[turbofan] Add general support for sp-based frame access

src/compiler/linkage.h

Index: src/compiler/linkage.h
diff --git a/src/compiler/linkage.h b/src/compiler/linkage.h
index e1b7d4b58645c83626dc8ab6c5bf01b29c82851a..d28fd9a3a07271e6d01250375bde6d371b07941d 100644
--- a/src/compiler/linkage.h
+++ b/src/compiler/linkage.h
@@ -23,6 +23,7 @@ namespace compiler {
 
 const RegList kNoCalleeSaved = 0;
 
+class FrameAccessState;
 class Node;
 class OsrHelper;
 
@@ -352,7 +353,8 @@ class Linkage : public ZoneObject {
   // calling convention and the specific frame layout, and may thus be
   // architecture-specific. Negative spill slots indicate arguments on the
   // caller's frame.
-  FrameOffset GetFrameOffset(int spill_slot, Frame* frame) const;
+  FrameOffset GetFrameOffset(int spill_slot,
+                             FrameAccessState* frame_access_state) const;

[Benedikt Meurer, 2015/11/20 09:53:10]

Nit: pass as const* or const&.

[danno, 2015/11/24 12:02:00]

Done.

 
   static int FrameStateInputCount(Runtime::FunctionId function);