))
+    (format t "#define LISP_FEATURE_~A~%" shebang-feature-name))
   (terpri)
   ;; and miscellaneous constants
   (format t "#define SBCL_CORE_VERSION_INTEGER ~D~%" sbcl-core-version-integer)
@@ -2621,7 +2655,7 @@ core and return a descriptor to it."
 (defun write-constants-h ()
   ;; writing entire families of named constants
   (let ((constants nil))
-    (dolist (package-name '(;; Even in CMU CL, constants from VM
+    (dolist (package-name '( ;; Even in CMU CL, constants from VM
                             ;; were automatically propagated
                             ;; into the runtime.
                             "SB!VM"
@@ -2632,11 +2666,12 @@ core and return a descriptor to it."
       (do-external-symbols (symbol (find-package package-name))
         (when (constantp symbol)
           (let ((name (symbol-name symbol)))
-            (labels (;; shared machinery
-                     (record (string priority)
+            (labels ( ;; shared machinery
+                     (record (string priority suffix)
                        (push (list string
                                    priority
                                    (symbol-value symbol)
+                                   suffix
                                    (documentation symbol 'variable))
                              constants))
                      ;; machinery for old-style CMU CL Lisp-to-C
@@ -2648,7 +2683,8 @@ core and return a descriptor to it."
                                 'simple-string
                                 prefix
                                 (delete #\- (string-capitalize string)))
-                               priority))
+                               priority
+                               ""))
                      (maybe-record-with-munged-name (tail prefix priority)
                        (when (tailwise-equal name tail)
                          (record-with-munged-name prefix
@@ -2657,24 +2693,23 @@ core and return a descriptor to it."
                                                              (length tail)))
                                                   priority)))
                      ;; machinery for new-style SBCL Lisp-to-C naming
-                     (record-with-translated-name (priority)
-                       (record (substitute #\_ #\- name)
-                               priority))
-                     (maybe-record-with-translated-name (suffixes priority)
+                     (record-with-translated-name (priority large)
+                       (record (c-name name) priority (if large "LU" "")))
+                     (maybe-record-with-translated-name (suffixes priority &key large)
                        (when (some (lambda (suffix)
                                      (tailwise-equal name suffix))
                                    suffixes)
-                         (record-with-translated-name priority))))
-
+                         (record-with-translated-name priority large))))
               (maybe-record-with-translated-name '("-LOWTAG") 0)
-              (maybe-record-with-translated-name '("-WIDETAG") 1)
+              (maybe-record-with-translated-name '("-WIDETAG" "-SHIFT") 1)
               (maybe-record-with-munged-name "-FLAG" "flag_" 2)
               (maybe-record-with-munged-name "-TRAP" "trap_" 3)
               (maybe-record-with-munged-name "-SUBTYPE" "subtype_" 4)
               (maybe-record-with-munged-name "-SC-NUMBER" "sc_" 5)
-              (maybe-record-with-translated-name '("-START" "-END" "-SIZE") 6)
-              (maybe-record-with-translated-name '("-CORE-ENTRY-TYPE-CODE") 7)
-              (maybe-record-with-translated-name '("-CORE-SPACE-ID") 8))))))
+              (maybe-record-with-translated-name '("-SIZE") 6)
+              (maybe-record-with-translated-name '("-START" "-END" "-PAGE-BYTES") 7 :large t)
+              (maybe-record-with-translated-name '("-CORE-ENTRY-TYPE-CODE") 8)
+              (maybe-record-with-translated-name '("-CORE-SPACE-ID") 9))))))
     ;; KLUDGE: these constants are sort of important, but there's no
     ;; pleasing way to inform the code above about them.  So we fake
     ;; it for now.  nikodemus on #lisp (2004-08-09) suggested simply
@@ -2685,21 +2720,20 @@ core and return a descriptor to it."
                  sb!vm:n-lowtag-bits sb!vm:lowtag-mask
                  sb!vm:n-widetag-bits sb!vm:widetag-mask
                  sb!vm:n-fixnum-tag-bits sb!vm:fixnum-tag-mask))
-      (push (list (substitute #\_ #\- (symbol-name c))
+      (push (list (c-symbol-name c)
                   -1                    ; invent a new priority
                   (symbol-value c)
+                  ""
                   nil)
             constants))
     ;; One more symbol that doesn't fit into the code above.
-    (flet ((translate (name)
-             (delete #\+ (substitute #\_ #\- name))))
-      (let ((c 'sb!impl::+magic-hash-vector-value+))
-        (push (list (translate (symbol-name c))
-                    9
-                    (symbol-value c)
-                    nil)
-              constants)))
-
+    (let ((c 'sb!impl::+magic-hash-vector-value+))
+      (push (list (c-symbol-name c)
+                  9
+                  (symbol-value c)
+                  "LU"
+                  nil)
+            constants))
     (setf constants
           (sort constants
                 (lambda (const1 const2)
@@ -2708,38 +2742,13 @@ core and return a descriptor to it."
                       (< (second const1) (second const2))))))
     (let ((prev-priority (second (car constants))))
       (dolist (const constants)
-        (destructuring-bind (name priority value doc) const
+        (destructuring-bind (name priority value suffix doc) const
           (unless (= prev-priority priority)
             (terpri)
             (setf prev-priority priority))
-          (format t "#define ~A " name)
-          (format t
-                  ;; KLUDGE: As of sbcl-0.6.7.14, we're dumping two
-                  ;; different kinds of values here, (1) small codes
-                  ;; and (2) machine addresses. The small codes can be
-                  ;; dumped as bare integer values. The large machine
-                  ;; addresses might cause problems if they're large
-                  ;; and represented as (signed) C integers, so we
-                  ;; want to force them to be unsigned. We do that by
-                  ;; wrapping them in the LISPOBJ macro. (We could do
-                  ;; it with a bare "(unsigned)" cast, except that
-                  ;; this header file is used not only in C files, but
-                  ;; also in assembly files, which don't understand
-                  ;; the cast syntax. The LISPOBJ macro goes away in
-                  ;; assembly files, but that shouldn't matter because
-                  ;; we don't do arithmetic on address constants in
-                  ;; assembly files. See? It really is a kludge..) --
-                  ;; WHN 2000-10-18
-                  (let (;; cutoff for treatment as a small code
-                        (cutoff (expt 2 16)))
-                    (cond ((minusp value)
-                           (error "stub: negative values unsupported"))
-                          ((< value cutoff)
-                           "~D")
-                          (t
-                           "LISPOBJ(~DU)")))
-                  value)
-          (format t " /* 0x~X */~@[  /* ~A */~]~%" value doc))))
+          (when (minusp value)
+            (error "stub: negative values unsupported"))
+          (format t "#define ~A ~A~A /* 0x~X ~@[ -- ~A ~]*/~%" name value suffix value doc))))
     (terpri))
 
