Release 版本调试错误--VC
2007-11-16 09:10
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for ( int i = 0; Pos != NULL; i++ )
{
str = Dlg.m_StrList.GetNext(Pos);
m_CtrlMulicList.InsertItem( i, str);
m_CtrlMulicList.SetItemText( i , 1, Dlg.m_strRotateCount );
m_CtrlMulicList.SetItemText( i , 2, Dlg.m_strPlayData+';'+ Dlg.m_strPlayTime );
}
上面的源代码 在调试器中的汇编代码为:
下面的汇编代码明显出现了错误, 整个调试过程遇到的问题也非常奇怪.
Release 模式的反汇编代码为
226: Pos = Dlg.m_StrList.GetHeadPosition() ;
00403AD2 8B 84 24 5C 02 00 00 mov eax,dword ptr [esp+25Ch]
227:
228: for ( int i = 0; Pos != NULL; i++ )
00403AD9 3B C5 cmp eax,ebp
00403ADB 75 69 jne $LN103+0B7h (403B46h)
222: Dlg.DoModal();
223:
224: m_CtrlMulicList.SetRedraw( FALSE );
225:
226: Pos = Dlg.m_StrList.GetHeadPosition() ;
227:
228: for ( int i = 0; Pos != NULL; i++ )
229: {
230: str = Dlg.m_StrList.GetNext(Pos);
231:
232: m_CtrlMulicList.InsertItem( i, str);
233: m_CtrlMulicList.SetItemText( i , 1, Dlg.m_strRotateCount );
234: m_CtrlMulicList.SetItemText( i , 2, Dlg.m_strPlayData+';'+ Dlg.m_strPlayTime );
235: }
236:
237:
238: m_CtrlMulicList.SetRedraw(TRUE);
00403ADD 8B 8E E8 02 00 00 mov ecx,dword ptr [esi+2E8h]
00403AE3 6A 00 push 0
00403AE5 6A 01 push 1
00403AE7 6A 0B push 0Bh
00403AE9 51 push ecx
00403AEA FF 15 44 F5 43 00 call dword ptr [__imp__SendMessageA@16 (43F544h)]
239: }
00403AF0 8D 4C 24 2C lea ecx,[esp+2Ch]
00403AF4 C6 84 24 E0 02 00 00 00 mov byte ptr [esp+2E0h],0
00403AFC E8 3F 08 00 00 call CDlgAddMusic::~CDlgAddMusic (404340h)
00403B01 83 C3 F0 add ebx,0FFFFFFF0h
00403B04 C7 84 24 E0 02 00 00 FF FF FF FF mov dword ptr [esp+2E0h],0FFFFFFFFh
00403B0F 8D 53 0C lea edx,[ebx+0Ch]
00403B12 83 C8 FF or eax,0FFFFFFFFh
00403B15 F0 0F C1 02 lock xadd dword ptr [edx],eax
00403B19 48 dec eax
00403B1A 85 C0 test eax,eax
00403B1C 7F 0A jg $LN103+99h (403B28h)
00403B1E 8B 0B mov ecx,dword ptr [ebx]
00403B20 8B 11 mov edx,dword ptr [ecx]
00403B22 8B 42 04 mov eax,dword ptr [edx+4]
00403B25 53 push ebx
00403B26 FF D0 call eax
00403B28 8B 8C 24 D8 02 00 00 mov ecx,dword ptr [esp+2D8h]
00403B2F 64 89 0D 00 00 00 00 mov dword ptr fs:[0],ecx
00403B36 59 pop ecx
00403B37 5F pop edi
00403B38 5E pop esi
00403B39 5D pop ebp
00403B3A 5B pop ebx
00403B3B 81 C4 D0 02 00 00 add esp,2D0h
00403B41 C3 ret
227:
228: for ( int i = 0; Pos != NULL; i++ )
00403B42 8B 44 24 18 mov eax,dword ptr [esp+18h]
229: {
230: str = Dlg.m_StrList.GetNext(Pos);
00403B46 85 C0 test eax,eax
00403B48 0F 84 3A 01 00 00 je $LN103+1F9h (403C88h)
00403B4E 8B 08 mov ecx,dword ptr [eax]
00403B50 89 4C 24 18 mov dword ptr [esp+18h],ecx
00403B54 8B 48 08 mov ecx,dword ptr [eax+8]
00403B57 8D 41 F0 lea eax,[ecx-10h]
00403B5A 8D 7B F0 lea edi,[ebx-10h]
00403B5D 3B C7 cmp eax,edi
00403B5F 74 51 je $LN103+123h (403BB2h)
00403B61 83 7F 0C 00 cmp dword ptr [edi+0Ch],0
00403B65 8D 5F 0C lea ebx,[edi+0Ch]
