Mercurial > hg > truffle
view src/cpu/zero/vm/icBuffer_zero.cpp @ 1976:0fc262af204f
6780143: hs203t003 hits SIGSEGV/EXCEPTION_ACCESS_VIOLATION with -XX:+UseCompressedOops
Summary: Using r12 as temporary register around call_VM trashes heapbase becausecall_VM doesn't always return immediately to following code (eg forward_exception, popframe and early return support).
Reviewed-by: never, kvn
author | coleenp |
---|---|
date | Mon, 29 Nov 2010 15:43:36 -0500 |
parents | f95d63e2154a |
children | da91efe96a93 |
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/* * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. * Copyright 2007 Red Hat, Inc. * 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. * */ #include "precompiled.hpp" #include "asm/assembler.hpp" #include "assembler_zero.inline.hpp" #include "code/icBuffer.hpp" #include "gc_interface/collectedHeap.inline.hpp" #include "interpreter/bytecodes.hpp" #include "memory/resourceArea.hpp" #include "nativeInst_zero.hpp" #include "oops/oop.inline.hpp" #include "oops/oop.inline2.hpp" int InlineCacheBuffer::ic_stub_code_size() { // NB set this once the functions below are implemented return 4; } void InlineCacheBuffer::assemble_ic_buffer_code(address code_begin, oop cached_oop, address entry_point) { // NB ic_stub_code_size() must return the size of the code we generate ShouldNotCallThis(); } address InlineCacheBuffer::ic_buffer_entry_point(address code_begin) { // NB ic_stub_code_size() must return the size of the code we generate ShouldNotCallThis(); } oop InlineCacheBuffer::ic_buffer_cached_oop(address code_begin) { // NB ic_stub_code_size() must return the size of the code we generate ShouldNotCallThis(); }