   ;; writing information about internal errors
@@ -2750,10 +2759,17 @@ core and return a descriptor to it."
         ;; interr.lisp) -- APD, 2002-03-05
         (unless (eq nil (car current-error))
           (format t "#define ~A ~D~%"
-                  (substitute #\_ #\- (symbol-name (car current-error)))
+                  (c-symbol-name (car current-error))
                   i)))))
   (terpri)
 
+  ;; I'm not really sure why this is in SB!C, since it seems
+  ;; conceptually like something that belongs to SB!VM. In any case,
+  ;; it's needed C-side.
+  (format t "#define BACKEND_PAGE_BYTES ~DLU~%" sb!c:*backend-page-bytes*)
+
+  (terpri)
+
   ;; FIXME: The SPARC has a PSEUDO-ATOMIC-TRAP that differs between
   ;; platforms. If we export this from the SB!VM package, it gets
   ;; written out as #define trap_PseudoAtomic, which is confusing as
@@ -2774,47 +2790,45 @@ core and return a descriptor to it."
                     sb!vm::float-sticky-bits
                     sb!vm::float-rounding-mode))
     (format t "#define ~A_POSITION ~A /* ~:*0x~X */~%"
-            (substitute #\_ #\- (symbol-name symbol))
+            (c-symbol-name symbol)
             (sb!xc:byte-position (symbol-value symbol)))
     (format t "#define ~A_MASK 0x~X /* ~:*~A */~%"
-            (substitute #\_ #\- (symbol-name symbol))
+            (c-symbol-name symbol)
             (sb!xc:mask-field (symbol-value symbol) -1))))
 
 
 
