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Re: Regarding "Inconsistency detected by ld.so" 32 Bit Elf
- From: "Carlos O'Donell" <carlos at redhat dot com>
- To: Karthikeyan Shanmugam <karthikeyan24s at hotmail dot com>
- Cc: "Carlos O'Donell" <carlos at systemhalted dot org>, "libc-help at sourceware dot org" <libc-help at sourceware dot org>
- Date: Wed, 08 May 2013 15:44:42 -0400
- Subject: Re: Regarding "Inconsistency detected by ld.so" 32 Bit Elf
- References: <BLU166-W4365C811BA9EAD5EFFDFDACFB90 at phx dot gbl>,<CAE2sS1jvd97vkPVm+mG=7BBfXX6yYE7POaR75kufrETo40wZkw at mail dot gmail dot com>,<BLU166-W16249AA58CE03F785B384DCFBA0 at phx dot gbl> <BLU166-W3756E8E882E23498AF7DF8CFBA0 at phx dot gbl>,<51896432 dot 9010104 at redhat dot com> <BLU166-W44B5F09CC4E3CFCAE7567CCFBB0 at phx dot gbl>
On 05/08/2013 03:12 PM, Karthikeyan Shanmugam wrote:
>> Please note that a reduced test case is ONE source file, ONE linker
>> script, maybe ONE more source file to build a library with, and
>> some instructions. It has to be simple enough for others on the
>> list to try out and help you with. It would also be good if that
>> test case works on x86-64 so others can help you.
>
> I've one standalone program to reproduce this scenario compiled for
> Power-PC. I'm currently not much familiar with INTEL arch, so will to
> change the program a bit for Intel arch.
>
> In general, I thought similar kind of situation would have faced by
> many others as because we have limited VMA in 32 bit chips to satisfy
> contiguous memory allocations especially like database related
> frameworks.
I know that QEMU has to do something similar. There are probably so
few applications that need to do this that there is no good accepted
standard way to accomplish this.
> 1. Is there any other method to force all libs (including dynamic
> loader) to fall above TASK_UNMAPPED_AREA area instead to be in
> desired/fixed address (except prelink and libtool)?
I know of no other way than prelink.
How do you do this with libtool?
> 2. In prelink tool, is there any auto option to detect-force relocate
> only the non-zero PT_LOAD segment libraries?
I don't know.
Cheers,
Carlos.