Mercurial > hg > graal-compiler
view src/os_cpu/solaris_x86/vm/thread_solaris_x86.cpp @ 7303:7952e3cfa6ed
Fix wrong @Operation annotations
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Mon, 07 Jan 2013 19:02:39 -0800 |
parents | f34d701e952e |
children | f2110083203d |
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/* * Copyright (c) 2003, 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. * */ #include "precompiled.hpp" #include "runtime/frame.inline.hpp" #include "runtime/thread.inline.hpp" // For Forte Analyzer AsyncGetCallTrace profiling support - thread is // currently interrupted by SIGPROF bool JavaThread::pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext, bool isInJava) { assert(Thread::current() == this, "caller must be current thread"); assert(this->is_Java_thread(), "must be JavaThread"); JavaThread* jt = (JavaThread *)this; // last_Java_frame is always walkable and safe use it if we have it if (jt->has_last_Java_frame()) { *fr_addr = jt->pd_last_frame(); return true; } ucontext_t* uc = (ucontext_t*) ucontext; // We always want to use the initial frame we create from the ucontext as // it certainly signals where we currently are. However that frame may not // be safe for calling sender. In that case if we have a last_Java_frame // then the forte walker will switch to that frame as the virtual sender // for the frame we create here which is not sender safe. intptr_t* ret_fp; intptr_t* ret_sp; ExtendedPC addr = os::Solaris::fetch_frame_from_ucontext(this, uc, &ret_sp, &ret_fp); // Something would really have to be screwed up to get a NULL pc if (addr.pc() == NULL ) { assert(false, "NULL pc from signal handler!"); return false; } // If sp and fp are nonsense just leave them out if ((address)ret_sp >= jt->stack_base() || (address)ret_sp < jt->stack_base() - jt->stack_size() ) { ret_sp = NULL; ret_fp = NULL; } else { // sp is reasonable is fp reasonable? if ( (address)ret_fp >= jt->stack_base() || ret_fp < ret_sp) { ret_fp = NULL; } } frame ret_frame(ret_sp, ret_fp, addr.pc()); *fr_addr = ret_frame; return true; } void JavaThread::cache_global_variables() { }