Programación en Ensamblador (de Java): Hola Mundo, Parte 2
Publicado por AltComp126 (1 intervención) el 03/07/2012 00:54:07
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;/*****************************************************************************
;EHLOWorldApp.java
;
; 2012-07-02
;
;
;Demostración inicial de un programa de Java escrito totalmente en ensamblador
;(ensamblador de Java, pero usando NASM para codificar los bytes).
;
;http://devel.no-ip.org/
;
;Este código es de dominio público (sin derechos de autor).
;Puedes hacer lo que desees con él.
;
;
;*****************************************************************************/_CLASS_START:_00000000__magic db 0xCA,0xFE,0xBA,0xBE
_00000004__minor_version dw 0x0000
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_00000141__fields_count: db 0x00,0x00;field_info ------- no fields
_00000143__methods_count: db 0x00,0x02 _00000145__method_info_0001: db 0x00,0x00 ;access_flags db 0x00,0x07 ;name_index db 0x00,0x08 ;descriptor_index db 0x00,0x01 ;attributes_countdb 0x00,0x09 ;code_attribute/attribute_info[0].attribute_name_index
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;INIT: Instructions ;INIT: Instructions ;INIT: Instructions ;INIT: Instructionsdb 0X2A ;aload_0
db 0XB7 ;invokespecial #1
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;END: Instructions ;END: Instructions ;END: Instructions ;END: Instructionsdb 0X00,0X00 ;code_attribute.exception_table_length
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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db 0x00
db 0x02
db 0x12 ;ldc #3
db 0x1D
db 0xB6 ;invokevirtual #4
db 0x00
db 0x04
db 0xB1 ;return
;END: Instructions ;END: Instructions ;END: Instructions ;END: Instructionsdb 0x00,0x00 ;code_attribute.exception_table_length
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db 0x00,0x07 ;line_number_table[0].line_number
db 0x00,0x08 ;line_number_table[1].start_pc
db 0x00,0x08 ;line_number_table[1].line_number
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
f_000001A3__attributes_count db 0x00,0x01 ;attributes_count ;1db 0x00,0x0D ;SourceFile_attribute/attribute_info[0].attribute_name_index
db 0x00,0x00,0x00,0x02 ;SourceFile_attribute/attribute_info[0].attribute_length
db 0x00,0x0E ;SourceFile_attribute.sourcefile_index
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