00403B68 7C 36 jl $LN103+111h (403BA0h)
00403B6A 8B 10 mov edx,dword ptr [eax]
00403B6C 3B 17 cmp edx,dword ptr [edi]
00403B6E 75 30 jne $LN103+111h (403BA0h)
00403B70 50 push eax
00403B71 E8 EA 03 00 00 call ATL::CSimpleStringT<char,0>::CloneData (403F60h)
00403B76 89 44 24 24 mov dword ptr [esp+24h],eax
00403B7A 83 C4 04 add esp,4
00403B7D 83 C8 FF or eax,0FFFFFFFFh
00403B80 F0 0F C1 03 lock xadd dword ptr [ebx],eax
00403B84 48 dec eax
00403B85 85 C0 test eax,eax
00403B87 7F 0A jg $LN103+104h (403B93h)
00403B89 8B 0F mov ecx,dword ptr [edi]
00403B8B 8B 11 mov edx,dword ptr [ecx]
00403B8D 8B 42 04 mov eax,dword ptr [edx+4]
00403B90 57 push edi
00403B91 FF D0 call eax
00403B93 8B 5C 24 20 mov ebx,dword ptr [esp+20h]
00403B97 83 C3 10 add ebx,10h
00403B9A 89 5C 24 14 mov dword ptr [esp+14h],ebx
00403B9E EB 12 jmp $LN103+123h (403BB2h)
00403BA0 8B 41 F4 mov eax,dword ptr [ecx-0Ch]
00403BA3 50 push eax
00403BA4 51 push ecx
00403BA5 8D 4C 24 1C lea ecx,[esp+1Ch]
00403BA9 E8 A2 04 00 00 call ATL::CSimpleStringT<char,0>::SetString (404050h)
00403BAE 8B 5C 24 14 mov ebx,dword ptr [esp+14h]
216:
217:
218: CString str;
219: POSITION Pos;
220:
221: CDlgAddMusic Dlg;
222: Dlg.DoModal();
223:
224: m_CtrlMulicList.SetRedraw( FALSE );
225:
226: Pos = Dlg.m_StrList.GetHeadPosition() ;
227:
228: for ( int i = 0; Pos != NULL; i++ )
229: {
230: str = Dlg.m_StrList.GetNext(Pos);
231:
232: m_CtrlMulicList.InsertItem( i, str);
00403BB2 6A 00 push 0
00403BB4 6A 00 push 0
00403BB6 6A 00 push 0
00403BB8 6A 00 push 0
00403BBA 53 push ebx
00403BBB 55 push ebp
00403BBC 81 C6 C8 02 00 00 add esi,2C8h
00403BC2 6A 01 push 1
00403BC4 8B CE mov ecx,esi
00403BC6 E8 5A 1F 01 00 call CListCtrl::InsertItem (415B25h)
233: m_CtrlMulicList.SetItemText( i , 1, Dlg.m_strRotateCount );
00403BCB 8B 8C 24 74 02 00 00 mov ecx,dword ptr [esp+274h]
00403BD2 51 push ecx
00403BD3 6A 01 push 1
00403BD5 55 push ebp
00403BD6 8B CE mov ecx,esi
00403BD8 E8 E3 1D 01 00 call CListCtrl::SetItemText (4159C0h)
234: m_CtrlMulicList.SetItemText( i , 2, Dlg.m_strPlayData+';'+ Dlg.m_strPlayTime );
00403BDD 8D 54 24 24 lea edx,[esp+24h]
00403BE1 52 push edx
00403BE2 8D BC 24 80 02 00 00 lea edi,[esp+280h]
00403BE9 E8 E2 01 00 00 call ATL::operator+ (403DD0h)
00403BEE 8D 8C 24 7C 02 00 00 lea ecx,[esp+27Ch]
00403BF5 51 push ecx
00403BF6 50 push eax
00403BF7 8D 54 24 34 lea edx,[esp+34h]
00403BFB 52 push edx
00403BFC C6 84 24 F0 02 00 00 02 mov byte ptr [esp+2F0h],2
00403C04 E8 07 01 00 00 call ATL::operator+ (403D10h)
00403C09 83 C4 10 add esp,10h
00403C0C C6 84 24 E0 02 00 00 03 mov byte ptr [esp+2E0h],3
00403C14 8B 00 mov eax,dword ptr [eax]
00403C16 50 push eax
00403C17 6A 02 push 2
00403C19 55 push ebp
00403C1A 8B CE mov ecx,esi
00403C1C E8 9F 1D 01 00 call CListCtrl::SetItemText (4159C0h)
