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digitalmars.D.bugs - [Issue 6387] New: scanelf (from pax-utils) criticizes dmd generated object files

reply d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=6387

           Summary: scanelf (from pax-utils) criticizes dmd generated
                    object files
           Product: D
           Version: D2
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: trivial
          Priority: P2
         Component: DMD
        AssignedTo: nobody puremagic.com
        ReportedBy: Marco.Leise gmx.de


--- Comment #0 from Marco Leise <Marco.Leise gmx.de> 2011-07-26 18:09:24 PDT ---
Created an attachment (id=1012)
noexecstack patch for dmd compiler

On Gentoo Linux the package manager runs "scanelf" to check for vulnerabilities
and compatibility issues of installed binaries and issues QA warnings.

scanelf -qyAF "%e %p" /usr/lib/libdruntime.a /usr/lib/libphobos2.a

The output of this is what I see on screen when installing dmd from the sources
included in the zip file on the digital mars ftp server.
I discussed this with some people on #gentoo and someone mentioned a missing
».note.GNU-stack« section. That was in fact the key. A gentoo hacker came up
with a simple patch for the dmd backend that makes it emit that section and the
warnings are now gone!
If there are no implications with this it should be the default on GNU Linux (I
think).

A note on ».note.GNU-stack«:
http://en.chys.info/2010/12/note-gnu-stack/

The role of pax-utils in gentoo:
http://www.gentoo.org/proj/en/hardened/pax-utils.xml

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Jul 26 2011
next sibling parent d-bugmail puremagic.com writes:
http://d.puremagic.com/issues/show_bug.cgi?id=6387


Marco Leise <Marco.Leise gmx.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED


--- Comment #1 from Marco Leise <Marco.Leise gmx.de> 2011-08-28 23:41:14 PDT ---
The patch has now been merged into the dmd source on GitHub.

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Aug 28 2011
prev sibling parent d-bugmail puremagic.com writes:
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yebblies <yebblies gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |yebblies gmail.com


--- Comment #2 from yebblies <yebblies gmail.com> 2011-08-30 00:14:03 EST ---
For reference, that is

https://github.com/D-Programming-Language/dmd/pull/276

https://github.com/D-Programming-Language/dmd/commit/2d906bd48ba6ebf0068b9c43f4fe79c8187bbe5f

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Aug 29 2011