 (defun write-primitive-object (obj)
   ;; writing primitive object layouts
-    (format t "#ifndef LANGUAGE_ASSEMBLY~2%")
-      (format t
-              "struct ~A {~%"
-              (substitute #\_ #\-
-              (string-downcase (string (sb!vm:primitive-object-name obj)))))
-      (when (sb!vm:primitive-object-widetag obj)
-        (format t "    lispobj header;~%"))
-      (dolist (slot (sb!vm:primitive-object-slots obj))
-        (format t "    ~A ~A~@[[1]~];~%"
-        (getf (sb!vm:slot-options slot) :c-type "lispobj")
-        (substitute #\_ #\-
-                    (string-downcase (string (sb!vm:slot-name slot))))
-        (sb!vm:slot-rest-p slot)))
+  (format t "#ifndef LANGUAGE_ASSEMBLY~2%")
+  (format t
+          "struct ~A {~%"
+          (c-name (string-downcase (string (sb!vm:primitive-object-name obj)))))
+  (when (sb!vm:primitive-object-widetag obj)
+    (format t "    lispobj header;~%"))
+  (dolist (slot (sb!vm:primitive-object-slots obj))
+    (format t "    ~A ~A~@[[1]~];~%"
+            (getf (sb!vm:slot-options slot) :c-type "lispobj")
+            (c-name (string-downcase (string (sb!vm:slot-name slot))))
+            (sb!vm:slot-rest-p slot)))
   (format t "};~2%")
-    (format t "#else /* LANGUAGE_ASSEMBLY */~2%")
-      (let ((name (sb!vm:primitive-object-name obj))
-      (lowtag (eval (sb!vm:primitive-object-lowtag obj))))
-        (when lowtag
-        (dolist (slot (sb!vm:primitive-object-slots obj))
-          (format t "#define ~A_~A_OFFSET ~D~%"
-                  (substitute #\_ #\- (string name))
-                  (substitute #\_ #\- (string (sb!vm:slot-name slot)))
-                  (- (* (sb!vm:slot-offset slot) sb!vm:n-word-bytes) lowtag)))
+  (format t "#else /* LANGUAGE_ASSEMBLY */~2%")
+  (format t "/* These offsets are SLOT-OFFSET * N-WORD-BYTES - LOWTAG~%")
+  (format t " * so they work directly on tagged addresses. */~2%")
+  (let ((name (sb!vm:primitive-object-name obj))
+        (lowtag (eval (sb!vm:primitive-object-lowtag obj))))
+    (when lowtag
+      (dolist (slot (sb!vm:primitive-object-slots obj))
+        (format t "#define ~A_~A_OFFSET ~D~%"
+                (c-symbol-name name)
+                (c-symbol-name (sb!vm:slot-name slot))
+                (- (* (sb!vm:slot-offset slot) sb!vm:n-word-bytes) lowtag)))
       (terpri)))
-    (format t "#endif /* LANGUAGE_ASSEMBLY */~2%"))
+  (format t "#endif /* LANGUAGE_ASSEMBLY */~2%"))
 
 (defun write-structure-object (dd)
   (flet ((cstring (designator)
-           (substitute
-            #\_ #\%
-            (substitute #\_ #\- (string-downcase (string designator))))))
+           (c-name (string-downcase (string designator)))))
     (format t "#ifndef LANGUAGE_ASSEMBLY~2%")
     (format t "struct ~A {~%" (cstring (dd-name dd)))
     (format t "    lispobj header;~%")
@@ -2823,9 +2837,9 @@ core and return a descriptor to it."
       (when (eq t (dsd-raw-type slot))
         (format t "    lispobj ~A;~%" (cstring (dsd-name slot)))))
     (unless (oddp (+ (dd-length dd) (dd-raw-length dd)))
-      (format t "    long raw_slot_padding;~%"))
+      (format t "    lispobj raw_slot_padding;~%"))
     (dotimes (n (dd-raw-length dd))
-      (format t "    long raw~D;~%" (- (dd-raw-length dd) n 1)))
+      (format t "    lispobj raw~D;~%" (- (dd-raw-length dd) n 1)))
     (format t "};~2%")
     (format t "#endif /* LANGUAGE_ASSEMBLY */~2%")))
 