00403C21 C6 84 24 E0 02 00 00 02 mov byte ptr [esp+2E0h],2
00403C29 8B 44 24 28 mov eax,dword ptr [esp+28h]
00403C2D 83 C0 F0 add eax,0FFFFFFF0h
00403C30 8D 48 0C lea ecx,[eax+0Ch]
00403C33 83 CA FF or edx,0FFFFFFFFh
00403C36 F0 0F C1 11 lock xadd dword ptr [ecx],edx
00403C3A 4A dec edx
00403C3B 85 D2 test edx,edx
00403C3D 7F 0A jg $LN103+1BAh (403C49h)
00403C3F 8B 08 mov ecx,dword ptr [eax]
00403C41 8B 11 mov edx,dword ptr [ecx]
00403C43 50 push eax
00403C44 8B 42 04 mov eax,dword ptr [edx+4]
00403C47 FF D0 call eax
00403C49 C6 84 24 E0 02 00 00 01 mov byte ptr [esp+2E0h],1
00403C51 8B 44 24 24 mov eax,dword ptr [esp+24h]
00403C55 83 C0 F0 add eax,0FFFFFFF0h
00403C58 8D 48 0C lea ecx,[eax+0Ch]
00403C5B 83 CA FF or edx,0FFFFFFFFh
00403C5E F0 0F C1 11 lock xadd dword ptr [ecx],edx
00403C62 4A dec edx
00403C63 85 D2 test edx,edx
00403C65 7F 0A jg $LN103+1E2h (403C71h)
00403C67 8B 08 mov ecx,dword ptr [eax]
00403C69 8B 11 mov edx,dword ptr [ecx]
00403C6B 50 push eax
00403C6C 8B 42 04 mov eax,dword ptr [edx+4]
00403C6F FF D0 call eax
00403C71 8B 74 24 1C mov esi,dword ptr [esp+1Ch]
00403C75 83 C5 01 add ebp,1
00403C78 83 7C 24 18 00 cmp dword ptr [esp+18h],0
00403C7D 0F 85 BF FE FF FF jne $LN103+0B3h (403B42h)
229: {
230: str = Dlg.m_StrList.GetNext(Pos);
00403C83 E9 55 FE FF FF jmp $LN103+4Eh (403ADDh)
00403C88 E9 09 1C 01 00 jmp AfxThrowInvalidArgException (415896h)
Debug 模式的反汇编代码为
下面的汇编代码是在 debug 模式下调试提取， 同样源代码的反汇编代码在 debug 和 release 模式下确实不同。
227:
228: for ( int i = 0; Pos != NULL; i++ )
00505F1B C7 85 14 FD FF FF 00 00 00 00 mov dword ptr [i],0
00505F25 EB 0F jmp CDialogMusicList::OnBnClickedButMusiclistAdd+0A6h (505F36h)
00505F27 8B 85 14 FD FF FF mov eax,dword ptr [i]
00505F2D 83 C0 01 add eax,1
00505F30 89 85 14 FD FF FF mov dword ptr [i],eax
00505F36 83 7D D4 00 cmp dword ptr [ebp-2Ch],0
00505F3A 0F 84 00 01 00 00 je CDialogMusicList::OnBnClickedButMusiclistAdd+1B0h (506040h)
229: {
230: str = Dlg.m_StrList.GetNext(Pos);
00505F40 8D 45 D4 lea eax,[ebp-2Ch]
00505F43 50 push eax
00505F44 8D 8D 4C FF FF FF lea ecx,[ebp-0B4h]
00505F4A E8 74 3A FE FF call CStringList::GetNext (4E99C3h)
00505F4F 50 push eax
00505F50 8D 4D E0 lea ecx,[ebp-20h]
00505F53 E8 9F 33 FE FF call ATL::CStringT<char,StrTraitMFC<char,ATL::ChTraitsCRT<char> > >::operator= (4E92F7h)
231:
232: m_CtrlMulicList.InsertItem( i, str);
00505F58 8D 4D E0 lea ecx,[ebp-20h]
00505F5B E8 C7 76 FE FF call ATL::CSimpleStringT<char,0>::operator char const * (4ED627h)
00505F60 50 push eax
00505F61 8B 85 14 FD FF FF mov eax,dword ptr [i]
00505F67 50 push eax
00505F68 8B 4D EC mov ecx,dword ptr [ebp-14h]
00505F6B 81 C1 C8 02 00 00 add ecx,2C8h
00505F71 E8 89 94 FE FF call CListCtrl::InsertItem (4EF3FFh)
233: m_CtrlMulicList.SetItemText( i , 1, Dlg.m_strRotateCount );
00505F76 8D 8D 68 FF FF FF lea ecx,[ebp-98h]
