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6873116: Modify reexecute implementation to use pcDesc to record the reexecute bit

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Use PcDesc to keep record of the reexecute bit instead of using DebugInfoStreams

Reviewed-by: kvn, never, twisti
This commit is contained in:
Changpeng Fang 2009-08-20 12:42:57 -07:00
parent 15b6cdf897
commit ff9a1bddb5
16 changed files with 76 additions and 58 deletions
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9
hotspot/src/share/vm/code/scopeDesc.hpp
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@ -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
@ -39,8 +39,7 @@ class SimpleScopeDesc : public StackObj {
DebugInfoReadStream buffer(code, pc_desc->scope_decode_offset());
int ignore_sender = buffer.read_int();
_method = methodOop(buffer.read_oop());
bool dummy_reexecute; //only methodOop and bci are needed!
_bci = buffer.read_bci_and_reexecute(dummy_reexecute);
_bci = buffer.read_bci();
}
methodOop method() { return _method; }
@ -53,12 +52,12 @@ class SimpleScopeDesc : public StackObj {
class ScopeDesc : public ResourceObj {
public:
// Constructor
ScopeDesc(const nmethod* code, int decode_offset, int obj_decode_offset);
ScopeDesc(const nmethod* code, int decode_offset, int obj_decode_offset, bool reexecute);
// Calls above, giving default value of "serialized_null" to the
// "obj_decode_offset" argument. (We don't use a default argument to
// avoid a .hpp-.hpp dependency.)
ScopeDesc(const nmethod* code, int decode_offset);
ScopeDesc(const nmethod* code, int decode_offset, bool reexecute);
// JVM state
methodHandle method() const { return _method; }