Author: Alex Gaynor <[email protected]>
Branch: logging-perf
Changeset: r64548:6d3b4aaf4678
Date: 2013-05-24 14:41 -0400
http://bitbucket.org/pypy/pypy/changeset/6d3b4aaf4678/
Log: Now it's also possible to access the top JIT'd frame "for free"
diff --git a/pypy/module/sys/vm.py b/pypy/module/sys/vm.py
--- a/pypy/module/sys/vm.py
+++ b/pypy/module/sys/vm.py
@@ -41,6 +41,16 @@
return space.wrap(f)
depth -= 1
f = ec.getnextframe_nohidden(f)
+
+ if f is None:
+ raise OperationError(space.w_ValueError,
+ space.wrap("call stack is not deep enough"))
+ if depth == 0:
+ f.mark_as_escaped()
+ return space.wrap(f)
+ depth -= 1
+ f = ec.getnextframe_nohidden(f)
+
return getframe_fallback(space, ec, depth, f)
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