truffle: src/os_cpu/solaris_x86/vm/thread_solaris

annotate src/os_cpu/solaris_x86/vm/thread_solaris_x86.cpp @ 3193:52087773be5b

IdealGraphVisualizer: Make scheduling more robust by ignoring graphs without any nodes and by using the node with the lowest id as root when there is no node labeled "Root" and no node without predecessors

author	Peter Hofer <peter.hofer@jku.at>
date	Fri, 08 Jul 2011 14:26:12 +0200
parents	f95d63e2154a
children	f34d701e952e

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1681 diff changeset	2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
0 a61af66fc99e Initial load duke parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load duke parents: diff changeset	4 *
a61af66fc99e Initial load duke parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load duke parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load duke parents: diff changeset	7 * published by the Free Software Foundation.
a61af66fc99e Initial load duke parents: diff changeset	8 *
a61af66fc99e Initial load duke parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load duke parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load duke parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load duke parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load duke parents: diff changeset	13 * accompanied this code).
a61af66fc99e Initial load duke parents: diff changeset	14 *
a61af66fc99e Initial load duke parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load duke parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load duke parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load duke parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 196 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 196 diff changeset	20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 196 diff changeset	21 * questions.
0 a61af66fc99e Initial load duke parents: diff changeset	22 *
a61af66fc99e Initial load duke parents: diff changeset	23 */
a61af66fc99e Initial load duke parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1681 diff changeset	25 #include "precompiled.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1681 diff changeset	26 #include "runtime/frame.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1681 diff changeset	27 #include "thread_solaris.inline.hpp"
0 a61af66fc99e Initial load duke parents: diff changeset	28
a61af66fc99e Initial load duke parents: diff changeset	29 // For Forte Analyzer AsyncGetCallTrace profiling support - thread is
a61af66fc99e Initial load duke parents: diff changeset	30 // currently interrupted by SIGPROF
a61af66fc99e Initial load duke parents: diff changeset	31 bool JavaThread::pd_get_top_frame_for_signal_handler(frame* fr_addr,
a61af66fc99e Initial load duke parents: diff changeset	32 void* ucontext, bool isInJava) {
a61af66fc99e Initial load duke parents: diff changeset	33
a61af66fc99e Initial load duke parents: diff changeset	34 assert(Thread::current() == this, "caller must be current thread");
a61af66fc99e Initial load duke parents: diff changeset	35 assert(this->is_Java_thread(), "must be JavaThread");
a61af66fc99e Initial load duke parents: diff changeset	36 JavaThread* jt = (JavaThread *)this;
a61af66fc99e Initial load duke parents: diff changeset	37
107 93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	38 // last_Java_frame is always walkable and safe use it if we have it
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	39
0 a61af66fc99e Initial load duke parents: diff changeset	40 if (jt->has_last_Java_frame()) {
a61af66fc99e Initial load duke parents: diff changeset	41 *fr_addr = jt->pd_last_frame();
a61af66fc99e Initial load duke parents: diff changeset	42 return true;
a61af66fc99e Initial load duke parents: diff changeset	43 }
a61af66fc99e Initial load duke parents: diff changeset	44
107 93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	45 ucontext_t* uc = (ucontext_t*) ucontext;
0 a61af66fc99e Initial load duke parents: diff changeset	46
107 93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	47 // We always want to use the initial frame we create from the ucontext as
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	48 // it certainly signals where we currently are. However that frame may not
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	49 // be safe for calling sender. In that case if we have a last_Java_frame
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	50 // then the forte walker will switch to that frame as the virtual sender
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	51 // for the frame we create here which is not sender safe.
0 a61af66fc99e Initial load duke parents: diff changeset	52
107 93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	53 intptr_t* ret_fp;
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	54 intptr_t* ret_sp;
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	55 ExtendedPC addr = os::Solaris::fetch_frame_from_ucontext(this, uc, &ret_sp, &ret_fp);
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	56
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	57 // Something would really have to be screwed up to get a NULL pc
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	58
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	59 if (addr.pc() == NULL ) {
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	60 assert(false, "NULL pc from signal handler!");
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	61 return false;
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	62
0 a61af66fc99e Initial load duke parents: diff changeset	63 }
a61af66fc99e Initial load duke parents: diff changeset	64
107 93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	65 // If sp and fp are nonsense just leave them out
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	66
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	67 if ((address)ret_sp >= jt->stack_base() \|\|
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	68 (address)ret_sp < jt->stack_base() - jt->stack_size() ) {
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	69
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	70 ret_sp = NULL;
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	71 ret_fp = NULL;
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	72 } else {
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	73
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	74 // sp is reasonable is fp reasonable?
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	75 if ( (address)ret_fp >= jt->stack_base() \|\| ret_fp < ret_sp) {
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	76 ret_fp = NULL;
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	77 }
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	78 }
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	79
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	80 frame ret_frame(ret_sp, ret_fp, addr.pc());
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	81
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	82 *fr_addr = ret_frame;
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	83 return true;
93b6525e3b82 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on sgoldman parents: 0 diff changeset	84
0 a61af66fc99e Initial load duke parents: diff changeset	85 }
1681 126ea7725993 6953477: Increase portability and flexibility of building Hotspot bobv parents: 1552 diff changeset	86
126ea7725993 6953477: Increase portability and flexibility of building Hotspot bobv parents: 1552 diff changeset	87 void JavaThread::cache_global_variables() { }
126ea7725993 6953477: Increase portability and flexibility of building Hotspot bobv parents: 1552 diff changeset	88

Mercurial > hg > truffle

annotate src/os_cpu/solaris_x86/vm/thread_solaris_x86.cpp @ 3193:52087773be5b