1 files changed, 36 insertions, 0 deletions
diff --git a/Python/ceval_macros.h b/Python/ceval_macros.h
index 635b8e5..4b7c444 100644
--- a/Python/ceval_macros.h
+++ b/Python/ceval_macros.h
@@ -373,3 +373,39 @@ static inline int _Py_EnterRecursivePy(PyThreadState *tstate) {
 static inline void _Py_LeaveRecursiveCallPy(PyThreadState *tstate)  {
     tstate->py_recursion_remaining++;
 }
+
+
+/* Implementation of "macros" that modify the instruction pointer,
+ * stack pointer, or frame pointer.
+ * These need to treated differently by tier 1 and 2. */
+
+#if TIER_ONE
+
+#define LOAD_IP() \
+do { next_instr = frame->prev_instr+1; } while (0)
+
+#define STORE_SP() \
+_PyFrame_SetStackPointer(frame, stack_pointer)
+
+#define LOAD_SP() \
+stack_pointer = _PyFrame_GetStackPointer(frame);
+
+#endif
+
+
+#if TIER_TWO
+
+#define LOAD_IP() \
+do { ip_offset = (_Py_CODEUNIT *)_PyFrame_GetCode(frame)->co_code_adaptive; } while (0)
+
+#define STORE_SP() \
+_PyFrame_SetStackPointer(frame, stack_pointer)
+
+#define LOAD_SP() \
+stack_pointer = _PyFrame_GetStackPointer(frame);
+
+#endif
+
+
+
+