139 lines
2.1 KiB
NASM
139 lines
2.1 KiB
NASM
|
|
format PE console 4.0
|
|
entry start
|
|
|
|
include 'win32a.inc'
|
|
|
|
section '.data' data readable writeable
|
|
|
|
_usage db 'preprocessed source dumper for flat assembler',0Dh,0Ah
|
|
db 'usage: prepsrc <input> <output>',0Dh,0Ah
|
|
db 0
|
|
_error_prefix db 'error: ',0
|
|
_error_suffix db '.',0Dh,0Ah,0
|
|
|
|
input_file dd 0
|
|
output_file dd 0
|
|
|
|
display_handle dd ?
|
|
bytes_count dd ?
|
|
|
|
params rb 1000h
|
|
|
|
section '.text' code readable executable
|
|
|
|
start:
|
|
|
|
mov [display_handle],STD_OUTPUT_HANDLE
|
|
|
|
call get_params
|
|
jnc make_dump
|
|
|
|
mov esi,_usage
|
|
call display_string
|
|
invoke ExitProcess,2
|
|
|
|
make_dump:
|
|
call preprocessed_source
|
|
invoke ExitProcess,0
|
|
|
|
error:
|
|
mov [display_handle],STD_ERROR_HANDLE
|
|
mov esi,_error_prefix
|
|
call display_string
|
|
pop esi
|
|
call display_string
|
|
mov esi,_error_suffix
|
|
call display_string
|
|
invoke ExitProcess,1
|
|
|
|
get_params:
|
|
invoke GetCommandLine
|
|
mov esi,eax
|
|
mov edi,params
|
|
find_command_start:
|
|
lodsb
|
|
cmp al,20h
|
|
je find_command_start
|
|
cmp al,22h
|
|
je skip_quoted_name
|
|
skip_name:
|
|
lodsb
|
|
cmp al,20h
|
|
je find_param
|
|
or al,al
|
|
jz all_params
|
|
jmp skip_name
|
|
skip_quoted_name:
|
|
lodsb
|
|
cmp al,22h
|
|
je find_param
|
|
or al,al
|
|
jz all_params
|
|
jmp skip_quoted_name
|
|
find_param:
|
|
lodsb
|
|
cmp al,20h
|
|
je find_param
|
|
cmp al,0Dh
|
|
je all_params
|
|
or al,al
|
|
jz all_params
|
|
cmp [input_file],0
|
|
jne get_output_file
|
|
mov [input_file],edi
|
|
jmp process_param
|
|
get_output_file:
|
|
cmp [output_file],0
|
|
jne bad_params
|
|
mov [output_file],edi
|
|
process_param:
|
|
cmp al,22h
|
|
je string_param
|
|
copy_param:
|
|
stosb
|
|
lodsb
|
|
cmp al,20h
|
|
je param_end
|
|
cmp al,0Dh
|
|
je param_end
|
|
or al,al
|
|
jz param_end
|
|
jmp copy_param
|
|
string_param:
|
|
lodsb
|
|
cmp al,22h
|
|
je string_param_end
|
|
cmp al,0Dh
|
|
je param_end
|
|
or al,al
|
|
jz param_end
|
|
stosb
|
|
jmp string_param
|
|
bad_params:
|
|
stc
|
|
ret
|
|
param_end:
|
|
dec esi
|
|
string_param_end:
|
|
xor al,al
|
|
stosb
|
|
jmp find_param
|
|
all_params:
|
|
cmp [input_file],0
|
|
je bad_params
|
|
cmp [output_file],0
|
|
je bad_params
|
|
clc
|
|
ret
|
|
|
|
include 'system.inc'
|
|
|
|
include '..\prepsrc.inc'
|
|
|
|
section '.idata' import data readable writeable
|
|
|
|
library kernel32,'KERNEL32.DLL'
|
|
|
|
include 'api\kernel32.inc'
|