Mercurial > hg > graal-compiler
diff src/cpu/sparc/vm/frame_sparc.cpp @ 10405:f2110083203d
8005849: JEP 167: Event-Based JVM Tracing
Reviewed-by: acorn, coleenp, sla
Contributed-by: Karen Kinnear <karen.kinnear@oracle.com>, Bengt Rutisson <bengt.rutisson@oracle.com>, Calvin Cheung <calvin.cheung@oracle.com>, Erik Gahlin <erik.gahlin@oracle.com>, Erik Helin <erik.helin@oracle.com>, Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>, Keith McGuigan <keith.mcguigan@oracle.com>, Mattias Tobiasson <mattias.tobiasson@oracle.com>, Markus Gronlund <markus.gronlund@oracle.com>, Mikael Auno <mikael.auno@oracle.com>, Nils Eliasson <nils.eliasson@oracle.com>, Nils Loodin <nils.loodin@oracle.com>, Rickard Backman <rickard.backman@oracle.com>, Staffan Larsen <staffan.larsen@oracle.com>, Stefan Karlsson <stefan.karlsson@oracle.com>, Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
| author | sla |
|---|---|
| date | Mon, 10 Jun 2013 11:30:51 +0200 |
| parents | f36e073d56a4 |
| children | e0c9a1d29eb4 |
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--- a/src/cpu/sparc/vm/frame_sparc.cpp Fri Jun 07 09:33:01 2013 -0700 +++ b/src/cpu/sparc/vm/frame_sparc.cpp Mon Jun 10 11:30:51 2013 +0200 @@ -252,6 +252,16 @@ return false; } + // Could be a zombie method + if (sender_blob->is_zombie() || sender_blob->is_unloaded()) { + return false; + } + + // Could be a zombie method + if (sender_blob->is_zombie() || sender_blob->is_unloaded()) { + return false; + } + // It should be safe to construct the sender though it might not be valid frame sender(_SENDER_SP, younger_sp, adjusted_stack); @@ -294,10 +304,10 @@ return jcw_safe; } - // If the frame size is 0 something is bad because every nmethod has a non-zero frame size + // If the frame size is 0 something (or less) is bad because every nmethod has a non-zero frame size // because you must allocate window space - if (sender_blob->frame_size() == 0) { + if (sender_blob->frame_size() <= 0) { assert(!sender_blob->is_nmethod(), "should count return address at least"); return false; }