Re: Position-independent linker script symbols

["Luke Trowbridge" <ltrowbridge at electrodata dot com>]

Thank you very much Ian!

Luke


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From: "Ian Lance Taylor" <iant@google.com>
Sent: Wednesday, July 14, 2010 6:43 AM
To: "Luke Trowbridge" <ltrowbridge@electrodata.com>
Cc: <gcc-help@gcc.gnu.org>
Subject: Re: Position-independent linker script symbols

> "Luke Trowbridge" <ltrowbridge@electrodata.com> writes:
>
> > The following code is produced:
> > a0000000 <main>:
> > a0000000: e59f300c  ldr r3, [pc, #12] ; a0000014 <__rodata_start__+0x14>
> > a0000004: e08f3003  add r3, pc, r3
> > a0000008: e59f2008  ldr r2, [pc, #8] ; a0000018 <__rodata_start__+0x18>
> > a000000c: e7930002  ldr r0, [r3, r2]
> > a0000010: e12fff1e  bx lr
> > a0000014: 00000010  .word 0x00000010
> > a0000018: 00000000  .word 0x00000000
> >
> > As I understand, this will return 0, instead of the expected
> > 0xA0000000.
>
> Are you looking at the final linked executable?  I would expect there to
> be a relocation on the address at 0xa000018.  If it is fully linked,
> look at the dynamic relocations.
>
> Ian