skeleton.asm

汇编编写DLL的例子

; This is a sample DLL.
; To test, build this dll, and copy Skeleton.lib and Skeleton.dll into
; the application folders "1" and "2".  Load and run one of the two applications.
.386
.model flat,stdcall
option casemap:none

include windows.inc
include user32.inc
include kernel32.inc
includelib user32.lib
includelib kernel32.lib

.data
AppName			db "DLL Skeleton",0
HelloMsg		db "Hello, you're calling a function in this DLL",0
LoadMsg			db "The DLL is loaded",0
UnloadMsg		db "The DLL is unloaded",0
ThreadCreated	db "A thread is created in this process",0
ThreadDestroyed db "A thread is destroyed in this process",0

.code
DllEntry proc hInstance:HINSTANCE, reason:DWORD, reserved1:DWORD
	.if reason==DLL_PROCESS_ATTACH
		invoke MessageBox,NULL,addr LoadMsg,addr AppName,MB_OK
	.elseif reason==DLL_PROCESS_DETACH
		invoke MessageBox,NULL,addr UnloadMsg,addr AppName,MB_OK
	.elseif reason==DLL_THREAD_ATTACH
		invoke MessageBox,NULL,addr ThreadCreated,addr AppName,MB_OK
	.else        ; DLL_THREAD_DETACH
		invoke MessageBox,NULL,addr ThreadDestroyed,addr AppName,MB_OK
	.endif
	mov  eax,TRUE
	ret
DllEntry Endp
TestHello proc
	invoke MessageBox,NULL,addr HelloMsg,addr AppName,MB_OK
	ret	
TestHello endp
End DllEntry