-
-
Notifications
You must be signed in to change notification settings - Fork 15
/
Copy pathmemory.asm
47 lines (32 loc) · 1.29 KB
/
memory.asm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
malloc proto :DWORD
free proto :DWORD
.code
;:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
; malloc
;:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
malloc proc dwBytes:DWORD
; allocates dwBytes from current process's heap
; and returns pointer to allocated memory block.
; HeapAlloc(GetProcessHeap(), 0, dwBytes)
option PROLOGUE:NONE
option EPILOGUE:NONE
invoke GetProcessHeap
invoke HeapAlloc, eax, 0, [esp+4]
ret (sizeof DWORD)
option PROLOGUE:PROLOGUEDEF
option EPILOGUE:EPILOGUEDEF
malloc endp
;:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
; free
;:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
free proc lpMem:DWORD
; frees memory block allocated from current process's heap
; HeapFree(GetProcessHead(), 0, lpMem)
option PROLOGUE:NONE
option EPILOGUE:NONE
invoke GetProcessHeap
invoke HeapFree, eax, 0, [esp+4]
ret (sizeof DWORD)
option PROLOGUE:PROLOGUEDEF
option EPILOGUE:EPILOGUEDEF
free endp