GenSpecialCase support for x86

Moved GenSpecialCase from being ARM specific to common code to allow
it to be used by x86 quick as well.

Change-Id: I728733e8f4c4da99af6091ef77e5c76ae0fee850
Signed-off-by: Razvan A Lupusoru <razvan.a.lupusoru@intel.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/runtime/stack.h b/runtime/stack.h
index 8466069..2d56a74 100644
--- a/runtime/stack.h
+++ b/runtime/stack.h
@@ -654,10 +654,16 @@ class StackVisitor {
     }  else if (reg < num_regs) {
       return locals_start + (reg * sizeof(uint32_t));
     } else {
-      return frame_size + ((reg - num_regs) * sizeof(uint32_t)) + sizeof(uint32_t);  // Dalvik in.
+      // Handle ins.
+      return frame_size + ((reg - num_regs) * sizeof(uint32_t)) + sizeof(StackReference<mirror::ArtMethod>);
     }
   }
 
+  static int GetOutVROffset(uint16_t out_num) {
+    // According to stack model, the first out is above the Method ptr.
+    return sizeof(StackReference<mirror::ArtMethod>) + (out_num * sizeof(uint32_t));
+  }
+
   uintptr_t GetCurrentQuickFramePc() const {
     return cur_quick_frame_pc_;
   }