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 62
