ld crash...

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DustWolf

Joined: 26 Jan 2006
Posts: 373
Location: Ljubljana, Slovenia

DustWolf 22 Apr 2008, 21:35

Hi,

I've been trying to brush up on my Linux FASM since moving to x86_64 with my workstation PC (Ubuntu).

I have looked into various howtos and have come up with this simple test program:

Code:

format elf executable
entry main

main:
        mov eax,1
        mov ebx,0
        int 80h

And the Makefile to go with it:

Code:

#Makefile for helloWorld

all:
        fasm helloWorld.asm helloWorld.o
        ld -m elf_i386 -o helloWorld helloWorld.o

However "make" ends in disaster:

Quote:

$ make
fasm helloWorld.asm helloWorld.o
flat assembler version 1.67.26 (16384 kilobytes memory)
2 passes, 96 bytes.
ld -m elf_i386 -o helloWorld helloWorld.o
ld: BFD (GNU Binutils for Ubuntu) 2.18 internal error, aborting at ../../bfd/bfd.c line 1607 in bfd_emul_get_maxpagesize

ld: Please report this bug.

make: *** [all] Error 1

Is this an actual bug, or is there some horribly wrong with my simple code?

22 Apr 2008, 21:35

revolution
When all else fails, read the source

Joined: 24 Aug 2004
Posts: 20303
Location: In your JS exploiting you and your system

revolution 23 Apr 2008, 02:35

If you are running x86_64 then I would imagine you need 64bit code in your elf exe.

Code:

format ELF64 executable

And why are you trying to link an executable file? Did you want an object file?

Code:

format ELF64

23 Apr 2008, 02:35

vid
Verbosity in development

Joined: 05 Sep 2003
Posts: 7105
Location: Slovakia

vid 23 Apr 2008, 07:47

Still, it is bug of ld, and you should report it.

23 Apr 2008, 07:47

DustWolf

Joined: 26 Jan 2006
Posts: 373
Location: Ljubljana, Slovenia

DustWolf 23 Apr 2008, 17:17

revolution wrote:

And why are you trying to link an executable file? Did you want an object file?

Good point.

It would seem I was working on improper formats before which produced .o files, then assumed FASM always produces .o files.

Thanks. Smile

23 Apr 2008, 17:17

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