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1 ; Copyright (c) 2010 The Chromium Authors. All rights reserved. | |
2 ; Use of this source code is governed by a BSD-style license that can be | |
3 ; found in the LICENSE file. | |
4 ; | |
5 ; Tag the exception handler as an SEH handler in case the executable | |
6 ; is linked with /SAFESEH (which is the default). | |
7 ; | |
8 ; MASM 8.0 inserts an additional leading underscore in front of names | |
9 ; and this is an attempted fix until we understand why. | |
10 ; MASM 10.0 fixed this. | |
11 IF @version LT 800 OR @version GE 1000 | |
12 _ExceptionBarrierHandler PROTO | |
13 .SAFESEH _ExceptionBarrierHandler | |
14 _ExceptionBarrierReportOnlyModuleHandler PROTO | |
15 .SAFESEH _ExceptionBarrierReportOnlyModuleHandler | |
16 _ExceptionBarrierCallCustomHandler PROTO | |
17 .SAFESEH _ExceptionBarrierCallCustomHandler | |
18 ELSE | |
19 ExceptionBarrierHandler PROTO | |
20 .SAFESEH ExceptionBarrierHandler | |
21 ExceptionBarrierReportOnlyModuleHandler PROTO | |
22 .SAFESEH ExceptionBarrierReportOnlyModuleHandler | |
23 ExceptionBarrierCallCustomHandler PROTO | |
24 .SAFESEH ExceptionBarrierCallCustomHandler | |
25 ENDIF | |
26 | |
27 .586 | |
28 .MODEL FLAT, STDCALL | |
29 ASSUME FS:NOTHING | |
30 .CODE | |
31 | |
32 ; extern "C" void WINAPI RegisterExceptionRecord( | |
33 ; EXCEPTION_REGISTRATION *registration, | |
34 ; ExceptionHandlerFunc func); | |
35 RegisterExceptionRecord PROC registration:DWORD, func:DWORD | |
36 OPTION PROLOGUE:None | |
37 OPTION EPILOGUE:None | |
38 mov edx, DWORD PTR [esp + 4] ; edx is registration | |
39 mov eax, DWORD PTR [esp + 8] ; eax is func | |
40 mov DWORD PTR [edx + 4], eax | |
41 mov eax, FS:[0] | |
42 mov DWORD PTR [edx], eax | |
43 mov FS:[0], edx | |
44 ret 8 | |
45 | |
46 RegisterExceptionRecord ENDP | |
47 | |
48 ; extern "C" void UnregisterExceptionRecord( | |
49 ; EXCEPTION_REGISTRATION *registration); | |
50 UnregisterExceptionRecord PROC registration:DWORD | |
51 OPTION PROLOGUE:None | |
52 OPTION EPILOGUE:None | |
53 | |
54 mov edx, DWORD PTR [esp + 4] | |
55 mov eax, [edx] | |
56 mov FS:[0], eax | |
57 ret 4 | |
58 | |
59 UnregisterExceptionRecord ENDP | |
60 | |
61 END | |
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