Mercurial > hg > truffle
annotate src/os_cpu/solaris_x86/vm/thread_solaris_x86.cpp @ 585:22e09c0f4b47
6808589: Merge vm_version_x86_{32,64}.{cpp,hpp}
Summary: There is very much duplicated code in vm_version_x86_{32,64}.{cpp,hpp}. Refactoring these would help maintainability.
Reviewed-by: kvn, never
author | twisti |
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date | Mon, 23 Feb 2009 12:02:30 -0800 |
parents | d1605aabd0a1 |
children | c18cbe5936b8 |
rev | line source |
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0 | 1 /* |
196 | 2 * Copyright 2003-2008 Sun Microsystems, Inc. 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 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 #include "incls/_precompiled.incl" | |
26 #include "incls/_thread_solaris_x86.cpp.incl" | |
27 | |
28 // For Forte Analyzer AsyncGetCallTrace profiling support - thread is | |
29 // currently interrupted by SIGPROF | |
30 bool JavaThread::pd_get_top_frame_for_signal_handler(frame* fr_addr, | |
31 void* ucontext, bool isInJava) { | |
32 | |
33 assert(Thread::current() == this, "caller must be current thread"); | |
34 assert(this->is_Java_thread(), "must be JavaThread"); | |
35 JavaThread* jt = (JavaThread *)this; | |
36 | |
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37 // last_Java_frame is always walkable and safe use it if we have it |
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38 |
0 | 39 if (jt->has_last_Java_frame()) { |
40 *fr_addr = jt->pd_last_frame(); | |
41 return true; | |
42 } | |
43 | |
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44 ucontext_t* uc = (ucontext_t*) ucontext; |
0 | 45 |
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46 // We always want to use the initial frame we create from the ucontext as |
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47 // it certainly signals where we currently are. However that frame may not |
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48 // be safe for calling sender. In that case if we have a last_Java_frame |
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49 // then the forte walker will switch to that frame as the virtual sender |
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50 // for the frame we create here which is not sender safe. |
0 | 51 |
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52 intptr_t* ret_fp; |
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53 intptr_t* ret_sp; |
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54 ExtendedPC addr = os::Solaris::fetch_frame_from_ucontext(this, uc, &ret_sp, &ret_fp); |
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55 |
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56 // Something would really have to be screwed up to get a NULL pc |
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57 |
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58 if (addr.pc() == NULL ) { |
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59 assert(false, "NULL pc from signal handler!"); |
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60 return false; |
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61 |
0 | 62 } |
63 | |
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64 // If sp and fp are nonsense just leave them out |
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65 |
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66 if ((address)ret_sp >= jt->stack_base() || |
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67 (address)ret_sp < jt->stack_base() - jt->stack_size() ) { |
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68 |
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69 ret_sp = NULL; |
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70 ret_fp = NULL; |
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71 } else { |
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72 |
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73 // sp is reasonable is fp reasonable? |
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74 if ( (address)ret_fp >= jt->stack_base() || ret_fp < ret_sp) { |
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75 ret_fp = NULL; |
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76 } |
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77 } |
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78 |
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79 frame ret_frame(ret_sp, ret_fp, addr.pc()); |
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80 |
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81 *fr_addr = ret_frame; |
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82 return true; |
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83 |
0 | 84 } |