Mercurial > hg > graal-compiler
view src/os_cpu/linux_x86/vm/thread_linux_x86.hpp @ 1536:892898e961c5
Merge
author | dcubed |
---|---|
date | Mon, 17 May 2010 07:11:27 -0700 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 2000-2007 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 * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ private: void pd_initialize() { _anchor.clear(); } frame pd_last_frame() { assert(has_last_Java_frame(), "must have last_Java_sp() when suspended"); if (_anchor.last_Java_pc() != NULL) { return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp(), _anchor.last_Java_pc()); } else { // This will pick up pc from sp return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp()); } } public: // Mutators are highly dangerous.... intptr_t* last_Java_fp() { return _anchor.last_Java_fp(); } void set_last_Java_fp(intptr_t* fp) { _anchor.set_last_Java_fp(fp); } void set_base_of_stack_pointer(intptr_t* base_sp) { } static ByteSize last_Java_fp_offset() { return byte_offset_of(JavaThread, _anchor) + JavaFrameAnchor::last_Java_fp_offset(); } intptr_t* base_of_stack_pointer() { return NULL; } void record_base_of_stack_pointer() { } bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext, bool isInJava); // These routines are only used on cpu architectures that // have separate register stacks (Itanium). static bool register_stack_overflow() { return false; } static void enable_register_stack_guard() {} static void disable_register_stack_guard() {}