00505F7C E8 A6 76 FE FF call ATL::CSimpleStringT<char,0>::operator char const * (4ED627h)
00505F81 50 push eax
00505F82 6A 01 push 1
00505F84 8B 85 14 FD FF FF mov eax,dword ptr [i]
00505F8A 50 push eax
00505F8B 8B 4D EC mov ecx,dword ptr [ebp-14h]
00505F8E 81 C1 C8 02 00 00 add ecx,2C8h
00505F94 E8 8C E1 FE FF call CListCtrl::SetItemText (4F4125h)
234: m_CtrlMulicList.SetItemText( i , 2, Dlg.m_strPlayData+';'+ Dlg.m_strPlayTime );
00505F99 8D 85 6C FF FF FF lea eax,[ebp-94h]
00505F9F 50 push eax
00505FA0 6A 3B push 3Bh
00505FA2 8D 8D 70 FF FF FF lea ecx,[ebp-90h]
00505FA8 51 push ecx
00505FA9 8D 95 3C FC FF FF lea edx,[ebp-3C4h]
00505FAF 52 push edx
00505FB0 E8 97 51 FE FF call ATL::operator+ (4EB14Ch)
00505FB5 83 C4 0C add esp,0Ch
00505FB8 89 85 34 FC FF FF mov dword ptr [ebp-3CCh],eax
00505FBE 8B 85 34 FC FF FF mov eax,dword ptr [ebp-3CCh]
00505FC4 89 85 30 FC FF FF mov dword ptr [ebp-3D0h],eax
00505FCA C6 45 FC 02 mov byte ptr [ebp-4],2
00505FCE 8B 8D 30 FC FF FF mov ecx,dword ptr [ebp-3D0h]
00505FD4 51 push ecx
00505FD5 8D 95 48 FC FF FF lea edx,[ebp-3B8h]
00505FDB 52 push edx
00505FDC E8 27 4A FE FF call ATL::operator+ (4EAA08h)
00505FE1 83 C4 0C add esp,0Ch
00505FE4 89 85 2C FC FF FF mov dword ptr [ebp-3D4h],eax
00505FEA 8B 85 2C FC FF FF mov eax,dword ptr [ebp-3D4h]
00505FF0 89 85 28 FC FF FF mov dword ptr [ebp-3D8h],eax
00505FF6 C6 45 FC 03 mov byte ptr [ebp-4],3
00505FFA 8B 8D 28 FC FF FF mov ecx,dword ptr [ebp-3D8h]
00506000 E8 22 76 FE FF call ATL::CSimpleStringT<char,0>::operator char const * (4ED627h)
00506005 50 push eax
00506006 6A 02 push 2
00506008 8B 8D 14 FD FF FF mov ecx,dword ptr [i]
0050600E 51 push ecx
0050600F 8B 4D EC mov ecx,dword ptr [ebp-14h]
00506012 81 C1 C8 02 00 00 add ecx,2C8h
00506018 E8 08 E1 FE FF call CListCtrl::SetItemText (4F4125h)
0050601D C6 45 FC 02 mov byte ptr [ebp-4],2
00506021 8D 8D 48 FC FF FF lea ecx,[ebp-3B8h]
00506027 E8 FE 6D FE FF call ATL::CStringT<char,StrTraitMFC<char,ATL::ChTraitsCRT<char> > >::~CStringT<char,StrTraitMFC<char,ATL::ChTraitsCRT<char> > > (4ECE2Ah)
0050602C C6 45 FC 01 mov byte ptr [ebp-4],1
00506030 8D 8D 3C FC FF FF lea ecx,[ebp-3C4h]
00506036 E8 EF 6D FE FF call ATL::CStringT<char,StrTraitMFC<char,ATL::ChTraitsCRT<char> > >::~CStringT<char,StrTraitMFC<char,ATL::ChTraitsCRT<char> > > (4ECE2Ah)
235: }
0050603B E9 E7 FE FF FF jmp CDialogMusicList::OnBnClickedButMusiclistAdd+97h (505F27h)
236:
237:
238: m_CtrlMulicList.SetRedraw(TRUE);
00506040 6A 01 push 1
00506042 8B 4D EC mov ecx,dword ptr [ebp-14h]
00506045 81 C1 C8 02 00 00 add ecx,2C8h
0050604B E8 33 6F FE FF call CWnd::SetRedraw (4ECF83h)
239: }
这是在 Realse 模式下调试程序 不是在Debug 模式下调试程序.
从上面2种模式的反汇编代码可以看出, debug 模式下每条源代码都有对应的汇编代码且正确, Release 模式却出现了混乱。
可能原因:
(1)里面缺少了调试信息致使调试程序出错
(2) Release 模式下对代码进行了优化，不能和源代码相对应。
我想出错的原因最有可能是 编译器对代码进行了优化 . 使当前源代码后不再有相应的汇编代码.
