X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fmips%2Finsts.lisp;h=8e21fd8da28e8f04755f0e9975aad26274c95e36;hb=5c119c97cb1504dfdd5260fe8bcf1b8ac89ea3aa;hp=594e834d498bdb71e505bf88161c633bc3b63a57;hpb=481348f2f96f364374f669786f9fc61348decabc;p=sbcl.git

diff --git a/src/compiler/mips/insts.lisp b/src/compiler/mips/insts.lisp
index 594e834..8e21fd8 100644
--- a/src/compiler/mips/insts.lisp
+++ b/src/compiler/mips/insts.lisp
@@ -222,10 +222,10 @@
 
 (sb!disassem:define-instruction-format
     (break 32 :default-printer
-           '(:name :tab code (:unless (:constant 0) subcode)))
+           '(:name :tab code (:unless (:constant 0) ", " subcode)))
   (op :field (byte 6 26) :value special-op)
   (code :field (byte 10 16))
-  (subcode :field (byte 10 6) :value 0)
+  (subcode :field (byte 10 6))
   (funct :field (byte 6 0) :value #b001101))
 
 (sb!disassem:define-instruction-format
@@ -1025,16 +1025,15 @@
   nil)
 
 (defun snarf-error-junk (sap offset &optional length-only)
-  (let* ((length (sb!sys:sap-ref-8 sap offset))
+  (let* ((length (sap-ref-8 sap offset))
          (vector (make-array length :element-type '(unsigned-byte 8))))
-    (declare (type sb!sys:system-area-pointer sap)
+    (declare (type system-area-pointer sap)
              (type (unsigned-byte 8) length)
              (type (simple-array (unsigned-byte 8) (*)) vector))
     (cond (length-only
            (values 0 (1+ length) nil nil))
           (t
-           (sb!kernel:copy-ub8-from-system-area sap (1+ offset)
-                                                vector 0 length)
+           (copy-ub8-from-system-area sap (1+ offset) vector 0 length)
            (collect ((sc-offsets)
                      (lengths))
              (lengths 1)                ; the length byte
@@ -1063,28 +1062,40 @@
 (defun break-control (chunk inst stream dstate)
   (declare (ignore inst))
   (flet ((nt (x) (if stream (sb!disassem:note x dstate))))
-    (case (break-code chunk dstate)
-      (#.error-trap
-       (nt "Error trap")
-       (sb!disassem:handle-break-args #'snarf-error-junk stream dstate))
-      (#.cerror-trap
-       (nt "Cerror trap")
-       (sb!disassem:handle-break-args #'snarf-error-junk stream dstate))
-      (#.breakpoint-trap
-       (nt "Breakpoint trap"))
-      (#.pending-interrupt-trap
-       (nt "Pending interrupt trap"))
-      (#.halt-trap
-       (nt "Halt trap"))
-      (#.fun-end-breakpoint-trap
-       (nt "Function end breakpoint trap"))
-    )))
+    (when (= (break-code chunk dstate) 0)
+      (case (break-subcode chunk dstate)
+        (#.halt-trap
+         (nt "Halt trap"))
+        (#.pending-interrupt-trap
+         (nt "Pending interrupt trap"))
+        (#.error-trap
+         (nt "Error trap")
+         (sb!disassem:handle-break-args #'snarf-error-junk stream dstate))
+        (#.cerror-trap
+         (nt "Cerror trap")
+         (sb!disassem:handle-break-args #'snarf-error-junk stream dstate))
+        (#.breakpoint-trap
+         (nt "Breakpoint trap"))
+        (#.fun-end-breakpoint-trap
+         (nt "Function end breakpoint trap"))
+        (#.after-breakpoint-trap
+         (nt "After breakpoint trap"))
+        (#.pseudo-atomic-trap
+         (nt "Pseudo atomic trap"))
+        (#.object-not-list-trap
+         (nt "Object not list trap"))
+        (#.object-not-instance-trap
+         (nt "Object not instance trap"))
+        (#.single-step-around-trap
+         (nt "Single step around trap"))
+        (#.single-step-before-trap
+         (nt "Single step before trap"))))))
 
 (define-instruction break (segment code &optional (subcode 0))
   (:declare (type (unsigned-byte 10) code subcode))
   (:printer break ((op special-op) (funct #b001101))
-            '(:name :tab code (:unless (:constant 0) subcode))
-            :control #'break-control )
+            '(:name :tab code (:unless (:constant 0) ", " subcode))
+            :control #'break-control)
   :pinned
   (:cost 0)
   (:delay 0)
@@ -1178,8 +1189,8 @@
                    (inst or temp (ldb (byte 16 0) delta))
                    (inst addu dst src temp))))))
 
-;; code = fn - header - label-offset + other-pointer-tag
-(define-instruction compute-code-from-fn (segment dst src label temp)
+;; code = lip - header - label-offset + other-pointer-lowtag
+(define-instruction compute-code-from-lip (segment dst src label temp)
   (:declare (type tn dst src temp) (type label label))
   (:attributes variable-length)
   (:dependencies (reads src) (writes dst) (writes temp))
@@ -1207,6 +1218,7 @@
                                 (component-header-length)))))))
 
 ;; lra = code + other-pointer-tag + header + label-offset - other-pointer-tag
+;;     = code + header + label-offset
 (define-instruction compute-lra-from-code (segment dst src label temp)
   (:declare (type tn dst src temp) (type label label))
   (:attributes variable-length)