cc2.asm

small c complier 它也Menuet OS的一个附件,同样他也是有汇编实现

MOV EAX,[_output]
PUSH EAX
MOV CL,2
CALL _OS_fputc
ADD ESP,8
_2_166:
MOV EAX,[_line]
PUSH EAX
MOV EAX,[_listfp]
PUSH EAX
MOV CL,2
CALL _fputs
ADD ESP,8
_2_164:
_2_163:
XOR EAX,EAX
PUSH EAX
MOV CL,1
CALL _bump
ADD ESP,4
MOV ESP,EBP
POP EBP
RET

_inbyte:
PUSH EBP
MOV EBP,ESP
_2_169:
MOV EAX,[_ch]
OR EAX,EAX
JE _2_171
JMP _2_170
_2_171:
MOV EAX,[_eof]
OR EAX,EAX
JNE _2_173
JMP _2_172
_2_173:
XOR EAX,EAX
POP EBP
RET
_2_172:
XOR CL,CL
CALL _preproce
JMP _2_169
_2_170:
XOR CL,CL
CALL _gch
POP EBP
RET

_symname:
PUSH EBP
MOV EBP,ESP
ADD ESP,-8
XOR CL,CL
CALL _blanks
MOV EAX,[_ch]
PUSH EAX
MOV CL,1
CALL _alpha
ADD ESP,4
OR EAX,EAX
JE _2_176
JMP _2_175
_2_176:
LEA EAX,[EBP+8]
MOV EBX,EAX
MOV EAX, [EBX]
MOV EBX,EAX
XOR EAX,EAX
MOV [EBX],AL
MOV ESP,EBP
POP EBP
RET
_2_175:
LEA EAX,[EBP-4]
MOV EBX,EAX
XOR EAX,EAX
MOV [EBX],EAX
_2_177:
MOV EAX,[_ch]
PUSH EAX
MOV CL,1
CALL _an
ADD ESP,4
OR EAX,EAX
JNE _2_179
JMP _2_178
_2_179:
LEA EAX,[EBP+8]
MOV EBX,EAX
MOV EAX, [EBX]
PUSH EAX
LEA EAX,[EBP-4]
MOV EBX,EAX
MOV EAX, [EBX]
POP EBX
ADD EAX,EBX
PUSH EAX
XOR CL,CL
CALL _gch
POP EBX
MOV [EBX],AL
LEA EAX,[EBP-4]
MOV EBX,EAX
MOV EAX, [EBX]
MOV EBX,EAX
MOV EAX,8
CALL __lt
OR EAX,EAX
JNE _2_181
JMP _2_180
_2_181:
LEA EAX,[EBP-4]
MOV EBX,EAX
MOV EAX, [EBX]
INC EAX
MOV [EBX],EAX
_2_180:
JMP _2_177
_2_178:
LEA EAX,[EBP+8]
MOV EBX,EAX
MOV EAX, [EBX]
PUSH EAX
LEA EAX,[EBP-4]
MOV EBX,EAX
MOV EAX, [EBX]
POP EBX
ADD EAX,EBX
MOV EBX,EAX
XOR EAX,EAX
MOV [EBX],AL
MOV EAX,1
MOV ESP,EBP
POP EBP
RET

_need:
PUSH EBP
MOV EBP,ESP
LEA EAX,[EBP+8]
MOV EBX,EAX
MOV EAX, [EBX]
PUSH EAX
MOV CL,1
CALL _match
ADD ESP,4
OR EAX,EAX
JE _2_184
JMP _2_183
_2_184:
MOV EAX,_2_182+0
PUSH EAX
MOV CL,1
CALL _error
ADD ESP,4
_2_183:
POP EBP
RET
_2_182 DB 109,105,115,115,105,110,103,32,116,111
 DB 107,101,110,0

_ns:
PUSH EBP
MOV EBP,ESP
MOV EAX,_2_185+0
PUSH EAX
MOV CL,1
CALL _match
ADD ESP,4
OR EAX,EAX
JE _2_187
JMP _2_186
_2_187:
MOV EAX,_2_185+2
PUSH EAX
MOV CL,1
CALL _error
ADD ESP,4
JMP _2_188
_2_186:
XOR EAX,EAX
MOV DWORD [_errflag],EAX
_2_188:
POP EBP
RET
_2_185 DB 59,0,110,111,32,115,101,109,105,99
 DB 111,108,111,110,0

