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Re: ELF_DYNAMIC_INTERPRETER

From: Richard Earnshaw <rearnsha at arm dot com>
To: "Manoj Verma, Noida" <manojv at noida dot hcltech dot com>
Cc: crossgcc at sources dot redhat dot com, Richard dot Earnshaw at arm dot com, Phil Blundell <pb at nexus dot co dot uk>, karuottu at mbnet dot fi
Date: Fri, 21 Nov 2003 14:37:58 +0000
Subject: Re: ELF_DYNAMIC_INTERPRETER
Organization: ARM Ltd.
Reply-to: Richard dot Earnshaw at arm dot com

> The problem with this approach is:
> 
> If I give something like:
> 
> $ arm-linux-ld test.o -dynamic-linker=/lib/ld-linux.so.2 -o myout
> 
> and I do: 
> $arm-linux-readelf -l myout 
> 
> i see:
> Program Headers:
>   Type           Offset   VirtAddr   PhysAddr   FileSiz MemSiz  Flg Align
>   PHDR           0x000034 0x00008034 0x00008034 0x000c0 0x000c0 R E 0x4
>   INTERP         0x0000f4 0x000080f4 0x000080f4 0x00013 0x00013 R   0x1
>       [Requesting program interpreter: /c/MinGW/msys/home/lib/ld-linux.so.2]

Something's fishy here.  I suspect readelf is lying to you.  The INTERP 
section is only 19 bytes long (0x13), which is exactly enough to hold the 
string "/lib/ld-linux.so.2\0", but no more.  So I think readelf must be 
appending the additional information.

What does "strings - myout | grep ld-linux " give?

R.


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References:
- RE: ELF_DYNAMIC_INTERPRETER
  - From: Manoj Verma, Noida

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