fun.asm

unix环境下实现的cmm语言编译器

section .text
global sum
sum:
push ebx
push edx
push ecx
push esi
push edi
push ebp
mov ebp,esp
mov edi, dword [ebp+28]
mov esi, dword [ebp+32]
mov eax, edi
add eax, esi
jmp L1
L1:
mov esp,ebp
pop ebp
pop edi
pop esi
pop ecx
pop edx
pop ebx
ret
global main
main:
push ebx
push edx
push ecx
push esi
push edi
push ebp
mov ebp,esp
mov edi, 1
mov esi, 2
push esi
push edi
call sum
add esp, 8
sub esp, 4
mov dword [ebp + -4], eax
push esi
push edi
call sum
add esp, 8
push eax
push edi
call sum
add esp, 8
mov ecx, dword [ebp+-4]
mov edx, ecx
add edx, eax
mov ebx, edx
add esp, 4
push ebx
push L3
call printf
add esp, 8
push esi
push edi
call sum
add esp, 8
push eax
push L3
call printf
add esp, 8
mov eax,0
jmp L2
L2:
mov esp,ebp
pop ebp
pop edi
pop esi
pop ecx
pop edx
pop ebx
ret
extern printf
section .data
align 1
L3:
db 115
db 117
db 109
db 32
db 61
db 32
db 37
db 100
db 10
db 0