我试图设置SEH而不使用try除外
(这是为了我个人的知识,更好地了解SEH如何工作)
(这是为了我个人的知识,更好地了解SEH如何工作)
以下代码不起作用
type TSeh = packed record OldSeh:DWORD; NewSeh:DWORD; end; procedure test; begin WriteLn('Hello from seh'); end; var eu:TSeh; old_seh:DWORD; begin asm mov eax,fs:[0] mov old_seh,eax end; eu.OldSeh := old_seh; eu.NewSeh := DWORD(@test); asm mov eax,offset eu mov fs:[0],eax ret //This will cause an exception because jumps on an invalid memory address end; end.
但是这样做
procedure test; begin WriteLn('Hello from seh'); end; begin asm push offset test push fs:[0] mov fs:[0],esp ret //This will cause an exception because jumps on an invalid memory address end; end.