@@ -2834,10 +2848,9 @@ core and return a descriptor to it."
     ;; FIXME: It would be nice to use longer names than NIL and
     ;; (particularly) T in #define statements.
     (format t "#define ~A LISPOBJ(0x~X)~%"
-            (substitute #\_ #\-
-                        (remove-if (lambda (char)
-                                     (member char '(#\% #\* #\. #\!)))
-                                   (symbol-name symbol)))
+            ;; FIXME: It would be nice not to need to strip anything
+            ;; that doesn't get stripped always by C-SYMBOL-NAME.
+            (c-symbol-name symbol "%*.!")
             (if *static*                ; if we ran GENESIS
               ;; We actually ran GENESIS, use the real value.
               (descriptor-bits (cold-intern symbol))
@@ -2928,6 +2941,8 @@ initially undefined function references:~2%")
 (defconstant new-directory-core-entry-type-code 3861)
 (defconstant initial-fun-core-entry-type-code 3863)
 (defconstant page-table-core-entry-type-code 3880)
+#!+(and sb-lutex sb-thread)
+(defconstant lutex-table-core-entry-type-code 3887)
 (defconstant end-core-entry-type-code 3840)
 
 (declaim (ftype (function (sb!vm:word) sb!vm:word) write-word))
@@ -2946,17 +2961,17 @@ initially undefined function references:~2%")
   (force-output *core-file*)
   (file-position *core-file*
                  (round-up (file-position *core-file*)
-                           sb!c:*backend-page-size*)))
+                           sb!c:*backend-page-bytes*)))
 
 (defun output-gspace (gspace)
   (force-output *core-file*)
   (let* ((posn (file-position *core-file*))
          (bytes (* (gspace-free-word-index gspace) sb!vm:n-word-bytes))
-         (pages (ceiling bytes sb!c:*backend-page-size*))
-         (total-bytes (* pages sb!c:*backend-page-size*)))
+         (pages (ceiling bytes sb!c:*backend-page-bytes*))
+         (total-bytes (* pages sb!c:*backend-page-bytes*)))
 
     (file-position *core-file*
-                   (* sb!c:*backend-page-size* (1+ *data-page*)))
+                   (* sb!c:*backend-page-bytes* (1+ *data-page*)))
     (format t
             "writing ~S byte~:P [~S page~:P] from ~S~%"
             total-bytes
@@ -2986,7 +3001,7 @@ initially undefined function references:~2%")
     (write-word (gspace-free-word-index gspace))
     (write-word *data-page*)
     (multiple-value-bind (floor rem)
-        (floor (gspace-byte-address gspace) sb!c:*backend-page-size*)
+        (floor (gspace-byte-address gspace) sb!c:*backend-page-bytes*)
       (aver (zerop rem))
       (write-word floor))
     (write-word pages)
@@ -3235,10 +3250,6 @@ initially undefined function references:~2%")
                 (allocate-cold-descriptor *static*
                                           0
                                           sb!vm:even-fixnum-lowtag))
-      (cold-set 'sb!vm:*initial-dynamic-space-free-pointer*
-                (allocate-cold-descriptor *dynamic*
-                                          0
-                                          sb!vm:even-fixnum-lowtag))
       (/show "done setting free pointers")
 
       ;; Write results to files.
@@ -3254,7 +3265,7 @@ initially undefined function references:~2%")
                      (with-open-file (*standard-output* fn
                                       :if-exists :supersede :direction :output)
                        (write-boilerplate)
-                       (let ((n (substitute #\_ #\- (string-upcase ,name))))
+                       (let ((n (c-name (string-upcase ,name))))
                          (format
                           t
                           "#ifndef SBCL_GENESIS_~A~%#define SBCL_GENESIS_~A 1~%"
@@ -3263,11 +3274,11 @@ initially undefined function references:~2%")
                        (format t
                         "#endif /* SBCL_GENESIS_~A */~%"
                         (string-upcase ,name))))))
-      (when map-file-name
-        (with-open-file (*standard-output* map-file-name
-                                           :direction :output
-                                           :if-exists :supersede)
-          (write-map)))
+        (when map-file-name
+          (with-open-file (*standard-output* map-file-name
+                                             :direction :output
+                                             :if-exists :supersede)
+            (write-map)))
         (out-to "config" (write-config-h))
         (out-to "constants" (write-constants-h))
         (let ((structs (sort (copy-list sb!vm:*primitive-objects*) #'string<
@@ -3294,5 +3305,13 @@ initially undefined function references:~2%")
             (sb!kernel:layout-info (sb!kernel:find-layout class)))))
         (out-to "static-symbols" (write-static-symbols))
 
-      (when core-file-name
+        (let ((fn (format nil "~A/Makefile.features" c-header-dir-name)))
+          (ensure-directories-exist fn)
+          (with-open-file (*standard-output* fn :if-exists :supersede
+                                             :direction :output)
+            (write-makefile-features)))
+
+        (when core-file-name
           (write-initial-core-file core-file-name))))))
+
+