Mercurial > hg > truffle
annotate src/os_cpu/windows_x86/vm/unwind_windows_x86.hpp @ 1378:9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
Reviewed-by: twisti
author | never |
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date | Thu, 15 Apr 2010 18:14:49 -0700 |
parents | bd02caa94611 |
children | c18cbe5936b8 |
rev | line source |
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0 | 1 /* |
844 | 2 * Copyright 2004-2009 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 | |
26 #ifdef AMD64 | |
27 typedef unsigned char UBYTE; | |
28 | |
29 #define UNW_FLAG_EHANDLER 0x01 | |
30 #define UNW_FLAG_UHANDLER 0x02 | |
31 #define UNW_FLAG_CHAININFO 0x04 | |
32 | |
33 // This structure is used to define an UNWIND_INFO that | |
34 // only has an ExceptionHandler. There are no UnwindCodes | |
35 // declared. | |
36 typedef struct _UNWIND_INFO_EH_ONLY { | |
37 UBYTE Version : 3; | |
38 UBYTE Flags : 5; | |
39 UBYTE SizeOfProlog; | |
40 UBYTE CountOfCodes; | |
41 UBYTE FrameRegister : 4; | |
42 UBYTE FrameOffset : 4; | |
43 union { | |
44 OPTIONAL ULONG ExceptionHandler; | |
45 OPTIONAL ULONG FunctionEntry; | |
46 }; | |
47 OPTIONAL ULONG ExceptionData[1]; | |
48 } UNWIND_INFO_EH_ONLY, *PUNWIND_INFO_EH_ONLY; | |
49 | |
50 | |
51 /* | |
52 typedef struct _RUNTIME_FUNCTION { | |
53 ULONG BeginAddress; | |
54 ULONG EndAddress; | |
55 ULONG UnwindData; | |
56 } RUNTIME_FUNCTION, *PRUNTIME_FUNCTION; | |
57 */ | |
58 | |
59 typedef struct _DISPATCHER_CONTEXT { | |
60 ULONG64 ControlPc; | |
61 ULONG64 ImageBase; | |
62 PRUNTIME_FUNCTION FunctionEntry; | |
63 ULONG64 EstablisherFrame; | |
64 ULONG64 TargetIp; | |
65 PCONTEXT ContextRecord; | |
66 // PEXCEPTION_ROUTINE LanguageHandler; | |
67 char * LanguageHandler; // double dependency problem | |
68 PVOID HandlerData; | |
69 } DISPATCHER_CONTEXT, *PDISPATCHER_CONTEXT; | |
70 | |
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71 #if MSC_VER < 1500 |
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72 |
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73 /* Not needed for VS2008 compiler, comes from winnt.h. */ |
0 | 74 typedef EXCEPTION_DISPOSITION (*PEXCEPTION_ROUTINE) ( |
75 IN PEXCEPTION_RECORD ExceptionRecord, | |
76 IN ULONG64 EstablisherFrame, | |
77 IN OUT PCONTEXT ContextRecord, | |
78 IN OUT PDISPATCHER_CONTEXT DispatcherContext | |
79 ); | |
80 | |
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81 #endif |
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82 |
0 | 83 #endif // AMD64 |