_match:
PUSH EBP
MOV EBP,ESP
ADD ESP,-4
XOR CL,CL
CALL _blanks
LEA EAX,[EBP-4]
PUSH EAX
MOV EAX,[_lptr]
PUSH EAX
LEA EAX,[EBP+8]
MOV EBX,EAX
MOV EAX, [EBX]
PUSH EAX
MOV CL,2
CALL _streq
ADD ESP,8
POP EBX
MOV [EBX],EAX
OR EAX,EAX
JNE _2_191
JMP _2_190
_2_191:
LEA EAX,[EBP-4]
MOV EBX,EAX
MOV EAX, [EBX]
PUSH EAX
MOV CL,1
CALL _bump
ADD ESP,4
MOV EAX,1
MOV ESP,EBP
POP EBP
RET
_2_190:
XOR EAX,EAX
MOV ESP,EBP
POP EBP
RET

_streq:
PUSH EBP
MOV EBP,ESP
ADD ESP,-4
LEA EAX,[EBP-4]
MOV EBX,EAX
XOR EAX,EAX
MOV [EBX],EAX
_2_193:
LEA EAX,[EBP+8]
MOV EBX,EAX
MOV EAX, [EBX]
PUSH EAX
LEA EAX,[EBP-4]
MOV EBX,EAX
MOV EAX, [EBX]
POP EBX
ADD EAX,EBX
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
OR EAX,EAX
JNE _2_195
JMP _2_194
_2_195:
LEA EAX,[EBP+12]
MOV EBX,EAX
MOV EAX, [EBX]
PUSH EAX
LEA EAX,[EBP-4]
MOV EBX,EAX
MOV EAX, [EBX]
POP EBX
ADD EAX,EBX
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
PUSH EAX
LEA EAX,[EBP+8]
MOV EBX,EAX
MOV EAX, [EBX]
PUSH EAX
LEA EAX,[EBP-4]
MOV EBX,EAX
MOV EAX, [EBX]
POP EBX
ADD EAX,EBX
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
POP EBX
CALL __ne
OR EAX,EAX
JNE _2_197
JMP _2_196
_2_197:
XOR EAX,EAX
MOV ESP,EBP
POP EBP
RET
_2_196:
LEA EAX,[EBP-4]
MOV EBX,EAX
MOV EAX, [EBX]
INC EAX
MOV [EBX],EAX
JMP _2_193
_2_194:
LEA EAX,[EBP-4]
MOV EBX,EAX
MOV EAX, [EBX]
MOV ESP,EBP
POP EBP
RET

_amatch:
PUSH EBP
MOV EBP,ESP
ADD ESP,-4
XOR CL,CL
CALL _blanks
LEA EAX,[EBP-4]
PUSH EAX
MOV EAX,[_lptr]
PUSH EAX
LEA EAX,[EBP+12]
MOV EBX,EAX
MOV EAX, [EBX]
PUSH EAX
LEA EAX,[EBP+8]
MOV EBX,EAX
MOV EAX, [EBX]
PUSH EAX
MOV CL,3
CALL _astreq
ADD ESP,12
POP EBX
MOV [EBX],EAX
OR EAX,EAX
JNE _2_200
JMP _2_199
_2_200:
LEA EAX,[EBP-4]
MOV EBX,EAX
MOV EAX, [EBX]
PUSH EAX
MOV CL,1
CALL _bump
ADD ESP,4
MOV EAX,1
MOV ESP,EBP
POP EBP
RET
_2_199:
XOR EAX,EAX
MOV ESP,EBP
POP EBP
RET