{
str = Dlg.m_StrList.GetNext(Pos);
m_CtrlMulicList.InsertItem( i, str);
m_CtrlMulicList.SetItemText( i , 1, Dlg.m_strRotateCount );
m_CtrlMulicList.SetItemText( i , 2, Dlg.m_strPlayData+';'+ Dlg.m_strPlayTime );
}
上面的源代码 在调试器中的汇编代码为:
下面的汇编代码明显出现了错误, 整个调试过程遇到的问题也非常奇怪.
Release 模式的反汇编代码为
226: Pos = Dlg.m_StrList.GetHeadPosition() ;
00403AD2 8B 84 24 5C 02 00 00 mov eax,dword ptr [esp+25Ch]
227:
228: for ( int i = 0; Pos != NULL; i++ )
00403AD9 3B C5 cmp eax,ebp
00403ADB 75 69 jne $LN103+0B7h (403B46h)
222: Dlg.DoModal();
223:
224: m_CtrlMulicList.SetRedraw( FALSE );
225:
226: Pos = Dlg.m_StrList.GetHeadPosition() ;
227:
228: for ( int i = 0; Pos != NULL; i++ )
229: {
230: str = Dlg.m_StrList.GetNext(Pos);
231:
232: m_CtrlMulicList.InsertItem( i, str);
233: m_CtrlMulicList.SetItemText( i , 1, Dlg.m_strRotateCount );
234: m_CtrlMulicList.SetItemText( i , 2, Dlg.m_strPlayData+';'+ Dlg.m_strPlayTime );
235: }
236:
237:
238: m_CtrlMulicList.SetRedraw(TRUE);
00403ADD 8B 8E E8 02 00 00 mov ecx,dword ptr [esi+2E8h]
00403AE3 6A 00 push 0
00403AE5 6A 01 push 1
00403AE7 6A 0B push 0Bh
00403AE9 51 push ecx
00403AEA FF 15 44 F5 43 00 call dword ptr [__imp__SendMessageA@16 (43F544h)]
239: }
00403AF0 8D 4C 24 2C lea ecx,[esp+2Ch]
00403AF4 C6 84 24 E0 02 00 00 00 mov byte ptr [esp+2E0h],0
00403AFC E8 3F 08 00 00 call CDlgAddMusic::~CDlgAddMusic (404340h)
00403B01 83 C3 F0 add ebx,0FFFFFFF0h
00403B04 C7 84 24 E0 02 00 00 FF FF FF FF mov dword ptr [esp+2E0h],0FFFFFFFFh
00403B0F 8D 53 0C lea edx,[ebx+0Ch]
00403B12 83 C8 FF or eax,0FFFFFFFFh
00403B15 F0 0F C1 02 lock xadd dword ptr [edx],eax
00403B19 48 dec eax
00403B1A 85 C0 test eax,eax
00403B1C 7F 0A jg $LN103+99h (403B28h)
00403B1E 8B 0B mov ecx,dword ptr [ebx]
00403B20 8B 11 mov edx,dword ptr [ecx]
00403B22 8B 42 04 mov eax,dword ptr [edx+4]
00403B25 53 push ebx
00403B26 FF D0 call eax
00403B28 8B 8C 24 D8 02 00 00 mov ecx,dword ptr [esp+2D8h]
00403B2F 64 89 0D 00 00 00 00 mov dword ptr fs:[0],ecx
00403B36 59 pop ecx
00403B37 5F pop edi
00403B38 5E pop esi
00403B39 5D pop ebp
00403B3A 5B pop ebx
00403B3B 81 C4 D0 02 00 00 add esp,2D0h
00403B41 C3 ret
227:
228: for ( int i = 0; Pos != NULL; i++ )
00403B42 8B 44 24 18 mov eax,dword ptr [esp+18h]
229: {
230: str = Dlg.m_StrList.GetNext(Pos);
00403B46 85 C0 test eax,eax
00403B48 0F 84 3A 01 00 00 je $LN103+1F9h (403C88h)
00403B4E 8B 08 mov ecx,dword ptr [eax]
00403B50 89 4C 24 18 mov dword ptr [esp+18h],ecx
00403B54 8B 48 08 mov ecx,dword ptr [eax+8]
00403B57 8D 41 F0 lea eax,[ecx-10h]
00403B5A 8D 7B F0 lea edi,[ebx-10h]
00403B5D 3B C7 cmp eax,edi
00403B5F 74 51 je $LN103+123h (403BB2h)
00403B61 83 7F 0C 00 cmp dword ptr [edi+0Ch],0
00403B65 8D 5F 0C lea ebx,[edi+0Ch]
00403B68 7C 36 jl $LN103+111h (403BA0h)
00403B6A 8B 10 mov edx,dword ptr [eax]
