X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fx86-64%2Fparms.lisp;h=9a029779a032e5eb8c921d55d5dceb7eb86798ec;hb=4ec0d70e08ea4b512d45ddbd6c82e8f6a91a914f;hp=a66c780aff287f5c2bea523a56573bec1898628a;hpb=04ee798422795a1e3d664c257a6b02b833eec4c6;p=sbcl.git

diff --git a/src/compiler/x86-64/parms.lisp b/src/compiler/x86-64/parms.lisp
index a66c780..9a02977 100644
--- a/src/compiler/x86-64/parms.lisp
+++ b/src/compiler/x86-64/parms.lisp
@@ -35,6 +35,12 @@
 ;;; addressable object
 (def!constant n-byte-bits 8)
 
+;;; The minimum immediate offset in a memory-referencing instruction.
+(def!constant minimum-immediate-offset (- (expt 2 31)))
+
+;;; The maximum immediate offset in a memory-referencing instruction.
+(def!constant maximum-immediate-offset (1- (expt 2 31)))
+
 (def!constant float-sign-shift 31)
 
 ;;; comment from CMU CL:
@@ -105,7 +111,12 @@
   (def!constant static-space-end          #x201ff000)
 
   (def!constant dynamic-space-start   #x1000000000)
+  #!-openbsd
   (def!constant dynamic-space-end     #x11ffff0000)
+  #!+openbsd
+  ;; This is lower on OpenBSD to allow SBCL to run under the default
+  ;; 512M data size limit.
+  (def!constant dynamic-space-end     #x101bcf0000)
 
   (def!constant linkage-table-space-start #x20200000)
   (def!constant linkage-table-space-end   #x202ff000)
@@ -115,32 +126,19 @@
 
 ;;;; other miscellaneous constants
 
-(defenum (:suffix -trap :start 8)
-  halt
-  pending-interrupt
-  error
-  cerror
-  breakpoint
-  fun-end-breakpoint
-  single-step-around
-  single-step-before)
-;;; FIXME: It'd be nice to replace all the DEFENUMs with something like
-;;;   (WITH-DEF-ENUM (:START 8)
-;;;     (DEF-ENUM HALT-TRAP)
-;;;     (DEF-ENUM PENDING-INTERRUPT-TRAP)
-;;;     ..)
-;;; for the benefit of anyone doing a lexical search for definitions
-;;; of these symbols.
-
-(defenum (:prefix object-not- :suffix -trap :start 24)
-  list
-  instance)
-
-(defenum (:prefix trace-table-)
-  normal
-  call-site
-  fun-prologue
-  fun-epilogue)
+(defenum (:start 8)
+  halt-trap
+  pending-interrupt-trap
+  error-trap
+  cerror-trap
+  breakpoint-trap
+  fun-end-breakpoint-trap
+  single-step-around-trap
+  single-step-before-trap)
+
+(defenum (:start 24)
+  object-not-list-trap
+  object-not-instance-trap)
 
 ;;;; static symbols
 
@@ -184,6 +182,9 @@
      ;; For GC-AND-SAVE
      *restart-lisp-function*
 
+     ;; For the UNWIND-TO-FRAME-AND-CALL VOP
+     *unwind-to-frame-function*
+
      ;; Needed for callbacks to work across saving cores. see
      ;; ALIEN-CALLBACK-ASSEMBLER-WRAPPER in c-call.lisp for gory
      ;; details.