99 lines
1.4 KiB
NASM
99 lines
1.4 KiB
NASM
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format ELF
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public main
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include 'ccall.inc'
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section '.text' executable align 16
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main:
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mov ecx,[esp+4]
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mov [argc],ecx
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mov ebx,[esp+8]
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mov [argv],ebx
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mov [display_handle],1
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call get_params
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jnc make_dump
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mov esi,_usage
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call display_string
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ccall exit,2
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make_dump:
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call symbols
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ccall exit,0
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error:
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mov [display_handle],2
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mov esi,_error_prefix
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call display_string
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pop esi
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call display_string
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mov esi,_error_suffix
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call display_string
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ccall exit,0
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get_params:
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mov ecx,[argc]
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mov ebx,[argv]
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add ebx,4
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dec ecx
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jz bad_params
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get_param:
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mov esi,[ebx]
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mov al,[esi]
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cmp [input_file],0
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jne get_output_file
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mov [input_file],esi
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jmp next_param
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get_output_file:
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cmp [output_file],0
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jne bad_params
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mov [output_file],esi
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jmp next_param
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bad_params:
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stc
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ret
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next_param:
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add ebx,4
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dec ecx
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jnz get_param
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cmp [input_file],0
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je bad_params
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cmp [output_file],0
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je bad_params
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clc
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ret
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include 'system.inc'
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include '..\symbols.inc'
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section '.data' writeable align 4
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input_file dd 0
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output_file dd 0
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_usage db 'symbols dumper for flat assembler',0Dh,0Ah
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db 'usage: symbols <input> <output>',0Dh,0Ah
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db 0
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_error_prefix db 'error: ',0
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_error_suffix db '.',0Dh,0Ah,0
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section '.bss' writeable align 4
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input dd ?
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output_buffer dd ?
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output_handle dd ?
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argc dd ?
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argv dd ?
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display_handle dd ?
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character db ?
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params rb 1000h
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buffer rb 1000h
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