X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Falpha-vm.lisp;h=1d7cf1153cbe4278545da43d6816aee01379907c;hb=80304981972c91c1b3f3fca75f36dacf1fecf307;hp=b309cf82fa34cce50a3e2fe2e94aff11e98ee5b3;hpb=63fcb94b875a97e468d9add229e220ecceec2352;p=sbcl.git

diff --git a/src/code/alpha-vm.lisp b/src/code/alpha-vm.lisp
index b309cf8..1d7cf11 100644
--- a/src/code/alpha-vm.lisp
+++ b/src/code/alpha-vm.lisp
@@ -15,7 +15,7 @@
 (defvar *bits-per-word* 64)
 
 ;;; See x86-vm.lisp for a description of this.
-(def-alien-type os-context-t (struct os-context-t-struct))
+(define-alien-type os-context-t (struct os-context-t-struct))
 
 ;;;; MACHINE-TYPE and MACHINE-VERSION
 
@@ -27,7 +27,7 @@
   "Alpha")
 
 (defun fixup-code-object (code offset value kind)
-  (unless (zerop (rem offset word-bytes))
+  (unless (zerop (rem offset n-word-bytes))
     (error "Unaligned instruction?  offset=#x~X." offset))
   (sb!sys:without-gcing
    (let ((sap (truly-the system-area-pointer
@@ -37,7 +37,8 @@
 	(assert (zerop (ldb (byte 2 0) value)))
 	#+nil
 	(setf (sap-ref-16 sap offset)
-	      (logior (sap-ref-16 sap offset) (ldb (byte 14 0) (ash value -2)))))
+	      (logior (sap-ref-16 sap offset)
+		      (ldb (byte 14 0) (ash value -2)))))
        (:bits-63-48
 	(let* ((value (if (logbitp 15 value) (+ value (ash 1 16)) value))
 	       (value (if (logbitp 31 value) (+ value (ash 1 32)) value))
@@ -57,7 +58,7 @@
 	(setf (sap-ref-8 sap offset) (ldb (byte 8 0) value))
 	(setf (sap-ref-8 sap (1+ offset)) (ldb (byte 8 8) value)))))))
 
-;;;; "Sigcontext" access functions, cut & pasted from x86-vm.lisp then
+;;;; "sigcontext" access functions, cut & pasted from x86-vm.lisp then
 ;;;; hacked for types.
 ;;;;
 ;;;; KLUDGE: The alpha has 64-bit registers, so these potentially
@@ -71,14 +72,14 @@
 ;;;;
 ;;;; See also x86-vm for commentary on signed vs unsigned.
 
-(def-alien-routine ("os_context_pc_addr" context-pc-addr) (* unsigned-long)
+(define-alien-routine ("os_context_pc_addr" context-pc-addr) (* unsigned-long)
   (context (* os-context-t)))
 
 (defun context-pc (context)
   (declare (type (alien (* os-context-t)) context))
   (int-sap (deref (context-pc-addr context))))
 
-(def-alien-routine ("os_context_register_addr" context-register-addr)
+(define-alien-routine ("os_context_register_addr" context-register-addr)
   (* unsigned-long)
   (context (* os-context-t))
   (index int))
@@ -87,19 +88,22 @@
 ;;; (Are they used in anything time-critical, or just the debugger?)
 (defun context-register (context index)
   (declare (type (alien (* os-context-t)) context))
-  (deref (context-register-addr context index)))
+  (deref (the (alien (* unsigned-long))
+	   (context-register-addr context index))))
 
 (defun %set-context-register (context index new)
-(declare (type (alien (* os-context-t)) context))
-(setf (deref (context-register-addr context index))
-      new))
+  (declare (type (alien (* os-context-t)) context))
+  (setf (deref (the (alien (* unsigned-long))
+		 (context-register-addr context index)))
+	new))
 
 ;;; This is like CONTEXT-REGISTER, but returns the value of a float
 ;;; register. FORMAT is the type of float to return.
 
 ;;; FIXME: Whether COERCE actually knows how to make a float out of a
 ;;; long is another question. This stuff still needs testing.
-(def-alien-routine ("os_context_fpregister_addr" context-float-register-addr)
+(define-alien-routine ("os_context_fpregister_addr"
+		       context-float-register-addr)
   (* long)
   (context (* os-context-t))
   (index int))
@@ -133,7 +137,7 @@
 
   0)
 
-;;;; INTERNAL-ERROR-ARGUMENTS
+;;;; INTERNAL-ERROR-ARGS
 
 ;;; Given a (POSIX) signal context, extract the internal error
 ;;; arguments from the instruction stream.  This is e.g.
@@ -143,9 +147,8 @@
 ;;;  (pc)
 ;;; (example from undefined_tramp: "(gdb) x/40ub 0x10148" for yourself
 ;;; to replicate)
-(defun internal-error-arguments (context)
+(defun internal-error-args (context)
   (declare (type (alien (* os-context-t)) context))
-  (sb!int::/show0 "entering INTERNAL-ERROR-ARGUMENTS")
   (let ((pc (context-pc context)))
     (declare (type system-area-pointer pc))
     ;; pc is a SAP pointing at - or actually, shortly after -
@@ -154,10 +157,9 @@
            (vector (make-array length :element-type '(unsigned-byte 8))))
       (declare (type (unsigned-byte 8) length)
                (type (simple-array (unsigned-byte 8) (*)) vector))
-      (copy-from-system-area pc (* sb!vm:byte-bits 5)
-                             vector (* sb!vm:word-bits
-                                       sb!vm:vector-data-offset)
-                             (* length sb!vm:byte-bits))
+      (copy-from-system-area pc (* n-byte-bits 5)
+                             vector (* n-word-bits vector-data-offset)
+                             (* length n-byte-bits))
       (let* ((index 0)
              (error-number (sb!c::read-var-integer vector index)))
         (collect ((sc-offsets))
@@ -169,9 +171,10 @@
 
 ;;; The loader uses this to convert alien names to the form they
 ;;; occure in the symbol table (for example, prepending an
-;;; underscore). On the Alpha we don't do anything.
+;;; underscore). 
 (defun extern-alien-name (name)
   (declare (type simple-base-string name))
+  ;; On the Alpha we don't do anything.
   name)
 
 ;;;; Do whatever is necessary to make the given code component