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73 lines
1.9 KiB
ArmAsm
73 lines
1.9 KiB
ArmAsm
/*
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* PROJECT: ReactOS system libraries
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* LICENSE: GNU GPL - See COPYING in the top level directory
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* PURPOSE: Support library for PSEH3
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* PROGRAMMER: Timo Kreuzer (timo.kreuzer@reactos.org)
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*/
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#include "pseh3_asmdef.h"
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.intel_syntax noprefix
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.text
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.extern __SEH3$_except_handler
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/*
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* void
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* _SEH3$_RegisterFrame(
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* PSEH_REGISTRATION_FRAME RegistrationRecord<ecx>,
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* PSEH_DATA_TABLE DataTable<eax>);
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*/
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.global __SEH3$_RegisterFrame
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__SEH3$_RegisterFrame:
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/* Save the address of the static data table */
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mov [ecx + SEH3_REGISTRATION_FRAME_ScopeTable], eax
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/* Set the handler address */
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mov dword ptr [ecx + SEH3_REGISTRATION_FRAME_Handler], offset __SEH3$_except_handler
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/* Set this as the end of the internal chain */
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mov dword ptr [ecx + SEH3_REGISTRATION_FRAME_EndOfChain], ecx
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/* Register the frame in the TEB */
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mov eax, dword ptr fs:[0]
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mov [ecx + SEH3_REGISTRATION_FRAME_Next], eax
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mov dword ptr fs:[0], ecx
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/* Save the registers */
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mov [ecx + SEH3_REGISTRATION_FRAME_Esp], esp
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mov [ecx + SEH3_REGISTRATION_FRAME_Ebp], ebp
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ret
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.global __SEH3$_RegisterTryLevel
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__SEH3$_RegisterTryLevel:
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/* Save the address of the static data table */
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mov [ecx + SEH3_REGISTRATION_FRAME_ScopeTable], eax
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/* Set the handler address to NULL as identification */
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and dword ptr [ecx + SEH3_REGISTRATION_FRAME_Handler], 0
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/* Get the current registered frame */
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mov eax, dword ptr fs:[0]
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/* Get the current end of the chain and set this as Next */
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mov edx, [eax + SEH3_REGISTRATION_FRAME_EndOfChain]
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mov [ecx + SEH3_REGISTRATION_FRAME_Next], edx
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/* Set this as the end of the internal chain */
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mov dword ptr [eax + SEH3_REGISTRATION_FRAME_EndOfChain], ecx
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/* Save the registers */
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mov [ecx + SEH3_REGISTRATION_FRAME_Esp], esp
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mov [ecx + SEH3_REGISTRATION_FRAME_Ebp], ebp
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ret
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