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 (defparameter *c-callable-static-symbols*
  16   '(sub-gc
  17     sb!kernel::internal-error
  18     sb!kernel::control-stack-exhausted-error
  19     sb!kernel::heap-exhausted-error
  20     sb!kernel::undefined-alien-variable-error
  21     sb!kernel::undefined-alien-function-error
  22     sb!kernel::memory-fault-error
  23     sb!kernel::unhandled-trap-error
  24     sb!di::handle-breakpoint
  25     sb!di::handle-single-step-trap
  26     fdefinition-object
  27     #!+sb-thread sb!thread::run-interruption
  28     #!+win32 sb!kernel::handle-win32-exception))
  29
  30 (defparameter *common-static-symbols*
  31   '(t
  32
  33     ;; filled in by the C code to propagate to Lisp
  34     *posix-argv* *core-string*
  35
  36     ;; free pointers.  Note that these are FIXNUM word counts, not (as
  37     ;; one might expect) byte counts or SAPs. The reason seems to be
  38     ;; that by representing them this way, we can avoid consing
  39     ;; bignums.  -- WHN 2000-10-02
  40     *read-only-space-free-pointer*
  41     *static-space-free-pointer*
  42
  43     ;; things needed for non-local-exit
  44     *current-catch-block*
  45     *current-unwind-protect-block*
  46
  47     ;; stack pointers
  48     *binding-stack-start*
  49     *control-stack-start*
  50     *control-stack-end*
  51
  52     ;; interrupt handling
  53     *alloc-signal*
  54     *free-interrupt-context-index*
  55     sb!unix::*allow-with-interrupts*
  56     sb!unix::*interrupts-enabled*
  57     sb!unix::*interrupt-pending*
  58     *gc-inhibit*
  59     *gc-pending*
  60     #!-sb-thread
  61     *stepping*
  62
  63     ;; Dispatch tables for generic array access
  64     sb!impl::*data-vector-reffers*
  65     sb!impl::*data-vector-setters*
  66     sb!impl::*data-vector-reffers/check-bounds*
  67     sb!impl::*data-vector-setters/check-bounds*
  68
  69     ;; hash table weaknesses
  70     :key
  71     :value
  72     :key-and-value
  73     :key-or-value))
  74
  75 ;;; Number of entries in the thread local storage. Limits the number
  76 ;;; of symbols with thread local bindings.
  77 (def!constant tls-size 4096)