Mercurial > hg > graal-compiler
view src/cpu/sparc/vm/stubRoutines_sparc.hpp @ 6510:fbcbb6ba16cd
javadoc and visualizer fixes
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Fri, 05 Oct 2012 09:01:20 +0200 |
parents | f7d55ea6ee56 |
children | 46c544b8fbfc |
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/* * Copyright (c) 1997, 2011, 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 CPU_SPARC_VM_STUBROUTINES_SPARC_HPP #define CPU_SPARC_VM_STUBROUTINES_SPARC_HPP // This file holds the platform specific parts of the StubRoutines // definition. See stubRoutines.hpp for a description on how to // extend it. // So unfortunately c2 will call with a pc from a frame object // (already adjusted) and a raw pc (unadjusted), so we need to check both. // It didn't use to be like this before adapter removal. static bool returns_to_call_stub(address return_pc) { return ((return_pc + frame::pc_return_offset) == _call_stub_return_address) || (return_pc == _call_stub_return_address ); } enum /* platform_dependent_constants */ { // %%%%%%%% May be able to shrink this a lot code_size1 = 20000, // simply increase if too small (assembler will crash if too small) code_size2 = 20000 // simply increase if too small (assembler will crash if too small) }; class Sparc { friend class StubGenerator; public: enum { nof_instance_allocators = 10 }; // allocator lock values enum { unlocked = 0, locked = 1 }; enum { v8_oop_lock_ignore_bits = 2, v8_oop_lock_bits = 4, nof_v8_oop_lock_cache_entries = 1 << (v8_oop_lock_bits+v8_oop_lock_ignore_bits), v8_oop_lock_mask = right_n_bits(v8_oop_lock_bits), v8_oop_lock_mask_in_place = v8_oop_lock_mask << v8_oop_lock_ignore_bits }; static int _v8_oop_lock_cache[nof_v8_oop_lock_cache_entries]; private: static address _test_stop_entry; static address _stop_subroutine_entry; static address _flush_callers_register_windows_entry; static int _atomic_memory_operation_lock; static address _partial_subtype_check; public: // %%% global lock for everyone who needs to use atomic_compare_and_exchange // %%% or atomic_increment -- should probably use more locks for more // %%% scalability-- for instance one for each eden space or group of // address of the lock for atomic_compare_and_exchange static int* atomic_memory_operation_lock_addr() { return &_atomic_memory_operation_lock; } // accessor and mutator for _atomic_memory_operation_lock static int atomic_memory_operation_lock() { return _atomic_memory_operation_lock; } static void set_atomic_memory_operation_lock(int value) { _atomic_memory_operation_lock = value; } // test assembler stop routine by setting registers static void (*test_stop_entry()) () { return CAST_TO_FN_PTR(void (*)(void), _test_stop_entry); } // a subroutine for debugging assembler code static address stop_subroutine_entry_address() { return (address)&_stop_subroutine_entry; } // flushes (all but current) register window static intptr_t* (*flush_callers_register_windows_func())() { return CAST_TO_FN_PTR(intptr_t* (*)(void), _flush_callers_register_windows_entry); } static address partial_subtype_check() { return _partial_subtype_check; } }; #endif // CPU_SPARC_VM_STUBROUTINES_SPARC_HPP