00403B6C 3B 17 cmp edx,dword ptr [edi]
00403B6E 75 30 jne $LN103+111h (403BA0h)
00403B70 50 push eax
00403B71 E8 EA 03 00 00 call ATL::CSimpleStringT<char,0>::CloneData (403F60h)
00403B76 89 44 24 24 mov dword ptr [esp+24h],eax
00403B7A 83 C4 04 add esp,4
00403B7D 83 C8 FF or eax,0FFFFFFFFh
00403B80 F0 0F C1 03 lock xadd dword ptr [ebx],eax
00403B84 48 dec eax
00403B85 85 C0 test eax,eax
00403B87 7F 0A jg $LN103+104h (403B93h)
00403B89 8B 0F mov ecx,dword ptr [edi]
00403B8B 8B 11 mov edx,dword ptr [ecx]
00403B8D 8B 42 04 mov eax,dword ptr [edx+4]
00403B90 57 push edi
00403B91 FF D0 call eax
00403B93 8B 5C 24 20 mov ebx,dword ptr [esp+20h]
00403B97 83 C3 10 add ebx,10h
00403B9A 89 5C 24 14 mov dword ptr [esp+14h],ebx
00403B9E EB 12 jmp $LN103+123h (403BB2h)
00403BA0 8B 41 F4 mov eax,dword ptr [ecx-0Ch]
00403BA3 50 push eax
00403BA4 51 push ecx
00403BA5 8D 4C 24 1C lea ecx,[esp+1Ch]
00403BA9 E8 A2 04 00 00 call ATL::CSimpleStringT<char,0>::SetString (404050h)
00403BAE 8B 5C 24 14 mov ebx,dword ptr [esp+14h]
216:
217:
218: CString str;
219: POSITION Pos;
220:
221: CDlgAddMusic Dlg;
222: Dlg.DoModal();
223:
224: m_CtrlMulicList.SetRedraw( FALSE );
225:
226: Pos = Dlg.m_StrList.GetHeadPosition() ;
227:
228: for ( int i = 0; Pos != NULL; i++ )
229: {
230: str = Dlg.m_StrList.GetNext(Pos);
231:
232: m_CtrlMulicList.InsertItem( i, str);
00403BB2 6A 00 push 0
00403BB4 6A 00 push 0
00403BB6 6A 00 push 0
00403BB8 6A 00 push 0
00403BBA 53 push ebx
00403BBB 55 push ebp
00403BBC 81 C6 C8 02 00 00 add esi,2C8h
00403BC2 6A 01 push 1
00403BC4 8B CE mov ecx,esi
00403BC6 E8 5A 1F 01 00 call CListCtrl::InsertItem (415B25h)
233: m_CtrlMulicList.SetItemText( i , 1, Dlg.m_strRotateCount );
00403BCB 8B 8C 24 74 02 00 00 mov ecx,dword ptr [esp+274h]
00403BD2 51 push ecx
00403BD3 6A 01 push 1
00403BD5 55 push ebp
00403BD6 8B CE mov ecx,esi
00403BD8 E8 E3 1D 01 00 call CListCtrl::SetItemText (4159C0h)
234: m_CtrlMulicList.SetItemText( i , 2, Dlg.m_strPlayData+';'+ Dlg.m_strPlayTime );
00403BDD 8D 54 24 24 lea edx,[esp+24h]
00403BE1 52 push edx
00403BE2 8D BC 24 80 02 00 00 lea edi,[esp+280h]
00403BE9 E8 E2 01 00 00 call ATL::operator+ (403DD0h)
00403BEE 8D 8C 24 7C 02 00 00 lea ecx,[esp+27Ch]
00403BF5 51 push ecx
00403BF6 50 push eax
00403BF7 8D 54 24 34 lea edx,[esp+34h]
00403BFB 52 push edx
00403BFC C6 84 24 F0 02 00 00 02 mov byte ptr [esp+2F0h],2
00403C04 E8 07 01 00 00 call ATL::operator+ (403D10h)
00403C09 83 C4 10 add esp,10h
00403C0C C6 84 24 E0 02 00 00 03 mov byte ptr [esp+2E0h],3
00403C14 8B 00 mov eax,dword ptr [eax]
00403C16 50 push eax
00403C17 6A 02 push 2
00403C19 55 push ebp
00403C1A 8B CE mov ecx,esi
00403C1C E8 9F 1D 01 00 call CListCtrl::SetItemText (4159C0h)
00403C21 C6 84 24 E0 02 00 00 02 mov byte ptr [esp+2E0h],2
00403C29 8B 44 24 28 mov eax,dword ptr [esp+28h]
