X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fppc%2Fparms.lisp;h=aaebb5385b2e88c594edb5baa018eb3fbe56548e;hb=a74b61e0469b5954e48600600c0b7b7fe4ff46f8;hp=d5f88c892096887f63e22bef6d0e7ca3edbfed15;hpb=02c9007b4ca5753406f60019f4fe5e5f8392541a;p=sbcl.git

diff --git a/src/compiler/ppc/parms.lisp b/src/compiler/ppc/parms.lisp
index d5f88c8..aaebb53 100644
--- a/src/compiler/ppc/parms.lisp
+++ b/src/compiler/ppc/parms.lisp
@@ -2,20 +2,27 @@
 ;;;; attributes for the PPC.  This file is separate from other stuff so 
 ;;;; that it can be compiled and loaded earlier. 
 
+;;;; This software is part of the SBCL system. See the README file for
+;;;; more information.
+;;;;
+;;;; This software is derived from the CMU CL system, which was
+;;;; written at Carnegie Mellon University and released into the
+;;;; public domain. The software is in the public domain and is
+;;;; provided with absolutely no warranty. See the COPYING and CREDITS
+;;;; files for more information.
 
 (in-package "SB!VM")
 
-(def!constant n-word-bits 32
-  "Number of bits per word where a word holds one lisp descriptor.")
+;;; number of bits per word where a word holds one lisp descriptor
+(def!constant n-word-bits 32)
 
-(def!constant n-byte-bits 8
-  "Number of bits per byte where a byte is the smallest addressable object.")
+;;; the natural width of a machine word (as seen in e.g. register width,
+;;; address space)
+(def!constant n-machine-word-bits 32)
 
-(def!constant word-shift (1- (integer-length (/ n-word-bits n-byte-bits)))
-  "Number of bits to shift between word addresses and byte addresses.")
-
-(def!constant n-word-bytes (/ n-word-bits n-byte-bits)
-  "Number of bytes in a word.")
+;;; number of bits per byte where a byte is the smallest addressable
+;;; object
+(def!constant n-byte-bits 8)
 
 
 (def!constant float-sign-shift 31)
@@ -74,21 +81,8 @@
 
 (def!constant float-fast-bit 2)		; Non-IEEE mode
 
-
-;;; NUMBER-STACK-DISPLACEMENT
-;;;
-;;; The number of bytes reserved above the number stack pointer.  These
-;;; slots are required by architecture, mostly (?) to make C backtrace
-;;; work.
-;;; 
-(def!constant number-stack-displacement
-  (* 2 sb!vm:n-word-bytes))
-
 
-
-
 ;;; Where to put the different spaces.
-;;; 
 
 (def!constant read-only-space-start #x01000000)
 (def!constant read-only-space-end   #x04ff8000)
@@ -108,7 +102,11 @@
 (def!constant dynamic-1-space-start #x48000000)
 (def!constant dynamic-1-space-end   #x4ffff000)
 
-
+#+darwin
+(progn
+  (def!constant linkage-table-space-start #x50000000)
+  (def!constant linkage-table-space-end   #x51000000)
+  (def!constant linkage-table-entry-size 16))
 
 
 ;;;; Other random constants.
@@ -155,6 +153,7 @@
     sb!impl::sub-gc
     sb!kernel::internal-error
     sb!kernel::control-stack-exhausted-error
+    sb!kernel::undefined-alien-error
     sb!di::handle-breakpoint
     sb!impl::fdefinition-object
 
@@ -196,6 +195,7 @@
     sb!kernel:two-arg-and
     sb!kernel:two-arg-ior
     sb!kernel:two-arg-xor
+    sb!kernel:two-arg-eqv
     sb!kernel:two-arg-gcd
     sb!kernel:two-arg-lcm))