--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gpu/hsail/vm/gpu_hsail_Frame.hpp	Wed Mar 26 17:33:54 2014 +0100
@@ -0,0 +1,44 @@
+#ifndef GPU_HSAIL_FRAME_HPP
+#define GPU_HSAIL_FRAME_HPP
+
+#include "graal/graalEnv.hpp"
+#include "code/debugInfo.hpp"
+#include "code/location.hpp"
+
+// maximum registers that could be saved for now
+#define MAX_SREGS 32
+#define MAX_DREGS 16
+
+class HSAILFrame {
+  friend class VMStructs;
+private:
+  jint  _pc_offset;  // The HSAIL "pc_offset" where the exception happens
+  jbyte _num_s_regs;
+  jbyte _num_d_regs;
+  jshort _dreg_oops_map;  // bits = 1 if that dreg is an oop
+  jlong  _save_area[MAX_SREGS/2 + MAX_DREGS];  
+
+public:
+  // Accessors
+  jint pc_offset() { return _pc_offset; }
+  jint num_s_regs() {return _num_s_regs; }
+  jint num_d_regs() {return _num_d_regs; }
+  jint dreg_oops_map() {return _dreg_oops_map; }
+  jlong get_d_reg(int idx) {
+    char *p = (char *) _save_area;
+    int ofst = num_s_regs() * 4 + idx * 8;
+    return(*(jlong *) (p + ofst));
+  }
+  jint get_s_reg(int idx) {
+    char *p = (char *) _save_area;
+    int ofst = idx * 4;
+    return(*(jint *) (p + ofst));
+  }
+  void put_d_reg(int idx, jlong val) {
+    char *p = (char *) _save_area;
+    int ofst = num_s_regs() * 4 + idx * 8;
+    (*(jlong *) (p + ofst)) = val;
+  }
+};
+  
+#endif // GPU_HSAIL_FRAME_HPP