src/compiler/generic/parms.lisp

   1 ;;;; This file contains some parameterizations of various VM
   2 ;;;; attributes common to all architectures.
   3
   4 ;;;; This software is part of the SBCL system. See the README file for
   5 ;;;; more information.
   6 ;;;;
   7 ;;;; This software is derived from the CMU CL system, which was
   8 ;;;; written at Carnegie Mellon University and released into the
   9 ;;;; public domain. The software is in the public domain and is
  10 ;;;; provided with absolutely no warranty. See the COPYING and CREDITS
  11 ;;;; files for more information.
  12
  13 (in-package "SB!VM")
  14
  15 (def!macro !configure-dynamic-space-end (default)
  16   (with-open-file (f "output/dynamic-space-size.txt")
  17     (let ((line (read-line f)))
  18       (multiple-value-bind (number end)
  19           (parse-integer line :junk-allowed t)
  20         (if number
  21             (let* ((ext (subseq line end))
  22                    (mult (cond ((or (zerop (length ext))
  23                                     (member ext '("MB MIB") :test #'equalp))
  24                                 (expt 2 20))
  25                                ((member ext '("GB" "GIB") :test #'equalp)
  26                                 (expt 2 30))
  27                                (t
  28                                 (error "Invalid --dynamic-space-size=~A" line)))))
  29               `(+ dynamic-space-start ,(* number mult)))
  30             default)))))
  31
  32 (defparameter *c-callable-static-symbols*
  33   '(sub-gc
  34     sb!kernel::post-gc
  35     sb!kernel::internal-error
  36     sb!kernel::control-stack-exhausted-error
  37     sb!kernel::binding-stack-exhausted-error
  38     sb!kernel::alien-stack-exhausted-error
  39     sb!kernel::heap-exhausted-error
  40     sb!kernel::undefined-alien-variable-error
  41     sb!kernel::undefined-alien-function-error
  42     sb!kernel::memory-fault-error
  43     sb!kernel::unhandled-trap-error
  44     sb!di::handle-breakpoint
  45     sb!di::handle-single-step-trap
  46     fdefinition-object
  47     #!+win32 sb!kernel::handle-win32-exception))
  48
  49 (defparameter *common-static-symbols*
  50   '(t
  51
  52     ;; filled in by the C code to propagate to Lisp
  53     *posix-argv* *core-string*
  54
  55     ;; free pointers.  Note that these are FIXNUM word counts, not (as
  56     ;; one might expect) byte counts or SAPs. The reason seems to be
  57     ;; that by representing them this way, we can avoid consing
  58     ;; bignums.  -- WHN 2000-10-02
  59     *read-only-space-free-pointer*
  60     *static-space-free-pointer*
  61
  62     ;; things needed for non-local-exit
  63     *current-catch-block*
  64     *current-unwind-protect-block*
  65
  66     #!+hpux *c-lra*
  67
  68     ;; stack pointers
  69     *binding-stack-start*
  70     *control-stack-start*
  71     *control-stack-end*
  72
  73     ;; interrupt handling
  74     *alloc-signal*
  75     *free-interrupt-context-index*
  76     sb!unix::*allow-with-interrupts*
  77     sb!unix::*interrupts-enabled*
  78     sb!unix::*interrupt-pending*
  79     *in-without-gcing*
  80     *gc-inhibit*
  81     *gc-pending*
  82     #!-sb-thread
  83     *stepping*
  84
  85     ;; threading support
  86     #!+sb-thread *stop-for-gc-pending*
  87     #!+sb-thread *free-tls-index*
  88     #!+sb-thread *tls-index-lock*
  89
  90     ;; Dispatch tables for generic array access
  91     sb!impl::%%data-vector-reffers%%
  92     sb!impl::%%data-vector-reffers/check-bounds%%
  93     sb!impl::%%data-vector-setters%%
  94     sb!impl::%%data-vector-setters/check-bounds%%
  95
  96     ;; non-x86oid gencgc object pinning
  97     #!+(and gencgc (not (or x86 x86-64)))
  98     *pinned-objects*
  99
 100     ;; hash table weaknesses
 101     :key
 102     :value
 103     :key-and-value
 104     :key-or-value))
 105
 106 ;;; Number of entries in the thread local storage. Limits the number
 107 ;;; of symbols with thread local bindings.
 108 (def!constant tls-size 4096)
 109
 110 #!+gencgc
 111 (progn
 112   (def!constant +highest-normal-generation+ 5)
 113   (def!constant +pseudo-static-generation+ 6))
 114
 115 (defenum ()
 116   trace-table-normal
 117   trace-table-call-site
 118   trace-table-fun-prologue
 119   trace-table-fun-epilogue)