Mercurial > hg > truffle
annotate src/os_cpu/windows_x86/vm/thread_windows_x86.cpp @ 1972:f95d63e2154a
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
| author | stefank |
|---|---|
| date | Tue, 23 Nov 2010 13:22:55 -0800 |
| parents | 126ea7725993 |
| children | f34d701e952e |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1972 | 2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "runtime/frame.inline.hpp" | |
| 27 #include "thread_windows.inline.hpp" | |
| 0 | 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) { | |
| 33 | |
| 34 assert(Thread::current() == this, "caller must be current thread"); | |
| 35 assert(this->is_Java_thread(), "must be JavaThread"); | |
| 36 | |
| 37 JavaThread* jt = (JavaThread *)this; | |
| 38 | |
| 39 // If we have a last_Java_frame, then we should use it even if | |
| 40 // isInJava == true. It should be more reliable than CONTEXT info. | |
| 41 if (jt->has_last_Java_frame()) { | |
| 42 *fr_addr = jt->pd_last_frame(); | |
| 43 return true; | |
| 44 } | |
| 45 | |
| 46 // At this point, we don't have a last_Java_frame, so | |
| 47 // we try to glean some information out of the CONTEXT | |
| 48 // if we were running Java code when SIGPROF came in. | |
| 49 if (isInJava) { | |
| 50 CONTEXT* uc = (CONTEXT*)ucontext; | |
| 51 | |
| 52 #ifdef AMD64 | |
| 53 intptr_t* ret_fp = (intptr_t*) uc->Rbp; | |
| 54 intptr_t* ret_sp = (intptr_t*) uc->Rsp; | |
| 55 ExtendedPC addr = ExtendedPC((address)uc->Rip); | |
| 56 #else | |
| 57 intptr_t* ret_fp = (intptr_t*) uc->Ebp; | |
| 58 intptr_t* ret_sp = (intptr_t*) uc->Esp; | |
| 59 ExtendedPC addr = ExtendedPC((address)uc->Eip); | |
| 60 #endif // AMD64 | |
| 61 if (addr.pc() == NULL || ret_sp == NULL ) { | |
| 62 // CONTEXT wasn't useful | |
| 63 return false; | |
| 64 } | |
| 65 | |
| 66 frame ret_frame(ret_sp, ret_fp, addr.pc()); | |
| 67 if (!ret_frame.safe_for_sender(jt)) { | |
| 68 #ifdef COMPILER2 | |
| 69 // C2 uses ebp as a general register see if NULL fp helps | |
| 70 frame ret_frame2(ret_sp, NULL, addr.pc()); | |
| 71 if (!ret_frame2.safe_for_sender(jt)) { | |
| 72 // nothing else to try if the frame isn't good | |
| 73 return false; | |
| 74 } | |
| 75 ret_frame = ret_frame2; | |
| 76 #else | |
| 77 // nothing else to try if the frame isn't good | |
| 78 return false; | |
| 79 #endif /* COMPILER2 */ | |
| 80 } | |
| 81 *fr_addr = ret_frame; | |
| 82 return true; | |
| 83 } | |
| 84 | |
| 85 // nothing else to try | |
| 86 return false; | |
| 87 } | |
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88 |
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126ea7725993
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bobv
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89 void JavaThread::cache_global_variables() { } |
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6953477: Increase portability and flexibility of building Hotspot
bobv
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90 |