Mercurial > hg > graal-compiler
view src/share/vm/ci/ciMethodBlocks.hpp @ 12258:69f26e8e09f9
8024760: add more types, fields and constants to VMStructs
Reviewed-by: kvn, coleenp
author | twisti |
---|---|
date | Fri, 13 Sep 2013 16:55:44 -0700 |
parents | f95d63e2154a |
children |
line wrap: on
line source
/* * Copyright (c) 2006, 2010, Oracle and/or its affiliates. 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 * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_CI_CIMETHODBLOCKS_HPP #define SHARE_VM_CI_CIMETHODBLOCKS_HPP #include "ci/ciMethod.hpp" #include "memory/resourceArea.hpp" #include "utilities/growableArray.hpp" class ciBlock; typedef short ciBlockIndex; class ciMethodBlocks : public ResourceObj { private: ciMethod *_method; Arena *_arena; GrowableArray<ciBlock *> *_blocks; ciBlock **_bci_to_block; int _num_blocks; int _code_size; void do_analysis(); public: ciMethodBlocks(Arena *arena, ciMethod *meth); ciBlock *block_containing(int bci); ciBlock *block(int index) { return _blocks->at(index); } ciBlock *make_block_at(int bci); ciBlock *split_block_at(int bci); bool is_block_start(int bci); int num_blocks() { return _num_blocks;} void clear_processed(); ciBlock *make_dummy_block(); // a block not associated with a bci #ifndef PRODUCT void dump(); #endif }; class ciBlock : public ResourceObj { private: int _idx; int _start_bci; int _limit_bci; int _control_bci; uint _flags; int _ex_start_bci; int _ex_limit_bci; #ifndef PRODUCT ciMethod *_method; #endif enum { Processed = (1 << 0), Handler = (1 << 1), MayThrow = (1 << 2), DoesJsr = (1 << 3), DoesRet = (1 << 4), RetTarget = (1 << 5), HasHandler = (1 << 6) }; public: enum { fall_through_bci = -1 }; ciBlock(ciMethod *method, int index, int start_bci); int start_bci() const { return _start_bci; } int limit_bci() const { return _limit_bci; } int control_bci() const { return _control_bci; } int index() const { return _idx; } void set_start_bci(int bci) { _start_bci = bci; } void set_limit_bci(int bci) { _limit_bci = bci; } void set_control_bci(int bci) { _control_bci = bci;} void set_exception_range(int start_bci, int limit_bci); int ex_start_bci() const { return _ex_start_bci; } int ex_limit_bci() const { return _ex_limit_bci; } bool contains(int bci) const { return start_bci() <= bci && bci < limit_bci(); } // flag handling bool processed() const { return (_flags & Processed) != 0; } bool is_handler() const { return (_flags & Handler) != 0; } bool may_throw() const { return (_flags & MayThrow) != 0; } bool does_jsr() const { return (_flags & DoesJsr) != 0; } bool does_ret() const { return (_flags & DoesRet) != 0; } bool has_handler() const { return (_flags & HasHandler) != 0; } bool is_ret_target() const { return (_flags & RetTarget) != 0; } void set_processed() { _flags |= Processed; } void clear_processed() { _flags &= ~Processed; } void set_handler() { _flags |= Handler; } void set_may_throw() { _flags |= MayThrow; } void set_does_jsr() { _flags |= DoesJsr; } void clear_does_jsr() { _flags &= ~DoesJsr; } void set_does_ret() { _flags |= DoesRet; } void clear_does_ret() { _flags &= ~DoesRet; } void set_is_ret_target() { _flags |= RetTarget; } void set_has_handler() { _flags |= HasHandler; } void clear_exception_handler() { _flags &= ~Handler; _ex_start_bci = -1; _ex_limit_bci = -1; } #ifndef PRODUCT ciMethod *method() const { return _method; } void dump(); void print_on(outputStream* st) const PRODUCT_RETURN; #endif }; #endif // SHARE_VM_CI_CIMETHODBLOCKS_HPP