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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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5
hotspot/src/share/vm/code/pcDesc.cpp
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@ -1,5 +1,5 @@
/*
* Copyright 1997-2005 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
@ -26,9 +26,11 @@
# include "incls/_pcDesc.cpp.incl"
PcDesc::PcDesc(int pc_offset, int scope_decode_offset, int obj_decode_offset) {
assert(sizeof(PcDescFlags) <= 4, "occupies more than a word");
_pc_offset = pc_offset;
_scope_decode_offset = scope_decode_offset;
_obj_decode_offset = obj_decode_offset;
_flags.word = 0;
}
address PcDesc::real_pc(const nmethod* code) const {
@ -50,6 +52,7 @@ void PcDesc::print(nmethod* code) {
tty->print(" ");
sd->method()->print_short_name(tty);
tty->print(" @%d", sd->bci());
tty->print(" reexecute=%s", sd->should_reexecute()?"true":"false");
tty->cr();
}
#endif