_astreq:
PUSH EBP
MOV EBP,ESP
ADD ESP,-4
LEA EAX,[EBP-4]
MOV EBX,EAX
XOR EAX,EAX
MOV [EBX],EAX
_2_202:
LEA EAX,[EBP-4]
MOV EBX,EAX
MOV EAX, [EBX]
PUSH EAX
LEA EAX,[EBP+8]
MOV EBX,EAX
MOV EAX, [EBX]
POP EBX
CALL __lt
OR EAX,EAX
JNE _2_204
JMP _2_203
_2_204:
LEA EAX,[EBP+16]
MOV EBX,EAX
MOV EAX, [EBX]
PUSH EAX
LEA EAX,[EBP-4]
MOV EBX,EAX
MOV EAX, [EBX]
POP EBX
ADD EAX,EBX
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
PUSH EAX
LEA EAX,[EBP+12]
MOV EBX,EAX
MOV EAX, [EBX]
PUSH EAX
LEA EAX,[EBP-4]
MOV EBX,EAX
MOV EAX, [EBX]
POP EBX
ADD EAX,EBX
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
POP EBX
CALL __ne
OR EAX,EAX
JNE _2_206
JMP _2_205
_2_206:
JMP _2_203
_2_205:
LEA EAX,[EBP+12]
MOV EBX,EAX
MOV EAX, [EBX]
PUSH EAX
LEA EAX,[EBP-4]
MOV EBX,EAX
MOV EAX, [EBX]
POP EBX
ADD EAX,EBX
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
MOV EBX,EAX
MOV EAX,32
CALL __lt
OR EAX,EAX
JNE _2_208
JMP _2_207
_2_208:
JMP _2_203
_2_207:
LEA EAX,[EBP+16]
MOV EBX,EAX
MOV EAX, [EBX]
PUSH EAX
LEA EAX,[EBP-4]
MOV EBX,EAX
MOV EAX, [EBX]
POP EBX
ADD EAX,EBX
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
MOV EBX,EAX
MOV EAX,32
CALL __lt
OR EAX,EAX
JNE _2_210
JMP _2_209
_2_210:
JMP _2_203
_2_209:
LEA EAX,[EBP-4]
MOV EBX,EAX
MOV EAX, [EBX]
INC EAX
MOV [EBX],EAX
JMP _2_202
_2_203:
LEA EAX,[EBP+16]
MOV EBX,EAX
MOV EAX, [EBX]
PUSH EAX
LEA EAX,[EBP-4]
MOV EBX,EAX
MOV EAX, [EBX]
POP EBX
ADD EAX,EBX
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
PUSH EAX
MOV CL,1
CALL _an
ADD ESP,4
OR EAX,EAX
JE _2_214
JMP _2_212
_2_214:
LEA EAX,[EBP+12]
MOV EBX,EAX
MOV EAX, [EBX]
PUSH EAX
LEA EAX,[EBP-4]
MOV EBX,EAX
MOV EAX, [EBX]
POP EBX
ADD EAX,EBX
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
PUSH EAX
MOV CL,1
CALL _an
ADD ESP,4
OR EAX,EAX
JE _2_215
JMP _2_212
_2_215:
XOR EAX,EAX
JMP _2_213
_2_212:
MOV EAX,1
_2_213:
OR EAX,EAX
JNE _2_216
JMP _2_211
_2_216:
XOR EAX,EAX
MOV ESP,EBP
POP EBP
RET
_2_211:
LEA EAX,[EBP-4]
MOV EBX,EAX
MOV EAX, [EBX]
MOV ESP,EBP
POP EBP
RET

_nextop:
PUSH EBP
MOV EBP,ESP
ADD ESP,-4
XOR EAX,EAX
MOV DWORD [_opindex],EAX
XOR CL,CL
CALL _blanks
_2_218:
XOR EAX,EAX
MOV DWORD [_opsize],EAX
_2_220:
LEA EAX,[EBP+8]
MOV EBX,EAX
MOV EAX, [EBX]
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
MOV EBX,EAX
MOV EAX,32
CALL __gt
OR EAX,EAX
JNE _2_222
JMP _2_221
_2_222:
LEA EAX,[EBP-4]
PUSH EAX
MOV EAX,[_opsize]
INC EAX
MOV DWORD [_opsize],EAX
DEC EAX
POP EBX
ADD EAX,EBX
PUSH EAX
LEA EAX,[EBP+8]
MOV EBX,EAX
MOV EAX, [EBX]
INC EAX
MOV [EBX],EAX
DEC EAX
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
POP EBX
MOV [EBX],AL
JMP _2_220
_2_221:
LEA EAX,[EBP-4]
PUSH EAX
MOV EAX,[_opsize]
POP EBX
ADD EAX,EBX
MOV EBX,EAX
XOR EAX,EAX
MOV [EBX],AL
MOV EAX,[_lptr]
PUSH EAX
LEA EAX,[EBP-4]
PUSH EAX
MOV CL,2
CALL _streq
ADD ESP,8
MOV DWORD [_opsize],EAX
OR EAX,EAX
JNE _2_224
JMP _2_223
_2_224:
MOV EAX,[_lptr]
PUSH EAX
MOV EAX,[_opsize]
POP EBX
ADD EAX,EBX
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
MOV EBX,EAX
MOV EAX,61
CALL __ne
OR EAX,EAX
JNE _2_228
JMP _2_226
_2_228:
MOV EAX,[_lptr]
PUSH EAX
MOV EAX,[_opsize]
POP EBX
ADD EAX,EBX
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
PUSH EAX
MOV EAX,[_lptr]
PUSH EAX
MOV EAX,[_opsize]
POP EBX
ADD EAX,EBX
MOV EBX,EAX
MOV EAX,1
XCHG EAX,EBX
SUB EAX,EBX
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
POP EBX
CALL __ne
OR EAX,EAX
JNE _2_229
JMP _2_226
_2_229:
MOV EAX,1
JMP _2_227
_2_226:
XOR EAX,EAX
_2_227:
OR EAX,EAX
JNE _2_230
JMP _2_225
_2_230:
MOV EAX,1
MOV ESP,EBP
POP EBP
RET
_2_225:
_2_223:
LEA EAX,[EBP+8]
MOV EBX,EAX
MOV EAX, [EBX]
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
OR EAX,EAX
JNE _2_232
JMP _2_231
_2_232:
LEA EAX,[EBP+8]
MOV EBX,EAX
MOV EAX, [EBX]
INC EAX
MOV [EBX],EAX
MOV EAX,[_opindex]
INC EAX
MOV DWORD [_opindex],EAX
JMP _2_233
_2_231:
XOR EAX,EAX
MOV ESP,EBP
POP EBP
RET
_2_233:
JMP _2_218
_2_219:
MOV ESP,EBP
POP EBP
RET

