count.asm

unix环境下实现的cmm语言编译器

section .text
global main
main:
push ebx
push edx
push ecx
push esi
push edi
push ebp
mov ebp,esp
sub esp, 48
mov dword  [ebp+-48], 0
mov dword  [ebp+-44], 0
mov edi, 0
jmp L3
L2:
mov ebx, 4
imul ebx, edi
mov edx, ebp
add edx, -40
add ebx, edx
mov dword  [ebx], 0
mov ebx, edi
add ebx, 1
mov edi, ebx
L3:
cmp edi,10
jl near L2
jmp L6
L5:
cmp esi,48
jl near L8
cmp esi,57
jg near L8
mov ebx, esi
sub ebx, 48
mov edx, 4
imul edx, ebx
mov ebx, ebp
add ebx, -40
add edx, ebx
mov ebx, dword [edx]
add ebx, 1
mov dword  [edx], ebx
jmp L6
L8:
cmp esi,32
jne near L12
mov ebx, dword [ebp+-44]
add ebx, 1
mov dword  [ebp+-44], ebx
jmp L6
L12:
cmp esi,10
jne near L14
mov ebx, dword [ebp+-44]
add ebx, 1
mov dword  [ebp+-44], ebx
jmp L6
L14:
cmp esi,9
jne near L16
mov ebx, dword [ebp+-44]
add ebx, 1
mov dword  [ebp+-44], ebx
jmp L6
L16:
mov ebx, dword [ebp+-48]
add ebx, 1
mov dword  [ebp+-48], ebx
L6:
call getchar
add esp, 0
mov esi, eax
cmp eax,-1
jne near L5
push L18
call puts
add esp, 4
mov edi, 0
jmp L20
L19:
mov ebx, 4
imul ebx, edi
mov edx, ebp
add edx, -40
add ebx, edx
mov ebx, dword [ebx]
push ebx
push L22
call printf
add esp, 8
mov ebx, edi
add ebx, 1
mov edi, ebx
L20:
cmp edi,10
jl near L19
mov ebx, dword [ebp+-44]
push ebx
push L23
call printf
add esp, 8
mov ebx, dword [ebp+-48]
push ebx
push L24
call printf
add esp, 8
L1:
mov esp,ebp
pop ebp
pop edi
pop esi
pop ecx
pop edx
pop ebx
ret
extern getchar
extern printf
extern puts
section .data
align 1
L24:
db 44
db 111
db 116
db 104
db 101
db 114
db 32
db 61
db 32
db 37
db 100
db 10
db 0
align 1
L23:
db 44
db 119
db 104
db 105
db 116
db 101
db 32
db 115
db 112
db 97
db 99
db 101
db 32
db 61
db 32
db 37
db 100
db 0
align 1
L22:
db 32
db 37
db 100
db 0
align 1
L18:
db 100
db 105
db 103
db 105
db 116
db 115
db 32
db 61
db 0