Martin Michelsen
38 lines
525 B
ArmAsm
38 lines
525 B
ArmAsm
.meta name="Write memory"
|
|
.meta description="Writes data to any location in memory"
|
|
|
|
entry_ptr:
|
|
reloc0:
|
|
.offsetof start
|
|
|
|
start:
|
|
jmp get_block_ptr
|
|
get_block_ptr_ret:
|
|
xchg ebx, [esp]
|
|
mov eax, [ebx]
|
|
mov ecx, [ebx + 4]
|
|
add ebx, 8
|
|
|
|
again:
|
|
test ecx, ecx
|
|
jz done
|
|
mov dl, [ebx]
|
|
mov [eax], dl
|
|
inc ebx
|
|
inc eax
|
|
dec ecx
|
|
jmp again
|
|
|
|
done:
|
|
pop ebx
|
|
ret
|
|
|
|
get_block_ptr:
|
|
call get_block_ptr_ret
|
|
dest_addr:
|
|
.data 0
|
|
size:
|
|
.data 0
|
|
|
|
data_to_write:
|