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PATCH: Set e_type to ET_EXEC for -pie -Ttext-segment=0xXXX

From: "H.J. Lu" <hjl dot tools at gmail dot com>
To: Michael Matz <matz at suse dot de>
Cc: "H. Peter Anvin" <hpa at zytor dot com>, Binutils <binutils at sourceware dot org>, Jiri Kosina <jkosina at suse dot cz>, LKML <linux-kernel at vger dot kernel dot org>, Josh Boyer <jwboyer at redhat dot com>
Date: Tue, 10 Dec 2013 11:10:53 -0800
Subject: PATCH: Set e_type to ET_EXEC for -pie -Ttext-segment=0xXXX
Authentication-results: sourceware.org; auth=none

On Tue, Dec 10, 2013 at 5:28 AM, Michael Matz <matz@suse.de> wrote:
> Hi,
>
> On Mon, 9 Dec 2013, H. Peter Anvin wrote:
>
>> Where do the _32 and _32S relocations come from?  Are we mixing multiple
>> things inside -pie?
>
> Without -pie it uses the non-shared (and non-PIE) crt startup files, and
> they expect the (absolute) addresses they care about to fit into 32bit :-/
> You need the shared startup files to put the executable above 4G.
>

Here is the linker patch with testcases.  OK to install?

Thanks.

H.J.
---
bfd/

2013-12-10  H.J. Lu  <hongjiu.lu@intel.com>

    * elf.c (assign_file_positions_except_relocs): Set e_type in ELF
    header to ET_EXEC for -pie -Ttext-segment=.

ld/testsuite/

2013-12-10  H.J. Lu  <hongjiu.lu@intel.com>

    * ld-pie/vaddr-0.d: New file.
    * ld-pie/vaddr-1.d: Likewise.
    * ld-pie/vaddr.s: Likewise.

Attachment: 0001-Use-ET_EXEC-for-pie-Ttext-segment.patch
Description: Text document

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