_blanks:
PUSH EBP
MOV EBP,ESP
_2_235:
_2_237:
MOV EAX,[_ch]
OR EAX,EAX
JNE _2_239
JMP _2_238
_2_239:
XOR CL,CL
CALL _white
OR EAX,EAX
JNE _2_241
JMP _2_240
_2_241:
XOR CL,CL
CALL _gch
JMP _2_242
_2_240:
POP EBP
RET
_2_242:
JMP _2_237
_2_238:
MOV EAX,[_line]
PUSH EAX
MOV EAX,[_mline]
POP EBX
CALL __eq
OR EAX,EAX
JNE _2_244
JMP _2_243
_2_244:
POP EBP
RET
_2_243:
XOR CL,CL
CALL _preproce
MOV EAX,[_eof]
OR EAX,EAX
JNE _2_246
JMP _2_245
_2_246:
JMP _2_236
_2_245:
JMP _2_235
_2_236:
POP EBP
RET

_white:
PUSH EBP
MOV EBP,ESP
MOV EAX,[_lptr]
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
MOV EBX,EAX
MOV EAX,32
CALL __le
OR EAX,EAX
JNE _2_250
JMP _2_248
_2_250:
MOV EAX,[_lptr]
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
OR EAX,EAX
JNE _2_251
JMP _2_248
_2_251:
MOV EAX,1
JMP _2_249
_2_248:
XOR EAX,EAX
_2_249:
POP EBP
RET

_gch:
PUSH EBP
MOV EBP,ESP
ADD ESP,-4
LEA EAX,[EBP-4]
PUSH EAX
MOV EAX,[_ch]
POP EBX
MOV [EBX],EAX
OR EAX,EAX
JNE _2_254
JMP _2_253
_2_254:
MOV EAX,1
PUSH EAX
MOV CL,1
CALL _bump
ADD ESP,4
_2_253:
LEA EAX,[EBP-4]
MOV EBX,EAX
MOV EAX, [EBX]
MOV ESP,EBP
POP EBP
RET

_bump:
PUSH EBP
MOV EBP,ESP
LEA EAX,[EBP+8]
MOV EBX,EAX
MOV EAX, [EBX]
OR EAX,EAX
JNE _2_257
JMP _2_256
_2_257:
MOV EAX,[_lptr]
PUSH EAX
LEA EAX,[EBP+8]
MOV EBX,EAX
MOV EAX, [EBX]
POP EBX
ADD EAX,EBX
MOV DWORD [_lptr],EAX
JMP _2_258
_2_256:
MOV EAX,[_line]
MOV DWORD [_lptr],EAX
_2_258:
MOV EAX,[_lptr]
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
MOV DWORD [_nch],EAX
MOV DWORD [_ch],EAX
OR EAX,EAX
JNE _2_260
JMP _2_259
_2_260:
MOV EAX,[_lptr]
MOV EBX,1
ADD EAX,EBX
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
MOV DWORD [_nch],EAX
_2_259:
POP EBP
RET

