[arm] Bad instruction error

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ahmadi86

Joined: 04 Aug 2013
Posts: 1

ahmadi86 04 Aug 2013, 13:50

Hi

I want to assemble the following:

---------------------------------------------------------------------
IMPORT _main ; C entrypoint for Steppingstone loader.
AREA |C$$code|, CODE, READONLY
global Start

Start
b _main

DCB "ABCDabcd"
END
---------------------------------------------------------------------

which is part of an example for S3C6410 (ARM1176JZF-S).
but i got bad instruction error.

Cloud you please help me find a solution?
Thanks Smile

04 Aug 2013, 13:50

revolution
When all else fails, read the source

Joined: 24 Aug 2004
Posts: 20299
Location: In your JS exploiting you and your system

revolution 04 Aug 2013, 14:08

I don't know what you intend to link with in your code. But if you are trying to use fasmarm to assemble code you can try with the ELF example.

Code:

        format ELF executable
        entry start

        segment readable executable

start:  mov     r0,0
        add     r1,pc,hello-$-8
        mov     r2,hello_len
        swi     0x900004
        mov     r0,6
        swi     0x900001

hello:  db      'Hello world',10
hello_len=$-hello

        ;dummy section for bss, see http://board.flatassembler.net/topic.php?t=3689
        segment writeable

Or the DWARF example which is also included in the fasmarm download.

04 Aug 2013, 14:08

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