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Subject: Re: internal-error: arm_elf_osabi_sniffer
From: Richard Earnshaw <rearnsha@gcc.gnu.org>
To: Nagender Telkar <ntelkar@gmail.com>
Cc: gdb@sources.redhat.com, Monika Chaddha <monika@acmet.com>
In-Reply-To: <3e599100040811134529fd87e3@mail.gmail.com>
References: <007701c47f75$31e13340$5100a8c0@monika>
	 <3e599100040811134529fd87e3@mail.gmail.com>
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Date: Wed, 11 Aug 2004 21:45:00 -0000
X-SW-Source: 2004-08/txt/msg00184.txt.bz2

On Wed, 2004-08-11 at 21:45, Nagender Telkar wrote:
> Hello,
> 
> I am working on gdb 6.0.
> 
> When I do an 
> 
> gdb> arm-elf-gdb helloworld.elf 
> 
> I get the following error.
> 
> ../../insight-6.0.ori/gdb/arm-tdep.c:2747: internal-error: arm_elf_osabi_sniffer
> : Unknown ARM EABI version 0x4000000
> 
You don't say so, but I guess you are compiling your code with ARM's
RVDS compiler...

> I looked into the arm-tdep file in the gdb, it seems to be failing at
> the function
> 
> static enum gdb_osabi arm_elf_osabi_sniffer (bfd *abfd)
> 
> where it gets
> 
> unsgined int elfosabi = elf_elfheader (abfd)->e_ident[EI_OSABI];
> 
> The elfosabi is getting set to ELFOSABI_NONE. 
> 
> Then it tries to get the eflags as 
> 
>  eflags = EF_ARM_EABI_VERSION(elf_elfheader(abfd)->e_flags); 
> 
> eflags is not getting set to EF_ARM_EABI_VER1, EF_ARM_EABI_VER2 or
> EF_ARM_EABI_UNKNOWN.
> 
> I think that is the problem. Thats the reason it gets to the internal error.

Yep.  GDB doesn't understand the EABI yet (even gdb 6.2 -- gdb 6.0
predates the EABI, so has no chance).  Even if it got past this point
you'd run into further problems.

R.