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6943304: remove tagged stack interpreter

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Reviewed-by: coleenp, never, gbenson
This commit is contained in:
Christian Thalinger 2010-04-30 08:37:24 -07:00
parent 55457c9cc7
commit 0211f9703a
51 changed files with 510 additions and 1891 deletions
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26
hotspot/src/share/vm/runtime/frame.hpp
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@ -1,5 +1,5 @@
/*
* Copyright 1997-2009 Sun Microsystems, Inc. All Rights Reserved.
* Copyright 1997-2010 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
@ -191,26 +191,10 @@ class frame VALUE_OBJ_CLASS_SPEC {
intptr_t* interpreter_frame_mdx_addr() const;
public:
// Tags for TaggedStackInterpreter
enum Tag {
TagValue = 0, // Important: must be zero to use G0 on sparc.
TagReference = 0x555, // Reference type - is an oop that needs gc.
TagCategory2 = 0x666 // Only used internally by interpreter
// and not written to the java stack.
// The values above are chosen so that misuse causes a crash
// with a recognizable value.
};
static Tag tag_for_basic_type(BasicType typ) {
return (typ == T_OBJECT ? TagReference : TagValue);
}
// Locals
// The _at version returns a pointer because the address is used for GC.
intptr_t* interpreter_frame_local_at(int index) const;
Tag interpreter_frame_local_tag(int index) const;
void interpreter_frame_set_local_tag(int index, Tag tag) const;
void interpreter_frame_set_locals(intptr_t* locs);
@ -260,8 +244,6 @@ class frame VALUE_OBJ_CLASS_SPEC {
// The _at version returns a pointer because the address is used for GC.
intptr_t* interpreter_frame_expression_stack_at(jint offset) const;
Tag interpreter_frame_expression_stack_tag(jint offset) const;
void interpreter_frame_set_expression_stack_tag(jint offset, Tag tag) const;
// top of expression stack
intptr_t* interpreter_frame_tos_at(jint offset) const;
@ -375,12 +357,6 @@ class frame VALUE_OBJ_CLASS_SPEC {
void oops_interpreted_do(OopClosure* f, const RegisterMap* map, bool query_oop_map_cache = true);
private:
void oops_interpreted_locals_do(OopClosure *f,
int max_locals,
InterpreterOopMap *mask);
void oops_interpreted_expressions_do(OopClosure *f, symbolHandle signature,
bool has_receiver, int max_stack, int max_locals,
InterpreterOopMap *mask);
void oops_interpreted_arguments_do(symbolHandle signature, bool has_receiver, OopClosure* f);
// Iteration of oops