Mercurial > hg > truffle
annotate src/os_cpu/bsd_x86/vm/thread_bsd_x86.cpp @ 21559:be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Thu, 28 May 2015 15:36:48 +0200 |
| parents | 359f7e70ae7f |
| children |
| rev | line source |
|---|---|
| 3960 | 1 /* |
| 10405 | 2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
| 3960 | 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 | |
| 21 * questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 #include "precompiled.hpp" | |
| 26 #include "runtime/frame.inline.hpp" | |
|
7180
f34d701e952e
8003935: Simplify the needed includes for using Thread::current()
stefank
parents:
3960
diff
changeset
|
27 #include "runtime/thread.inline.hpp" |
| 3960 | 28 |
| 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) { | |
| 10405 | 33 assert(Thread::current() == this, "caller must be current thread"); |
| 34 return pd_get_top_frame(fr_addr, ucontext, isInJava); | |
| 35 } | |
| 3960 | 36 |
| 10405 | 37 bool JavaThread::pd_get_top_frame_for_profiling(frame* fr_addr, void* ucontext, bool isInJava) { |
| 38 return pd_get_top_frame(fr_addr, ucontext, isInJava); | |
| 39 } | |
| 40 | |
| 41 bool JavaThread::pd_get_top_frame(frame* fr_addr, void* ucontext, bool isInJava) { | |
| 3960 | 42 assert(this->is_Java_thread(), "must be JavaThread"); |
| 43 JavaThread* jt = (JavaThread *)this; | |
| 44 | |
| 45 // If we have a last_Java_frame, then we should use it even if | |
| 46 // isInJava == true. It should be more reliable than ucontext info. | |
| 47 if (jt->has_last_Java_frame()) { | |
| 48 *fr_addr = jt->pd_last_frame(); | |
| 49 return true; | |
| 50 } | |
| 51 | |
| 52 // At this point, we don't have a last_Java_frame, so | |
| 53 // we try to glean some information out of the ucontext | |
| 54 // if we were running Java code when SIGPROF came in. | |
| 55 if (isInJava) { | |
| 56 ucontext_t* uc = (ucontext_t*) ucontext; | |
| 57 | |
| 58 intptr_t* ret_fp; | |
| 59 intptr_t* ret_sp; | |
| 60 ExtendedPC addr = os::Bsd::fetch_frame_from_ucontext(this, uc, | |
| 61 &ret_sp, &ret_fp); | |
| 62 if (addr.pc() == NULL || ret_sp == NULL ) { | |
| 63 // ucontext wasn't useful | |
| 64 return false; | |
| 65 } | |
| 66 | |
| 67 frame ret_frame(ret_sp, ret_fp, addr.pc()); | |
| 68 if (!ret_frame.safe_for_sender(jt)) { | |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
69 #if defined(COMPILER2) || defined(JVMCI) |
|
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
70 // C2 and JVMCI use ebp as a general register see if NULL fp helps |
| 3960 | 71 frame ret_frame2(ret_sp, NULL, addr.pc()); |
| 72 if (!ret_frame2.safe_for_sender(jt)) { | |
| 73 // nothing else to try if the frame isn't good | |
| 74 return false; | |
| 75 } | |
| 76 ret_frame = ret_frame2; | |
| 77 #else | |
| 78 // nothing else to try if the frame isn't good | |
| 79 return false; | |
|
21559
be896a1983c0
recast all Graal native code as JVMCI code (JBS:GRAAL-53)
Doug Simon <doug.simon@oracle.com>
parents:
12356
diff
changeset
|
80 #endif /* COMPILER2 || JVMCI*/ |
| 3960 | 81 } |
| 82 *fr_addr = ret_frame; | |
| 83 return true; | |
| 84 } | |
| 85 | |
| 86 // nothing else to try | |
| 87 return false; | |
| 88 } | |
| 89 | |
| 90 void JavaThread::cache_global_variables() { } |