"Fossies" - the Fresh Open Source Software Archive

Member "fasm/tools/prepsrc.inc" (21 Feb 2022, 1867 Bytes) of package /linux/misc/fasm-1.73.30.tgz:

    1 
    2 preprocessed_source:
    3     mov edx,[input_file]
    4     call    open
    5     jc  input_not_found
    6     mov al,2
    7     xor edx,edx
    8     call    lseek
    9     cmp eax,30h
   10     jb  invalid_input
   11     push    eax
   12     call    alloc
   13     jc  not_enough_memory
   14     push    eax
   15     xor al,al
   16     xor edx,edx
   17     call    lseek
   18     mov ecx,[esp+4]
   19     mov edx,[esp]
   20     call    read
   21     jc  reading_error
   22     pop eax ecx
   23     cmp dword [eax],1A736166h
   24     jne invalid_input
   25     mov esi,[eax+32]
   26     add esi,eax
   27     mov ebp,[eax+36]
   28     add ebp,esi
   29     mov edi,eax
   30     push    eax
   31       preprocessed_to_text:
   32     cmp esi,ebp
   33     jae conversion_done
   34     add esi,16
   35     xor dl,dl
   36       convert_preprocessed_line:
   37     lodsb
   38     cmp al,1Ah
   39     je  copy_symbol
   40     cmp al,22h
   41     je  copy_symbol
   42     cmp al,3Bh
   43     je  preprocessor_symbols
   44     or  al,al
   45     jz  line_converted
   46     stosb
   47     xor dl,dl
   48     jmp convert_preprocessed_line
   49       copy_symbol:
   50     or  dl,dl
   51     jz  space_ok
   52     mov byte [edi],20h
   53     inc edi
   54       space_ok:
   55     cmp al,22h
   56     je  quoted
   57     lodsb
   58     movzx   ecx,al
   59     rep movsb
   60     or  dl,-1
   61     jmp convert_preprocessed_line
   62       quoted:
   63     mov al,27h
   64     stosb
   65     lodsd
   66     mov ecx,eax
   67     jecxz   quoted_copied
   68       copy_quoted:
   69     lodsb
   70     stosb
   71     cmp al,27h
   72     jne quote_ok
   73     stosb
   74       quote_ok:
   75     loop    copy_quoted
   76       quoted_copied:
   77     mov al,27h
   78     stosb
   79     or  dl,-1
   80     jmp convert_preprocessed_line
   81       preprocessor_symbols:
   82     mov al,3Bh
   83     stosb
   84     jmp copy_symbol
   85       line_converted:
   86     mov ax,0A0Dh
   87     stosw
   88     jmp preprocessed_to_text
   89       conversion_done:
   90     mov edx,[output_file]
   91     call    create
   92     jc  writing_error
   93     pop edx
   94     mov ecx,edi
   95     sub ecx,edx
   96     call    write
   97     jc  writing_error
   98     call    close
   99     ret
  100 
  101 not_enough_memory:
  102     call    error
  103     db  'not enough memory to load the required data',0
  104 input_not_found:
  105     call    error
  106     db  'the input file was not found',0
  107 reading_error:
  108     call    error
  109     db  'some error occured while trying to read file',0
  110 writing_error:
  111     call    error
  112     db  'some error occured while trying to write file',0
  113 invalid_input:
  114     call    error
  115     db  'input file is not a recognized assembly information format',0