Mon, 26 Jun 2017 02:04:40 -0700
8161598: Kitchensink fails: assert(nm->insts_contains(original_pc)) failed: original PC must be in nmethod/CompiledMethod
Reviewed-by: dlong
1 /*
2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
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23 */
25 #include "precompiled.hpp"
26 #include "runtime/frame.inline.hpp"
27 #include "runtime/thread.inline.hpp"
29 // For Forte Analyzer AsyncGetCallTrace profiling support - thread is
30 // currently interrupted by SIGPROF
31 bool JavaThread::pd_get_top_frame_for_signal_handler(frame* fr_addr,
32 void* ucontext, bool isInJava) {
33 assert(Thread::current() == this, "caller must be current thread");
34 return pd_get_top_frame(fr_addr, ucontext, isInJava);
35 }
37 bool JavaThread::pd_get_top_frame_for_profiling(frame* fr_addr,
38 void* ucontext, bool isInJava) {
39 return pd_get_top_frame(fr_addr, ucontext, isInJava);
40 }
42 bool JavaThread::pd_get_top_frame(frame* fr_addr,
43 void* ucontext, bool isInJava) {
44 assert(this->is_Java_thread(), "must be JavaThread");
45 JavaThread* jt = (JavaThread *)this;
47 // There is small window where last_Java_frame is not walkable or safe
48 if (jt->has_last_Java_frame() && jt->frame_anchor()->walkable()) {
49 *fr_addr = jt->pd_last_frame();
50 return true;
51 }
53 ucontext_t* uc = (ucontext_t*) ucontext;
55 // We always want to use the initial frame we create from the ucontext as
56 // it certainly signals where we currently are. However that frame may not
57 // be safe for calling sender. In that case if we have a last_Java_frame
58 // then the forte walker will switch to that frame as the virtual sender
59 // for the frame we create here which is not sender safe.
61 intptr_t* ret_fp;
62 intptr_t* ret_sp;
63 ExtendedPC addr = os::Solaris::fetch_frame_from_ucontext(this, uc, &ret_sp, &ret_fp);
65 // Something would really have to be screwed up to get a NULL pc
67 if (addr.pc() == NULL ) {
68 assert(false, "NULL pc from signal handler!");
69 return false;
71 }
73 // If sp and fp are nonsense just leave them out
75 if ((address)ret_sp >= jt->stack_base() ||
76 (address)ret_sp < jt->stack_base() - jt->stack_size() ) {
78 ret_sp = NULL;
79 ret_fp = NULL;
80 } else {
82 // sp is reasonable is fp reasonable?
83 if ( (address)ret_fp >= jt->stack_base() || ret_fp < ret_sp) {
84 ret_fp = NULL;
85 }
86 }
88 frame ret_frame(ret_sp, ret_fp, addr.pc());
90 *fr_addr = ret_frame;
91 return true;
93 }
95 void JavaThread::cache_global_variables() { }