reactos/lib/pseh/i386/framebased.S

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// Copyright (c) 2004/2005 KJK::Hyperion
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to dos so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
.text
.intel_syntax noprefix
.globl __SEHCleanHandlerEnvironment
__SEHCleanHandlerEnvironment:
cld
ret
.globl __SEHCurrentRegistration
__SEHCurrentRegistration:
mov eax, [fs:0]
ret
.globl __SEHRegisterFrame
__SEHRegisterFrame:
mov ecx, [esp+4]
mov eax, [fs:0]
mov [ecx+0], eax
mov [fs:0], ecx
ret
.globl __SEHUnregisterFrame
__SEHUnregisterFrame:
mov ecx, [fs:0]
mov ecx, [ecx+0]
mov [fs:0], ecx
ret
.globl __SEHGlobalUnwind
__SEHGlobalUnwind:
.extern __SEHRtlUnwind
// RtlUnwind clobbers all the "don't clobber" registers, so we save them
push ebx
mov ebx, [esp+8]
push esi
push edi
push 0 // ReturnValue
push 0 // ExceptionRecord
push .RestoreRegisters // TargetIp
push ebx // TargetFrame
call [__SEHRtlUnwind]
.RestoreRegisters:
pop edi
pop esi
pop ebx
ret
// EOF