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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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8
hotspot/src/share/vm/code/nmethod.cpp
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@ -1,5 +1,5 @@
/*
* Copyright 1997-2008 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
@ -966,7 +966,7 @@ ScopeDesc* nmethod::scope_desc_at(address pc) {
PcDesc* pd = pc_desc_at(pc);
guarantee(pd != NULL, "scope must be present");
return new ScopeDesc(this, pd->scope_decode_offset(),
pd->obj_decode_offset());
pd->obj_decode_offset(), pd->should_reexecute());
}
@ -1932,7 +1932,7 @@ void nmethod::verify_interrupt_point(address call_site) {
PcDesc* pd = pc_desc_at(ic->end_of_call());
assert(pd != NULL, "PcDesc must exist");
for (ScopeDesc* sd = new ScopeDesc(this, pd->scope_decode_offset(),
pd->obj_decode_offset());
pd->obj_decode_offset(), pd->should_reexecute());
!sd->is_top(); sd = sd->sender()) {
sd->verify();
}
@ -2181,7 +2181,7 @@ ScopeDesc* nmethod::scope_desc_in(address begin, address end) {
PcDesc* p = pc_desc_near(begin+1);
if (p != NULL && p->real_pc(this) <= end) {
return new ScopeDesc(this, p->scope_decode_offset(),
p->obj_decode_offset());
p->obj_decode_offset(), p->should_reexecute());
}
return NULL;
}