00403C2D 83 C0 F0 add eax,0FFFFFFF0h
00403C30 8D 48 0C lea ecx,[eax+0Ch]
00403C33 83 CA FF or edx,0FFFFFFFFh
00403C36 F0 0F C1 11 lock xadd dword ptr [ecx],edx
00403C3A 4A dec edx
00403C3B 85 D2 test edx,edx
00403C3D 7F 0A jg $LN103+1BAh (403C49h)
00403C3F 8B 08 mov ecx,dword ptr [eax]
00403C41 8B 11 mov edx,dword ptr [ecx]
00403C43 50 push eax
00403C44 8B 42 04 mov eax,dword ptr [edx+4]
00403C47 FF D0 call eax
00403C49 C6 84 24 E0 02 00 00 01 mov byte ptr [esp+2E0h],1
00403C51 8B 44 24 24 mov eax,dword ptr [esp+24h]
00403C55 83 C0 F0 add eax,0FFFFFFF0h
00403C58 8D 48 0C lea ecx,[eax+0Ch]
00403C5B 83 CA FF or edx,0FFFFFFFFh
00403C5E F0 0F C1 11 lock xadd dword ptr [ecx],edx
00403C62 4A dec edx
00403C63 85 D2 test edx,edx
00403C65 7F 0A jg $LN103+1E2h (403C71h)
00403C67 8B 08 mov ecx,dword ptr [eax]
00403C69 8B 11 mov edx,dword ptr [ecx]
00403C6B 50 push eax
00403C6C 8B 42 04 mov eax,dword ptr [edx+4]
00403C6F FF D0 call eax
00403C71 8B 74 24 1C mov esi,dword ptr [esp+1Ch]
00403C75 83 C5 01 add ebp,1
00403C78 83 7C 24 18 00 cmp dword ptr [esp+18h],0
00403C7D 0F 85 BF FE FF FF jne $LN103+0B3h (403B42h)
229: {
230: str = Dlg.m_StrList.GetNext(Pos);
00403C83 E9 55 FE FF FF jmp $LN103+4Eh (403ADDh)
00403C88 E9 09 1C 01 00 jmp AfxThrowInvalidArgException (415896h)
Debug 模式的反汇编代码为
下面的汇编代码是在 debug 模式下调试提取， 同样源代码的反汇编代码在 debug 和 release 模式下确实不同。
227:
228: for ( int i = 0; Pos != NULL; i++ )
00505F1B C7 85 14 FD FF FF 00 00 00 00 mov dword ptr [i],0
00505F25 EB 0F jmp CDialogMusicList::OnBnClickedButMusiclistAdd+0A6h (505F36h)
00505F27 8B 85 14 FD FF FF mov eax,dword ptr [i]
00505F2D 83 C0 01 add eax,1
00505F30 89 85 14 FD FF FF mov dword ptr [i],eax
00505F36 83 7D D4 00 cmp dword ptr [ebp-2Ch],0
00505F3A 0F 84 00 01 00 00 je CDialogMusicList::OnBnClickedButMusiclistAdd+1B0h (506040h)
229: {
230: str = Dlg.m_StrList.GetNext(Pos);
00505F40 8D 45 D4 lea eax,[ebp-2Ch]
00505F43 50 push eax
00505F44 8D 8D 4C FF FF FF lea ecx,[ebp-0B4h]
00505F4A E8 74 3A FE FF call CStringList::GetNext (4E99C3h)
00505F4F 50 push eax
00505F50 8D 4D E0 lea ecx,[ebp-20h]
00505F53 E8 9F 33 FE FF call ATL::CStringT<char,StrTraitMFC<char,ATL::ChTraitsCRT<char> > >::operator= (4E92F7h)
231:
232: m_CtrlMulicList.InsertItem( i, str);
00505F58 8D 4D E0 lea ecx,[ebp-20h]
00505F5B E8 C7 76 FE FF call ATL::CSimpleStringT<char,0>::operator char const * (4ED627h)
00505F60 50 push eax
00505F61 8B 85 14 FD FF FF mov eax,dword ptr [i]
00505F67 50 push eax
00505F68 8B 4D EC mov ecx,dword ptr [ebp-14h]
00505F6B 81 C1 C8 02 00 00 add ecx,2C8h
00505F71 E8 89 94 FE FF call CListCtrl::InsertItem (4EF3FFh)
233: m_CtrlMulicList.SetItemText( i , 1, Dlg.m_strRotateCount );
00505F76 8D 8D 68 FF FF FF lea ecx,[ebp-98h]
00505F7C E8 A6 76 FE FF call ATL::CSimpleStringT<char,0>::operator char const * (4ED627h)
