X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fmips%2Fcall.lisp;h=439541f2c84d0204e44f982578f8d1a5a8657685;hb=7e24349c17298e2959e853ea411b5f65d9f7f332;hp=8035520917b52f10a9cbaac1c8109e75a5c86d61;hpb=656f994cdddc89af3a99c8af266816b09879df4a;p=sbcl.git

diff --git a/src/compiler/mips/call.lisp b/src/compiler/mips/call.lisp
index 8035520..439541f 100644
--- a/src/compiler/mips/call.lisp
+++ b/src/compiler/mips/call.lisp
@@ -652,10 +652,14 @@ default-value-8
      (:vop-var vop)
      (:info ,@(unless (or variable (eq return :tail)) '(arg-locs))
             ,@(unless variable '(nargs))
-            ,@(when (eq return :fixed) '(nvals)))
+            ,@(when (eq return :fixed) '(nvals))
+            step-instrumenting)
 
      (:ignore ,@(unless (or variable (eq return :tail)) '(arg-locs))
-              ,@(unless variable '(args)))
+              ,@(unless variable '(args))
+              ;; Step instrumentation for full calls not implemented yet.
+              ;; See the PPC backend for an example.
+              step-instrumenting)
 
      (:temporary (:sc descriptor-reg
                   :offset ocfp-offset
@@ -1249,3 +1253,12 @@ default-value-8
   (frob unknown-key-arg-error unknown-key-arg-error
     sb!c::%unknown-key-arg-error key)
   (frob nil-fun-returned-error nil-fun-returned-error nil fun))
+
+;;; Single-stepping
+
+(define-vop (step-instrument-before-vop)
+  (:policy :fast-safe)
+  (:vop-var vop)
+  (:generator 3
+    ;; Stub! See the PPC backend for an example.
+    (note-this-location vop :step-before-vop)))