Re: Prblem with AT&T

[Frederic Marmond <fmarmond@eprocess.fr>]

hi!

how are you today?
;-)

well, with your error code, I think that what i said yesterday was right:
your syntax at

mymsg: 
	.byte 13,10 
	.ascii "Handling BIOS interrupts"

[...]

	movw $mymsg,%bp 

But as I don't know about At&t syntax, here is an example of good syntax

$ cat write.s
.data
hw:
	.string "hello world\n"
.text
.globl main
main:
	movl	$SYS_write,%eax
	movl	$1,%ebx
	movl	$hw,%ecx
	movl	$12,%edx
	int	$0x80
	movl	$SYS_exit,%eax
	xorl	%ebx,%ebx
	int	$0x80
	ret


For At&t / intel syntax, please refer to:
www.linuxassembly.org
or more precisely:
http://www.linuxassembly.org/linasm.html


happy new year!

;-)
Fred


Anticipating a Reply wrote:

>Hi All !
>
>  I have got the below 16 bit code which is 
>in Intel Syntax . 
>
>----------- INTEL SYNTAX CODE ------------------------
>
>entry start 
>
>start: 
>	mov ah,#0x03 ; read cursor position. 
>	xor bh,bh 
>	int 0x10 
>	mov cx,#26 ; length of our beautiful string. 
>	mov bx,#0x0007 ; page 0, attribute 7 (normal) 
>	mov bp,#mymsg 
>	mov ax,#0x1301 ; write string, move cursor 
>	int 0x10 
>	
>	loop1: jmp loop1 
>	
>mymsg: 
>	.byte 13,10 
>	.ascii "Handling BIOS interrupts"
>
>
>---------------------------------------------
>
>I am trying to write to the above code in 
>AT&T format as given below . 
>
> But I get the error in "ld" . 
>
>sect2.o: In function `_start':
>sect2.o(.text+0xd): relocation truncated to fit:
>R_386_16 data
>
>  
>-------------AT&T SYNTAX --------------------
>
>
>.code16
>
>.align 4
>
>.data
>
>mymsg: 
>	.byte 13,10 
>	.ascii "Handling BIOS interrupts"
>
>.text
>
>.globl _start 
>
>_start: 
>	movb $0x03,%ah   # read cursor position. 
>	xor  %bh,%bh
> 
>	int  $0x10 
>
>	movw $24,%cx     # length of our beautiful string. 
>	movw $0x0007,%bx # page 0, attribute 7 (normal) 
>	movw $mymsg,%bp 
>	movw $0x1301,%ax # write string, move cursor 
>
>	int  $0x10 
>	
>loop1: 
>        jmp loop1 
>	
>----------------------------------------------
>
>   Please help me how to resolve this .
>
>Regards 
>
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