00505F81 50 push eax
00505F82 6A 01 push 1
00505F84 8B 85 14 FD FF FF mov eax,dword ptr [i]
00505F8A 50 push eax
00505F8B 8B 4D EC mov ecx,dword ptr [ebp-14h]
00505F8E 81 C1 C8 02 00 00 add ecx,2C8h
00505F94 E8 8C E1 FE FF call CListCtrl::SetItemText (4F4125h)
234: m_CtrlMulicList.SetItemText( i , 2, Dlg.m_strPlayData+';'+ Dlg.m_strPlayTime );
00505F99 8D 85 6C FF FF FF lea eax,[ebp-94h]
00505F9F 50 push eax
00505FA0 6A 3B push 3Bh
00505FA2 8D 8D 70 FF FF FF lea ecx,[ebp-90h]
00505FA8 51 push ecx
00505FA9 8D 95 3C FC FF FF lea edx,[ebp-3C4h]
00505FAF 52 push edx
00505FB0 E8 97 51 FE FF call ATL::operator+ (4EB14Ch)
00505FB5 83 C4 0C add esp,0Ch
00505FB8 89 85 34 FC FF FF mov dword ptr [ebp-3CCh],eax
00505FBE 8B 85 34 FC FF FF mov eax,dword ptr [ebp-3CCh]
00505FC4 89 85 30 FC FF FF mov dword ptr [ebp-3D0h],eax
00505FCA C6 45 FC 02 mov byte ptr [ebp-4],2
00505FCE 8B 8D 30 FC FF FF mov ecx,dword ptr [ebp-3D0h]
00505FD4 51 push ecx
00505FD5 8D 95 48 FC FF FF lea edx,[ebp-3B8h]
00505FDB 52 push edx
00505FDC E8 27 4A FE FF call ATL::operator+ (4EAA08h)
00505FE1 83 C4 0C add esp,0Ch
00505FE4 89 85 2C FC FF FF mov dword ptr [ebp-3D4h],eax
00505FEA 8B 85 2C FC FF FF mov eax,dword ptr [ebp-3D4h]
00505FF0 89 85 28 FC FF FF mov dword ptr [ebp-3D8h],eax
00505FF6 C6 45 FC 03 mov byte ptr [ebp-4],3
00505FFA 8B 8D 28 FC FF FF mov ecx,dword ptr [ebp-3D8h]
00506000 E8 22 76 FE FF call ATL::CSimpleStringT<char,0>::operator char const * (4ED627h)
00506005 50 push eax
00506006 6A 02 push 2
00506008 8B 8D 14 FD FF FF mov ecx,dword ptr [i]
0050600E 51 push ecx
0050600F 8B 4D EC mov ecx,dword ptr [ebp-14h]
00506012 81 C1 C8 02 00 00 add ecx,2C8h
00506018 E8 08 E1 FE FF call CListCtrl::SetItemText (4F4125h)
0050601D C6 45 FC 02 mov byte ptr [ebp-4],2
00506021 8D 8D 48 FC FF FF lea ecx,[ebp-3B8h]
00506027 E8 FE 6D FE FF call ATL::CStringT<char,StrTraitMFC<char,ATL::ChTraitsCRT<char> > >::~CStringT<char,StrTraitMFC<char,ATL::ChTraitsCRT<char> > > (4ECE2Ah)
0050602C C6 45 FC 01 mov byte ptr [ebp-4],1
00506030 8D 8D 3C FC FF FF lea ecx,[ebp-3C4h]
00506036 E8 EF 6D FE FF call ATL::CStringT<char,StrTraitMFC<char,ATL::ChTraitsCRT<char> > >::~CStringT<char,StrTraitMFC<char,ATL::ChTraitsCRT<char> > > (4ECE2Ah)
235: }
0050603B E9 E7 FE FF FF jmp CDialogMusicList::OnBnClickedButMusiclistAdd+97h (505F27h)
236:
237:
238: m_CtrlMulicList.SetRedraw(TRUE);
00506040 6A 01 push 1
00506042 8B 4D EC mov ecx,dword ptr [ebp-14h]
00506045 81 C1 C8 02 00 00 add ecx,2C8h
0050604B E8 33 6F FE FF call CWnd::SetRedraw (4ECF83h)
239: }
这是在 Realse 模式下调试程序 不是在Debug 模式下调试程序.
从上面2种模式的反汇编代码可以看出, debug 模式下每条源代码都有对应的汇编代码且正确, Release 模式却出现了混乱。
可能原因:
(1)里面缺少了调试信息致使调试程序出错
(2) Release 模式下对代码进行了优化，不能和源代码相对应。
我想出错的原因最有可能是 编译器对代码进行了优化 . 使当前源代码后不再有相应的汇编代码.
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