_kill:
PUSH EBP
MOV EBP,ESP
MOV EAX,[_line]
MOV EBX,EAX
XOR EAX,EAX
MOV [EBX],AL
XOR EAX,EAX
PUSH EAX
MOV CL,1
CALL _bump
ADD ESP,4
POP EBP
RET

_skip:
PUSH EBP
MOV EBP,ESP
XOR CL,CL
CALL _inbyte
PUSH EAX
MOV CL,1
CALL _an
ADD ESP,4
OR EAX,EAX
JNE _2_264
JMP _2_263
_2_264:
_2_265:
MOV EAX,[_ch]
PUSH EAX
MOV CL,1
CALL _an
ADD ESP,4
OR EAX,EAX
JNE _2_267
JMP _2_266
_2_267:
XOR CL,CL
CALL _gch
JMP _2_265
_2_266:
JMP _2_268
_2_263:
_2_269:
MOV EAX,[_ch]
PUSH EAX
MOV CL,1
CALL _an
ADD ESP,4
OR EAX,EAX
JE _2_271
JMP _2_270
_2_271:
MOV EAX,[_ch]
OR EAX,EAX
JE _2_273
JMP _2_272
_2_273:
JMP _2_270
_2_272:
XOR CL,CL
CALL _gch
JMP _2_269
_2_270:
_2_268:
XOR CL,CL
CALL _blanks
POP EBP
RET

_endst:
PUSH EBP
MOV EBP,ESP
XOR CL,CL
CALL _blanks
MOV EAX,[_lptr]
PUSH EAX
MOV EAX,_2_274+0
PUSH EAX
MOV CL,2
CALL _streq
ADD ESP,8
OR EAX,EAX
JE _2_277
JMP _2_275
_2_277:
MOV EAX,[_ch]
MOV EBX,EAX
XOR EAX,EAX
CALL __eq
OR EAX,EAX
JE _2_278
JMP _2_275
_2_278:
XOR EAX,EAX
JMP _2_276
_2_275:
MOV EAX,1
_2_276:
POP EBP
RET
_2_274 DB 59,0

_addsym:
PUSH EBP
MOV EBP,ESP
LEA EAX,[EBP+12]
MOV EBX,EAX
MOV EAX, [EBX]
PUSH EAX
MOV EAX,_glbptr
POP EBX
CALL __eq
OR EAX,EAX
JNE _2_281
JMP _2_280
_2_281:
LEA EAX,[EBP+32]
MOV EBX,EAX
MOV EAX, [EBX]
PUSH EAX
MOV CL,1
CALL _findglb
ADD ESP,4
MOV DWORD [_cptr2],EAX
OR EAX,EAX
JNE _2_283
JMP _2_282
_2_283:
MOV EAX,[_cptr2]
POP EBP
RET
_2_282:
MOV EAX,[_cptr]
OR EAX,EAX
JE _2_285
JMP _2_284
_2_285:
MOV EAX,_2_279+0
PUSH EAX
MOV CL,1
CALL _error
ADD ESP,4
XOR EAX,EAX
POP EBP
RET
_2_284:
JMP _2_286
_2_280:
MOV EAX,[_locptr]
PUSH EAX
MOV EAX,[_symtab]
MOV EBX,400
ADD EAX,EBX
MOV EBX,EAX
MOV EAX,20
XCHG EAX,EBX
SUB EAX,EBX
POP EBX
CALL __ugt
OR EAX,EAX
JNE _2_288
JMP _2_287
_2_288:
MOV EAX,_2_279+29
PUSH EAX
MOV CL,1
CALL _error
ADD ESP,4
MOV EAX,7
PUSH EAX
MOV CL,1
CALL _OS_exit
ADD ESP,4
_2_287:
LEA EAX,[EBP+12]
MOV EBX,EAX
MOV EAX, [EBX]
MOV EBX,EAX
MOV EAX, [EBX]
MOV DWORD [_cptr],EAX
_2_286:
MOV EAX,[_cptr]
PUSH EAX
LEA EAX,[EBP+28]
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
POP EBX
MOV [EBX],AL
MOV EAX,[_cptr]
MOV EBX,1
ADD EAX,EBX
PUSH EAX
LEA EAX,[EBP+24]
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
POP EBX
MOV [EBX],AL
MOV EAX,[_cptr]
MOV EBX,2
ADD EAX,EBX
PUSH EAX
LEA EAX,[EBP+8]
MOV EBX,EAX
MOV EAX, [EBX]
POP EBX
MOV [EBX],AL
LEA EAX,[EBP+20]
MOV EBX,EAX