Mercurial > hg > truffle
diff src/cpu/x86/vm/frame_x86.cpp @ 13434:a150ff9e8efc
Merge
author | hseigel |
---|---|
date | Fri, 06 Dec 2013 11:49:50 -0500 |
parents | c586f8a7322f |
children | 02f27ecb4f3a d3f14809b051 78bbf4d43a14 |
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--- a/src/cpu/x86/vm/frame_x86.cpp Fri Dec 06 11:33:10 2013 -0500 +++ b/src/cpu/x86/vm/frame_x86.cpp Fri Dec 06 11:49:50 2013 -0500 @@ -94,13 +94,6 @@ // other generic buffer blobs are more problematic so we just assume they are // ok. adapter blobs never have a frame complete and are never ok. - // check for a valid frame_size, otherwise we are unlikely to get a valid sender_pc - - if (!Interpreter::contains(_pc) && _cb->frame_size() <= 0) { - //assert(0, "Invalid frame_size"); - return false; - } - if (!_cb->is_frame_complete_at(_pc)) { if (_cb->is_nmethod() || _cb->is_adapter_blob() || _cb->is_runtime_stub()) { return false; @@ -144,6 +137,11 @@ // must be some sort of compiled/runtime frame // fp does not have to be safe (although it could be check for c1?) + // check for a valid frame_size, otherwise we are unlikely to get a valid sender_pc + if (_cb->frame_size() <= 0) { + return false; + } + sender_sp = _unextended_sp + _cb->frame_size(); // On Intel the return_address is always the word on the stack sender_pc = (address) *(sender_sp-1);