mirror of
https://github.com/DKJone/DKWechatHelper.git
synced 2025-05-28 06:46:09 +08:00
570 lines
12 KiB
ArmAsm
570 lines
12 KiB
ArmAsm
/*
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* a2a3-selectortramps-i386.s
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* OCMethodTrace
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*
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* https://github.com/omxcodec/OCMethodTrace.git
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*
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* Copyright (C) 2018 Michael Chen <omxcodec@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef __i386__
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#include <mach/mach.h>
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#include "selectortramps.mac"
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.text
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.private_extern __a2a3_selectorTrampHead
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.private_extern __a2a3_firstSelectorTramp
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.private_extern __a2a3_nextSelectorTramp
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.private_extern __a2a3_selectorTrampEnd
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.align PAGE_SHIFT
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__a2a3_selectorTrampHead:
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// 1. selector
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popl %eax
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andl $0xFFFFFFF8, %eax
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subl $ PAGE_SIZE, %eax
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movl (%eax), %ecx // selectorPtr -> ecx
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movl %ecx, 12(%esp) // ecx -> _cmd
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// 2. msgSend
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INIT_PIC(__a2a3_selectorTrampHead)
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PRELOAD(__a2a3_selectorTrampHead, __a2a3_selectorTrampHead)
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subl $ PAGE_SIZE, LABEL_ADDR(__a2a3_selectorTrampHead, __a2a3_selectorTrampHead)
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END_PIC()
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jmp *0(%eax) // tail call msgSend
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.macro TrampolineEntry
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call __a2a3_selectorTrampHead
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nop
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nop
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nop
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.endmacro
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.align 5
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__a2a3_firstSelectorTramp:
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TrampolineEntry
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__a2a3_nextSelectorTramp:
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TrampolineEntry
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TrampolineEntry
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// TrampolineEntry
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// TrampolineEntry
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// TrampolineEntry
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// TrampolineEntry
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__a2a3_selectorTrampEnd:
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#endif
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