Mercurial > hg > truffle
diff src/share/vm/code/debugInfo.hpp @ 931:72088be4b386
6873116: Modify reexecute implementation to use pcDesc to record the reexecute bit
Summary: use PcDesc to keep record of the reexecute bit instead of using DebugInfoStreams
Reviewed-by: kvn, never, twisti
| author | cfang |
|---|---|
| date | Thu, 20 Aug 2009 12:42:57 -0700 |
| parents | 9987d9d5eb0e |
| children | c18cbe5936b8 |
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--- a/src/share/vm/code/debugInfo.hpp Wed Aug 19 19:05:18 2009 -0700 +++ b/src/share/vm/code/debugInfo.hpp Thu Aug 20 12:42:57 2009 -0700 @@ -1,5 +1,5 @@ /* - * Copyright 1997-2006 Sun Microsystems, Inc. All Rights Reserved. + * Copyright 1997-2009 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it @@ -255,8 +255,7 @@ ScopeValue* read_object_value(); ScopeValue* get_cached_object(); // BCI encoding is mostly unsigned, but -1 is a distinguished value - // Decoding based on encoding: bci = InvocationEntryBci + read_int()/2; reexecute = read_int()%2 == 1 ? true : false; - int read_bci_and_reexecute(bool& reexecute) { int i = read_int(); reexecute = (i & 1) ? true : false; return (i >> 1) + InvocationEntryBci; } + int read_bci() { return read_int() + InvocationEntryBci; } }; // DebugInfoWriteStream specializes CompressedWriteStream for @@ -269,6 +268,5 @@ public: DebugInfoWriteStream(DebugInformationRecorder* recorder, int initial_size); void write_handle(jobject h); - //Encoding bci and reexecute into one word as (bci - InvocationEntryBci)*2 + reexecute - void write_bci_and_reexecute(int bci, bool reexecute) { write_int(((bci - InvocationEntryBci) << 1) + (reexecute ? 1 : 0)); } + void write_bci(int bci) { write_int(bci - InvocationEntryBci); } };