From edcd1f499066bf312db4ec358d8aa07a8ac5e07c Mon Sep 17 00:00:00 2001
From: twisti <unknown>
Date: Fri, 7 May 2010 04:20:56 -0700
Subject: [PATCH] 6950617: Zero/Shark interface updates Summary: Zero needs a
 couple of new methods to allow Shark to access the new frame anchor field.
 Reviewed-by: twisti Contributed-by: Gary Benson <gbenson@redhat.com>

---
 src/cpu/zero/vm/frame_zero.cpp                 | 4 ++++
 src/cpu/zero/vm/frame_zero.hpp                 | 3 +++
 src/cpu/zero/vm/javaFrameAnchor_zero.hpp       | 4 ++++
 src/os_cpu/linux_zero/vm/thread_linux_zero.hpp | 6 ++++++
 4 files changed, 17 insertions(+)

diff --git a/src/cpu/zero/vm/frame_zero.cpp b/src/cpu/zero/vm/frame_zero.cpp
index 0bf4ae68b..6a573a625 100644
--- a/src/cpu/zero/vm/frame_zero.cpp
+++ b/src/cpu/zero/vm/frame_zero.cpp
@@ -36,6 +36,10 @@ bool frame::is_interpreted_frame() const {
   return zeroframe()->is_interpreter_frame();
 }
 
+bool frame::is_fake_stub_frame() const {
+  return zeroframe()->is_fake_stub_frame();
+}
+
 frame frame::sender_for_entry_frame(RegisterMap *map) const {
   assert(zeroframe()->is_entry_frame(), "wrong type of frame");
   assert(map != NULL, "map must be set");
diff --git a/src/cpu/zero/vm/frame_zero.hpp b/src/cpu/zero/vm/frame_zero.hpp
index 31815eb24..4d32a5b81 100644
--- a/src/cpu/zero/vm/frame_zero.hpp
+++ b/src/cpu/zero/vm/frame_zero.hpp
@@ -61,6 +61,9 @@
     return zeroframe()->as_shark_frame();
   }
 
+ public:
+  bool is_fake_stub_frame() const;
+
  public:
   frame sender_for_nonentry_frame(RegisterMap* map) const;
 
diff --git a/src/cpu/zero/vm/javaFrameAnchor_zero.hpp b/src/cpu/zero/vm/javaFrameAnchor_zero.hpp
index 7665780bc..93e25a274 100644
--- a/src/cpu/zero/vm/javaFrameAnchor_zero.hpp
+++ b/src/cpu/zero/vm/javaFrameAnchor_zero.hpp
@@ -81,3 +81,7 @@
   ZeroFrame* last_Java_fp() const {
     return _last_Java_fp;
   }
+
+  static ByteSize last_Java_fp_offset() {
+    return byte_offset_of(JavaFrameAnchor, _last_Java_fp);
+  }
diff --git a/src/os_cpu/linux_zero/vm/thread_linux_zero.hpp b/src/os_cpu/linux_zero/vm/thread_linux_zero.hpp
index aea901199..b92daee96 100644
--- a/src/os_cpu/linux_zero/vm/thread_linux_zero.hpp
+++ b/src/os_cpu/linux_zero/vm/thread_linux_zero.hpp
@@ -88,6 +88,12 @@
     return frame(last_Java_fp(), last_Java_sp());
   }
 
+ public:
+  static ByteSize last_Java_fp_offset() {
+    return byte_offset_of(JavaThread, _anchor) +
+      JavaFrameAnchor::last_Java_fp_offset();
+  }
+
  public:
   // Check for pending suspend requests and pending asynchronous
   // exceptions.  There are separate accessors for these, but
-- 
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